Assembly Diffs

linux arm

Diffs are based on 2,230,531 contexts (825,130 MinOpts, 1,405,401 FullOpts).

MISSED contexts: 77,526 (3.36%)

Overall (+107,040 bytes)

Collection Base size (bytes) Diff size (bytes)
benchmarks.run.linux.arm.checked.mch 15,058,218 +3,186
benchmarks.run_pgo.linux.arm.checked.mch 63,288,040 +6,114
benchmarks.run_tiered.linux.arm.checked.mch 17,396,558 +2,988
coreclr_tests.run.linux.arm.checked.mch 321,408,536 +18,464
libraries.crossgen2.linux.arm.checked.mch 36,764,136 +606
libraries.pmi.linux.arm.checked.mch 48,744,412 +12,712
libraries_tests.run.linux.arm.Release.mch 244,971,224 +46,576
librariestestsnotieredcompilation.run.linux.arm.Release.mch 93,398,640 +13,030
realworld.run.linux.arm.checked.mch 13,306,794 +3,364

FullOpts (+107,040 bytes)

Collection Base size (bytes) Diff size (bytes)
benchmarks.run.linux.arm.checked.mch 14,674,752 +3,186
benchmarks.run_pgo.linux.arm.checked.mch 51,640,226 +6,114
benchmarks.run_tiered.linux.arm.checked.mch 10,204,256 +2,988
coreclr_tests.run.linux.arm.checked.mch 108,689,074 +18,464
libraries.crossgen2.linux.arm.checked.mch 36,762,906 +606
libraries.pmi.linux.arm.checked.mch 48,637,908 +12,712
libraries_tests.run.linux.arm.Release.mch 122,627,896 +46,576
librariestestsnotieredcompilation.run.linux.arm.Release.mch 83,314,838 +13,030
realworld.run.linux.arm.checked.mch 12,857,108 +3,364

Example diffs

benchmarks.run.linux.arm.checked.mch

-20 (-6.45%) : 7118.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts) 

@@ -17,13 +17,13 @@
 ;  V07 tmp2         [V07,T09] (  4,  2   )     ref  ->   lr         "field V03.Cert (fldOffset=0x0)" P-INDEP
 ;  V08 tmp3         [V08,T10] (  4,  2   )     ref  ->  [sp+0x00]  "field V03.Key (fldOffset=0x4)" P-INDEP
 ;  V09 tmp4         [V09,T05] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
-;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r0         "index expr"
+;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r4         "index expr"
 ;  V11 tmp6         [V11,T06] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
 ;* V12 tmp7         [V12,T13] (  0,  0   )     int  ->  zero-ref    "index expr"
 ;  V13 tmp8         [V13,T15] (  2,  0   )     ref  ->   r1         single-def "argument with side effect"
 ;  V14 cse0         [V14,T11] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
 ;  V15 cse1         [V15,T12] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
-;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r0         "CSE - aggressive"
+;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r4         "CSE - aggressive"
 ;  V17 cse3         [V17,T08] (  3,  3   )     int  ->   r0         "CSE - aggressive"
 ;
 ; Lcl frame size = 12
@@ -42,57 +42,57 @@ G_M3164_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0002 {r1}, byr
             ; gcrRegs -[r0]
             cmp     r0, 0
             ble     SHORT G_M3164_IG11
-            subs    r0, r0, 1
-            mov     r3, r0
+            subs    r4, r0, 1
+            mov     r3, r4
             cmp     r3, 0
             blt     SHORT G_M3164_IG06
             cmp     r2, 0
             beq     SHORT G_M3164_IG05
-            ldr     lr, [r2+0x04]
-            cmp     lr, r3
+            ldr     r0, [r2+0x04]
+            cmp     r0, r3
             ble     SHORT G_M3164_IG05
-                     ;; size=28 bbWeight=1 PerfScore 13.00
+                     ;; size=26 bbWeight=1 PerfScore 13.00
 G_M3164_IG03:        ; bbWeight=3.96, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG03
-                       ;; size=26 bbWeight=3.96 PerfScore 35.64
-G_M3164_IG04:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
+                      ;; size=18 bbWeight=3.96 PerfScore 35.64
+G_M3164_IG04:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
+            ; gcrRegs -[r0]
             b       SHORT G_M3164_IG06
-                        ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M3164_IG05:        ; bbWeight=0.04, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ldr     lr, [r2+0x04]
-            cmp     r3, lr
+            ldr     r0, [r2+0x04]
+            cmp     r3, r0
             bhs     SHORT G_M3164_IG10
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG05
-                       ;; size=34 bbWeight=0.04 PerfScore 0.48
+                       ;; size=24 bbWeight=0.04 PerfScore 0.48
 G_M3164_IG06:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
-            ldr     r3, [r2+0x04]
-            cmp     r0, r3
+            ; gcrRegs -[r0]
+            ldr     r0, [r2+0x04]
+            cmp     r4, r0
             bhs     SHORT G_M3164_IG10
-            lsls    r0, r0, 3
+            lsls    r0, r4, 3
             adds    r0, 8
             adds    r0, r2, r0
             ; byrRegs +[r0]
@@ -228,7 +228,7 @@ G_M3164_IG11:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             bkpt    
                        ;; size=62 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 310, prolog size 10, PerfScore 80.12, instruction count 116, allocated bytes for code 310 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
+; Total bytes of code 290, prolog size 10, PerfScore 79.62, instruction count 116, allocated bytes for code 290 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -240,7 +240,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 155 (0x0009b) Actual length = 310 (0x000136)
+  Function Length   : 145 (0x00091) Actual length = 290 (0x000122)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

-30 (-5.77%) : 3423.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int 

@@ -15,15 +15,15 @@
 ;  V04 loc0         [V04,T14] (  4,  3   )     int  ->  [sp+0x04]  spill-single-def
 ;  V05 loc1         [V05,T13] (  8,  4   )     int  ->   r8        
 ;  V06 loc2         [V06,T07] ( 13,  8.68)     ref  ->   r9         class-hnd single-def <int[]>
-;  V07 loc3         [V07,T10] (  4,  5   )     int  ->   r0        
+;  V07 loc3         [V07,T10] (  4,  5   )     int  ->  r10        
 ;  V08 loc4         [V08,T19] (  3,  1.50)     ref  ->   r4         class-hnd single-def <int[]>
 ;* V09 loc5         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Span`1[int]>
-;  V10 loc6         [V10,T04] (  6, 18.50)     int  ->   r1        
+;  V10 loc6         [V10,T04] (  6, 18.50)     int  ->   r3        
 ;* V11 loc7         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <System.String>
-;  V12 loc8         [V12,T03] (  6, 20   )     int  ->  [sp+0x00]  spill-single-def
+;  V12 loc8         [V12,T03] (  6, 20   )     int  ->   r0        
 ;  V13 loc9         [V13,T02] (  7, 32   )     int  ->  r12        
-;  V14 loc10        [V14,T00] ( 12, 74.16)     int  ->   r5        
-;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  r10        
+;  V14 loc10        [V14,T00] ( 12, 74.16)     int  ->   r2        
+;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->   r1        
 ;# V16 OutArgs      [V16    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V17 tmp1         [V17    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[int]>
 ;* V18 tmp2         [V18    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
@@ -39,9 +39,9 @@
 ;  V28 tmp12        [V28,T17] (  2,  2   )     ref  ->   r0         single-def "argument with side effect"
 ;  V29 tmp13        [V29,T18] (  2,  2   )     ref  ->   r0         single-def "argument with side effect"
 ;* V30 cse0         [V30,T22] (  0,  0   )     int  ->  zero-ref    "CSE - moderate"
-;  V31 cse1         [V31,T05] (  3, 16.50)   byref  ->   r3         hoist "CSE - aggressive"
+;  V31 cse1         [V31,T05] (  3, 16.50)   byref  ->   lr         hoist "CSE - aggressive"
 ;  V32 cse2         [V32,T08] (  4,  6.50)     int  ->   r7         "CSE - aggressive"
-;  V33 cse3         [V33,T12] (  2,  4.50)   byref  ->   r2         hoist "CSE - moderate"
+;  V33 cse3         [V33,T12] (  2,  4.50)   byref  ->   r5         hoist "CSE - moderate"
 ;
 ; Lcl frame size = 12
 
@@ -65,7 +65,7 @@ G_M57321_IG02:        ; bbWeight=1, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, byre
             blx     r3     // CORINFO_HELP_DIV
             ; gcr arg pop 0
             cmp     r0, 5
-            bgt     G_M57321_IG19
+            bgt     G_M57321_IG17
                         ;; size=28 bbWeight=1 PerfScore 11.00
 G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, byref, isz
             movs    r0, 5
@@ -73,7 +73,7 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, b
             movw    r0, 0xd1ff
             movt    r0, 0xd1ff
             cmp     r8, r0
-            bgt     G_M57321_IG19
+            bgt     G_M57321_IG17
             movw    r0, 0xd1ff
             movt    r0, 0xd1ff
             movs    r1, 34
@@ -97,7 +97,7 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, b
             cmp     r9, 0
             bne     SHORT G_M57321_IG04
             cmp     r8, 0
-            bne     G_M57321_IG24
+            bne     G_M57321_IG22
             movs    r0, 0
             ; gcrRegs -[r0]
             movs    r1, 0
@@ -107,7 +107,7 @@ G_M57321_IG04:        ; bbWeight=0.50, gcrefRegs=0220 {r5 r9}, byrefRegs=0000 {}
             ldr     r0, [r9+0x04]
             ldr     r1, [r9+0x04]
             cmp     r1, r8
-            blo     G_M57321_IG24
+            blo     G_M57321_IG22
             add     r0, r9, 8
             ; byrRegs +[r0]
             mov     r1, r8
@@ -120,100 +120,92 @@ G_M57321_IG05:        ; bbWeight=0.50, gcrefRegs=0220 {r5 r9}, byrefRegs=0001 {r
             blx     r3     // <unknown method>
             ; byrRegs -[r0]
             ; gcr arg pop 0
-            movs    r0, 0
-            movs    r1, 0
+            mov     r10, 0
+            movs    r3, 0
             cmp     r7, 0
-            ble     SHORT G_M57321_IG17
-            add     r2, r5, 8
-            ; byrRegs +[r2]
-            add     r3, r9, 8
-            ; byrRegs +[r3]
-                       ;; size=32 bbWeight=0.50 PerfScore 5.50
-G_M57321_IG06:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
+            ble     SHORT G_M57321_IG15
+            adds    r5, 8
             ; gcrRegs -[r5]
-            lsl     lr, r1, 2
-            ldr     lr, [r2+lr]
-            ; gcrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs -[lr]
-            sub     lr, lr, r4
-            mov     r12, 5
-            mul     lr, lr, r12
-            str     lr, [sp]
-            add     r12, lr, 5
-            mov     r5, lr
-            cmp     lr, r12
-            bge     SHORT G_M57321_IG16
-                       ;; size=38 bbWeight=4 PerfScore 44.00
-G_M57321_IG07:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
+            ; byrRegs +[r5]
+            add     lr, r9, 8
+            ; byrRegs +[lr]
+                       ;; size=32 bbWeight=0.50 PerfScore 5.50
+G_M57321_IG06:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            lsls    r0, r3, 2
+            ldr     r0, [r5+r0]
+            ; gcrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs -[r0]
+            subs    r0, r0, r4
+            movs    r1, 5
+            mul     r0, r0, r1
+            add     r12, r0, 5
+            mov     r2, r0
+            cmp     r0, r12
+            bge     SHORT G_M57321_IG14
+                       ;; size=24 bbWeight=4 PerfScore 40.00
+G_M57321_IG07:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
             cmp     r9, 0
             beq     SHORT G_M57321_IG10
-            orrs    r10, lr, r12
-            cmp     r10, 0
+            orrs    r1, r0, r12
+            cmp     r1, 0
             blt     SHORT G_M57321_IG10
-            ldr     r10, [r9+0x04]
-            cmp     r10, r12
+            ldr     r1, [r9+0x04]
+            cmp     r1, r12
             blt     SHORT G_M57321_IG10
-                       ;; size=24 bbWeight=2 PerfScore 16.00
-G_M57321_IG08:        ; bbWeight=15.84, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            lsl     r10, r5, 2
-            add     r10, r3
-            ; byrRegs +[r10]
-            ldr     r6, [r10]
+                        ;; size=22 bbWeight=2 PerfScore 16.00
+G_M57321_IG08:        ; bbWeight=15.84, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            lsls    r1, r2, 2
+            add     r1, lr
+            ; byrRegs +[r1]
+            ldr     r6, [r1]
             cmp     r6, 0
-            blt     SHORT G_M57321_IG14
-            adds    r5, r5, 1
-            cmp     r5, r12
+            blt     SHORT G_M57321_IG12
+            adds    r2, r2, 1
+            cmp     r2, r12
             blt     SHORT G_M57321_IG08
-                       ;; size=20 bbWeight=15.84 PerfScore 126.72
-G_M57321_IG09:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ; byrRegs -[r10]
-            b       SHORT G_M57321_IG16
-                       ;; size=2 bbWeight=2 PerfScore 2.00
-G_M57321_IG10:        ; bbWeight=0.02, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref
-            ldr     r10, [r9+0x04]
+                       ;; size=16 bbWeight=15.84 PerfScore 126.72
+G_M57321_IG09:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            ; byrRegs -[r1]
+            b       SHORT G_M57321_IG14
+                       ;; size=2 bbWeight=4 PerfScore 4.00
+G_M57321_IG10:        ; bbWeight=0.02, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref
+            ldr     r1, [r9+0x04]
                       ;; size=4 bbWeight=0.02 PerfScore 0.02
-G_M57321_IG11:        ; bbWeight=0.16, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ldr     r10, [r9+0x04]
-            cmp     r5, r10
-            bhs     SHORT G_M57321_IG23
-            lsl     r10, r5, 2
-            add     r10, r3
-            ; byrRegs +[r10]
-            ldr     lr, [r10]
-            cmp     lr, 0
-            blt     SHORT G_M57321_IG13
-            adds    r5, r5, 1
-            cmp     r5, r12
+G_M57321_IG11:        ; bbWeight=0.16, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            ldr     r1, [r9+0x04]
+            cmp     r2, r1
+            bhs     SHORT G_M57321_IG21
+            lsls    r1, r2, 2
+            add     r1, lr
+            ; byrRegs +[r1]
+            ldr     r6, [r1]
+            cmp     r6, 0
+            blt     SHORT G_M57321_IG12
+            adds    r2, r2, 1
+            cmp     r2, r12
             blt     SHORT G_M57321_IG11
-                       ;; size=30 bbWeight=0.16 PerfScore 1.76
-G_M57321_IG12:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ; byrRegs -[r10]
-            b       SHORT G_M57321_IG16
+            b       SHORT G_M57321_IG14
+                       ;; size=26 bbWeight=0.16 PerfScore 1.92
+G_M57321_IG12:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=4022 {r1 r5 lr}, byref, isz
+            cmp     r2, r0
+            bne     SHORT G_M57321_IG13
+            add     r10, r10, 1
+                       ;; size=8 bbWeight=2 PerfScore 6.00
+G_M57321_IG13:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=4022 {r1 r5 lr}, byref
+            str     r3, [r1]
                        ;; size=2 bbWeight=2 PerfScore 2.00
-G_M57321_IG13:        ; bbWeight=0.08, gcrefRegs=0200 {r9}, byrefRegs=040C {r2 r3 r10}, byref
-            ; byrRegs +[r10]
-            ldr     lr, [sp]   // [V12 loc8]
-                       ;; size=4 bbWeight=0.08 PerfScore 0.08
-G_M57321_IG14:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=040C {r2 r3 r10}, byref, isz
-            cmp     r5, lr
-            bne     SHORT G_M57321_IG15
-            adds    r0, r0, 1
-                       ;; size=6 bbWeight=2 PerfScore 6.00
-G_M57321_IG15:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=040C {r2 r3 r10}, byref
-            str     r1, [r10]
-                       ;; size=4 bbWeight=2 PerfScore 2.00
-G_M57321_IG16:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ; byrRegs -[r10]
-            cmp     r5, r12
-            beq     SHORT G_M57321_IG18
-            adds    r1, r1, 1
-            cmp     r7, r1
+G_M57321_IG14:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            ; byrRegs -[r1]
+            cmp     r2, r12
+            beq     SHORT G_M57321_IG16
+            adds    r3, r3, 1
+            cmp     r7, r3
             bgt     SHORT G_M57321_IG06
                        ;; size=10 bbWeight=4 PerfScore 20.00
-G_M57321_IG17:        ; bbWeight=0.50, gcrefRegs=0200 {r9}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r2-r3]
-            vmov.i2f s8, r0
+G_M57321_IG15:        ; bbWeight=0.50, gcrefRegs=0200 {r9}, byrefRegs=0000 {}, byref, isz
+            ; byrRegs -[r5 lr]
+            vmov.i2f s8, r10
             vcvt.i2d d4, s8
             ldr     r6, [sp+0x04]  // [V04 loc0]
             vmov.i2f s10, r6
@@ -226,9 +218,9 @@ G_M57321_IG17:        ; bbWeight=0.50, gcrefRegs=0200 {r9}, byrefRegs=0000 {}, b
             vmov.i2d d5, r0, r1
             vcmp    d4, d5
             vmrs    APSR, FPSCR
-            bhs     SHORT G_M57321_IG21
+            bhs     SHORT G_M57321_IG19
                       ;; size=52 bbWeight=0.50 PerfScore 7.00
...

-12 (-4.62%) : 34065.dasm - Benchstone.BenchI.XposMatrix:Test():ubyte:this (FullOpts) 

@@ -10,18 +10,18 @@
 ;  V00 this         [V00,T06] (  3,  3   )     ref  ->   r0         this class-hnd single-def <Benchstone.BenchI.XposMatrix>
 ;  V01 loc0         [V01,T07] (  7,  4.58)     ref  ->   r0         class-hnd single-def <int[][]>
 ;* V02 loc1         [V02,T11] (  0,  0   )     int  ->  zero-ref    single-def
-;  V03 loc2         [V03,T03] ( 12, 19.04)     int  ->   r1        
-;  V04 loc3         [V04,T00] ( 16, 68.32)     int  ->   r2        
+;  V03 loc2         [V03,T03] ( 12, 19.04)     int  ->   r4        
+;  V04 loc3         [V04,T00] ( 16, 68.32)     int  ->   r1        
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V06 tmp1         [V06,T01] (  8, 64.64)     ref  ->  registers   "arr expr"
 ;  V07 tmp2         [V07,T05] (  3,  6   )     ref  ->   r1         single-def "arr expr"
 ;  V08 tmp3         [V08,T10] (  3,  3   )     ref  ->   r0         single-def "arr expr"
-;  V09 cse0         [V09,T12] (  2,  0.20)     ref  ->   lr         hoist "CSE - conservative"
-;  V10 cse1         [V10,T02] (  6, 21.80)     ref  ->  r12         hoist multi-def "CSE - aggressive"
-;  V11 cse2         [V11,T08] (  7,  4.58)   byref  ->   r4         hoist multi-def "CSE - aggressive"
-;  V12 cse3         [V12,T09] (  4,  4.00)     int  ->   lr         hoist multi-def "CSE - aggressive"
-;  V13 cse4         [V13,T04] (  6,  7.04)     int  ->   r3         hoist multi-def "CSE - aggressive"
-;  V14 cse5         [V14,T13] (  2,  0.08)     int  ->   lr         hoist "CSE - conservative"
+;  V09 cse0         [V09,T12] (  2,  0.20)     ref  ->   r3         hoist "CSE - conservative"
+;  V10 cse1         [V10,T02] (  6, 21.80)     ref  ->   r2         hoist multi-def "CSE - aggressive"
+;  V11 cse2         [V11,T08] (  7,  4.58)   byref  ->   r6         hoist multi-def "CSE - aggressive"
+;  V12 cse3         [V12,T09] (  4,  4.00)     int  ->   r3         hoist multi-def "CSE - aggressive"
+;  V13 cse4         [V13,T04] (  6,  7.04)     int  ->   r5         hoist multi-def "CSE - aggressive"
+;  V14 cse5         [V14,T13] (  2,  0.08)     int  ->   r3         hoist "CSE - conservative"
 ;
 ; Lcl frame size = 4
 
@@ -32,119 +32,119 @@ G_M49643_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M49643_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r0]
             ldr     r0, [r0+0x04]
-            movs    r1, 1
+            movs    r4, 1
             cmp     r0, 0
             beq     SHORT G_M49643_IG11
-            ldr     r3, [r0+0x04]
-            cmp     r3, 100
+            ldr     r5, [r0+0x04]
+            cmp     r5, 100
             ble     SHORT G_M49643_IG11
-            add     r4, r0, 8
-            ; byrRegs +[r4]
+            add     r6, r0, 8
+            ; byrRegs +[r6]
                         ;; size=18 bbWeight=1 PerfScore 8.00
-G_M49643_IG03:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            movs    r2, 1
-            cmp     r3, r1
+G_M49643_IG03:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            movs    r1, 1
+            cmp     r5, r4
             bls     SHORT G_M49643_IG07
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
-G_M49643_IG04:        ; bbWeight=1.98, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            lsl     lr, r1, 2
-            ldr     r12, [r4+lr]
-            ; gcrRegs +[r12]
-            cmp     r12, 0
+G_M49643_IG04:        ; bbWeight=1.98, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            lsls    r3, r4, 2
+            ldr     r2, [r6+r3]
+            ; gcrRegs +[r2]
+            cmp     r2, 0
             beq     SHORT G_M49643_IG07
-            ldr     lr, [r12+0x04]
-            cmp     lr, 100
+            ldr     r3, [r2+0x04]
+            cmp     r3, 100
             ble     SHORT G_M49643_IG07
-                       ;; size=24 bbWeight=1.98 PerfScore 13.86
-G_M49643_IG05:        ; bbWeight=15.68, gcrefRegs=1001 {r0 r12}, byrefRegs=0010 {r4}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r5, r2, 2
-            movs    r6, 1
-            str     r6, [lr+r5]
-            adds    r2, r2, 1
-            cmp     r2, 100
-            ble     SHORT G_M49643_IG05
-                       ;; size=20 bbWeight=15.68 PerfScore 125.45
-G_M49643_IG06:        ; bbWeight=1.98, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
-            b       SHORT G_M49643_IG09
-                       ;; size=2 bbWeight=1.98 PerfScore 1.98
-G_M49643_IG07:        ; bbWeight=0.02, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref
+                       ;; size=14 bbWeight=1.98 PerfScore 13.86
+G_M49643_IG05:        ; bbWeight=15.68, gcrefRegs=0005 {r0 r2}, byrefRegs=0040 {r6}, byref, isz
+            mov     r3, r2
+            ; gcrRegs +[r3]
+            adds    r3, 8
+            ; gcrRegs -[r3]
+            ; byrRegs +[r3]
             lsl     lr, r1, 2
-            ldr     r12, [r4+lr]
-            ; gcrRegs +[r12]
-                       ;; size=8 bbWeight=0.02 PerfScore 0.04
-G_M49643_IG08:        ; bbWeight=0.16, gcrefRegs=1001 {r0 r12}, byrefRegs=0010 {r4}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            ldr     r5, [lr+0x04]
-            cmp     r2, r5
-            bhs     SHORT G_M49643_IG19
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r5, r2, 2
-            movs    r6, 1
-            str     r6, [lr+r5]
-            adds    r2, r2, 1
-            cmp     r2, 100
-            ble     SHORT G_M49643_IG08
-                       ;; size=28 bbWeight=0.16 PerfScore 1.74
-G_M49643_IG09:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
+            mov     r12, 1
+            str     r12, [r3+lr]
             adds    r1, r1, 1
             cmp     r1, 100
+            ble     SHORT G_M49643_IG05
+                       ;; size=22 bbWeight=15.68 PerfScore 125.45
+G_M49643_IG06:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r3]
+            b       SHORT G_M49643_IG09
+                       ;; size=2 bbWeight=3.96 PerfScore 3.96
+G_M49643_IG07:        ; bbWeight=0.02, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref
+            lsls    r3, r4, 2
+            ldr     r2, [r6+r3]
+            ; gcrRegs +[r2]
+                       ;; size=4 bbWeight=0.02 PerfScore 0.04
+G_M49643_IG08:        ; bbWeight=0.16, gcrefRegs=0005 {r0 r2}, byrefRegs=0040 {r6}, byref, isz
+            mov     r3, r2
+            ; gcrRegs +[r3]
+            ldr     lr, [r3+0x04]
+            cmp     r1, lr
+            bhs     SHORT G_M49643_IG19
+            adds    r3, 8
+            ; gcrRegs -[r3]
+            ; byrRegs +[r3]
+            lsl     lr, r1, 2
+            mov     r12, 1
+            str     r12, [r3+lr]
+            adds    r1, r1, 1
+            cmp     r1, 100
+            ble     SHORT G_M49643_IG08
+                       ;; size=30 bbWeight=0.16 PerfScore 1.74
+G_M49643_IG09:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r3]
+            adds    r4, r4, 1
+            cmp     r4, 100
             ble     SHORT G_M49643_IG03
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
-G_M49643_IG10:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
+G_M49643_IG10:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
             b       SHORT G_M49643_IG14
                        ;; size=2 bbWeight=1 PerfScore 1.00
 G_M49643_IG11:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r4]
-            movs    r2, 1
-            ldr     r3, [r0+0x04]
-            add     r4, r0, 8
-            ; byrRegs +[r4]
+            ; byrRegs -[r6]
+            movs    r1, 1
+            ldr     r5, [r0+0x04]
+            add     r6, r0, 8
+            ; byrRegs +[r6]
+            lsls    r3, r4, 2
+            cmp     r4, r5
+            bhs     SHORT G_M49643_IG19
+            ldr     r3, [r6+r3]
+            ; gcrRegs +[r3]
+                       ;; size=16 bbWeight=0.04 PerfScore 0.28
+G_M49643_IG12:        ; bbWeight=0.16, gcrefRegs=0009 {r0 r3}, byrefRegs=0040 {r6}, byref, isz
+            mov     r2, r3
+            ; gcrRegs +[r2]
+            ldr     lr, [r2+0x04]
+            cmp     r1, lr
+            bhs     SHORT G_M49643_IG19
+            adds    r2, 8
+            ; gcrRegs -[r2]
+            ; byrRegs +[r2]
             lsl     lr, r1, 2
-            cmp     r1, r3
-            bhs     SHORT G_M49643_IG19
-            ldr     lr, [r4+lr]
-            ; gcrRegs +[lr]
-                       ;; size=20 bbWeight=0.04 PerfScore 0.28
-G_M49643_IG12:        ; bbWeight=0.16, gcrefRegs=4001 {r0 lr}, byrefRegs=0010 {r4}, byref, isz
-            mov     r12, lr
-            ; gcrRegs +[r12]
-            ldr     r5, [r12+0x04]
-            cmp     r2, r5
-            bhs     SHORT G_M49643_IG19
-            add     r12, r12, 8
-            ; gcrRegs -[r12]
-            ; byrRegs +[r12]
-            lsls    r5, r2, 2
-            movs    r6, 1
-            str     r6, [r12+r5]
-            adds    r2, r2, 1
-            cmp     r2, 100
-            ble     SHORT G_M49643_IG12
-                       ;; size=28 bbWeight=0.16 PerfScore 1.76
-G_M49643_IG13:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            ; gcrRegs -[lr]
-            ; byrRegs -[r12]
+            mov     r12, 1
+            str     r12, [r2+lr]
             adds    r1, r1, 1
             cmp     r1, 100
+            ble     SHORT G_M49643_IG12
+                       ;; size=30 bbWeight=0.16 PerfScore 1.76
+G_M49643_IG13:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            ; gcrRegs -[r3]
+            ; byrRegs -[r2]
+            adds    r4, r4, 1
+            cmp     r4, 100
             ble     SHORT G_M49643_IG11
                        ;; size=6 bbWeight=0.04 PerfScore 0.12
-G_M49643_IG14:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
+G_M49643_IG14:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
             movs    r1, 100
-            cmp     r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M49643_IG19
-            ldr     r1, [r4+0x190]
+            ldr     r1, [r6+0x190]
             ; gcrRegs +[r1]
             movs    r3, 100
             ldr     r2, [r1+0x04]
@@ -157,15 +157,15 @@ G_M49643_IG14:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, by
                        ;; size=26 bbWeight=1 PerfScore 11.00
 G_M49643_IG15:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             ; gcrRegs -[r0]
-            ; byrRegs -[r4]
+            ; byrRegs -[r6]
             movs    r0, 0
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M49643_IG16:        ; bbWeight=0.50, epilog, nogc, extend
             pop     {r3,r4,r5,r6,r11,pc}
                        ;; size=4 bbWeight=0.50 PerfScore 0.50
-G_M49643_IG17:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
+G_M49643_IG17:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, gcvars, byref, isz
...

+20 (+50.00%) : 3408.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Canon,System.Canon]]):this (FullOpts) 

@@ -16,13 +16,13 @@
 ;* V05 tmp2         [V05    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r0         single-def "V02.[000..004)"
-;* V09 cse0         [V09,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V10 rat0         [V10,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r3         single-def "V02.[000..004)"
+;  V09 cse0         [V09,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V10 rat0         [V10,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V11 rat1         [V11,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V12 rat2         [V12,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V12 rat2         [V12,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V13 rat3         [V13,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V14 rat4         [V14,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V14 rat4         [V14,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -36,19 +36,31 @@ G_M20412_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M20412_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x18]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x0C]
+            cmp     r3, 0
+            ldr     r3, [sp+0x18]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x10]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M20412_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -56,7 +68,7 @@ G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (FullOpts)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -68,7 +80,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+20 (+50.00%) : 16768.dasm - System.Collections.Immutable.ImmutableHashSet1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts) 

@@ -17,13 +17,13 @@
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V08 tmp5         [V08    ] (  0,  0   )     ref  ->  zero-ref    "field V02._firstValue (fldOffset=0x0)" P-INDEP
-;  V09 tmp6         [V09,T06] (  3,  2.50)     ref  ->   r0         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
-;* V10 cse0         [V10,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V11 rat0         [V11,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V09 tmp6         [V09,T06] (  3,  2.50)     ref  ->   r3         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
+;  V10 cse0         [V10,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V11 rat0         [V11,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V12 rat1         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat2         [V13,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat2         [V13,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V14 rat3         [V14,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V15 rat4         [V15,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V15 rat4         [V15,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -37,19 +37,31 @@ G_M10050_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M10050_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x1C]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x08]
+            cmp     r3, 0
+            ldr     r3, [sp+0x1C]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x0C]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M10050_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M10050_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -57,7 +69,7 @@ G_M10050_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -69,7 +81,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+24 (+54.55%) : 13586.dasm - System.Collections.IterateFor`1[System.Canon]:ImmutableArray():System.Canon:this (FullOpts) 

@@ -8,7 +8,7 @@
 ; 0 inlinees with PGO data; 2 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T01] (  3,  3   )     ref  ->  [sp+0x04]  this class-hnd single-def <System.Collections.IterateFor`1[System.__Canon]>
+;  V00 this         [V00,T01] (  4,  4   )     ref  ->  [sp+0x00]  this class-hnd single-def <System.Collections.IterateFor`1[System.__Canon]>
 ;  V01 loc0         [V01,T02] (  3,  6   )     ref  ->   r3         ld-addr-op class-hnd <System.__Canon>
 ;* V02 loc1         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1[System.__Canon]>
 ;  V03 loc2         [V03,T00] (  5, 17   )     int  ->   r1        
@@ -19,31 +19,37 @@
 ;* V08 cse0         [V08,T09] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
 ;  V09 cse1         [V09,T03] (  3,  6   )     int  ->   lr         "CSE - aggressive"
 ;  V10 cse2         [V10,T05] (  2,  5   )   byref  ->   r2         hoist "CSE - aggressive"
-;* V11 rat0         [V11,T06] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V11 rat0         [V11,T06] (  2,  4   )     int  ->   lr         "Spilling to split statement for tree"
 ;* V12 rat1         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat2         [V13,T04] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat2         [V13,T04] (  2,  4   )     int  ->   lr         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 8
 
 G_M3722_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
             push    {r2,r3,r11,lr}
             add     r11, sp, 8
-                       ;; size=8 bbWeight=1 PerfScore 2.00
+            str     r0, [r11-0x04]
+                       ;; size=12 bbWeight=1 PerfScore 3.00
 G_M3722_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r0]
             movs    r3, 0
-            str     r0, [sp+0x04]
-            ; GC ptr vars +{V00}
             ldr     r2, [r0+0x1C]
             ; gcrRegs +[r2]
             movs    r1, 0
+            str     r0, [sp]
+            ; GC ptr vars +{V00}
+            ldr     lr, [r0]
+            ldr     lr, [lr+0x24]
+            ldr     lr, [lr]
+            ldr     lr, [lr+0x10]
+            cmp     lr, 0
             ldr     lr, [r2+0x04]
             cmp     lr, 0
             ble     SHORT G_M3722_IG04
             adds    r2, 8
             ; gcrRegs -[r2]
             ; byrRegs +[r2]
-                      ;; size=20 bbWeight=1 PerfScore 8.00
+                      ;; size=40 bbWeight=1 PerfScore 13.00
 G_M3722_IG03:        ; bbWeight=4, gcVars=00000002 {V00}, gcrefRegs=0000 {}, byrefRegs=0004 {r2}, gcvars, byref, isz
             ; gcrRegs -[r0]
             lsls    r3, r1, 2
@@ -62,7 +68,7 @@ G_M3722_IG05:        ; bbWeight=1, epilog, nogc, extend
             pop     {r2,r3,r11,pc}
                        ;; size=4 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 44, prolog size 8, PerfScore 32.00, instruction count 17, allocated bytes for code 44 (MethodHash=877ef175) for method System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (FullOpts)
+; Total bytes of code 68, prolog size 12, PerfScore 38.00, instruction count 23, allocated bytes for code 68 (MethodHash=877ef175) for method System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -74,7 +80,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 22 (0x00016) Actual length = 44 (0x00002c)
+  Function Length   : 34 (0x00022) Actual length = 68 (0x000044)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

benchmarks.run_pgo.linux.arm.checked.mch

-16 (-8.99%) : 1011.dasm - System.Runtime.CompilerServices.CastHelpers:StelemRef_Helper(byref,uint,System.Object) (Tier1) 

@@ -15,15 +15,15 @@
 ;* V03 loc0         [V03    ] (  0,  0   )     int  ->  zero-ref   
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V05 tmp1         [V05,T11] (  2,  4   )     ref  ->   r3         class-hnd single-def "impAppendStmt" <int[]>
-;  V06 tmp2         [V06,T12] (  2,  2   )     int  ->  r12         "Inline return value spill temp"
-;  V07 tmp3         [V07,T05] (  4, 18   )   byref  ->   r5         single-def "Inline stloc first use temp"
-;  V08 tmp4         [V08,T04] (  3, 20   )     int  ->   r4         "Inlining Arg"
-;  V09 tmp5         [V09,T03] (  4, 25   )     int  ->   r6         "Inline stloc first use temp"
-;  V10 tmp6         [V10,T00] (  5, 33   )     int  ->   r7         "Inline stloc first use temp"
-;  V11 tmp7         [V11,T02] (  5, 29   )   byref  ->   r3         "Inline stloc first use temp"
-;  V12 tmp8         [V12,T01] (  5, 33   )     int  ->   lr         "Inline stloc first use temp"
-;  V13 tmp9         [V13,T06] (  2, 16   )     int  ->  r12         "Inline stloc first use temp"
-;  V14 tmp10        [V14,T08] (  3,  9   )     int  ->  r12         "Inline stloc first use temp"
+;  V06 tmp2         [V06,T12] (  2,  2   )     int  ->   r7         "Inline return value spill temp"
+;  V07 tmp3         [V07,T05] (  4, 18   )   byref  ->   r3         single-def "Inline stloc first use temp"
+;  V08 tmp4         [V08,T04] (  3, 20   )     int  ->   lr         "Inlining Arg"
+;  V09 tmp5         [V09,T03] (  4, 25   )     int  ->  r12         "Inline stloc first use temp"
+;  V10 tmp6         [V10,T00] (  5, 33   )     int  ->   r4         "Inline stloc first use temp"
+;  V11 tmp7         [V11,T02] (  5, 29   )   byref  ->   r5         "Inline stloc first use temp"
+;  V12 tmp8         [V12,T01] (  5, 33   )     int  ->   r6         "Inline stloc first use temp"
+;  V13 tmp9         [V13,T06] (  2, 16   )     int  ->   r7         "Inline stloc first use temp"
+;  V14 tmp10        [V14,T08] (  3,  9   )     int  ->   r7         "Inline stloc first use temp"
 ;* V15 tmp11        [V15    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V16 tmp12        [V16    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;
@@ -40,74 +40,76 @@ G_M35959_IG02:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0001 {r0}, by
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             ; gcrRegs +[r3]
-            ldr     r4, [r2]
-            add     r5, r3, 8
-            ; byrRegs +[r5]
-            ror     r3, r4, 16
+            ldr     lr, [r2]
+            adds    r3, 8
             ; gcrRegs -[r3]
-            eors    r3, r1
-            movw    lr, 0xd1ff
-            movt    lr, 0xd1ff
-            mul     r3, r3, lr
-            ldr     lr, [r5]
-            and     lr, lr, 31
-            lsr     r6, r3, lr
-            movs    r7, 0
-                       ;; size=48 bbWeight=1 PerfScore 14.00
-G_M35959_IG03:        ; bbWeight=8, gcrefRegs=0004 {r2}, byrefRegs=0021 {r0 r5}, byref, isz
-            adds    r3, r6, 1
-            mov     lr, 12
-            mul     r3, r3, lr
-            adds    r3, r5, r3
             ; byrRegs +[r3]
-            ldr     lr, [r3]
-            dmb     15
-            ldr     r12, [r3+0x04]
-            mvn     r8, 1
-            and     lr, lr, r8
-            cmp     r12, r4
-            bne     SHORT G_M35959_IG05
-                       ;; size=36 bbWeight=8 PerfScore 88.00
-G_M35959_IG04:        ; bbWeight=4, gcrefRegs=0004 {r2}, byrefRegs=0029 {r0 r3 r5}, byref, isz
-            ldr     r12, [r3+0x08]
+            ror     r12, lr, 16
             eor     r12, r12, r1
-            cmp     r12, 1
-            bls     SHORT G_M35959_IG06
-                       ;; size=14 bbWeight=4 PerfScore 16.00
-G_M35959_IG05:        ; bbWeight=8, gcrefRegs=0004 {r2}, byrefRegs=0021 {r0 r5}, byref, isz
-            ; byrRegs -[r3]
-            cmp     lr, 0
-            beq     SHORT G_M35959_IG08
-            adds    r7, r7, 1
-            add     r12, r6, r7
-            ldr     r3, [r5+0x04]
-            and     r6, r12, r3
-            cmp     r7, 8
-            bge     SHORT G_M35959_IG08
-            b       SHORT G_M35959_IG03
-                       ;; size=24 bbWeight=8 PerfScore 72.00
-G_M35959_IG06:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0009 {r0 r3}, byref, isz
-            ; byrRegs -[r5] +[r3]
+            movw    r4, 0xd1ff
+            movt    r4, 0xd1ff
+            mul     r12, r12, r4
+            ldr     r4, [r3]
+            and     r4, r4, 31
+            lsr     r12, r12, r4
+            movs    r4, 0
+                       ;; size=48 bbWeight=1 PerfScore 14.00
+G_M35959_IG03:        ; bbWeight=8, gcrefRegs=0004 {r2}, byrefRegs=0009 {r0 r3}, byref, isz
+            add     r5, r12, 1
+            movs    r6, 12
+            mul     r5, r5, r6
+            adds    r5, r3, r5
+            ; byrRegs +[r5]
+            ldr     r6, [r5]
             dmb     15
-            ldr     r3, [r3]
+            ldr     r7, [r5+0x04]
+            mvn     r8, 1
+            and     r6, r6, r8
+            cmp     r7, lr
+            bne     SHORT G_M35959_IG05
+                       ;; size=32 bbWeight=8 PerfScore 88.00
+G_M35959_IG04:        ; bbWeight=4, gcrefRegs=0004 {r2}, byrefRegs=0029 {r0 r3 r5}, byref, isz
+            ldr     r7, [r5+0x08]
+            eors    r7, r1
+            cmp     r7, 1
+            bls     SHORT G_M35959_IG07
+                       ;; size=8 bbWeight=4 PerfScore 16.00
+G_M35959_IG05:        ; bbWeight=8, gcrefRegs=0004 {r2}, byrefRegs=0009 {r0 r3}, byref, isz
+            ; byrRegs -[r5]
+            cmp     r6, 0
+            beq     SHORT G_M35959_IG09
+            adds    r4, r4, 1
+            add     r12, r4
+            ldr     r7, [r3+0x04]
+            and     r12, r12, r7
+            cmp     r4, 8
+            blt     SHORT G_M35959_IG03
+                       ;; size=18 bbWeight=8 PerfScore 64.00
+G_M35959_IG06:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0001 {r0}, byref, isz
             ; byrRegs -[r3]
-            cmp     lr, r3
-            bne     SHORT G_M35959_IG08
-            cmp     r12, 1
-            bne     SHORT G_M35959_IG08
+            b       SHORT G_M35959_IG09
+                       ;; size=2 bbWeight=1 PerfScore 1.00
+G_M35959_IG07:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0021 {r0 r5}, byref, isz
+            ; byrRegs +[r5]
+            dmb     15
+            ldr     r3, [r5]
+            cmp     r6, r3
+            bne     SHORT G_M35959_IG09
+            cmp     r7, 1
+            bne     SHORT G_M35959_IG09
             mov     r1, r2
             ; gcrRegs +[r1]
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             blx     r3     // <unknown method>
             ; gcrRegs -[r1-r2]
-            ; byrRegs -[r0]
+            ; byrRegs -[r0 r5]
             ; gcr arg pop 0
-                       ;; size=28 bbWeight=1 PerfScore 10.00
-G_M35959_IG07:        ; bbWeight=1, epilog, nogc, extend
+                     ;; size=26 bbWeight=1 PerfScore 10.00
+G_M35959_IG08:        ; bbWeight=1, epilog, nogc, extend
             pop     {r3,r4,r5,r6,r7,r8,r11,pc}
                        ;; size=4 bbWeight=1 PerfScore 1.00
-G_M35959_IG08:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0004 {r2}, byrefRegs=0001 {r0}, gcvars, byref
+G_M35959_IG09:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0004 {r2}, byrefRegs=0001 {r0}, gcvars, byref
             ; gcrRegs +[r2]
             ; byrRegs +[r0]
             movw    r3, 0xd1ff
@@ -118,11 +120,11 @@ G_M35959_IG08:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0004 {r2}, byr
             ; byrRegs -[r0]
             ; gcr arg pop 0
                        ;; size=12 bbWeight=0 PerfScore 0.00
-G_M35959_IG09:        ; bbWeight=0, epilog, nogc, extend
+G_M35959_IG10:        ; bbWeight=0, epilog, nogc, extend
             pop     {r3,r4,r5,r6,r7,r8,r11,pc}
                        ;; size=4 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 178, prolog size 8, PerfScore 203.00, instruction count 56, allocated bytes for code 178 (MethodHash=fc727388) for method System.Runtime.CompilerServices.CastHelpers:StelemRef_Helper(byref,uint,System.Object) (Tier1)
+; Total bytes of code 162, prolog size 8, PerfScore 196.00, instruction count 56, allocated bytes for code 162 (MethodHash=fc727388) for method System.Runtime.CompilerServices.CastHelpers:StelemRef_Helper(byref,uint,System.Object) (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -134,7 +136,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 89 (0x00059) Actual length = 178 (0x0000b2)
+  Function Length   : 81 (0x00051) Actual length = 162 (0x0000a2)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

-16 (-6.72%) : 93282.dasm - Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1) 

@@ -31,7 +31,7 @@
 ;  V19 tmp11        [V19,T10] (  3,  3   )   ubyte  ->   r1         "Inline return value spill temp"
 ;* V20 tmp12        [V20    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "Inlining Arg" <System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement]>
 ;  V21 tmp13        [V21,T00] (  5, 32.68)     int  ->   r1         "Inline stloc first use temp"
-;  V22 tmp14        [V22,T02] (  3,  9.92)     int  ->  r12         single-def "Inline stloc first use temp"
+;  V22 tmp14        [V22,T02] (  3,  9.92)     int  ->   r0         single-def "Inline stloc first use temp"
 ;* V23 tmp15        [V23    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon>
 ;* V24 tmp16        [V24    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V25 tmp17        [V25    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
@@ -43,11 +43,11 @@
 ;  V31 tmp23        [V31,T04] (  4,  4   )     ref  ->  [sp+0x18]  do-not-enreg[] single-def "field V02.array (fldOffset=0x0)" P-DEP
 ;  V32 tmp24        [V32,T05] (  4,  4   )     ref  ->  [sp+0x1C]  do-not-enreg[] single-def "field V03.array (fldOffset=0x0)" P-DEP
 ;  V33 tmp25        [V33,T07] (  4,  3   )     ref  ->  [sp+0x28]  do-not-enreg[] single-def "field V06.array (fldOffset=0x0)" P-DEP
-;  V34 tmp26        [V34,T09] (  3,  3   )     ref  ->   r0         single-def "field V12.array (fldOffset=0x0)" P-INDEP
-;  V35 tmp27        [V35,T12] (  3,  2   )     ref  ->  [sp+0x00]  "field V16.array (fldOffset=0x0)" P-INDEP
+;  V34 tmp26        [V34,T09] (  3,  3   )     ref  ->   r4         single-def "field V12.array (fldOffset=0x0)" P-INDEP
+;  V35 tmp27        [V35,T12] (  3,  2   )     ref  ->   r4         "field V16.array (fldOffset=0x0)" P-INDEP
 ;* V36 tmp28        [V36,T19] (  0,  0   )     ref  ->  zero-ref    single-def "field V20.array (fldOffset=0x0)" P-INDEP
-;  V37 cse0         [V37,T15] (  2,  2   )     int  ->  r12         "CSE - aggressive"
-;  V38 cse1         [V38,T03] (  2,  8.92)   byref  ->   r4         hoist "CSE - aggressive"
+;  V37 cse0         [V37,T15] (  2,  2   )     int  ->   r0         "CSE - aggressive"
+;  V38 cse1         [V38,T03] (  2,  8.92)   byref  ->  r12         hoist "CSE - aggressive"
 ;
 ; Lcl frame size = 8
 
@@ -64,21 +64,21 @@ G_M59896_IG02:        ; bbWeight=1, gcrefRegs=000E {r1 r2 r3}, byrefRegs=0000 {}
             ; gcrRegs +[r1]
             mov     lr, r1
             ; gcrRegs +[lr]
-            ldr     r0, [sp+0x28]
-            ; gcrRegs +[r0]
-            ldrb    r12, [sp+0x2C]
-            cmp     r12, 0
+            ldr     r4, [sp+0x28]
+            ; gcrRegs +[r4]
+            ldrb    r0, [sp+0x2C]
+            cmp     r0, 0
             bne     SHORT G_M59896_IG11
             cmp     r3, 0
             beq     SHORT G_M59896_IG03
             str     r3, [sp+0x24]
-            ldrsh   r12, [r3+0x08]
-            ands    r12, r12, 1
-            cmp     r12, 0
+            ldrsh   r0, [r3+0x08]
+            ands    r0, r0, 1
+            cmp     r0, 0
             ldr     r3, [sp+0x24] // [V05 arg5]
             bne     SHORT G_M59896_IG11
-                      ;; size=36 bbWeight=1 PerfScore 13.00
-G_M59896_IG03:        ; bbWeight=1, gcrefRegs=400D {r0 r2 r3 lr}, byrefRegs=0000 {}, byref, isz
+                      ;; size=32 bbWeight=1 PerfScore 13.00
+G_M59896_IG03:        ; bbWeight=1, gcrefRegs=401C {r2 r3 r4 lr}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs -[r1]
             ldr     r1, [sp+0x28]  // [V33 tmp25]
             ; gcrRegs +[r1]
@@ -86,18 +86,18 @@ G_M59896_IG03:        ; bbWeight=1, gcrefRegs=400D {r0 r2 r3 lr}, byrefRegs=0000
             beq     SHORT G_M59896_IG05
             movs    r1, 0
             ; gcrRegs -[r1]
-            ldr     r12, [sp+0x28]    // [V33 tmp25]
-            ; gcrRegs +[r12]
-            ldr     r12, [r12+0x04]
-            ; gcrRegs -[r12]
-            cmp     r12, 0
+            ldr     r0, [sp+0x28]  // [V33 tmp25]
+            ; gcrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs -[r0]
+            cmp     r0, 0
             ble     SHORT G_M59896_IG05
-            add     r4, r0, 8
-            ; byrRegs +[r4]
-                       ;; size=26 bbWeight=1 PerfScore 9.00
-G_M59896_IG04:        ; bbWeight=7.92, gcrefRegs=400D {r0 r2 r3 lr}, byrefRegs=0010 {r4}, byref, isz
+            add     r12, r4, 8
+            ; byrRegs +[r12]
+                       ;; size=20 bbWeight=1 PerfScore 9.00
+G_M59896_IG04:        ; bbWeight=7.92, gcrefRegs=401C {r2 r3 r4 lr}, byrefRegs=1000 {r12}, byref, isz
             lsls    r5, r1, 2
-            ldr     r5, [r4+r5]
+            ldr     r5, [r12+r5]
             ; gcrRegs +[r5]
             ldrsh   r5, [r5+0x08]
             ; gcrRegs -[r5]
@@ -105,25 +105,23 @@ G_M59896_IG04:        ; bbWeight=7.92, gcrefRegs=400D {r0 r2 r3 lr}, byrefRegs=0
             cmp     r5, 0
             bne     SHORT G_M59896_IG06
             adds    r1, r1, 1
-            cmp     r1, r12
+            cmp     r1, r0
             blt     SHORT G_M59896_IG04
-                        ;; size=22 bbWeight=7.92 PerfScore 71.28
-G_M59896_IG05:        ; bbWeight=1, gcrefRegs=400D {r0 r2 r3 lr}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r4]
+                      ;; size=24 bbWeight=7.92 PerfScore 71.28
+G_M59896_IG05:        ; bbWeight=1, gcrefRegs=401C {r2 r3 r4 lr}, byrefRegs=0000 {}, byref, isz
+            ; byrRegs -[r12]
             movs    r1, 0
             b       SHORT G_M59896_IG07
                        ;; size=4 bbWeight=1 PerfScore 2.00
-G_M59896_IG06:        ; bbWeight=1, gcrefRegs=400D {r0 r2 r3 lr}, byrefRegs=0000 {}, byref
+G_M59896_IG06:        ; bbWeight=1, gcrefRegs=401C {r2 r3 r4 lr}, byrefRegs=0000 {}, byref
             movs    r1, 1
                        ;; size=2 bbWeight=1 PerfScore 1.00
-G_M59896_IG07:        ; bbWeight=1, gcrefRegs=400D {r0 r2 r3 lr}, byrefRegs=0000 {}, byref
-            str     r0, [sp]   // [V35 tmp27]
-            ; GC ptr vars +{V35}
+G_M59896_IG07:        ; bbWeight=1, gcrefRegs=401C {r2 r3 r4 lr}, byrefRegs=0000 {}, byref
             str     r1, [sp+0x04]  // [V17 tmp9]
             str     r3, [sp+0x24]  // [V05 arg5]
-                     ;; size=6 bbWeight=1 PerfScore 3.00
-G_M59896_IG08:        ; bbWeight=1, gcVars=00001000 {V35}, gcrefRegs=4004 {r2 lr}, byrefRegs=0000 {}, gcvars, byref, isz
-            ; gcrRegs -[r0 r3]
+                       ;; size=4 bbWeight=1 PerfScore 2.00
+G_M59896_IG08:        ; bbWeight=1, gcrefRegs=4014 {r2 r4 lr}, byrefRegs=0000 {}, byref, isz
+            ; gcrRegs -[r3]
             movs    r0, 80
             strb    r0, [r2+0x0A]
             adds    r0, r2, 4
@@ -139,16 +137,15 @@ G_M59896_IG08:        ; bbWeight=1, gcVars=00001000 {V35}, gcrefRegs=4004 {r2 lr
             cmp     r1, 0
             bne     SHORT G_M59896_IG12
                        ;; size=26 bbWeight=1 PerfScore 10.00
-G_M59896_IG09:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0000 {}, byref
+G_M59896_IG09:        ; bbWeight=1, gcrefRegs=0014 {r2 r4}, byrefRegs=0000 {}, byref
             add     r0, r2, 12
             ; byrRegs +[r0]
-            ldr     r1, [sp]  // [V35 tmp27]
+            mov     r1, r4
             ; gcrRegs +[r1]
             movw    r12, 0xd1ff
             movt    r12, 0xd1ff
-            ; GC ptr vars -{V35}
             blx     r12       // CORINFO_HELP_ASSIGN_REF
-            ; gcrRegs -[r1]
+            ; gcrRegs -[r1 r4]
             ; byrRegs -[r0]
             add     r0, r2, 24
             ; byrRegs +[r0]
@@ -187,25 +184,23 @@ G_M59896_IG10:        ; bbWeight=1, epilog, nogc, extend
                        ;; size=8 bbWeight=1 PerfScore 3.00
 G_M59896_IG11:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=000E {r1 r2 r3}, byrefRegs=0000 {}, gcvars, byref, isz
             ; gcrRegs +[r1-r3]
-            ldr     r0, [sp+0x28]  // [V33 tmp25]
-            ; gcrRegs +[r0]
-            mov     lr, 1
+            ldr     r4, [sp+0x28]   // [V33 tmp25]
+            ; gcrRegs +[r4]
+            movs    r0, 1
             str     r3, [sp+0x24] // [V05 arg5]
-            str     r0, [sp] // [V35 tmp27]
-            ; GC ptr vars +{V35}
-            str     lr, [sp+0x04]  // [V17 tmp9]
+            str     r0, [sp+0x04]    // [V17 tmp9]
             mov     lr, r1
             ; gcrRegs +[lr]
             b       SHORT G_M59896_IG08
-                      ;; size=18 bbWeight=0 PerfScore 0.00
-G_M59896_IG12:        ; bbWeight=0, gcVars=00001000 {V35}, gcrefRegs=0004 {r2}, byrefRegs=0000 {}, gcvars, byref, isz
-            ; gcrRegs -[r0-r1 r3 lr]
+                     ;; size=12 bbWeight=0 PerfScore 0.00
+G_M59896_IG12:        ; bbWeight=0, gcrefRegs=0014 {r2 r4}, byrefRegs=0000 {}, byref, isz
+            ; gcrRegs -[r1 r3 lr]
             movs    r1, 1
             strh    r1, [r2+0x08]
             b       SHORT G_M59896_IG09
                        ;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 238, prolog size 14, PerfScore 139.28, instruction count 87, allocated bytes for code 238 (MethodHash=8f681607) for method Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1)
+; Total bytes of code 222, prolog size 14, PerfScore 138.28, instruction count 85, allocated bytes for code 222 (MethodHash=8f681607) for method Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -217,7 +212,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 119 (0x00077) Actual length = 238 (0x0000ee)
+  Function Length   : 111 (0x0006f) Actual length = 222 (0x0000de)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

-20 (-6.45%) : 25326.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts) 

@@ -17,13 +17,13 @@
 ;  V07 tmp2         [V07,T09] (  4,  2   )     ref  ->   lr         "field V03.Cert (fldOffset=0x0)" P-INDEP
 ;  V08 tmp3         [V08,T10] (  4,  2   )     ref  ->  [sp+0x00]  "field V03.Key (fldOffset=0x4)" P-INDEP
 ;  V09 tmp4         [V09,T05] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
-;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r0         "index expr"
+;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r4         "index expr"
 ;  V11 tmp6         [V11,T06] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
 ;* V12 tmp7         [V12,T13] (  0,  0   )     int  ->  zero-ref    "index expr"
 ;  V13 tmp8         [V13,T15] (  2,  0   )     ref  ->   r1         single-def "argument with side effect"
 ;  V14 cse0         [V14,T11] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
 ;  V15 cse1         [V15,T12] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
-;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r0         "CSE - aggressive"
+;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r4         "CSE - aggressive"
 ;  V17 cse3         [V17,T08] (  3,  3   )     int  ->   r0         "CSE - aggressive"
 ;
 ; Lcl frame size = 12
@@ -42,57 +42,57 @@ G_M3164_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0002 {r1}, byr
             ; gcrRegs -[r0]
             cmp     r0, 0
             ble     SHORT G_M3164_IG11
-            subs    r0, r0, 1
-            mov     r3, r0
+            subs    r4, r0, 1
+            mov     r3, r4
             cmp     r3, 0
             blt     SHORT G_M3164_IG06
             cmp     r2, 0
             beq     SHORT G_M3164_IG05
-            ldr     lr, [r2+0x04]
-            cmp     lr, r3
+            ldr     r0, [r2+0x04]
+            cmp     r0, r3
             ble     SHORT G_M3164_IG05
-                     ;; size=28 bbWeight=1 PerfScore 13.00
+                     ;; size=26 bbWeight=1 PerfScore 13.00
 G_M3164_IG03:        ; bbWeight=3.96, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG03
-                       ;; size=26 bbWeight=3.96 PerfScore 35.64
-G_M3164_IG04:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
+                      ;; size=18 bbWeight=3.96 PerfScore 35.64
+G_M3164_IG04:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
+            ; gcrRegs -[r0]
             b       SHORT G_M3164_IG06
-                        ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M3164_IG05:        ; bbWeight=0.04, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ldr     lr, [r2+0x04]
-            cmp     r3, lr
+            ldr     r0, [r2+0x04]
+            cmp     r3, r0
             bhs     SHORT G_M3164_IG10
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG05
-                       ;; size=34 bbWeight=0.04 PerfScore 0.48
+                       ;; size=24 bbWeight=0.04 PerfScore 0.48
 G_M3164_IG06:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
-            ldr     r3, [r2+0x04]
-            cmp     r0, r3
+            ; gcrRegs -[r0]
+            ldr     r0, [r2+0x04]
+            cmp     r4, r0
             bhs     SHORT G_M3164_IG10
-            lsls    r0, r0, 3
+            lsls    r0, r4, 3
             adds    r0, 8
             adds    r0, r2, r0
             ; byrRegs +[r0]
@@ -228,7 +228,7 @@ G_M3164_IG11:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             bkpt    
                        ;; size=62 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 310, prolog size 10, PerfScore 80.12, instruction count 116, allocated bytes for code 310 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
+; Total bytes of code 290, prolog size 10, PerfScore 79.62, instruction count 116, allocated bytes for code 290 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -240,7 +240,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 155 (0x0009b) Actual length = 310 (0x000136)
+  Function Length   : 145 (0x00091) Actual length = 290 (0x000122)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+16 (+42.11%) : 97492.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo1[System.__Canon]):this (Tier1) 

@@ -9,22 +9,24 @@
 ; 0 inlinees with PGO data; 1 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T00] (  4,  3   )     ref  ->   r4         this class-hnd single-def <Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]>
-;  V01 arg1         [V01,T01] (  3,  2   )  struct (16) [sp+0x0C]  do-not-enreg[SF] ld-addr-op single-def <Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]>
+;  V00 this         [V00,T00] (  5,  3   )     ref  ->   r4         this class-hnd single-def <Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]>
+;  V01 arg1         [V01,T01] (  3,  2   )  struct (16) [sp+0x14]  do-not-enreg[SF] ld-addr-op single-def <Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V03 tmp1         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
-;* V04 rat0         [V04,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V04 rat0         [V04,T02] (  2,  0   )     int  ->   r0         "Spilling to split statement for tree"
 ;* V05 rat1         [V05,T04] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V06 rat2         [V06,T03] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V06 rat2         [V06,T03] (  2,  0   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
-; Lcl frame size = 4
+; Lcl frame size = 12
 
 G_M44880_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
             push    {r1,r2,r3}
-            push    {r3,r4,lr}
+            push    {r4,lr}
+            sub     sp, 12
+            str     r0, [sp+0x04]
             mov     r4, r0
             ; gcrRegs +[r4]
-                      ;; size=6 bbWeight=1 PerfScore 3.00
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M44880_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4+0x08]
             ; gcrRegs +[r0]
@@ -33,14 +35,20 @@ G_M44880_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
                        ;; size=6 bbWeight=1 PerfScore 3.00
 G_M44880_IG03:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             ; gcrRegs -[r0]
-            pop     {r3,r4,lr}
+            add     sp, 12
+            pop     {r4,lr}
             add     sp, 12
             bx      lr
-                       ;; size=8 bbWeight=1 PerfScore 3.00
+                       ;; size=10 bbWeight=1 PerfScore 4.00
 G_M44880_IG04:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, gcvars, byref, isz
+            ldr     r0, [r4]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x48]
+            cmp     r0, 0
             mov     r0, r4
             ; gcrRegs +[r0]
-            ldr     r1, [sp+0x10]
+            ldr     r1, [sp+0x18]
             ; gcrRegs +[r1]
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
@@ -49,9 +57,9 @@ G_M44880_IG04:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0010 {r4}, byr
             ; gcrRegs -[r0-r1]
             ; gcr arg pop 0
             b       SHORT G_M44880_IG03
-                      ;; size=18 bbWeight=0 PerfScore 0.00
+                      ;; size=28 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 38, prolog size 4, PerfScore 9.00, instruction count 16, allocated bytes for code 38 (MethodHash=282050af) for method Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
+; Total bytes of code 54, prolog size 8, PerfScore 12.00, instruction count 24, allocated bytes for code 54 (MethodHash=282050af) for method Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -63,21 +71,22 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 19 (0x00013) Actual length = 38 (0x000026)
+  Function Length   : 27 (0x0001b) Actual length = 54 (0x000036)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)
   Condition                  : 14 (0xe) (always)
   Epilog Start Index         : 5 (0x05)
   ---- Unwind codes ----
-    ED 18       pop {r3,r4,lr}                      ; opsize 16
+    03          add sp, sp, #12                     ; opsize 16
+    D4          pop {r4,lr}                         ; opsize 16
     EC 0E       pop {r1,r2,r3}                      ; opsize 16
     FF          end
     ---- Epilog start at index 5 ----
-    A0 18       pop {r3,r4,lr}                      ; opsize 32
+    03          add sp, sp, #12                     ; opsize 16
+    A0 10       pop {r4,lr}                         ; opsize 32
     03          add sp, sp, #12                     ; opsize 16
     FD          end + nop                           ; opsize 16
     FF          end
     FF          end
-    FF          end

+20 (+50.00%) : 73597.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Canon,System.Canon]]):this (Tier1) 

@@ -16,13 +16,13 @@
 ;* V05 tmp2         [V05    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r0         single-def "V02.[000..004)"
-;* V09 cse0         [V09,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V10 rat0         [V10,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r3         single-def "V02.[000..004)"
+;  V09 cse0         [V09,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V10 rat0         [V10,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V11 rat1         [V11,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V12 rat2         [V12,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V12 rat2         [V12,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V13 rat3         [V13,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V14 rat4         [V14,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V14 rat4         [V14,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -36,19 +36,31 @@ G_M20412_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M20412_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x18]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x0C]
+            cmp     r3, 0
+            ldr     r3, [sp+0x18]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x10]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M20412_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -56,7 +68,7 @@ G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -68,7 +80,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+24 (+54.55%) : 29620.dasm - System.Collections.IterateFor`1[System.Canon]:ImmutableArray():System.Canon:this (Tier0-FullOpts) 

@@ -8,7 +8,7 @@
 ; 0 inlinees with PGO data; 2 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T01] (  3,  3   )     ref  ->  [sp+0x04]  this class-hnd single-def <System.Collections.IterateFor`1[System.__Canon]>
+;  V00 this         [V00,T01] (  4,  4   )     ref  ->  [sp+0x00]  this class-hnd single-def <System.Collections.IterateFor`1[System.__Canon]>
 ;  V01 loc0         [V01,T02] (  3,  6   )     ref  ->   r3         ld-addr-op class-hnd <System.__Canon>
 ;* V02 loc1         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1[System.__Canon]>
 ;  V03 loc2         [V03,T00] (  5, 17   )     int  ->   r1        
@@ -19,31 +19,37 @@
 ;* V08 cse0         [V08,T09] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
 ;  V09 cse1         [V09,T03] (  3,  6   )     int  ->   lr         "CSE - aggressive"
 ;  V10 cse2         [V10,T05] (  2,  5   )   byref  ->   r2         hoist "CSE - aggressive"
-;* V11 rat0         [V11,T06] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V11 rat0         [V11,T06] (  2,  4   )     int  ->   lr         "Spilling to split statement for tree"
 ;* V12 rat1         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat2         [V13,T04] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat2         [V13,T04] (  2,  4   )     int  ->   lr         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 8
 
 G_M3722_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
             push    {r2,r3,r11,lr}
             add     r11, sp, 8
-                       ;; size=8 bbWeight=1 PerfScore 2.00
+            str     r0, [r11-0x04]
+                       ;; size=12 bbWeight=1 PerfScore 3.00
 G_M3722_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r0]
             movs    r3, 0
-            str     r0, [sp+0x04]
-            ; GC ptr vars +{V00}
             ldr     r2, [r0+0x1C]
             ; gcrRegs +[r2]
             movs    r1, 0
+            str     r0, [sp]
+            ; GC ptr vars +{V00}
+            ldr     lr, [r0]
+            ldr     lr, [lr+0x24]
+            ldr     lr, [lr]
+            ldr     lr, [lr+0x10]
+            cmp     lr, 0
             ldr     lr, [r2+0x04]
             cmp     lr, 0
             ble     SHORT G_M3722_IG04
             adds    r2, 8
             ; gcrRegs -[r2]
             ; byrRegs +[r2]
-                      ;; size=20 bbWeight=1 PerfScore 8.00
+                      ;; size=40 bbWeight=1 PerfScore 13.00
 G_M3722_IG03:        ; bbWeight=4, gcVars=00000002 {V00}, gcrefRegs=0000 {}, byrefRegs=0004 {r2}, gcvars, byref, isz
             ; gcrRegs -[r0]
             lsls    r3, r1, 2
@@ -62,7 +68,7 @@ G_M3722_IG05:        ; bbWeight=1, epilog, nogc, extend
             pop     {r2,r3,r11,pc}
                        ;; size=4 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 44, prolog size 8, PerfScore 32.00, instruction count 17, allocated bytes for code 44 (MethodHash=877ef175) for method System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
+; Total bytes of code 68, prolog size 12, PerfScore 38.00, instruction count 23, allocated bytes for code 68 (MethodHash=877ef175) for method System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -74,7 +80,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 22 (0x00016) Actual length = 44 (0x00002c)
+  Function Length   : 34 (0x00022) Actual length = 68 (0x000044)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

benchmarks.run_tiered.linux.arm.checked.mch

-20 (-6.45%) : 13085.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts) 

@@ -17,13 +17,13 @@
 ;  V07 tmp2         [V07,T09] (  4,  2   )     ref  ->   lr         "field V03.Cert (fldOffset=0x0)" P-INDEP
 ;  V08 tmp3         [V08,T10] (  4,  2   )     ref  ->  [sp+0x00]  "field V03.Key (fldOffset=0x4)" P-INDEP
 ;  V09 tmp4         [V09,T05] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
-;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r0         "index expr"
+;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r4         "index expr"
 ;  V11 tmp6         [V11,T06] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
 ;* V12 tmp7         [V12,T13] (  0,  0   )     int  ->  zero-ref    "index expr"
 ;  V13 tmp8         [V13,T15] (  2,  0   )     ref  ->   r1         single-def "argument with side effect"
 ;  V14 cse0         [V14,T11] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
 ;  V15 cse1         [V15,T12] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
-;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r0         "CSE - aggressive"
+;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r4         "CSE - aggressive"
 ;  V17 cse3         [V17,T08] (  3,  3   )     int  ->   r0         "CSE - aggressive"
 ;
 ; Lcl frame size = 12
@@ -42,57 +42,57 @@ G_M3164_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0002 {r1}, byr
             ; gcrRegs -[r0]
             cmp     r0, 0
             ble     SHORT G_M3164_IG11
-            subs    r0, r0, 1
-            mov     r3, r0
+            subs    r4, r0, 1
+            mov     r3, r4
             cmp     r3, 0
             blt     SHORT G_M3164_IG06
             cmp     r2, 0
             beq     SHORT G_M3164_IG05
-            ldr     lr, [r2+0x04]
-            cmp     lr, r3
+            ldr     r0, [r2+0x04]
+            cmp     r0, r3
             ble     SHORT G_M3164_IG05
-                     ;; size=28 bbWeight=1 PerfScore 13.00
+                     ;; size=26 bbWeight=1 PerfScore 13.00
 G_M3164_IG03:        ; bbWeight=3.96, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG03
-                       ;; size=26 bbWeight=3.96 PerfScore 35.64
-G_M3164_IG04:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
+                      ;; size=18 bbWeight=3.96 PerfScore 35.64
+G_M3164_IG04:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
+            ; gcrRegs -[r0]
             b       SHORT G_M3164_IG06
-                        ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M3164_IG05:        ; bbWeight=0.04, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ldr     lr, [r2+0x04]
-            cmp     r3, lr
+            ldr     r0, [r2+0x04]
+            cmp     r3, r0
             bhs     SHORT G_M3164_IG10
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG05
-                       ;; size=34 bbWeight=0.04 PerfScore 0.48
+                       ;; size=24 bbWeight=0.04 PerfScore 0.48
 G_M3164_IG06:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
-            ldr     r3, [r2+0x04]
-            cmp     r0, r3
+            ; gcrRegs -[r0]
+            ldr     r0, [r2+0x04]
+            cmp     r4, r0
             bhs     SHORT G_M3164_IG10
-            lsls    r0, r0, 3
+            lsls    r0, r4, 3
             adds    r0, 8
             adds    r0, r2, r0
             ; byrRegs +[r0]
@@ -228,7 +228,7 @@ G_M3164_IG11:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             bkpt    
                        ;; size=62 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 310, prolog size 10, PerfScore 80.12, instruction count 116, allocated bytes for code 310 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
+; Total bytes of code 290, prolog size 10, PerfScore 79.62, instruction count 116, allocated bytes for code 290 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -240,7 +240,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 155 (0x0009b) Actual length = 310 (0x000136)
+  Function Length   : 145 (0x00091) Actual length = 290 (0x000122)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

-30 (-5.77%) : 10372.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int 

@@ -15,15 +15,15 @@
 ;  V04 loc0         [V04,T14] (  4,  3   )     int  ->  [sp+0x04]  spill-single-def
 ;  V05 loc1         [V05,T13] (  8,  4   )     int  ->   r8        
 ;  V06 loc2         [V06,T07] ( 13,  8.68)     ref  ->   r9         class-hnd single-def <int[]>
-;  V07 loc3         [V07,T10] (  4,  5   )     int  ->   r0        
+;  V07 loc3         [V07,T10] (  4,  5   )     int  ->  r10        
 ;  V08 loc4         [V08,T19] (  3,  1.50)     ref  ->   r4         class-hnd single-def <int[]>
 ;* V09 loc5         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Span`1[int]>
-;  V10 loc6         [V10,T04] (  6, 18.50)     int  ->   r1        
+;  V10 loc6         [V10,T04] (  6, 18.50)     int  ->   r3        
 ;* V11 loc7         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <System.String>
-;  V12 loc8         [V12,T03] (  6, 20   )     int  ->  [sp+0x00]  spill-single-def
+;  V12 loc8         [V12,T03] (  6, 20   )     int  ->   r0        
 ;  V13 loc9         [V13,T02] (  7, 32   )     int  ->  r12        
-;  V14 loc10        [V14,T00] ( 12, 74.16)     int  ->   r5        
-;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  r10        
+;  V14 loc10        [V14,T00] ( 12, 74.16)     int  ->   r2        
+;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->   r1        
 ;# V16 OutArgs      [V16    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V17 tmp1         [V17    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[int]>
 ;* V18 tmp2         [V18    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
@@ -39,9 +39,9 @@
 ;  V28 tmp12        [V28,T17] (  2,  2   )     ref  ->   r0         single-def "argument with side effect"
 ;  V29 tmp13        [V29,T18] (  2,  2   )     ref  ->   r0         single-def "argument with side effect"
 ;* V30 cse0         [V30,T22] (  0,  0   )     int  ->  zero-ref    "CSE - moderate"
-;  V31 cse1         [V31,T05] (  3, 16.50)   byref  ->   r3         hoist "CSE - aggressive"
+;  V31 cse1         [V31,T05] (  3, 16.50)   byref  ->   lr         hoist "CSE - aggressive"
 ;  V32 cse2         [V32,T08] (  4,  6.50)     int  ->   r7         "CSE - aggressive"
-;  V33 cse3         [V33,T12] (  2,  4.50)   byref  ->   r2         hoist "CSE - moderate"
+;  V33 cse3         [V33,T12] (  2,  4.50)   byref  ->   r5         hoist "CSE - moderate"
 ;
 ; Lcl frame size = 12
 
@@ -65,7 +65,7 @@ G_M57321_IG02:        ; bbWeight=1, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, byre
             blx     r3     // CORINFO_HELP_DIV
             ; gcr arg pop 0
             cmp     r0, 5
-            bgt     G_M57321_IG19
+            bgt     G_M57321_IG17
                         ;; size=28 bbWeight=1 PerfScore 11.00
 G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, byref, isz
             movs    r0, 5
@@ -73,7 +73,7 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, b
             movw    r0, 0xd1ff
             movt    r0, 0xd1ff
             cmp     r8, r0
-            bgt     G_M57321_IG19
+            bgt     G_M57321_IG17
             movw    r0, 0xd1ff
             movt    r0, 0xd1ff
             movs    r1, 27
@@ -97,7 +97,7 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, b
             cmp     r9, 0
             bne     SHORT G_M57321_IG04
             cmp     r8, 0
-            bne     G_M57321_IG24
+            bne     G_M57321_IG22
             movs    r0, 0
             ; gcrRegs -[r0]
             movs    r1, 0
@@ -107,7 +107,7 @@ G_M57321_IG04:        ; bbWeight=0.50, gcrefRegs=0220 {r5 r9}, byrefRegs=0000 {}
             ldr     r0, [r9+0x04]
             ldr     r1, [r9+0x04]
             cmp     r1, r8
-            blo     G_M57321_IG24
+            blo     G_M57321_IG22
             add     r0, r9, 8
             ; byrRegs +[r0]
             mov     r1, r8
@@ -120,100 +120,92 @@ G_M57321_IG05:        ; bbWeight=0.50, gcrefRegs=0220 {r5 r9}, byrefRegs=0001 {r
             blx     r3     // <unknown method>
             ; byrRegs -[r0]
             ; gcr arg pop 0
-            movs    r0, 0
-            movs    r1, 0
+            mov     r10, 0
+            movs    r3, 0
             cmp     r7, 0
-            ble     SHORT G_M57321_IG17
-            add     r2, r5, 8
-            ; byrRegs +[r2]
-            add     r3, r9, 8
-            ; byrRegs +[r3]
-                       ;; size=32 bbWeight=0.50 PerfScore 5.50
-G_M57321_IG06:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
+            ble     SHORT G_M57321_IG15
+            adds    r5, 8
             ; gcrRegs -[r5]
-            lsl     lr, r1, 2
-            ldr     lr, [r2+lr]
-            ; gcrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs -[lr]
-            sub     lr, lr, r4
-            mov     r12, 5
-            mul     lr, lr, r12
-            str     lr, [sp]
-            add     r12, lr, 5
-            mov     r5, lr
-            cmp     lr, r12
-            bge     SHORT G_M57321_IG16
-                       ;; size=38 bbWeight=4 PerfScore 44.00
-G_M57321_IG07:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
+            ; byrRegs +[r5]
+            add     lr, r9, 8
+            ; byrRegs +[lr]
+                       ;; size=32 bbWeight=0.50 PerfScore 5.50
+G_M57321_IG06:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            lsls    r0, r3, 2
+            ldr     r0, [r5+r0]
+            ; gcrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs -[r0]
+            subs    r0, r0, r4
+            movs    r1, 5
+            mul     r0, r0, r1
+            add     r12, r0, 5
+            mov     r2, r0
+            cmp     r0, r12
+            bge     SHORT G_M57321_IG14
+                       ;; size=24 bbWeight=4 PerfScore 40.00
+G_M57321_IG07:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
             cmp     r9, 0
             beq     SHORT G_M57321_IG10
-            orrs    r10, lr, r12
-            cmp     r10, 0
+            orrs    r1, r0, r12
+            cmp     r1, 0
             blt     SHORT G_M57321_IG10
-            ldr     r10, [r9+0x04]
-            cmp     r10, r12
+            ldr     r1, [r9+0x04]
+            cmp     r1, r12
             blt     SHORT G_M57321_IG10
-                       ;; size=24 bbWeight=2 PerfScore 16.00
-G_M57321_IG08:        ; bbWeight=15.84, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            lsl     r10, r5, 2
-            add     r10, r3
-            ; byrRegs +[r10]
-            ldr     r6, [r10]
+                        ;; size=22 bbWeight=2 PerfScore 16.00
+G_M57321_IG08:        ; bbWeight=15.84, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            lsls    r1, r2, 2
+            add     r1, lr
+            ; byrRegs +[r1]
+            ldr     r6, [r1]
             cmp     r6, 0
-            blt     SHORT G_M57321_IG14
-            adds    r5, r5, 1
-            cmp     r5, r12
+            blt     SHORT G_M57321_IG12
+            adds    r2, r2, 1
+            cmp     r2, r12
             blt     SHORT G_M57321_IG08
-                       ;; size=20 bbWeight=15.84 PerfScore 126.72
-G_M57321_IG09:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ; byrRegs -[r10]
-            b       SHORT G_M57321_IG16
-                       ;; size=2 bbWeight=2 PerfScore 2.00
-G_M57321_IG10:        ; bbWeight=0.02, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref
-            ldr     r10, [r9+0x04]
+                       ;; size=16 bbWeight=15.84 PerfScore 126.72
+G_M57321_IG09:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            ; byrRegs -[r1]
+            b       SHORT G_M57321_IG14
+                       ;; size=2 bbWeight=4 PerfScore 4.00
+G_M57321_IG10:        ; bbWeight=0.02, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref
+            ldr     r1, [r9+0x04]
                       ;; size=4 bbWeight=0.02 PerfScore 0.02
-G_M57321_IG11:        ; bbWeight=0.16, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ldr     r10, [r9+0x04]
-            cmp     r5, r10
-            bhs     SHORT G_M57321_IG23
-            lsl     r10, r5, 2
-            add     r10, r3
-            ; byrRegs +[r10]
-            ldr     lr, [r10]
-            cmp     lr, 0
-            blt     SHORT G_M57321_IG13
-            adds    r5, r5, 1
-            cmp     r5, r12
+G_M57321_IG11:        ; bbWeight=0.16, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            ldr     r1, [r9+0x04]
+            cmp     r2, r1
+            bhs     SHORT G_M57321_IG21
+            lsls    r1, r2, 2
+            add     r1, lr
+            ; byrRegs +[r1]
+            ldr     r6, [r1]
+            cmp     r6, 0
+            blt     SHORT G_M57321_IG12
+            adds    r2, r2, 1
+            cmp     r2, r12
             blt     SHORT G_M57321_IG11
-                       ;; size=30 bbWeight=0.16 PerfScore 1.76
-G_M57321_IG12:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ; byrRegs -[r10]
-            b       SHORT G_M57321_IG16
+            b       SHORT G_M57321_IG14
+                       ;; size=26 bbWeight=0.16 PerfScore 1.92
+G_M57321_IG12:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=4022 {r1 r5 lr}, byref, isz
+            cmp     r2, r0
+            bne     SHORT G_M57321_IG13
+            add     r10, r10, 1
+                       ;; size=8 bbWeight=2 PerfScore 6.00
+G_M57321_IG13:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=4022 {r1 r5 lr}, byref
+            str     r3, [r1]
                        ;; size=2 bbWeight=2 PerfScore 2.00
-G_M57321_IG13:        ; bbWeight=0.08, gcrefRegs=0200 {r9}, byrefRegs=040C {r2 r3 r10}, byref
-            ; byrRegs +[r10]
-            ldr     lr, [sp]   // [V12 loc8]
-                       ;; size=4 bbWeight=0.08 PerfScore 0.08
-G_M57321_IG14:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=040C {r2 r3 r10}, byref, isz
-            cmp     r5, lr
-            bne     SHORT G_M57321_IG15
-            adds    r0, r0, 1
-                       ;; size=6 bbWeight=2 PerfScore 6.00
-G_M57321_IG15:        ; bbWeight=2, gcrefRegs=0200 {r9}, byrefRegs=040C {r2 r3 r10}, byref
-            str     r1, [r10]
-                       ;; size=4 bbWeight=2 PerfScore 2.00
-G_M57321_IG16:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=000C {r2 r3}, byref, isz
-            ; byrRegs -[r10]
-            cmp     r5, r12
-            beq     SHORT G_M57321_IG18
-            adds    r1, r1, 1
-            cmp     r7, r1
+G_M57321_IG14:        ; bbWeight=4, gcrefRegs=0200 {r9}, byrefRegs=4020 {r5 lr}, byref, isz
+            ; byrRegs -[r1]
+            cmp     r2, r12
+            beq     SHORT G_M57321_IG16
+            adds    r3, r3, 1
+            cmp     r7, r3
             bgt     SHORT G_M57321_IG06
                        ;; size=10 bbWeight=4 PerfScore 20.00
-G_M57321_IG17:        ; bbWeight=0.50, gcrefRegs=0200 {r9}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r2-r3]
-            vmov.i2f s8, r0
+G_M57321_IG15:        ; bbWeight=0.50, gcrefRegs=0200 {r9}, byrefRegs=0000 {}, byref, isz
+            ; byrRegs -[r5 lr]
+            vmov.i2f s8, r10
             vcvt.i2d d4, s8
             ldr     r6, [sp+0x04]  // [V04 loc0]
             vmov.i2f s10, r6
@@ -226,9 +218,9 @@ G_M57321_IG17:        ; bbWeight=0.50, gcrefRegs=0200 {r9}, byrefRegs=0000 {}, b
             vmov.i2d d5, r0, r1
             vcmp    d4, d5
             vmrs    APSR, FPSCR
-            bhs     SHORT G_M57321_IG21
+            bhs     SHORT G_M57321_IG19
                       ;; size=52 bbWeight=0.50 PerfScore 7.00
...

-12 (-4.62%) : 59283.dasm - Benchstone.BenchI.XposMatrix:Test():ubyte:this (Tier0-FullOpts) 

@@ -10,18 +10,18 @@
 ;  V00 this         [V00,T06] (  3,  3   )     ref  ->   r0         this class-hnd single-def <Benchstone.BenchI.XposMatrix>
 ;  V01 loc0         [V01,T07] (  7,  4.58)     ref  ->   r0         class-hnd single-def <int[][]>
 ;* V02 loc1         [V02,T11] (  0,  0   )     int  ->  zero-ref    single-def
-;  V03 loc2         [V03,T03] ( 12, 19.04)     int  ->   r1        
-;  V04 loc3         [V04,T00] ( 16, 68.32)     int  ->   r2        
+;  V03 loc2         [V03,T03] ( 12, 19.04)     int  ->   r4        
+;  V04 loc3         [V04,T00] ( 16, 68.32)     int  ->   r1        
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V06 tmp1         [V06,T01] (  8, 64.64)     ref  ->  registers   "arr expr"
 ;  V07 tmp2         [V07,T05] (  3,  6   )     ref  ->   r1         single-def "arr expr"
 ;  V08 tmp3         [V08,T10] (  3,  3   )     ref  ->   r0         single-def "arr expr"
-;  V09 cse0         [V09,T12] (  2,  0.20)     ref  ->   lr         hoist "CSE - conservative"
-;  V10 cse1         [V10,T02] (  6, 21.80)     ref  ->  r12         hoist multi-def "CSE - aggressive"
-;  V11 cse2         [V11,T08] (  7,  4.58)   byref  ->   r4         hoist multi-def "CSE - aggressive"
-;  V12 cse3         [V12,T09] (  4,  4.00)     int  ->   lr         hoist multi-def "CSE - aggressive"
-;  V13 cse4         [V13,T04] (  6,  7.04)     int  ->   r3         hoist multi-def "CSE - aggressive"
-;  V14 cse5         [V14,T13] (  2,  0.08)     int  ->   lr         hoist "CSE - conservative"
+;  V09 cse0         [V09,T12] (  2,  0.20)     ref  ->   r3         hoist "CSE - conservative"
+;  V10 cse1         [V10,T02] (  6, 21.80)     ref  ->   r2         hoist multi-def "CSE - aggressive"
+;  V11 cse2         [V11,T08] (  7,  4.58)   byref  ->   r6         hoist multi-def "CSE - aggressive"
+;  V12 cse3         [V12,T09] (  4,  4.00)     int  ->   r3         hoist multi-def "CSE - aggressive"
+;  V13 cse4         [V13,T04] (  6,  7.04)     int  ->   r5         hoist multi-def "CSE - aggressive"
+;  V14 cse5         [V14,T13] (  2,  0.08)     int  ->   r3         hoist "CSE - conservative"
 ;
 ; Lcl frame size = 4
 
@@ -32,119 +32,119 @@ G_M49643_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M49643_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r0]
             ldr     r0, [r0+0x04]
-            movs    r1, 1
+            movs    r4, 1
             cmp     r0, 0
             beq     SHORT G_M49643_IG11
-            ldr     r3, [r0+0x04]
-            cmp     r3, 100
+            ldr     r5, [r0+0x04]
+            cmp     r5, 100
             ble     SHORT G_M49643_IG11
-            add     r4, r0, 8
-            ; byrRegs +[r4]
+            add     r6, r0, 8
+            ; byrRegs +[r6]
                         ;; size=18 bbWeight=1 PerfScore 8.00
-G_M49643_IG03:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            movs    r2, 1
-            cmp     r3, r1
+G_M49643_IG03:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            movs    r1, 1
+            cmp     r5, r4
             bls     SHORT G_M49643_IG07
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
-G_M49643_IG04:        ; bbWeight=1.98, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            lsl     lr, r1, 2
-            ldr     r12, [r4+lr]
-            ; gcrRegs +[r12]
-            cmp     r12, 0
+G_M49643_IG04:        ; bbWeight=1.98, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            lsls    r3, r4, 2
+            ldr     r2, [r6+r3]
+            ; gcrRegs +[r2]
+            cmp     r2, 0
             beq     SHORT G_M49643_IG07
-            ldr     lr, [r12+0x04]
-            cmp     lr, 100
+            ldr     r3, [r2+0x04]
+            cmp     r3, 100
             ble     SHORT G_M49643_IG07
-                       ;; size=24 bbWeight=1.98 PerfScore 13.86
-G_M49643_IG05:        ; bbWeight=15.68, gcrefRegs=1001 {r0 r12}, byrefRegs=0010 {r4}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r5, r2, 2
-            movs    r6, 1
-            str     r6, [lr+r5]
-            adds    r2, r2, 1
-            cmp     r2, 100
-            ble     SHORT G_M49643_IG05
-                       ;; size=20 bbWeight=15.68 PerfScore 125.45
-G_M49643_IG06:        ; bbWeight=1.98, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
-            b       SHORT G_M49643_IG09
-                       ;; size=2 bbWeight=1.98 PerfScore 1.98
-G_M49643_IG07:        ; bbWeight=0.02, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref
+                       ;; size=14 bbWeight=1.98 PerfScore 13.86
+G_M49643_IG05:        ; bbWeight=15.68, gcrefRegs=0005 {r0 r2}, byrefRegs=0040 {r6}, byref, isz
+            mov     r3, r2
+            ; gcrRegs +[r3]
+            adds    r3, 8
+            ; gcrRegs -[r3]
+            ; byrRegs +[r3]
             lsl     lr, r1, 2
-            ldr     r12, [r4+lr]
-            ; gcrRegs +[r12]
-                       ;; size=8 bbWeight=0.02 PerfScore 0.04
-G_M49643_IG08:        ; bbWeight=0.16, gcrefRegs=1001 {r0 r12}, byrefRegs=0010 {r4}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            ldr     r5, [lr+0x04]
-            cmp     r2, r5
-            bhs     SHORT G_M49643_IG19
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r5, r2, 2
-            movs    r6, 1
-            str     r6, [lr+r5]
-            adds    r2, r2, 1
-            cmp     r2, 100
-            ble     SHORT G_M49643_IG08
-                       ;; size=28 bbWeight=0.16 PerfScore 1.74
-G_M49643_IG09:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
+            mov     r12, 1
+            str     r12, [r3+lr]
             adds    r1, r1, 1
             cmp     r1, 100
+            ble     SHORT G_M49643_IG05
+                       ;; size=22 bbWeight=15.68 PerfScore 125.45
+G_M49643_IG06:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r3]
+            b       SHORT G_M49643_IG09
+                       ;; size=2 bbWeight=3.96 PerfScore 3.96
+G_M49643_IG07:        ; bbWeight=0.02, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref
+            lsls    r3, r4, 2
+            ldr     r2, [r6+r3]
+            ; gcrRegs +[r2]
+                       ;; size=4 bbWeight=0.02 PerfScore 0.04
+G_M49643_IG08:        ; bbWeight=0.16, gcrefRegs=0005 {r0 r2}, byrefRegs=0040 {r6}, byref, isz
+            mov     r3, r2
+            ; gcrRegs +[r3]
+            ldr     lr, [r3+0x04]
+            cmp     r1, lr
+            bhs     SHORT G_M49643_IG19
+            adds    r3, 8
+            ; gcrRegs -[r3]
+            ; byrRegs +[r3]
+            lsl     lr, r1, 2
+            mov     r12, 1
+            str     r12, [r3+lr]
+            adds    r1, r1, 1
+            cmp     r1, 100
+            ble     SHORT G_M49643_IG08
+                       ;; size=30 bbWeight=0.16 PerfScore 1.74
+G_M49643_IG09:        ; bbWeight=3.96, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r3]
+            adds    r4, r4, 1
+            cmp     r4, 100
             ble     SHORT G_M49643_IG03
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
-G_M49643_IG10:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
+G_M49643_IG10:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
             b       SHORT G_M49643_IG14
                        ;; size=2 bbWeight=1 PerfScore 1.00
 G_M49643_IG11:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r4]
-            movs    r2, 1
-            ldr     r3, [r0+0x04]
-            add     r4, r0, 8
-            ; byrRegs +[r4]
+            ; byrRegs -[r6]
+            movs    r1, 1
+            ldr     r5, [r0+0x04]
+            add     r6, r0, 8
+            ; byrRegs +[r6]
+            lsls    r3, r4, 2
+            cmp     r4, r5
+            bhs     SHORT G_M49643_IG19
+            ldr     r3, [r6+r3]
+            ; gcrRegs +[r3]
+                       ;; size=16 bbWeight=0.04 PerfScore 0.28
+G_M49643_IG12:        ; bbWeight=0.16, gcrefRegs=0009 {r0 r3}, byrefRegs=0040 {r6}, byref, isz
+            mov     r2, r3
+            ; gcrRegs +[r2]
+            ldr     lr, [r2+0x04]
+            cmp     r1, lr
+            bhs     SHORT G_M49643_IG19
+            adds    r2, 8
+            ; gcrRegs -[r2]
+            ; byrRegs +[r2]
             lsl     lr, r1, 2
-            cmp     r1, r3
-            bhs     SHORT G_M49643_IG19
-            ldr     lr, [r4+lr]
-            ; gcrRegs +[lr]
-                       ;; size=20 bbWeight=0.04 PerfScore 0.28
-G_M49643_IG12:        ; bbWeight=0.16, gcrefRegs=4001 {r0 lr}, byrefRegs=0010 {r4}, byref, isz
-            mov     r12, lr
-            ; gcrRegs +[r12]
-            ldr     r5, [r12+0x04]
-            cmp     r2, r5
-            bhs     SHORT G_M49643_IG19
-            add     r12, r12, 8
-            ; gcrRegs -[r12]
-            ; byrRegs +[r12]
-            lsls    r5, r2, 2
-            movs    r6, 1
-            str     r6, [r12+r5]
-            adds    r2, r2, 1
-            cmp     r2, 100
-            ble     SHORT G_M49643_IG12
-                       ;; size=28 bbWeight=0.16 PerfScore 1.76
-G_M49643_IG13:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
-            ; gcrRegs -[lr]
-            ; byrRegs -[r12]
+            mov     r12, 1
+            str     r12, [r2+lr]
             adds    r1, r1, 1
             cmp     r1, 100
+            ble     SHORT G_M49643_IG12
+                       ;; size=30 bbWeight=0.16 PerfScore 1.76
+G_M49643_IG13:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
+            ; gcrRegs -[r3]
+            ; byrRegs -[r2]
+            adds    r4, r4, 1
+            cmp     r4, 100
             ble     SHORT G_M49643_IG11
                        ;; size=6 bbWeight=0.04 PerfScore 0.12
-G_M49643_IG14:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, byref, isz
+G_M49643_IG14:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, byref, isz
             movs    r1, 100
-            cmp     r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M49643_IG19
-            ldr     r1, [r4+0x190]
+            ldr     r1, [r6+0x190]
             ; gcrRegs +[r1]
             movs    r3, 100
             ldr     r2, [r1+0x04]
@@ -157,15 +157,15 @@ G_M49643_IG14:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, by
                        ;; size=26 bbWeight=1 PerfScore 11.00
 G_M49643_IG15:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             ; gcrRegs -[r0]
-            ; byrRegs -[r4]
+            ; byrRegs -[r6]
             movs    r0, 0
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M49643_IG16:        ; bbWeight=0.50, epilog, nogc, extend
             pop     {r3,r4,r5,r6,r11,pc}
                        ;; size=4 bbWeight=0.50 PerfScore 0.50
-G_M49643_IG17:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
+G_M49643_IG17:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0040 {r6}, gcvars, byref, isz
...

+20 (+50.00%) : 28372.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Canon,System.Canon]]):this (Tier1) 

@@ -16,13 +16,13 @@
 ;* V05 tmp2         [V05    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r0         single-def "V02.[000..004)"
-;* V09 cse0         [V09,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V10 rat0         [V10,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r3         single-def "V02.[000..004)"
+;  V09 cse0         [V09,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V10 rat0         [V10,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V11 rat1         [V11,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V12 rat2         [V12,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V12 rat2         [V12,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V13 rat3         [V13,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V14 rat4         [V14,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V14 rat4         [V14,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -36,19 +36,31 @@ G_M20412_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M20412_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x18]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x0C]
+            cmp     r3, 0
+            ldr     r3, [sp+0x18]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x10]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M20412_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -56,7 +68,7 @@ G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -68,7 +80,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+24 (+54.55%) : 23575.dasm - System.Collections.IterateFor`1[System.Canon]:ImmutableArray():System.Canon:this (Tier0-FullOpts) 

@@ -8,7 +8,7 @@
 ; 0 inlinees with PGO data; 2 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T01] (  3,  3   )     ref  ->  [sp+0x04]  this class-hnd single-def <System.Collections.IterateFor`1[System.__Canon]>
+;  V00 this         [V00,T01] (  4,  4   )     ref  ->  [sp+0x00]  this class-hnd single-def <System.Collections.IterateFor`1[System.__Canon]>
 ;  V01 loc0         [V01,T02] (  3,  6   )     ref  ->   r3         ld-addr-op class-hnd <System.__Canon>
 ;* V02 loc1         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1[System.__Canon]>
 ;  V03 loc2         [V03,T00] (  5, 17   )     int  ->   r1        
@@ -19,31 +19,37 @@
 ;* V08 cse0         [V08,T09] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
 ;  V09 cse1         [V09,T03] (  3,  6   )     int  ->   lr         "CSE - aggressive"
 ;  V10 cse2         [V10,T05] (  2,  5   )   byref  ->   r2         hoist "CSE - aggressive"
-;* V11 rat0         [V11,T06] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V11 rat0         [V11,T06] (  2,  4   )     int  ->   lr         "Spilling to split statement for tree"
 ;* V12 rat1         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat2         [V13,T04] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat2         [V13,T04] (  2,  4   )     int  ->   lr         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 8
 
 G_M3722_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
             push    {r2,r3,r11,lr}
             add     r11, sp, 8
-                       ;; size=8 bbWeight=1 PerfScore 2.00
+            str     r0, [r11-0x04]
+                       ;; size=12 bbWeight=1 PerfScore 3.00
 G_M3722_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r0]
             movs    r3, 0
-            str     r0, [sp+0x04]
-            ; GC ptr vars +{V00}
             ldr     r2, [r0+0x1C]
             ; gcrRegs +[r2]
             movs    r1, 0
+            str     r0, [sp]
+            ; GC ptr vars +{V00}
+            ldr     lr, [r0]
+            ldr     lr, [lr+0x24]
+            ldr     lr, [lr]
+            ldr     lr, [lr+0x10]
+            cmp     lr, 0
             ldr     lr, [r2+0x04]
             cmp     lr, 0
             ble     SHORT G_M3722_IG04
             adds    r2, 8
             ; gcrRegs -[r2]
             ; byrRegs +[r2]
-                      ;; size=20 bbWeight=1 PerfScore 8.00
+                      ;; size=40 bbWeight=1 PerfScore 13.00
 G_M3722_IG03:        ; bbWeight=4, gcVars=00000002 {V00}, gcrefRegs=0000 {}, byrefRegs=0004 {r2}, gcvars, byref, isz
             ; gcrRegs -[r0]
             lsls    r3, r1, 2
@@ -62,7 +68,7 @@ G_M3722_IG05:        ; bbWeight=1, epilog, nogc, extend
             pop     {r2,r3,r11,pc}
                        ;; size=4 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 44, prolog size 8, PerfScore 32.00, instruction count 17, allocated bytes for code 44 (MethodHash=877ef175) for method System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
+; Total bytes of code 68, prolog size 12, PerfScore 38.00, instruction count 23, allocated bytes for code 68 (MethodHash=877ef175) for method System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -74,7 +80,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 22 (0x00016) Actual length = 44 (0x00002c)
+  Function Length   : 34 (0x00022) Actual length = 68 (0x000044)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

+8 (+66.67%) : 38903.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (Tier1) 

@@ -15,9 +15,9 @@
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V06 tmp5         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02.m_task (fldOffset=0x0)" P-INDEP
-;* V07 rat0         [V07,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 rat0         [V07,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V08 rat1         [V08,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V09 rat2         [V09,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V09 rat2         [V09,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -29,13 +29,17 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x20]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -47,7 +51,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

coreclr_tests.run.linux.arm.checked.mch

-26 (-7.83%) : 338554.dasm - Benchstone.BenchF.SqMtx:Bench():ubyte (Tier0-FullOpts) 

@@ -9,23 +9,23 @@
 ;
 ;  V00 loc0         [V00,T06] (  7,  5.08)     ref  ->   r4         class-hnd single-def <double[][]>
 ;  V01 loc1         [V01,T07] (  4,  4   )     ref  ->   r5         class-hnd single-def <double[][]>
-;  V02 loc2         [V02,T02] ( 15, 35.04)     int  ->   r0        
-;  V03 loc3         [V03,T00] ( 19, 84.32)     int  ->   r3        
+;  V02 loc2         [V02,T02] ( 15, 35.04)     int  ->   r6        
+;  V03 loc3         [V03,T00] ( 19, 84.32)     int  ->   r0        
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V05 tmp1         [V05,T01] (  8, 64.64)     ref  ->   lr         "arr expr"
+;  V05 tmp1         [V05,T01] (  8, 64.64)     ref  ->  registers   "arr expr"
 ;  V06 tmp2         [V06,T05] (  3,  6   )     ref  ->   r0         single-def "arr expr"
 ;  V07 cse0         [V07,T10] (  2,  0.20)     ref  ->   r1         hoist "CSE - conservative"
-;  V08 cse1         [V08,T03] (  6, 21.80)     ref  ->  r12         hoist multi-def "CSE - aggressive"
-;  V09 cse2         [V09,T09] (  5,  3.08)   byref  ->   r2         hoist multi-def "CSE - aggressive"
-;  V10 cse3         [V10,T08] (  4,  4.00)     int  ->   lr         hoist multi-def "CSE - aggressive"
-;  V11 cse4         [V11,T04] (  5,  6.04)     int  ->   r1         hoist multi-def "CSE - aggressive"
-;  V12 cse5         [V12,T11] (  2,  0.08)     int  ->   lr         hoist "CSE - conservative"
+;  V08 cse1         [V08,T03] (  6, 21.80)     ref  ->   r2         hoist multi-def "CSE - aggressive"
+;  V09 cse2         [V09,T09] (  5,  3.08)   byref  ->   r8         hoist multi-def "CSE - aggressive"
+;  V10 cse3         [V10,T08] (  4,  4.00)     int  ->   r1         hoist multi-def "CSE - aggressive"
+;  V11 cse4         [V11,T04] (  5,  6.04)     int  ->   r7         hoist multi-def "CSE - aggressive"
+;  V12 cse5         [V12,T11] (  2,  0.08)     int  ->   r1         hoist "CSE - conservative"
 ;
 ; Lcl frame size = 4
 
 G_M31008_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r3,r4,r5,r6,r11,lr}
-            add     r11, sp, 16
+            push    {r3,r4,r5,r6,r7,r8,r11,lr}
+            add     r11, sp, 24
                         ;; size=8 bbWeight=1 PerfScore 2.00
 G_M31008_IG02:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
             movs    r0, 41
@@ -49,123 +49,123 @@ G_M31008_IG02:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
             ; gcr arg pop 0
             mov     r5, r0
             ; gcrRegs +[r5]
-            movs    r0, 1
-            ; gcrRegs -[r0]
+            movs    r6, 1
             cmp     r4, 0
             beq     SHORT G_M31008_IG11
-            ldr     r1, [r4+0x04]
-            cmp     r1, 40
+            ldr     r7, [r4+0x04]
+            cmp     r7, 40
             ble     SHORT G_M31008_IG11
-            add     r2, r4, 8
-            ; byrRegs +[r2]
+            add     r8, r4, 8
+            ; byrRegs +[r8]
                         ;; size=52 bbWeight=1 PerfScore 21.00
-G_M31008_IG03:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            movs    r3, 1
-            cmp     r1, r0
+G_M31008_IG03:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            ; gcrRegs -[r0]
+            movs    r0, 1
+            cmp     r7, r6
             bls     SHORT G_M31008_IG07
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
-G_M31008_IG04:        ; bbWeight=1.98, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            lsl     lr, r0, 2
-            ldr     r12, [r2+lr]
-            ; gcrRegs +[r12]
-            cmp     r12, 0
+G_M31008_IG04:        ; bbWeight=1.98, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            lsls    r1, r6, 2
+            ldr     r2, [r8+r1]
+            ; gcrRegs +[r2]
+            cmp     r2, 0
             beq     SHORT G_M31008_IG07
-            ldr     lr, [r12+0x04]
-            cmp     lr, 40
+            ldr     r1, [r2+0x04]
+            cmp     r1, 40
             ble     SHORT G_M31008_IG07
-                        ;; size=24 bbWeight=1.98 PerfScore 13.86
-G_M31008_IG05:        ; bbWeight=15.68, gcrefRegs=1030 {r4 r5 r12}, byrefRegs=0004 {r2}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r6, r3, 3
-            add     lr, r6
-            adds    r6, r0, r3
-            vmov.i2f s8, r6
+                      ;; size=16 bbWeight=1.98 PerfScore 13.86
+G_M31008_IG05:        ; bbWeight=15.68, gcrefRegs=0034 {r2 r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            mov     r1, r2
+            ; gcrRegs +[r1]
+            adds    r1, 8
+            ; gcrRegs -[r1]
+            ; byrRegs +[r1]
+            lsls    r3, r0, 3
+            adds    r1, r1, r3
+            adds    r3, r6, r0
+            vmov.i2f s8, r3
             vcvt.i2d d4, s8
-            vstr    d4, [lr]
-            adds    r3, r3, 1
-            cmp     r3, 40
-            ble     SHORT G_M31008_IG05
-                       ;; size=30 bbWeight=15.68 PerfScore 172.50
-G_M31008_IG06:        ; bbWeight=1.98, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
-            b       SHORT G_M31008_IG09
-                       ;; size=2 bbWeight=1.98 PerfScore 1.98
-G_M31008_IG07:        ; bbWeight=0.02, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref
-            lsl     lr, r0, 2
-            ldr     r12, [r2+lr]
-            ; gcrRegs +[r12]
-                       ;; size=8 bbWeight=0.02 PerfScore 0.04
-G_M31008_IG08:        ; bbWeight=0.16, gcrefRegs=1030 {r4 r5 r12}, byrefRegs=0004 {r2}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            ldr     r6, [lr+0x04]
-            cmp     r3, r6
-            bhs     SHORT G_M31008_IG19
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r6, r3, 3
-            add     lr, r6
-            adds    r6, r0, r3
-            vmov.i2f s8, r6
-            vcvt.i2d d4, s8
-            vstr    d4, [lr]
-            adds    r3, r3, 1
-            cmp     r3, 40
-            ble     SHORT G_M31008_IG08
-                       ;; size=38 bbWeight=0.16 PerfScore 2.22
-G_M31008_IG09:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
+            vstr    d4, [r1]
             adds    r0, r0, 1
             cmp     r0, 40
+            ble     SHORT G_M31008_IG05
+                       ;; size=28 bbWeight=15.68 PerfScore 172.50
+G_M31008_IG06:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r1]
+            b       SHORT G_M31008_IG09
+                       ;; size=2 bbWeight=3.96 PerfScore 3.96
+G_M31008_IG07:        ; bbWeight=0.02, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref
+            lsls    r1, r6, 2
+            ldr     r2, [r8+r1]
+            ; gcrRegs +[r2]
+                       ;; size=6 bbWeight=0.02 PerfScore 0.04
+G_M31008_IG08:        ; bbWeight=0.16, gcrefRegs=0034 {r2 r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            mov     r1, r2
+            ; gcrRegs +[r1]
+            ldr     r3, [r1+0x04]
+            cmp     r0, r3
+            bhs     SHORT G_M31008_IG19
+            adds    r1, 8
+            ; gcrRegs -[r1]
+            ; byrRegs +[r1]
+            lsls    r3, r0, 3
+            adds    r1, r1, r3
+            adds    r3, r6, r0
+            vmov.i2f s8, r3
+            vcvt.i2d d4, s8
+            vstr    d4, [r1]
+            adds    r0, r0, 1
+            cmp     r0, 40
+            ble     SHORT G_M31008_IG08
+                       ;; size=34 bbWeight=0.16 PerfScore 2.22
+G_M31008_IG09:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r1]
+            adds    r6, r6, 1
+            cmp     r6, 40
             ble     SHORT G_M31008_IG03
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
 G_M31008_IG10:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r2]
+            ; byrRegs -[r8]
             b       SHORT G_M31008_IG14
                        ;; size=2 bbWeight=1 PerfScore 1.00
 G_M31008_IG11:        ; bbWeight=0.04, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            movs    r3, 1
-            ldr     r1, [r4+0x04]
-            add     r2, r4, 8
-            ; byrRegs +[r2]
-            lsl     lr, r0, 2
-            cmp     r0, r1
+            movs    r0, 1
+            ldr     r7, [r4+0x04]
+            add     r8, r4, 8
+            ; byrRegs +[r8]
+            lsls    r1, r6, 2
+            cmp     r6, r7
             bhs     SHORT G_M31008_IG19
-            ldr     r1, [r2+lr]
+            ldr     r1, [r8+r1]
             ; gcrRegs +[r1]
-                       ;; size=20 bbWeight=0.04 PerfScore 0.28
+                       ;; size=18 bbWeight=0.04 PerfScore 0.28
 G_M31008_IG12:        ; bbWeight=0.16, gcrefRegs=0032 {r1 r4 r5}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r2]
-            mov     lr, r1
-            ; gcrRegs +[lr]
-            ldr     r2, [lr+0x04]
-            cmp     r3, r2
+            ; byrRegs -[r8]
+            mov     r2, r1
+            ; gcrRegs +[r2]
+            ldr     r3, [r2+0x04]
+            cmp     r0, r3
             bhs     SHORT G_M31008_IG19
-            add     r2, lr, 8
+            adds    r2, 8
+            ; gcrRegs -[r2]
             ; byrRegs +[r2]
-            lsl     lr, r3, 3
-            ; gcrRegs -[lr]
-            add     r2, lr
-            add     lr, r0, r3
-            vmov.i2f s8, lr
+            lsls    r3, r0, 3
+            adds    r2, r2, r3
+            adds    r3, r6, r0
+            vmov.i2f s8, r3
             vcvt.i2d d4, s8
             vstr    d4, [r2]
-            adds    r3, r3, 1
-            cmp     r3, 40
+            adds    r0, r0, 1
+            cmp     r0, 40
             ble     SHORT G_M31008_IG12
-                        ;; size=42 bbWeight=0.16 PerfScore 2.24
+                       ;; size=34 bbWeight=0.16 PerfScore 2.24
 G_M31008_IG13:        ; bbWeight=0.04, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs -[r1]
             ; byrRegs -[r2]
-            adds    r0, r0, 1
-            cmp     r0, 40
+            adds    r6, r6, 1
+            cmp     r6, 40
             ble     SHORT G_M31008_IG11
                        ;; size=6 bbWeight=0.04 PerfScore 0.12
 G_M31008_IG14:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
@@ -205,13 +205,13 @@ G_M31008_IG15:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byr
             movs    r0, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
...

-26 (-7.83%) : 117336.dasm - Benchstone.BenchF.SqMtx:Bench():ubyte (FullOpts) 

@@ -9,23 +9,23 @@
 ;
 ;  V00 loc0         [V00,T06] (  7,  5.08)     ref  ->   r4         class-hnd single-def <double[][]>
 ;  V01 loc1         [V01,T07] (  4,  4   )     ref  ->   r5         class-hnd single-def <double[][]>
-;  V02 loc2         [V02,T02] ( 15, 35.04)     int  ->   r0        
-;  V03 loc3         [V03,T00] ( 19, 84.32)     int  ->   r3        
+;  V02 loc2         [V02,T02] ( 15, 35.04)     int  ->   r6        
+;  V03 loc3         [V03,T00] ( 19, 84.32)     int  ->   r0        
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V05 tmp1         [V05,T01] (  8, 64.64)     ref  ->   lr         "arr expr"
+;  V05 tmp1         [V05,T01] (  8, 64.64)     ref  ->  registers   "arr expr"
 ;  V06 tmp2         [V06,T05] (  3,  6   )     ref  ->   r0         single-def "arr expr"
 ;  V07 cse0         [V07,T10] (  2,  0.20)     ref  ->   r1         hoist "CSE - conservative"
-;  V08 cse1         [V08,T03] (  6, 21.80)     ref  ->  r12         hoist multi-def "CSE - aggressive"
-;  V09 cse2         [V09,T09] (  5,  3.08)   byref  ->   r2         hoist multi-def "CSE - aggressive"
-;  V10 cse3         [V10,T08] (  4,  4.00)     int  ->   lr         hoist multi-def "CSE - aggressive"
-;  V11 cse4         [V11,T04] (  5,  6.04)     int  ->   r1         hoist multi-def "CSE - aggressive"
-;  V12 cse5         [V12,T11] (  2,  0.08)     int  ->   lr         hoist "CSE - conservative"
+;  V08 cse1         [V08,T03] (  6, 21.80)     ref  ->   r2         hoist multi-def "CSE - aggressive"
+;  V09 cse2         [V09,T09] (  5,  3.08)   byref  ->   r8         hoist multi-def "CSE - aggressive"
+;  V10 cse3         [V10,T08] (  4,  4.00)     int  ->   r1         hoist multi-def "CSE - aggressive"
+;  V11 cse4         [V11,T04] (  5,  6.04)     int  ->   r7         hoist multi-def "CSE - aggressive"
+;  V12 cse5         [V12,T11] (  2,  0.08)     int  ->   r1         hoist "CSE - conservative"
 ;
 ; Lcl frame size = 4
 
 G_M31008_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r3,r4,r5,r6,r11,lr}
-            add     r11, sp, 16
+            push    {r3,r4,r5,r6,r7,r8,r11,lr}
+            add     r11, sp, 24
                         ;; size=8 bbWeight=1 PerfScore 2.00
 G_M31008_IG02:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
             movs    r0, 41
@@ -49,123 +49,123 @@ G_M31008_IG02:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
             ; gcr arg pop 0
             mov     r5, r0
             ; gcrRegs +[r5]
-            movs    r0, 1
-            ; gcrRegs -[r0]
+            movs    r6, 1
             cmp     r4, 0
             beq     SHORT G_M31008_IG11
-            ldr     r1, [r4+0x04]
-            cmp     r1, 40
+            ldr     r7, [r4+0x04]
+            cmp     r7, 40
             ble     SHORT G_M31008_IG11
-            add     r2, r4, 8
-            ; byrRegs +[r2]
+            add     r8, r4, 8
+            ; byrRegs +[r8]
                         ;; size=52 bbWeight=1 PerfScore 21.00
-G_M31008_IG03:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            movs    r3, 1
-            cmp     r1, r0
+G_M31008_IG03:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            ; gcrRegs -[r0]
+            movs    r0, 1
+            cmp     r7, r6
             bls     SHORT G_M31008_IG07
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
-G_M31008_IG04:        ; bbWeight=1.98, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            lsl     lr, r0, 2
-            ldr     r12, [r2+lr]
-            ; gcrRegs +[r12]
-            cmp     r12, 0
+G_M31008_IG04:        ; bbWeight=1.98, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            lsls    r1, r6, 2
+            ldr     r2, [r8+r1]
+            ; gcrRegs +[r2]
+            cmp     r2, 0
             beq     SHORT G_M31008_IG07
-            ldr     lr, [r12+0x04]
-            cmp     lr, 40
+            ldr     r1, [r2+0x04]
+            cmp     r1, 40
             ble     SHORT G_M31008_IG07
-                        ;; size=24 bbWeight=1.98 PerfScore 13.86
-G_M31008_IG05:        ; bbWeight=15.68, gcrefRegs=1030 {r4 r5 r12}, byrefRegs=0004 {r2}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r6, r3, 3
-            add     lr, r6
-            adds    r6, r0, r3
-            vmov.i2f s8, r6
+                      ;; size=16 bbWeight=1.98 PerfScore 13.86
+G_M31008_IG05:        ; bbWeight=15.68, gcrefRegs=0034 {r2 r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            mov     r1, r2
+            ; gcrRegs +[r1]
+            adds    r1, 8
+            ; gcrRegs -[r1]
+            ; byrRegs +[r1]
+            lsls    r3, r0, 3
+            adds    r1, r1, r3
+            adds    r3, r6, r0
+            vmov.i2f s8, r3
             vcvt.i2d d4, s8
-            vstr    d4, [lr]
-            adds    r3, r3, 1
-            cmp     r3, 40
-            ble     SHORT G_M31008_IG05
-                       ;; size=30 bbWeight=15.68 PerfScore 172.50
-G_M31008_IG06:        ; bbWeight=1.98, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
-            b       SHORT G_M31008_IG09
-                       ;; size=2 bbWeight=1.98 PerfScore 1.98
-G_M31008_IG07:        ; bbWeight=0.02, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref
-            lsl     lr, r0, 2
-            ldr     r12, [r2+lr]
-            ; gcrRegs +[r12]
-                       ;; size=8 bbWeight=0.02 PerfScore 0.04
-G_M31008_IG08:        ; bbWeight=0.16, gcrefRegs=1030 {r4 r5 r12}, byrefRegs=0004 {r2}, byref, isz
-            mov     lr, r12
-            ; gcrRegs +[lr]
-            ldr     r6, [lr+0x04]
-            cmp     r3, r6
-            bhs     SHORT G_M31008_IG19
-            add     lr, lr, 8
-            ; gcrRegs -[lr]
-            ; byrRegs +[lr]
-            lsls    r6, r3, 3
-            add     lr, r6
-            adds    r6, r0, r3
-            vmov.i2f s8, r6
-            vcvt.i2d d4, s8
-            vstr    d4, [lr]
-            adds    r3, r3, 1
-            cmp     r3, 40
-            ble     SHORT G_M31008_IG08
-                       ;; size=38 bbWeight=0.16 PerfScore 2.22
-G_M31008_IG09:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0004 {r2}, byref, isz
-            ; gcrRegs -[r12]
-            ; byrRegs -[lr]
+            vstr    d4, [r1]
             adds    r0, r0, 1
             cmp     r0, 40
+            ble     SHORT G_M31008_IG05
+                       ;; size=28 bbWeight=15.68 PerfScore 172.50
+G_M31008_IG06:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r1]
+            b       SHORT G_M31008_IG09
+                       ;; size=2 bbWeight=3.96 PerfScore 3.96
+G_M31008_IG07:        ; bbWeight=0.02, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref
+            lsls    r1, r6, 2
+            ldr     r2, [r8+r1]
+            ; gcrRegs +[r2]
+                       ;; size=6 bbWeight=0.02 PerfScore 0.04
+G_M31008_IG08:        ; bbWeight=0.16, gcrefRegs=0034 {r2 r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            mov     r1, r2
+            ; gcrRegs +[r1]
+            ldr     r3, [r1+0x04]
+            cmp     r0, r3
+            bhs     SHORT G_M31008_IG19
+            adds    r1, 8
+            ; gcrRegs -[r1]
+            ; byrRegs +[r1]
+            lsls    r3, r0, 3
+            adds    r1, r1, r3
+            adds    r3, r6, r0
+            vmov.i2f s8, r3
+            vcvt.i2d d4, s8
+            vstr    d4, [r1]
+            adds    r0, r0, 1
+            cmp     r0, 40
+            ble     SHORT G_M31008_IG08
+                       ;; size=34 bbWeight=0.16 PerfScore 2.22
+G_M31008_IG09:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0100 {r8}, byref, isz
+            ; gcrRegs -[r2]
+            ; byrRegs -[r1]
+            adds    r6, r6, 1
+            cmp     r6, 40
             ble     SHORT G_M31008_IG03
                        ;; size=6 bbWeight=3.96 PerfScore 11.88
 G_M31008_IG10:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r2]
+            ; byrRegs -[r8]
             b       SHORT G_M31008_IG14
                        ;; size=2 bbWeight=1 PerfScore 1.00
 G_M31008_IG11:        ; bbWeight=0.04, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            movs    r3, 1
-            ldr     r1, [r4+0x04]
-            add     r2, r4, 8
-            ; byrRegs +[r2]
-            lsl     lr, r0, 2
-            cmp     r0, r1
+            movs    r0, 1
+            ldr     r7, [r4+0x04]
+            add     r8, r4, 8
+            ; byrRegs +[r8]
+            lsls    r1, r6, 2
+            cmp     r6, r7
             bhs     SHORT G_M31008_IG19
-            ldr     r1, [r2+lr]
+            ldr     r1, [r8+r1]
             ; gcrRegs +[r1]
-                       ;; size=20 bbWeight=0.04 PerfScore 0.28
+                       ;; size=18 bbWeight=0.04 PerfScore 0.28
 G_M31008_IG12:        ; bbWeight=0.16, gcrefRegs=0032 {r1 r4 r5}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[r2]
-            mov     lr, r1
-            ; gcrRegs +[lr]
-            ldr     r2, [lr+0x04]
-            cmp     r3, r2
+            ; byrRegs -[r8]
+            mov     r2, r1
+            ; gcrRegs +[r2]
+            ldr     r3, [r2+0x04]
+            cmp     r0, r3
             bhs     SHORT G_M31008_IG19
-            add     r2, lr, 8
+            adds    r2, 8
+            ; gcrRegs -[r2]
             ; byrRegs +[r2]
-            lsl     lr, r3, 3
-            ; gcrRegs -[lr]
-            add     r2, lr
-            add     lr, r0, r3
-            vmov.i2f s8, lr
+            lsls    r3, r0, 3
+            adds    r2, r2, r3
+            adds    r3, r6, r0
+            vmov.i2f s8, r3
             vcvt.i2d d4, s8
             vstr    d4, [r2]
-            adds    r3, r3, 1
-            cmp     r3, 40
+            adds    r0, r0, 1
+            cmp     r0, 40
             ble     SHORT G_M31008_IG12
-                        ;; size=42 bbWeight=0.16 PerfScore 2.24
+                       ;; size=34 bbWeight=0.16 PerfScore 2.24
 G_M31008_IG13:        ; bbWeight=0.04, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs -[r1]
             ; byrRegs -[r2]
-            adds    r0, r0, 1
-            cmp     r0, 40
+            adds    r6, r6, 1
+            cmp     r6, 40
             ble     SHORT G_M31008_IG11
                        ;; size=6 bbWeight=0.04 PerfScore 0.12
 G_M31008_IG14:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
@@ -205,13 +205,13 @@ G_M31008_IG15:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byr
             movs    r0, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
...

-44 (-6.96%) : 325140.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.Canon]:MergeWithGlobalList(System.Canon[]):this (Tier1) 

@@ -10,15 +10,15 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T12] (  8,  6.50)     ref  ->   r5         this class-hnd single-def <System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]>
-;  V01 arg1         [V01,T01] (  8,457.30)     ref  ->   r4         class-hnd single-def <System.__Canon[]>
-;  V02 loc0         [V02,T06] ( 17, 72.79)     ref  ->   r6         class-hnd <System.__Canon[]>
-;  V03 loc1         [V03,T08] (  6, 62.13)     int  ->   r7        
+;  V01 arg1         [V01,T04] (  8, 63.55)     ref  ->   r4         class-hnd single-def <System.__Canon[]>
+;  V02 loc0         [V02,T03] ( 17, 72.79)     ref  ->   r6         class-hnd <System.__Canon[]>
+;  V03 loc1         [V03,T07] (  5, 62.13)     int  ->   r7        
 ;  V04 loc2         [V04,T11] (  9, 15.83)     int  ->   r8        
-;  V05 loc3         [V05,T02] (  6,458.93)     int  ->   r9        
-;  V06 loc4         [V06,T07] (  9, 62.91)     ref  ->  r10         class-hnd <System.__Canon>
-;  V07 loc5         [V07,T03] (  3,454.07)   ubyte  ->  [sp+0x10] 
-;  V08 loc6         [V08,T04] ( 14,236.01)     int  ->  [sp+0x0C] 
-;  V09 loc7         [V09,T00] ( 10,678   )     ref  ->  [sp+0x00]  class-hnd <System.__Canon>
+;  V05 loc3         [V05,T05] (  6, 65.18)     int  ->   r9        
+;  V06 loc4         [V06,T06] (  9, 62.91)     ref  ->  r10         class-hnd <System.__Canon>
+;  V07 loc5         [V07,T08] (  3, 60.32)   ubyte  ->  [sp+0x10] 
+;  V08 loc6         [V08,T01] ( 11,236.01)     int  ->  [sp+0x0C] 
+;  V09 loc7         [V09,T00] ( 10,284.25)     ref  ->  [sp+0x00]  class-hnd <System.__Canon>
 ;  V10 loc8         [V10,T20] (  3,  0.47)     int  ->  [sp+0x08] 
 ;  V11 loc9         [V11    ] (  3,  0.70)     ref  ->  [sp+0x04]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.__Canon[]>
 ;# V12 OutArgs      [V12    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
@@ -27,19 +27,19 @@
 ;* V15 tmp3         [V15    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "guarded devirt this exact temp" <System.Reflection.RuntimeMethodInfo>
 ;* V16 tmp4         [V16    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V17 tmp5         [V17    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "spilling QMark2" <System.Reflection.RuntimeMethodInfo>
-;* V18 tmp6         [V18,T05] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inline stloc first use temp" <System.Reflection.RuntimeMethodInfo>
-;  V19 tmp7         [V19,T19] (  4,  0.65)     int  ->   r2         "Inline return value spill temp"
-;  V20 tmp8         [V20,T15] (  3,  1.03)     int  ->   r2         "Inlining Arg"
+;* V18 tmp6         [V18,T02] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inline stloc first use temp" <System.Reflection.RuntimeMethodInfo>
+;  V19 tmp7         [V19,T19] (  4,  0.65)     int  ->   r3         "Inline return value spill temp"
+;  V20 tmp8         [V20,T15] (  3,  1.03)     int  ->   r3         "Inlining Arg"
 ;  V21 tmp9         [V21,T21] (  3,  0.47)     int  ->  registers   "Inline return value spill temp"
-;  V22 tmp10        [V22,T16] (  3,  1.03)     int  ->   lr         "Inlining Arg"
+;  V22 tmp10        [V22,T16] (  3,  1.03)     int  ->   r2         "Inlining Arg"
 ;* V23 tmp11        [V23    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V24 tmp12        [V24    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon>
 ;  V25 tmp13        [V25,T18] (  2,  0.93)     int  ->   r0         "argument with side effect"
-;  V26 cse0         [V26,T09] (  6, 59.41)     int  ->   r1         multi-def "CSE - aggressive"
+;  V26 cse0         [V26,T09] (  6, 59.41)     int  ->  registers   multi-def "CSE - aggressive"
 ;  V27 cse1         [V27,T10] (  3, 24.40)     ref  ->   r1         "CSE - aggressive"
 ;  V28 rat0         [V28,T14] (  3,  1.03)     int  ->   r0         "Spilling to split statement for tree"
 ;  V29 rat1         [V29,T17] (  3,  0.93)     int  ->   r0         "runtime lookup"
-;  V30 rat2         [V30,T13] (  3,  1.31)     int  ->   r3         "fgMakeTemp is creating a new local variable"
+;  V30 rat2         [V30,T13] (  3,  1.31)     int  ->  r12         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 28
 
@@ -59,7 +59,7 @@ G_M8298_IG02:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, by
             ldr     r6, [r5+0x04]
             ; gcrRegs +[r6]
             cmp     r6, 0
-            beq     SHORT G_M8298_IG11
+            beq     SHORT G_M8298_IG10
                       ;; size=6 bbWeight=1 PerfScore 3.00
 G_M8298_IG03:        ; bbWeight=0.80, gcrefRegs=0070 {r4 r5 r6}, byrefRegs=0000 {}, byref, isz
             ldr     r7, [r6+0x04]
@@ -67,7 +67,7 @@ G_M8298_IG03:        ; bbWeight=0.80, gcrefRegs=0070 {r4 r5 r6}, byrefRegs=0000
             mov     r9, 0
             ldr     r0, [r4+0x04]
             cmp     r0, 0
-            ble     G_M8298_IG21
+            ble     G_M8298_IG25
                       ;; size=18 bbWeight=0.80 PerfScore 4.80
 G_M8298_IG04:        ; bbWeight=2.03, gcrefRegs=0070 {r4 r5 r6}, byrefRegs=0000 {}, byref, isz
             add     r0, r4, 8
@@ -78,57 +78,53 @@ G_M8298_IG04:        ; bbWeight=2.03, gcrefRegs=0070 {r4 r5 r6}, byrefRegs=0000
             movs    r3, 0
             mov     lr, 0
             cmp     r7, 0
-            ble     SHORT G_M8298_IG10
+            ble     SHORT G_M8298_IG18
                       ;; size=22 bbWeight=2.03 PerfScore 14.23
 G_M8298_IG05:        ; bbWeight=1.02, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
             ; byrRegs -[r0]
             cmp     r6, 0
-            beq     G_M8298_IG31
+            beq     SHORT G_M8298_IG15
             cmp     r10, 0
-            beq     G_M8298_IG31
+            beq     SHORT G_M8298_IG15
             ldr     r0, [r10]
-            movw    r1, 0xd1ff
-            movt    r1, 0xd1ff
-            cmp     r0, r1
-            bne     G_M8298_IG31
+            movw    r12, 0xd1ff
+            movt    r12, 0xd1ff
+            cmp     r0, r12
+            bne     SHORT G_M8298_IG15
             ldr     r0, [r6+0x04]
             cmp     r0, r7
-            blt     G_M8298_IG31
-                       ;; size=40 bbWeight=1.02 PerfScore 12.20
+            blt     SHORT G_M8298_IG15
+                       ;; size=32 bbWeight=1.02 PerfScore 12.20
 G_M8298_IG06:        ; bbWeight=57.17, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
             add     r0, r6, 8
             ; byrRegs +[r0]
-            lsl     r2, lr, 2
-            ldr     r12, [r0+r2]
-            ; gcrRegs +[r12]
-            cmp     r12, 0
-            beq     SHORT G_M8298_IG09
-                       ;; size=18 bbWeight=57.17 PerfScore 285.86
-G_M8298_IG07:        ; bbWeight=55.69, gcrefRegs=1470 {r4 r5 r6 r10 r12}, byrefRegs=0000 {}, byref, isz
+            lsl     r1, lr, 2
+            ldr     r2, [r0+r1]
+            ; gcrRegs +[r2]
+            cmp     r2, 0
+            beq     SHORT G_M8298_IG18
+                       ;; size=14 bbWeight=57.17 PerfScore 285.86
+G_M8298_IG07:        ; bbWeight=55.69, gcrefRegs=0474 {r2 r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
             ; byrRegs -[r0]
-            ldr     r0, [r12]
+            ldr     r0, [r2]
+            cmp     r0, r12
+            bne     SHORT G_M8298_IG13
+            ldr     r0, [r2+0x28]
+            ldr     r1, [r10+0x28]
             cmp     r0, r1
-            bne     SHORT G_M8298_IG23
-            ldr     r0, [r12+0x28]
-            ldr     r2, [r10+0x28]
-            cmp     r0, r2
-            bne     SHORT G_M8298_IG23
-                       ;; size=20 bbWeight=55.69 PerfScore 389.81
-G_M8298_IG08:        ; bbWeight=450, gcrefRegs=1470 {r4 r5 r6 r10 r12}, byrefRegs=0000 {}, byref, isz
-            str     lr, [sp+0x0C]
+            beq     SHORT G_M8298_IG09
+                       ;; size=16 bbWeight=55.69 PerfScore 389.81
+G_M8298_IG08:        ; bbWeight=57.70, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
+            ; gcrRegs -[r2]
             b       SHORT G_M8298_IG13
-                        ;; size=6 bbWeight=450 PerfScore 900.00
-G_M8298_IG09:        ; bbWeight=28.59, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
-            ; gcrRegs -[r12]
+                     ;; size=2 bbWeight=57.70 PerfScore 57.70
+G_M8298_IG09:        ; bbWeight=27.84, gcrefRegs=0474 {r2 r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
+            ; gcrRegs +[r2]
             str     lr, [sp+0x0C]
-            b       SHORT G_M8298_IG14
-                       ;; size=6 bbWeight=28.59 PerfScore 57.17
-G_M8298_IG10:        ; bbWeight=1.02, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
-            str     lr, [sp+0x0C]
-            b       SHORT G_M8298_IG14
-                       ;; size=6 bbWeight=1.02 PerfScore 2.03
-G_M8298_IG11:        ; bbWeight=0.20, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref
-            ; gcrRegs -[r6 r10]
+            b       SHORT G_M8298_IG12
+                       ;; size=6 bbWeight=27.84 PerfScore 55.69
+G_M8298_IG10:        ; bbWeight=0.20, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref
+            ; gcrRegs -[r2 r6 r10]
             adds    r0, r5, 4
             ; byrRegs +[r0]
             mov     r1, r4
@@ -139,43 +135,92 @@ G_M8298_IG11:        ; bbWeight=0.20, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {},
             ; gcrRegs -[r1 r4]
             ; byrRegs -[r0]
                        ;; size=14 bbWeight=0.20 PerfScore 1.00
-G_M8298_IG12:        ; bbWeight=0.20, epilog, nogc, extend
+G_M8298_IG11:        ; bbWeight=0.20, epilog, nogc, extend
             add     sp, 28
             pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                        ;; size=6 bbWeight=0.20 PerfScore 0.40
-G_M8298_IG13:        ; bbWeight=450, gcVars=00000000 {}, gcrefRegs=1470 {r4 r5 r6 r10 r12}, byrefRegs=0000 {}, gcvars, byref
-            ; gcrRegs +[r4 r6 r10 r12]
+G_M8298_IG12:        ; bbWeight=56.25, gcVars=00000000 {}, gcrefRegs=0474 {r2 r4 r5 r6 r10}, byrefRegs=0000 {}, gcvars, byref, isz
+            ; gcrRegs +[r2 r4 r6 r10]
             mov     r0, r4
             ; gcrRegs +[r0]
             mov     r1, r9
-            mov     r2, r12
-            ; gcrRegs +[r2]
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             blx     r3     // CORINFO_HELP_ARRADDR_ST
-            ; gcrRegs -[r0 r2 r12]
+            ; gcrRegs -[r0 r2]
             ; gcr arg pop 0
             movs    r3, 1
-                        ;; size=18 bbWeight=450 PerfScore 3150.00
-G_M8298_IG14:        ; bbWeight=2.03, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
-            cmp     r3, 0
-            bne     SHORT G_M8298_IG20
-            cmp     r8, 0
-            bne     SHORT G_M8298_IG16
-                       ;; size=10 bbWeight=2.03 PerfScore 8.13
-G_M8298_IG15:        ; bbWeight=0.80, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref
+            mov     r2, r3
+            mov     r3, r2
             ldr     lr, [sp+0x0C]    // [V08 loc6]
+            b       SHORT G_M8298_IG18
+                       ;; size=26 bbWeight=56.25 PerfScore 562.50
+G_M8298_IG13:        ; bbWeight=57.70, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
+            add     lr, lr, 1
+            cmp     lr, r7
+            blt     SHORT G_M8298_IG06
+                       ;; size=8 bbWeight=57.70 PerfScore 173.10
+G_M8298_IG14:        ; bbWeight=2.03, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
+            b       SHORT G_M8298_IG18
+                       ;; size=2 bbWeight=2.03 PerfScore 2.03
+G_M8298_IG15:        ; bbWeight=0.58, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
+            ldr     r2, [r6+0x04]
+            cmp     lr, r2
+            bhs     G_M8298_IG41
+            add     r12, r6, 8
+            ; byrRegs +[r12]
+            lsl     r0, lr, 2
+            ldr     r2, [r12+r0]
+            ; gcrRegs +[r2]
+            mov     r12, r2
+            ; gcrRegs +[r12]
+            ; byrRegs -[r12]
+            cmp     r12, 0
+            beq     SHORT G_M8298_IG18
+                       ;; size=28 bbWeight=0.58 PerfScore 5.20
+G_M8298_IG16:        ; bbWeight=0.56, gcrefRegs=1470 {r4 r5 r6 r10 r12}, byrefRegs=0000 {}, byref, isz
+            ; gcrRegs -[r2]
+            ldr     r0, [r10]
+            movw    r1, 0xd1ff
+            movt    r1, 0xd1ff
+            cmp     r0, r1
+            bne     G_M8298_IG42
+            ldr     r0, [r12]
+            cmp     r0, r1
+            bne     SHORT G_M8298_IG17
+            ldr     r0, [r12+0x28]
+            ldr     r1, [r10+0x28]
+            cmp     r0, r1
+            mov     r2, r12
+            ; gcrRegs +[r2]
+            beq     SHORT G_M8298_IG27
+                       ;; size=40 bbWeight=0.56 PerfScore 7.31
+G_M8298_IG17:        ; bbWeight=0.58, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
+            ; gcrRegs -[r2 r12]
+            add     lr, lr, 1
+            str     lr, [sp+0x0C]  // [V08 loc6]
+            cmp     lr, r7
+            ldr     lr, [sp+0x0C]  // [V08 loc6]
+            blt     SHORT G_M8298_IG15
+                       ;; size=16 bbWeight=0.58 PerfScore 2.91
+G_M8298_IG18:        ; bbWeight=2.03, gcrefRegs=0470 {r4 r5 r6 r10}, byrefRegs=0000 {}, byref, isz
+            cmp     r3, 0
+            bne     SHORT G_M8298_IG24
+            cmp     r8, 0
+            bne     SHORT G_M8298_IG20
+                       ;; size=10 bbWeight=2.03 PerfScore 8.13
...

+12 (+66.67%) : 227983.dasm - HelperILDllTests:CallMethodFromGenericTypeSystem.__Canon:System.String (FullOpts) 

@@ -8,28 +8,32 @@
 ; 0 inlinees with PGO data; 4 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T00] (  3,  3   )     int  ->   r0         single-def
+;  V00 TypeCtx      [V00,T00] (  4,  4   )     int  ->   r0         single-def
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V02 tmp1         [V02    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewObj constructor temp" <DerivedTypeGenericMethodActuallyOnBase`1[System.__Canon]>
 ;* V03 tmp2         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 rat0         [V04,T02] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat1         [V05,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat1         [V05,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
-; Lcl frame size = 0
+; Lcl frame size = 8
 
 G_M49861_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r11,lr}
-            mov     r11, sp
-                       ;; size=6 bbWeight=1 PerfScore 2.00
+            push    {r2,r3,r11,lr}
+            add     r11, sp, 8
+            str     r0, [r11-0x04]
+                       ;; size=12 bbWeight=1 PerfScore 3.00
 G_M49861_IG02:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
+            ldr     r0, [r0+0x20]
+            ldr     r0, [r0+0x08]
+            cmp     r0, 0
             movw    r0, 0xd1ff
             movt    r0, 0xd1ff
-                       ;; size=8 bbWeight=1 PerfScore 2.00
+                       ;; size=14 bbWeight=1 PerfScore 5.00
 G_M49861_IG03:        ; bbWeight=1, epilog, nogc, extend
-            pop     {r11,pc}
+            pop     {r2,r3,r11,pc}
                       ;; size=4 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 18, prolog size 6, PerfScore 5.00, instruction count 5, allocated bytes for code 18 (MethodHash=d9953d3a) for method HelperILDllTests:CallMethodFromGenericType[System.__Canon]():System.String (FullOpts)
+; Total bytes of code 30, prolog size 12, PerfScore 9.00, instruction count 9, allocated bytes for code 30 (MethodHash=d9953d3a) for method HelperILDllTests:CallMethodFromGenericType[System.__Canon]():System.String (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -41,11 +45,11 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 9 (0x00009) Actual length = 18 (0x000012)
+  Function Length   : 15 (0x0000f) Actual length = 30 (0x00001e)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----
-    A8 00       pop {r11,lr}                        ; opsize 32
+    A8 0C       pop {r2,r3,r11,lr}                  ; opsize 32
     FF          end
     FF          end

+12 (+100.00%) : 104084.dasm - Program:TestSystem.__Canon:int (FullOpts) 

@@ -8,27 +8,31 @@
 ; 0 inlinees with PGO data; 4 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T00] (  3,  3   )     int  ->   r0         single-def
+;  V00 TypeCtx      [V00,T00] (  4,  4   )     int  ->   r0         single-def
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V02 tmp1         [V02    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewObj constructor temp" <MyInterfaceImpl`1[System.__Canon]>
 ;* V03 tmp2         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 rat0         [V04,T02] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat1         [V05,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat1         [V05,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
-; Lcl frame size = 0
+; Lcl frame size = 8
 
 G_M46698_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r11,lr}
-            mov     r11, sp
-                       ;; size=6 bbWeight=1 PerfScore 2.00
+            push    {r2,r3,r11,lr}
+            add     r11, sp, 8
+            str     r0, [r11-0x04]
+                       ;; size=12 bbWeight=1 PerfScore 3.00
 G_M46698_IG02:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
+            ldr     r0, [r0+0x20]
+            ldr     r0, [r0+0x08]
+            cmp     r0, 0
             movs    r0, 100
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=8 bbWeight=1 PerfScore 4.00
 G_M46698_IG03:        ; bbWeight=1, epilog, nogc, extend
-            pop     {r11,pc}
+            pop     {r2,r3,r11,pc}
                        ;; size=4 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 4.00, instruction count 4, allocated bytes for code 12 (MethodHash=498b4995) for method Program:Test[System.__Canon]():int (FullOpts)
+; Total bytes of code 24, prolog size 12, PerfScore 8.00, instruction count 8, allocated bytes for code 24 (MethodHash=498b4995) for method Program:Test[System.__Canon]():int (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -40,11 +44,11 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 12 (0x0000c) Actual length = 24 (0x000018)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----
-    A8 00       pop {r11,lr}                        ; opsize 32
+    A8 0C       pop {r2,r3,r11,lr}                  ; opsize 32
     FF          end
     FF          end

+46 (+766.67%) : 171074.dasm - ILGEN0x2dda4eb5:Method0xa084659a():ushort (FullOpts) 

@@ -9,7 +9,7 @@
 ;
 ;* V00 loc0         [V00,T01] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <<unknown class>>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V02 tmp1         [V02,T00] (  0,  0   )     ref  ->  zero-ref    single-def "arr expr"
+;  V02 tmp1         [V02,T00] (  2,  4   )     ref  ->   r0         single-def "arr expr"
 ;
 ; Lcl frame size = 4
 
@@ -17,13 +17,29 @@ G_M5817_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
             push    {r3,lr}
                        ;; size=2 bbWeight=1 PerfScore 1.00
 G_M5817_IG02:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
+            movw    r0, 0xd1ff
+            movt    r0, 0xd1ff
+            movs    r1, 41
+            movw    r3, 0xd1ff
+            movt    r3, 0xd1ff
+            blx     r3     // CORINFO_HELP_NEWARR_1_DIRECT
+            ; gcrRegs +[r0]
+            ; gcr arg pop 0
+            vldr    d4, [r0+0x40]
+            movs    r0, 0
+            ; gcrRegs -[r0]
+            movw    r3, 0xd1ff
+            movt    r3, 0xd1ff
+            vmov.i2d d5, r0, r3
+            vcmp    d4, d5
+            vmrs    APSR, FPSCR
             movs    r0, 100
-                       ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=48 bbWeight=1 PerfScore 14.00
 G_M5817_IG03:        ; bbWeight=1, epilog, nogc, extend
             pop     {r3,pc}
                        ;; size=2 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 6, prolog size 2, PerfScore 3.00, instruction count 3, allocated bytes for code 6 (MethodHash=cc10e946) for method ILGEN_0x2dda4eb5:Method_0xa084659a():ushort (FullOpts)
+; Total bytes of code 52, prolog size 2, PerfScore 16.00, instruction count 16, allocated bytes for code 52 (MethodHash=cc10e946) for method ILGEN_0x2dda4eb5:Method_0xa084659a():ushort (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -35,7 +51,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 3 (0x00003) Actual length = 6 (0x000006)
+  Function Length   : 26 (0x0001a) Actual length = 52 (0x000034)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

libraries.crossgen2.linux.arm.checked.mch

-22 (-5.95%) : 3800.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts) 

@@ -19,12 +19,12 @@
 ;  V08 tmp3         [V08,T09] (  4,  2   )     ref  ->   lr         "field V03.Cert (fldOffset=0x0)" P-INDEP
 ;  V09 tmp4         [V09,T10] (  4,  2   )     ref  ->  [sp+0x00]  "field V03.Key (fldOffset=0x4)" P-INDEP
 ;  V10 tmp5         [V10,T05] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
-;  V11 tmp6         [V11,T07] (  3,  3   )     int  ->   r0         "index expr"
+;  V11 tmp6         [V11,T07] (  3,  3   )     int  ->   r4         "index expr"
 ;  V12 tmp7         [V12,T06] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
 ;* V13 tmp8         [V13,T13] (  0,  0   )     int  ->  zero-ref    "index expr"
 ;  V14 cse0         [V14,T11] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
 ;  V15 cse1         [V15,T12] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
-;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r0         "CSE - aggressive"
+;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r4         "CSE - aggressive"
 ;  V17 cse3         [V17,T08] (  3,  3   )     int  ->   r0         "CSE - aggressive"
 ;
 ; Lcl frame size = 12
@@ -50,58 +50,58 @@ G_M3164_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0002 {r1}, byr
             ldr     r0, [r0+r3]
             ; gcrRegs -[r0]
             cmp     r0, 0
-            ble     G_M3164_IG11
-            subs    r0, r0, 1
-            mov     r3, r0
+            ble     SHORT G_M3164_IG11
+            subs    r4, r0, 1
+            mov     r3, r4
             cmp     r3, 0
             blt     SHORT G_M3164_IG06
             cmp     r2, 0
             beq     SHORT G_M3164_IG05
-            ldr     lr, [r2+0x04]
-            cmp     lr, r3
+            ldr     r0, [r2+0x04]
+            cmp     r0, r3
             ble     SHORT G_M3164_IG05
-                     ;; size=54 bbWeight=1 PerfScore 21.00
+                     ;; size=50 bbWeight=1 PerfScore 21.00
 G_M3164_IG03:        ; bbWeight=3.96, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG03
-                       ;; size=26 bbWeight=3.96 PerfScore 35.64
-G_M3164_IG04:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
+                      ;; size=18 bbWeight=3.96 PerfScore 35.64
+G_M3164_IG04:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
+            ; gcrRegs -[r0]
             b       SHORT G_M3164_IG06
-                        ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M3164_IG05:        ; bbWeight=0.04, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ldr     lr, [r2+0x04]
-            cmp     r3, lr
+            ldr     r0, [r2+0x04]
+            cmp     r3, r0
             bhs     SHORT G_M3164_IG10
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG05
-                       ;; size=34 bbWeight=0.04 PerfScore 0.48
+                       ;; size=24 bbWeight=0.04 PerfScore 0.48
 G_M3164_IG06:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
-            ldr     r3, [r2+0x04]
-            cmp     r0, r3
+            ; gcrRegs -[r0]
+            ldr     r0, [r2+0x04]
+            cmp     r4, r0
             bhs     SHORT G_M3164_IG10
-            lsls    r0, r0, 3
+            lsls    r0, r4, 3
             adds    r0, 8
             adds    r0, r2, r0
             ; byrRegs +[r0]
@@ -253,7 +253,7 @@ G_M3164_IG11:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             bkpt    
                        ;; size=68 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 370, prolog size 10, PerfScore 92.12, instruction count 139, allocated bytes for code 370 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
+; Total bytes of code 348, prolog size 10, PerfScore 91.62, instruction count 139, allocated bytes for code 348 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -265,7 +265,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 185 (0x000b9) Actual length = 370 (0x000172)
+  Function Length   : 174 (0x000ae) Actual length = 348 (0x00015c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

-36 (-4.68%) : 161105.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:MethodsDifferOnlyByReturnType(System.Reflection.MethodBase,System.Reflection.MethodBase):ubyte:this (FullOpts) 

@@ -12,32 +12,33 @@
 ;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def <Microsoft.VisualBasic.CompilerServices.VBBinder>
 ;  V01 arg1         [V01,T11] (  3,  3   )     ref  ->   r1         class-hnd single-def <System.Reflection.MethodBase>
 ;  V02 arg2         [V02,T12] (  3,  3   )     ref  ->   r5         class-hnd single-def <System.Reflection.MethodBase>
-;  V03 loc0         [V03,T15] (  3,  2   )   ubyte  ->   r0        
-;  V04 loc1         [V04,T08] ( 13,  6.66)     ref  ->   r6         class-hnd single-def <<unknown class>>
+;  V03 loc0         [V03,T16] (  3,  2   )   ubyte  ->   r0        
+;  V04 loc1         [V04,T10] (  9,  5.58)     ref  ->   r6         class-hnd single-def <<unknown class>>
 ;  V05 loc2         [V05,T06] ( 13,  9.62)     ref  ->   r5         class-hnd single-def <<unknown class>>
-;  V06 loc3         [V06,T00] ( 36, 52.20)     int  ->   r7        
-;  V07 loc4         [V07,T01] ( 10, 16   )     ref  ->  [sp+0x04]  class-hnd <<unknown class>>
-;  V08 loc5         [V08,T02] ( 10, 16   )     ref  ->  r10         class-hnd <<unknown class>>
+;  V06 loc3         [V06,T00] ( 31, 55.66)     int  ->   r7        
+;  V07 loc4         [V07,T01] ( 10, 16   )     ref  ->  [sp+0x0C]  class-hnd <<unknown class>>
+;  V08 loc5         [V08,T02] ( 10, 16   )     ref  ->  [sp+0x08]  class-hnd <<unknown class>>
 ;  V09 loc6         [V09,T05] (  8,  9   )     int  ->   r8         single-def
-;* V10 loc7         [V10,T19] (  0,  0   )     int  ->  zero-ref    single-def
-;  V11 loc8         [V11,T09] (  6,  6   )     int  ->   r5         single-def
-;  V12 loc9         [V12,T10] (  6,  6   )     int  ->   r6         single-def
+;* V10 loc7         [V10,T20] (  0,  0   )     int  ->  zero-ref    single-def
+;  V11 loc8         [V11,T13] (  3,  5   )     int  ->  registers   single-def
+;  V12 loc9         [V12,T09] (  6,  6   )     int  ->   r8         single-def
 ;# V13 OutArgs      [V13    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V14 tmp1         [V14,T13] (  3,  5   )     int  ->   r7         "non-inline candidate call"
-;  V15 tmp2         [V15,T17] (  2,  2   )     int  ->   r7         "non-inline candidate call"
-;  V16 tmp3         [V16,T18] (  2,  2   )     int  ->   r7         "non-inline candidate call"
-;  V17 tmp4         [V17,T16] (  3,  2   )     int  ->   r8         "Inline return value spill temp"
-;  V18 tmp5         [V18,T14] (  3,  5   )     int  ->   r0         "Inlining Arg"
-;  V19 cse0         [V19,T07] (  8,  9.58)   byref  ->   r9         hoist multi-def "CSE - aggressive"
-;  V20 cse1         [V20,T04] (  3, 11.88)     int  ->  r10         "CSE - aggressive"
-;  V21 cse2         [V21,T03] (  8, 12.54)   byref  ->  registers   hoist multi-def "CSE - aggressive"
+;  V14 tmp1         [V14,T14] (  3,  5   )     int  ->   r7         "non-inline candidate call"
+;  V15 tmp2         [V15,T18] (  2,  2   )     int  ->   r7         "non-inline candidate call"
+;  V16 tmp3         [V16,T19] (  2,  2   )     int  ->   r7         "non-inline candidate call"
+;  V17 tmp4         [V17,T17] (  3,  2   )     int  ->   r8         "Inline return value spill temp"
+;  V18 tmp5         [V18,T15] (  3,  5   )     int  ->   r0         "Inlining Arg"
+;  V19 cse0         [V19,T07] (  6,  9.54)   byref  ->  [sp+0x04]  hoist multi-def "CSE - aggressive"
+;  V20 cse1         [V20,T08] (  8,  7.58)     int  ->   r9         multi-def "CSE - aggressive"
+;  V21 cse2         [V21,T04] (  3, 11.88)     int  ->   r9         "CSE - aggressive"
+;  V22 cse3         [V22,T03] (  8, 12.54)   byref  ->  registers   hoist multi-def "CSE - aggressive"
 ;
-; Lcl frame size = 12
+; Lcl frame size = 20
 
 G_M40132_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
             push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
-            sub     sp, 12
-            add     r11, sp, 40
+            sub     sp, 20
+            add     r11, sp, 48
             mov     r5, r2
             ; gcrRegs +[r5]
                        ;; size=12 bbWeight=1 PerfScore 4.00
@@ -98,18 +99,18 @@ G_M40132_IG05:        ; bbWeight=1, gcrefRegs=0060 {r5 r6}, byrefRegs=0000 {}, b
             movs    r7, 0
             cmp     r8, 0
             blt     G_M40132_IG17
-            ldr     r0, [r6+0x04]
-            cmp     r0, r8
+            ldr     r9, [r6+0x04]
+            cmp     r9, r8
             ble     SHORT G_M40132_IG12
             ldr     r0, [r5+0x04]
             cmp     r0, r8
             ble     SHORT G_M40132_IG12
-            add     r9, r6, 8
-            ; byrRegs +[r9]
-                       ;; size=26 bbWeight=1 PerfScore 10.00
-G_M40132_IG06:        ; bbWeight=3.96, gcrefRegs=0060 {r5 r6}, byrefRegs=0200 {r9}, byref, isz
-            lsl     r10, r7, 2
-            ldr     r0, [r9+r10]
+            add     r10, r6, 8
+            ; byrRegs +[r10]
+                       ;; size=28 bbWeight=1 PerfScore 10.00
+G_M40132_IG06:        ; bbWeight=3.96, gcrefRegs=0060 {r5 r6}, byrefRegs=0400 {r10}, byref, isz
+            lsl     r9, r7, 2
+            ldr     r0, [r10+r9]
             ; gcrRegs +[r0]
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
@@ -119,7 +120,7 @@ G_M40132_IG06:        ; bbWeight=3.96, gcrefRegs=0060 {r5 r6}, byrefRegs=0200 {r
             blx     r3     // <unknown method>
             mov     r3, r0
             ; gcrRegs +[r3]
-            str     r3, [sp+0x04]
+            str     r3, [sp+0x0C]
             ; GC ptr vars +{V07}
             mov     r0, r3
             movw    r4, LOW RELOC 0xD1FFAB1E
@@ -132,8 +133,8 @@ G_M40132_IG06:        ; bbWeight=3.96, gcrefRegs=0060 {r5 r6}, byrefRegs=0200 {r
             cmp     r0, 0
             beq     SHORT G_M40132_IG08
                        ;; size=50 bbWeight=3.96 PerfScore 75.24
-G_M40132_IG07:        ; bbWeight=1.98, gcrefRegs=0060 {r5 r6}, byrefRegs=0200 {r9}, byref
-            ldr     r0, [sp+0x04]  // [V07 loc4]
+G_M40132_IG07:        ; bbWeight=1.98, gcrefRegs=0060 {r5 r6}, byrefRegs=0400 {r10}, byref
+            ldr     r0, [sp+0x0C]  // [V07 loc4]
             ; gcrRegs +[r0]
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
@@ -141,14 +142,14 @@ G_M40132_IG07:        ; bbWeight=1.98, gcrefRegs=0060 {r5 r6}, byrefRegs=0200 {r
             ldr     r3, [r4]
             ; GC ptr vars -{V07}
             blx     r3     // <unknown method>
-            str     r0, [sp+0x04]    // [V07 loc4]
+            str     r0, [sp+0x0C]    // [V07 loc4]
             ; GC ptr vars +{V07}
                        ;; size=18 bbWeight=1.98 PerfScore 13.86
-G_M40132_IG08:        ; bbWeight=3.96, gcVars=00000002 {V07}, gcrefRegs=0060 {r5 r6}, byrefRegs=0200 {r9}, gcvars, byref, isz
+G_M40132_IG08:        ; bbWeight=3.96, gcVars=00000002 {V07}, gcrefRegs=0060 {r5 r6}, byrefRegs=0400 {r10}, gcvars, byref, isz
             ; gcrRegs -[r0]
             add     r2, r5, 8
             ; byrRegs +[r2]
-            ldr     r0, [r2+r10]
+            ldr     r0, [r2+r9]
             ; gcrRegs +[r0]
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
@@ -157,9 +158,9 @@ G_M40132_IG08:        ; bbWeight=3.96, gcVars=00000002 {V07}, gcrefRegs=0060 {r5
             ldr     r2, [r4]
             ; byrRegs -[r2]
             blx     r2     // <unknown method>
-            mov     r10, r0
-            ; gcrRegs +[r10]
-            mov     r0, r10
+            mov     r9, r0
+            ; gcrRegs +[r9]
+            mov     r0, r9
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
@@ -170,43 +171,43 @@ G_M40132_IG08:        ; bbWeight=3.96, gcVars=00000002 {V07}, gcrefRegs=0060 {r5
             cmp     r0, 0
             beq     SHORT G_M40132_IG10
                        ;; size=48 bbWeight=3.96 PerfScore 71.28
-G_M40132_IG09:        ; bbWeight=1.98, gcrefRegs=0460 {r5 r6 r10}, byrefRegs=0200 {r9}, byref
-            mov     r0, r10
+G_M40132_IG09:        ; bbWeight=1.98, gcrefRegs=0260 {r5 r6 r9}, byrefRegs=0400 {r10}, byref
+            mov     r0, r9
             ; gcrRegs +[r0]
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
             ldr     r3, [r4]
             blx     r3     // <unknown method>
-            ; gcrRegs -[r10]
-            mov     r10, r0
-            ; gcrRegs +[r10]
+            ; gcrRegs -[r9]
+            mov     r9, r0
+            ; gcrRegs +[r9]
                         ;; size=18 bbWeight=1.98 PerfScore 13.86
-G_M40132_IG10:        ; bbWeight=3.96, gcrefRegs=0460 {r5 r6 r10}, byrefRegs=0200 {r9}, byref, isz
+G_M40132_IG10:        ; bbWeight=3.96, gcrefRegs=0260 {r5 r6 r9}, byrefRegs=0400 {r10}, byref, isz
             ; gcrRegs -[r0]
-            ldr     r3, [sp+0x04]  // [V07 loc4]
+            ldr     r3, [sp+0x0C]    // [V07 loc4]
             ; gcrRegs +[r3]
-            cmp     r3, r10
+            cmp     r3, r9
             bne     SHORT G_M40132_IG18
             adds    r7, r7, 1
             bvs     G_M40132_IG29
             cmp     r7, r8
             ble     SHORT G_M40132_IG06
                        ;; size=16 bbWeight=3.96 PerfScore 27.72
-G_M40132_IG11:        ; bbWeight=1, gcVars=00000000 {}, gcrefRegs=0060 {r5 r6}, byrefRegs=0000 {}, gcvars, byref, isz
-            ; gcrRegs -[r3 r10]
-            ; byrRegs -[r9]
+G_M40132_IG11:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0060 {r5 r6}, byrefRegs=0000 {}, gcvars, byref, isz
+            ; gcrRegs -[r3 r9]
+            ; byrRegs -[r10]
             ; GC ptr vars -{V07}
             b       SHORT G_M40132_IG17
-                      ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M40132_IG12:        ; bbWeight=0.04, gcrefRegs=0060 {r5 r6}, byrefRegs=0000 {}, byref, isz
-            ldr     r0, [r6+0x04]
-            cmp     r7, r0
+            ldr     r9, [r6+0x04]
+            cmp     r7, r9
             bhs     G_M40132_IG30
-            add     r9, r6, 8
-            ; byrRegs +[r9]
+            add     r10, r6, 8
+            ; byrRegs +[r10]
             lsls    r0, r7, 2
-            ldr     r0, [r9+r0]
+            ldr     r0, [r10+r0]
             ; gcrRegs +[r0]
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
@@ -214,7 +215,7 @@ G_M40132_IG12:        ; bbWeight=0.04, gcrefRegs=0060 {r5 r6}, byrefRegs=0000 {}
             ldr     r2, [r0]
             ldr     r3, [r4]
             blx     r3     // <unknown method>
-            ; byrRegs -[r9]
+            ; byrRegs -[r10]
             mov     r9, r0
             ; gcrRegs +[r9]
             mov     r0, r9
@@ -227,7 +228,7 @@ G_M40132_IG12:        ; bbWeight=0.04, gcrefRegs=0060 {r5 r6}, byrefRegs=0000 {}
             ; gcrRegs -[r0]
             cmp     r0, 0
             beq     SHORT G_M40132_IG14
-                      ;; size=58 bbWeight=0.04 PerfScore 0.88
+                       ;; size=60 bbWeight=0.04 PerfScore 0.88
 G_M40132_IG13:        ; bbWeight=0.02, gcrefRegs=0260 {r5 r6 r9}, byrefRegs=0000 {}, byref
             mov     r0, r9
             ; gcrRegs +[r0]
@@ -260,48 +261,53 @@ G_M40132_IG14:        ; bbWeight=0.04, gcrefRegs=0260 {r5 r6 r9}, byrefRegs=0000
             ldr     r3, [r4]
             blx     r3     // <unknown method>
             ; byrRegs -[r10]
-            mov     r10, r0
-            ; gcrRegs +[r10]
-            mov     r0, r10
+            mov     r3, r0
+            ; gcrRegs +[r3]
+            str     r3, [sp+0x08]  // [V08 loc5]
+            ; GC ptr vars +{V08}
+            mov     r0, r3
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
-            ldr     r2, [r0]
-            ldr     r3, [r4]
-            blx     r3     // <unknown method>
-            ; gcrRegs -[r0]
+            ldr     r1, [r0]
+            ldr     r2, [r4]
+            blx     r2     // <unknown method>
+            ; gcrRegs -[r0 r3]
             cmp     r0, 0
             beq     SHORT G_M40132_IG16
-                      ;; size=60 bbWeight=0.04 PerfScore 0.92
-G_M40132_IG15:        ; bbWeight=0.02, gcrefRegs=0660 {r5 r6 r9 r10}, byrefRegs=0000 {}, byref
-            mov     r0, r10
+                      ;; size=62 bbWeight=0.04 PerfScore 0.96
+G_M40132_IG15:        ; bbWeight=0.02, gcrefRegs=0260 {r5 r6 r9}, byrefRegs=0000 {}, byref
+            ldr     r0, [sp+0x08]  // [V08 loc5]
             ; gcrRegs +[r0]
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
             ldr     r3, [r4]
+            ; GC ptr vars -{V08}
             blx     r3       // <unknown method>
-            ; gcrRegs -[r10]
-            mov     r10, r0
...

-32 (-3.21%) : 59521.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (FullOpts) 

@@ -47,7 +47,6 @@
 ;  V35 tmp18        [V35,T00] (  6, 95.04)     ref  ->  r12         "arr expr"
 ;  V36 cse0         [V36,T02] (  3, 47.04)     int  ->   r1         "CSE - aggressive"
 ;  V37 cse1         [V37,T04] (  5, 39.20)     int  ->  [sp+0x24]  multi-def "CSE - aggressive"
-;  TEMP_01                                     int  ->  [r11-0x68]
 ;
 ; Lcl frame size = 84
 
@@ -92,7 +91,7 @@ G_M15813_IG02:        ; bbWeight=1, gcrefRegs=00C0 {r6 r7}, byrefRegs=0120 {r5 r
             str     r3, [sp+0x48]  // [V07 loc2]
             movs    r2, 0
             cmp     r4, 0
-            ble     G_M15813_IG25
+            ble     G_M15813_IG23
             ldr     r9, [sp+0x78]   // [V04 arg4]
             ; gcrRegs +[r9]
             ldr     r0, [r10+0x04]
@@ -112,7 +111,7 @@ G_M15813_IG03:        ; bbWeight=3.96, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=
             ldr     r0, [r0+r1]
             ldr     r1, [r0+0x04]
             cmp     r2, r1
-            bhs     G_M15813_IG26
+            bhs     G_M15813_IG24
             adds    r0, 8
             ; gcrRegs -[r0]
             ; byrRegs +[r0]
@@ -179,23 +178,26 @@ G_M15813_IG04:        ; bbWeight=3.96, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=
             mov     r4, r1
             ldr     r3, [sp+0x40]  // [V09 loc4]
             cmp     r3, 0
-            ble     SHORT G_M15813_IG11
+            ble     SHORT G_M15813_IG12
                         ;; size=8 bbWeight=3.96 PerfScore 15.84
 G_M15813_IG05:        ; bbWeight=1.98, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             ldr     r2, [sp+0x20]  // [V10 loc5]
             ; gcrRegs +[r2]
             ldr     r1, [r2+0x04]
             cmp     r1, r3
-            blt     SHORT G_M15813_IG10
+            blt     SHORT G_M15813_IG11
             ldr     lr, [sp+0x1C]  // [V11 loc6]
             ; gcrRegs +[lr]
             ldr     r1, [lr+0x04]
             cmp     r1, r3
+            blt     SHORT G_M15813_IG16
+                       ;; size=20 bbWeight=1.98 PerfScore 15.84
+G_M15813_IG06:        ; bbWeight=0.99, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref
+            ; gcrRegs -[r2 lr]
             str     r9, [sp+0x78]    // [V04 arg4]
-            blt     SHORT G_M15813_IG15
-                       ;; size=24 bbWeight=1.98 PerfScore 17.82
-G_M15813_IG06:        ; bbWeight=15.68, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
-            ; gcrRegs -[r2 r9 lr]
+                        ;; size=4 bbWeight=0.99 PerfScore 0.99
+G_M15813_IG07:        ; bbWeight=15.68, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+            ; gcrRegs -[r9]
             ldr     r12, [r5+0x04]
             ; gcrRegs +[r12]
             ldr     r0, [sp+0x48]  // [V07 loc2]
@@ -203,14 +205,14 @@ G_M15813_IG06:        ; bbWeight=15.68, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=01
             adds    r1, r0, r4
             ldr     r9, [r12+0x04]
             cmp     r1, r9
-            bhs     G_M15813_IG26
+            bhs     G_M15813_IG24
             mov     r9, 12
             mul     r1, r1, r9
             adds    r1, 8
             add     r1, r12
             ; byrRegs +[r1]
                        ;; size=32 bbWeight=15.68 PerfScore 172.50
-G_M15813_IG07:        ; bbWeight=15.68, nogc, extend
+G_M15813_IG08:        ; bbWeight=15.68, nogc, extend
             ldr     r12, [r1]
             ; gcrRegs -[r12]
             str     r12, [sp+0x28] // [V16 loc11]
@@ -219,7 +221,7 @@ G_M15813_IG07:        ; bbWeight=15.68, nogc, extend
             ldr     r12, [r1+0x08]
             str     r12, [sp+0x30] // [V16 loc11+0x08]
                        ;; size=24 bbWeight=15.68 PerfScore 94.09
-G_M15813_IG08:        ; bbWeight=15.68, isz, extend
+G_M15813_IG09:        ; bbWeight=15.68, isz, extend
             movw    r1, LOW RELOC 0xD1FFAB1E
             ; byrRegs -[r1]
             movt    r1, HIGH RELOC 0xD1FFAB1E
@@ -232,9 +234,9 @@ G_M15813_IG08:        ; bbWeight=15.68, isz, extend
             ldr     r12, [r4]
             blx     r12        // <unknown method>
             cmp     r0, 0
-            beq     SHORT G_M15813_IG12
+            beq     SHORT G_M15813_IG13
                         ;; size=34 bbWeight=15.68 PerfScore 188.18
-G_M15813_IG09:        ; bbWeight=7.84, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+G_M15813_IG10:        ; bbWeight=7.84, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             add     r1, sp, 60  // [V12 loc7]
             str     r1, [sp]   // [V17 OutArgs]
             ldr     r1, [sp+0x28]  // [V27 tmp10]
@@ -266,17 +268,16 @@ G_M15813_IG09:        ; bbWeight=7.84, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=012
             blx     r12        // CORINFO_HELP_ASSIGN_REF
             ; gcrRegs -[r1 r4]
             ; byrRegs -[r0]
-            b       SHORT G_M15813_IG13
+            b       SHORT G_M15813_IG14
                       ;; size=64 bbWeight=7.84 PerfScore 180.34
-G_M15813_IG10:        ; bbWeight=0.99, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+G_M15813_IG11:        ; bbWeight=0.99, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             ; gcrRegs +[r9]
-            str     r9, [sp+0x78] // [V04 arg4]
-            b       SHORT G_M15813_IG15
-                       ;; size=6 bbWeight=0.99 PerfScore 1.98
-G_M15813_IG11:        ; bbWeight=1.98, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+            b       SHORT G_M15813_IG16
+                       ;; size=2 bbWeight=0.99 PerfScore 0.99
+G_M15813_IG12:        ; bbWeight=1.98, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             b       SHORT G_M15813_IG22
                        ;; size=2 bbWeight=1.98 PerfScore 1.98
-G_M15813_IG12:        ; bbWeight=7.84, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref
+G_M15813_IG13:        ; bbWeight=7.84, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref
             ; gcrRegs -[r9]
             ldr     r3, [sp+0x20]  // [V10 loc5]
             ; gcrRegs +[r3]
@@ -311,51 +312,48 @@ G_M15813_IG12:        ; bbWeight=7.84, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=012
             add     r12, pc
             ldr     r12, [r12]
             blx     r12        // CORINFO_HELP_ASSIGN_REF
-            ; gcrRegs -[r1 r4]
+            ; gcrRegs -[r1]
             ; byrRegs -[r0]
                        ;; size=64 bbWeight=7.84 PerfScore 172.50
-G_M15813_IG13:        ; bbWeight=15.68, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+G_M15813_IG14:        ; bbWeight=15.68, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+            ; gcrRegs -[r4]
             add     r9, r9, 1
             ldr     r3, [sp+0x40]  // [V09 loc4]
             cmp     r9, r3
             mov     r4, r9
-            blt     SHORT G_M15813_IG06
+            blt     SHORT G_M15813_IG07
                        ;; size=12 bbWeight=15.68 PerfScore 78.41
-G_M15813_IG14:        ; bbWeight=1.98, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+G_M15813_IG15:        ; bbWeight=3.96, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             ldr     r9, [sp+0x78]    // [V04 arg4]
             ; gcrRegs +[r9]
             b       SHORT G_M15813_IG22
-                      ;; size=6 bbWeight=1.98 PerfScore 3.96
-G_M15813_IG15:        ; bbWeight=0.16, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
-            ; gcrRegs -[r9]
+                      ;; size=6 bbWeight=3.96 PerfScore 7.92
+G_M15813_IG16:        ; bbWeight=0.16, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             ldr     r12, [r5+0x04]
             ; gcrRegs +[r12]
-            ldr     r0, [sp+0x48]    // [V07 loc2]
-            adds    r1, r0, r4
-            str     r1, [sp+0x08]  // [TEMP_01]
-            ldr     r1, [r12+0x04]
-            ldr     r9, [sp+0x08]  // [TEMP_01]
-            cmp     r9, r1
-            bhs     G_M15813_IG26
-            str     r0, [sp+0x48]  // [V07 loc2]
+            ldr     lr, [sp+0x48]    // [V07 loc2]
+            add     r1, lr, r4
+            ldr     r0, [r12+0x04]
+            cmp     r1, r0
+            bhs     G_M15813_IG24
+            str     lr, [sp+0x48]  // [V07 loc2]
             str     r4, [sp+0x34]  // [V15 loc10]
-            adds    r1, r0, r4
-            mov     r9, 12
-            mul     r1, r1, r9
+            add     r1, lr, r4
+            movs    r0, 12
+            mul     r1, r1, r0
             adds    r1, 8
             add     r1, r12
             ; byrRegs +[r1]
-                      ;; size=42 bbWeight=0.16 PerfScore 2.38
-G_M15813_IG16:        ; bbWeight=0.16, nogc, extend
-            ldr     r12, [r1]
-            ; gcrRegs -[r12]
-            str     r12, [sp+0x28] // [V16 loc11]
-            ldr     r12, [r1+0x04]
-            str     r12, [sp+0x2C] // [V16 loc11+0x04]
-            ldr     r12, [r1+0x08]
-            str     r12, [sp+0x30] // [V16 loc11+0x08]
-                       ;; size=24 bbWeight=0.16 PerfScore 0.95
-G_M15813_IG17:        ; bbWeight=0.16, isz, extend
+                       ;; size=42 bbWeight=0.16 PerfScore 2.06
+G_M15813_IG17:        ; bbWeight=0.16, nogc, extend
+            ldr     r0, [r1]
+            str     r0, [sp+0x28]  // [V16 loc11]
+            ldr     r0, [r1+0x04]
+            str     r0, [sp+0x2C]  // [V16 loc11+0x04]
+            ldr     r0, [r1+0x08]
+            str     r0, [sp+0x30]  // [V16 loc11+0x08]
+                       ;; size=12 bbWeight=0.16 PerfScore 0.95
+G_M15813_IG18:        ; bbWeight=0.16, isz, extend
             movw    r1, LOW RELOC 0xD1FFAB1E
             ; byrRegs -[r1]
             movt    r1, HIGH RELOC 0xD1FFAB1E
@@ -366,11 +364,12 @@ G_M15813_IG17:        ; bbWeight=0.16, isz, extend
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
             ldr     r12, [r4]
+            ; gcrRegs -[r12]
             blx     r12     // <unknown method>
             cmp     r0, 0
-            beq     SHORT G_M15813_IG19
+            beq     SHORT G_M15813_IG20
                         ;; size=34 bbWeight=0.16 PerfScore 1.90
-G_M15813_IG18:        ; bbWeight=0.08, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+G_M15813_IG19:        ; bbWeight=0.08, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             add     r1, sp, 60  // [V12 loc7]
             str     r1, [sp]   // [V17 OutArgs]
             ldr     r1, [sp+0x28]  // [V27 tmp10]
@@ -391,12 +390,12 @@ G_M15813_IG18:        ; bbWeight=0.08, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=012
             ; gcrRegs +[r4]
             ldr     r0, [r4+0x04]
             ; gcrRegs -[r0]
-            ldr     r9, [sp+0x34] // [V15 loc10]
-            cmp     r9, r0
-            bhs     G_M15813_IG26
+            ldr     r2, [sp+0x34]   // [V15 loc10]
+            cmp     r2, r0
+            bhs     G_M15813_IG24
             add     r0, r4, 8
             ; byrRegs +[r0]
-            lsl     r3, r9, 2
+            lsls    r3, r2, 2
             adds    r0, r0, r3
             movw    r12, LOW RELOC 0xD1FFAB1E
             movt    r12, HIGH RELOC 0xD1FFAB1E
@@ -405,18 +404,19 @@ G_M15813_IG18:        ; bbWeight=0.08, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=012
             blx     r12        // CORINFO_HELP_ASSIGN_REF
             ; gcrRegs -[r1 r4]
             ; byrRegs -[r0]
-            b       SHORT G_M15813_IG20
-                       ;; size=72 bbWeight=0.08 PerfScore 2.06
-G_M15813_IG19:        ; bbWeight=0.08, gcrefRegs=04C0 {r6 r7 r10}, byrefRegs=0120 {r5 r8}, byref, isz
+            b       SHORT G_M15813_IG21
+                       ;; size=68 bbWeight=0.08 PerfScore 2.06
+G_M15813_IG20:        ; bbWeight=0.08, gcrefRegs=06C0 {r6 r7 r9 r10}, byrefRegs=0120 {r5 r8}, byref, isz
             ldr     r3, [sp+0x20]  // [V10 loc5]
             ; gcrRegs +[r3]
             ldr     r0, [r3+0x04]
-            ldr     r9, [sp+0x34]   // [V15 loc10]
-            cmp     r9, r0
-            bhs     G_M15813_IG26
+            ldr     r2, [sp+0x34]   // [V15 loc10]
+            cmp     r2, r0
+            bhs     G_M15813_IG24
...

+20 (+5.35%) : 21267.dasm - System.Reflection.RuntimePropertyInfo:SetValue(System.Object,System.Object,int,System.Reflection.Binder,System.Object[],System.Globalization.CultureInfo):this (FullOpts) 

@@ -20,13 +20,13 @@
 ;  V08 loc1         [V08,T10] (  8,  3.08)     ref  ->   r2         class-hnd exact single-def <System.Object[]>
 ;  V09 loc2         [V09,T00] ( 11, 16.58)     int  ->   r4        
 ;  V10 OutArgs      [V10    ] (  1,  1   )  struct ( 8) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V11 tmp1         [V11,T01] (  4, 16   )     ref  ->   r3         class-hnd "Strict ordering of exceptions for Array store" <System.Object>
+;  V11 tmp1         [V11,T01] (  4, 16   )     ref  ->   lr         class-hnd "Strict ordering of exceptions for Array store" <System.Object>
 ;  V12 tmp2         [V12,T16] (  3,  0   )     ref  ->   r5         class-hnd exact single-def "NewObj constructor temp" <<unknown class>>
 ;  V13 tmp3         [V13,T11] (  4,  2.50)     ref  ->   r0         class-hnd "Inline return value spill temp" <System.Reflection.RuntimeMethodInfo>
 ;* V14 tmp4         [V14    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V15 tmp5         [V15,T17] (  2,  0   )     ref  ->   r1         single-def "argument with side effect"
-;  V16 cse0         [V16,T03] (  8,  7   )     int  ->  r10         "CSE - aggressive"
-;  V17 cse1         [V17,T09] (  4,  4.54)   byref  ->  [sp+0x0C]  hoist multi-def "CSE - aggressive"
+;  V16 cse0         [V16,T03] (  8,  7   )     int  ->  [sp+0x0C]  spill-single-def "CSE - aggressive"
+;  V17 cse1         [V17,T09] (  4,  4.54)   byref  ->  [sp+0x08]  hoist multi-def "CSE - aggressive"
 ;  V18 cse2         [V18,T04] (  6,  5.54)   byref  ->  registers   hoist multi-def "CSE - aggressive"
 ;  V19 cse3         [V19,T02] (  3, 11.88)     int  ->   r0         "CSE - aggressive"
 ;
@@ -76,17 +76,17 @@ G_M50642_IG05:        ; bbWeight=1, gcrefRegs=02C1 {r0 r6 r7 r9}, byrefRegs=0000
             mov     r5, r0
             ; gcrRegs +[r5]
             cmp     r5, 0
-            beq     SHORT G_M50642_IG15
+            beq     G_M50642_IG16
             cmp     r9, 0
             bne     SHORT G_M50642_IG08
-                      ;; size=12 bbWeight=1 PerfScore 5.00
+                      ;; size=14 bbWeight=1 PerfScore 5.00
 G_M50642_IG06:        ; bbWeight=0.50, gcrefRegs=00C1 {r0 r6 r7}, byrefRegs=0000 {}, byref
             ; gcrRegs -[r5 r9]
             str     r7, [sp]
             ; gcr arg write
-            ldr     r5, [sp+0x40] // [V06 arg6]
-            ; gcrRegs +[r5]
-            str     r5, [sp+0x04]  // [V10 OutArgs+0x04]
+            ldr     r10, [sp+0x40]   // [V06 arg6]
+            ; gcrRegs +[r10]
+            str     r10, [sp+0x04] // [V10 OutArgs+0x04]
             ; gcr arg write
             mov     r1, r6
             ; gcrRegs +[r1]
@@ -98,17 +98,18 @@ G_M50642_IG06:        ; bbWeight=0.50, gcrefRegs=00C1 {r0 r6 r7}, byrefRegs=0000
             add     r4, pc
             ldr     lr, [r4]
             blx     lr     // System.Reflection.RuntimeMethodInfo:InvokePropertySetter(System.Object,int,System.Reflection.Binder,System.Object,System.Globalization.CultureInfo):this
-            ; gcrRegs -[r0-r1 r3 r5-r7]
+            ; gcrRegs -[r0-r1 r3 r6-r7 r10]
             ; gcr arg pop 0
-                      ;; size=28 bbWeight=0.50 PerfScore 5.50
+                       ;; size=32 bbWeight=0.50 PerfScore 5.50
 G_M50642_IG07:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 20
             pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M50642_IG08:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=02E0 {r5 r6 r7 r9}, byrefRegs=0000 {}, gcvars, byref, isz
             ; gcrRegs +[r5-r7 r9]
-            ldr     r10, [r9+0x04]
-            add     r0, r10, 1
+            ldr     r4, [r9+0x04]
+            str     r4, [sp+0x0C]  // [V16 cse0]
+            adds    r0, r4, 1
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
@@ -119,27 +120,28 @@ G_M50642_IG08:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=02E0 {r5 r6
             mov     r2, r0
             ; gcrRegs +[r2]
             movs    r4, 0
-            cmp     r10, 0
+            ldr     r3, [sp+0x0C]   // [V16 cse0]
+            cmp     r3, 0
             ble     SHORT G_M50642_IG12
             ldr     r1, [r2+0x04]
-            cmp     r1, r10
+            cmp     r1, r3
             blt     SHORT G_M50642_IG11
             add     r1, r9, 8
             ; byrRegs +[r1]
             add     r9, r2, 8
             ; gcrRegs -[r9]
             ; byrRegs +[r9]
-                      ;; size=46 bbWeight=0.50 PerfScore 8.00
+                       ;; size=46 bbWeight=0.50 PerfScore 9.00
 G_M50642_IG09:        ; bbWeight=3.96, gcrefRegs=00E4 {r2 r5 r6 r7}, byrefRegs=0202 {r1 r9}, byref, isz
             ; gcrRegs -[r0]
             lsls    r0, r4, 2
-            str     r1, [sp+0x0C]   // [V17 cse1]
+            str     r1, [sp+0x08]    // [V17 cse1]
             ; GC ptr vars +{V17}
-            ldr     r3, [r1+r0]
-            ; gcrRegs +[r3]
+            ldr     lr, [r1+r0]
+            ; gcrRegs +[lr]
             add     r0, r9
             ; byrRegs +[r0]
-            mov     r1, r3
+            mov     r1, lr
             ; gcrRegs +[r1]
             ; byrRegs -[r1]
             movw    r12, LOW RELOC 0xD1FFAB1E
@@ -147,36 +149,38 @@ G_M50642_IG09:        ; bbWeight=3.96, gcrefRegs=00E4 {r2 r5 r6 r7}, byrefRegs=0
             add     r12, pc
             ldr     r12, [r12]
             blx     r12        // CORINFO_HELP_CHECKED_ASSIGN_REF
-            ; gcrRegs -[r1 r3]
+            ; gcrRegs -[r1 lr]
             ; byrRegs -[r0]
             adds    r4, r4, 1
-            cmp     r10, r4
-            ldr     r1, [sp+0x0C]  // [V17 cse1]
+            ldr     r3, [sp+0x0C]    // [V16 cse0]
+            cmp     r3, r4
+            ldr     r1, [sp+0x08]  // [V17 cse1]
             ; byrRegs +[r1]
             bgt     SHORT G_M50642_IG09
-                      ;; size=34 bbWeight=3.96 PerfScore 55.44
+                      ;; size=38 bbWeight=3.96 PerfScore 59.40
 G_M50642_IG10:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00E4 {r2 r5 r6 r7}, byrefRegs=0000 {}, gcvars, byref, isz
             ; byrRegs -[r1 r9]
             ; GC ptr vars -{V17}
+            ldr     r3, [sp+0x0C]    // [V16 cse0]
             b       SHORT G_M50642_IG12
-                      ;; size=2 bbWeight=0.50 PerfScore 0.50
+                        ;; size=4 bbWeight=0.50 PerfScore 1.00
 G_M50642_IG11:        ; bbWeight=0.04, gcrefRegs=02E4 {r2 r5 r6 r7 r9}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r9]
             add     r1, r9, 8
             ; byrRegs +[r1]
             lsls    r0, r4, 2
-            ldr     r3, [r1+r0]
-            ; gcrRegs +[r3]
+            ldr     lr, [r1+r0]
+            ; gcrRegs +[lr]
             ldr     r1, [r2+0x04]
             ; byrRegs -[r1]
             cmp     r4, r1
-            bhs     SHORT G_M50642_IG14
+            bhs     SHORT G_M50642_IG15
             add     r1, r2, 8
             ; byrRegs +[r1]
             lsls    r0, r4, 2
             adds    r0, r1, r0
             ; byrRegs +[r0]
-            mov     r1, r3
+            mov     r1, lr
             ; gcrRegs +[r1]
             ; byrRegs -[r1]
             movw    r12, LOW RELOC 0xD1FFAB1E
@@ -184,18 +188,19 @@ G_M50642_IG11:        ; bbWeight=0.04, gcrefRegs=02E4 {r2 r5 r6 r7 r9}, byrefReg
             add     r12, pc
             ldr     r12, [r12]
             blx     r12        // CORINFO_HELP_CHECKED_ASSIGN_REF
-            ; gcrRegs -[r1 r3]
+            ; gcrRegs -[r1 lr]
             ; byrRegs -[r0]
             adds    r4, r4, 1
-            cmp     r10, r4
-            bgt     SHORT G_M50642_IG11
-                       ;; size=46 bbWeight=0.04 PerfScore 0.72
+            ldr     r3, [sp+0x0C]  // [V16 cse0]
+            cmp     r3, r4
+            bgt     SHORT G_M50642_IG14
+                       ;; size=50 bbWeight=0.04 PerfScore 0.76
 G_M50642_IG12:        ; bbWeight=0.50, gcrefRegs=00E4 {r2 r5 r6 r7}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs -[r9]
             ldr     r1, [r2+0x04]
-            cmp     r10, r1
-            bhs     SHORT G_M50642_IG14
-            lsl     r1, r10, 2
+            cmp     r3, r1
+            bhs     SHORT G_M50642_IG15
+            lsls    r1, r3, 2
             add     r0, r2, 8
             ; byrRegs +[r0]
             adds    r0, r0, r1
@@ -210,9 +215,9 @@ G_M50642_IG12:        ; bbWeight=0.50, gcrefRegs=00E4 {r2 r5 r6 r7}, byrefRegs=0
             ; byrRegs -[r0]
             str     r2, [sp]   // [V10 OutArgs]
             ; gcr arg write
-            ldr     r4, [sp+0x40] // [V06 arg6]
-            ; gcrRegs +[r4]
-            str     r4, [sp+0x04]  // [V10 OutArgs+0x04]
+            ldr     r10, [sp+0x40]   // [V06 arg6]
+            ; gcrRegs +[r10]
+            str     r10, [sp+0x04] // [V10 OutArgs+0x04]
             ; gcr arg write
             mov     r0, r5
             ; gcrRegs +[r0]
@@ -223,20 +228,23 @@ G_M50642_IG12:        ; bbWeight=0.50, gcrefRegs=00E4 {r2 r5 r6 r7}, byrefRegs=0
             ldr     r3, [sp+0x38]  // [V04 arg4]
             ; gcrRegs +[r3]
             movw    r4, LOW RELOC 0xD1FFAB1E
-            ; gcrRegs -[r4]
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
             ldr     lr, [r4]
             blx     lr     // <unknown method>
-            ; gcrRegs -[r1 r3 r5-r6]
+            ; gcrRegs -[r1 r3 r5-r6 r10]
             ; gcr arg pop 0
-                      ;; size=64 bbWeight=0.50 PerfScore 12.00
+                      ;; size=66 bbWeight=0.50 PerfScore 12.00
 G_M50642_IG13:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 20
             pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                        ;; size=6 bbWeight=0.50 PerfScore 1.00
-G_M50642_IG14:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0000 {}, byrefRegs=0000 {}, gcvars, byref
-            ; gcrRegs -[r0]
+G_M50642_IG14:        ; bbWeight=0.02, gcVars=00000000 {}, gcrefRegs=02E4 {r2 r5 r6 r7 r9}, byrefRegs=0000 {}, gcvars, byref, isz
+            ; gcrRegs -[r0] +[r2 r5-r7 r9]
+            b       SHORT G_M50642_IG11
+                       ;; size=2 bbWeight=0.02 PerfScore 0.02
+G_M50642_IG15:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
+            ; gcrRegs -[r2 r5-r7 r9]
             movw    r3, LOW RELOC 0xD1FFAB1E
             movt    r3, HIGH RELOC 0xD1FFAB1E
             add     r3, pc
@@ -244,7 +252,7 @@ G_M50642_IG14:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0000 {}, byref
             blx     r3     // CORINFO_HELP_RNGCHKFAIL
             ; gcr arg pop 0
                        ;; size=14 bbWeight=0 PerfScore 0.00
-G_M50642_IG15:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
+G_M50642_IG16:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
@@ -282,7 +290,7 @@ G_M50642_IG15:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             bkpt    
                        ;; size=66 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 374, prolog size 22, PerfScore 107.66, instruction count 143, allocated bytes for code 374 (MethodHash=cb793a2d) for method System.Reflection.RuntimePropertyInfo:SetValue(System.Object,System.Object,int,System.Reflection.Binder,System.Object[],System.Globalization.CultureInfo):this (FullOpts)
+; Total bytes of code 394, prolog size 22, PerfScore 113.18, instruction count 149, allocated bytes for code 394 (MethodHash=cb793a2d) for method System.Reflection.RuntimePropertyInfo:SetValue(System.Object,System.Object,int,System.Reflection.Binder,System.Object[],System.Globalization.CultureInfo):this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -294,7 +302,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 187 (0x000bb) Actual length = 374 (0x000176)
+  Function Length   : 197 (0x000c5) Actual length = 394 (0x00018a)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+22 (+6.15%) : 28865.dasm - System.Data.SqlTypes.SqlString:CompareBinary(System.Data.SqlTypes.SqlString,System.Data.SqlTypes.SqlString):int (FullOpts) 

@@ -16,7 +16,7 @@
 ;  V05 loc3         [V05,T08] (  7,  7.50)     int  ->   lr        
 ;  V06 loc4         [V06,T07] (  7,  8.50)     int  ->  r12        
 ;  V07 loc5         [V07,T00] ( 34, 56.66)     int  ->   r4        
-;  V08 loc6         [V08,T02] (  8, 13   )     int  ->  registers  
+;  V08 loc6         [V08,T02] (  8, 13   )     int  ->  r12        
 ;* V09 loc7         [V09,T21] (  0,  0   )     int  ->  zero-ref   
 ;# V10 OutArgs      [V10    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V11 tmp1         [V11,T19] (  3,  2   )     int  ->  r12        
@@ -32,7 +32,7 @@
 ;  V21 cse7         [V21,T09] (  7,  7.08)     int  ->   r1         "CSE - aggressive"
 ;  V22 cse8         [V22,T10] (  6,  7.04)     int  ->   r3         "CSE - aggressive"
 ;  V23 cse9         [V23,T05] (  3, 11.88)     int  ->   r0         "CSE - aggressive"
-;  V24 cse10        [V24,T12] (  3,  6   )     int  ->   r0         "CSE - aggressive"
+;  V24 cse10        [V24,T12] (  3,  6   )     int  ->  r12         "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
@@ -116,10 +116,10 @@ G_M16969_IG06:        ; bbWeight=3.96, gcrefRegs=0041 {r0 r6}, byrefRegs=00A0 {r
             cmp     r4, r12
             blt     SHORT G_M16969_IG06
                        ;; size=22 bbWeight=3.96 PerfScore 35.64
-G_M16969_IG07:        ; bbWeight=1, gcrefRegs=0041 {r0 r6}, byrefRegs=0000 {}, byref, isz
+G_M16969_IG07:        ; bbWeight=0.50, gcrefRegs=0041 {r0 r6}, byrefRegs=0000 {}, byref, isz
             ; byrRegs -[r5 r7]
             b       SHORT G_M16969_IG09
-                      ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M16969_IG08:        ; bbWeight=0.04, gcrefRegs=0041 {r0 r6}, byrefRegs=0000 {}, byref, isz
             cmp     r4, r3
             bhs     SHORT G_M16969_IG24
@@ -161,21 +161,21 @@ G_M16969_IG10:        ; bbWeight=3.96, gcrefRegs=0000 {}, byrefRegs=0080 {r7}, b
             ldrb    r3, [r7+r4]
             add     r0, r3, 8
             and     r0, r0, 31
-            lsl     r3, r2, r0
-            cmp     r3, 32
+            lsl     r12, r2, r0
+            cmp     r12, 32
             bne     SHORT G_M16969_IG14
             adds    r4, r4, 2
             cmp     r4, lr
             blt     SHORT G_M16969_IG10
-                      ;; size=32 bbWeight=3.96 PerfScore 51.48
+                      ;; size=34 bbWeight=3.96 PerfScore 51.48
 G_M16969_IG11:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
             ; byrRegs -[r7]
             b       SHORT G_M16969_IG17
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M16969_IG12:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r0]
-            adds    r3, r4, 1
-            cmp     r3, r1
+            add     r12, r4, 1
+            cmp     r12, r1
             bhs     SHORT G_M16969_IG24
             add     r7, r0, 8
             ; byrRegs +[r7]
@@ -186,41 +186,41 @@ G_M16969_IG12:        ; bbWeight=0.04, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, b
             ldrb    r2, [r7+r4]
             adds    r2, 8
             and     r2, r2, 31
-            lsls    r3, r2
-            cmp     r3, 32
+            lsl     r12, r3, r2
+            cmp     r12, 32
             bne     SHORT G_M16969_IG14
             adds    r4, r4, 2
             cmp     r4, lr
             blt     SHORT G_M16969_IG12
-                      ;; size=38 bbWeight=0.04 PerfScore 0.68
+                       ;; size=44 bbWeight=0.04 PerfScore 0.68
 G_M16969_IG13:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r7]
             b       SHORT G_M16969_IG17
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M16969_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
-            cmp     r3, 32
+            cmp     r12, 32
             blt     SHORT G_M16969_IG22
             b       SHORT G_M16969_IG20
-                      ;; size=6 bbWeight=0.50 PerfScore 1.50
+                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M16969_IG15:        ; bbWeight=2, gcrefRegs=0040 {r6}, byrefRegs=0000 {}, byref, isz
             ; gcrRegs +[r6]
-            adds    r0, r4, 1
-            cmp     r0, r3
+            add     r12, r4, 1
+            cmp     r12, r3
             bhs     SHORT G_M16969_IG24
             add     r5, r6, 8
             ; byrRegs +[r5]
-            ldrb    r0, [r5+r0]
+            ldrb    r0, [r5+r12]
             cmp     r4, r3
             bhs     SHORT G_M16969_IG24
             ldrb    r1, [r5+r4]
-            adds    r1, 8
-            and     r1, r1, 31
-            lsls    r0, r1
-            cmp     r0, 32
+            add     lr, r1, 8
+            and     r1, lr, 31
+            lsl     r12, r0, r1
+            cmp     r12, 32
             bne     SHORT G_M16969_IG19
             adds    r4, r4, 2
-                        ;; size=32 bbWeight=2 PerfScore 28.00
+                     ;; size=42 bbWeight=2 PerfScore 28.00
 G_M16969_IG16:        ; bbWeight=4, gcrefRegs=0040 {r6}, byrefRegs=0000 {}, byref, isz
             ; byrRegs -[r5]
             cmp     r4, r2
@@ -236,9 +236,9 @@ G_M16969_IG18:        ; bbWeight=0.50, epilog, nogc, extend
             bx      lr
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M16969_IG19:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0000 {}, byrefRegs=0000 {}, gcvars, byref, isz
-            cmp     r0, 32
+            cmp     r12, 32
             bgt     SHORT G_M16969_IG22
-                      ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M16969_IG20:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             mov     r0, -1
                        ;; size=4 bbWeight=0.50 PerfScore 0.50
@@ -265,7 +265,7 @@ G_M16969_IG24:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0000 {}, byref
             bkpt    
                        ;; size=16 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 358, prolog size 10, PerfScore 181.40, instruction count 148, allocated bytes for code 358 (MethodHash=d195bdb6) for method System.Data.SqlTypes.SqlString:CompareBinary(System.Data.SqlTypes.SqlString,System.Data.SqlTypes.SqlString):int (FullOpts)
+; Total bytes of code 380, prolog size 10, PerfScore 180.90, instruction count 148, allocated bytes for code 380 (MethodHash=d195bdb6) for method System.Data.SqlTypes.SqlString:CompareBinary(System.Data.SqlTypes.SqlString,System.Data.SqlTypes.SqlString):int (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -277,7 +277,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 179 (0x000b3) Actual length = 358 (0x000166)
+  Function Length   : 190 (0x000be) Actual length = 380 (0x00017c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+28 (+11.97%) : 178072.dasm - System.Net.Http.AuthenticationHelper+DigestResponse:GetNextKey(System.String,int,byref):System.String (FullOpts) 

@@ -12,23 +12,23 @@
 ;  V00 arg0         [V00,T07] (  7, 12   )     ref  ->   r0         class-hnd single-def <System.String>
 ;  V01 arg1         [V01,T00] ( 33, 83.50)     int  ->   r1        
 ;  V02 arg2         [V02,T10] (  5,  3.50)   byref  ->   r2         single-def
-;  V03 loc0         [V03,T16] (  3,  2   )     int  ->   lr        
-;  V04 loc1         [V04,T17] (  2,  1   )     int  ->  r12        
+;  V03 loc0         [V03,T16] (  3,  2   )     int  ->   r3        
+;  V04 loc1         [V04,T17] (  2,  1   )     int  ->   lr        
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V06 tmp1         [V06,T11] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V07 tmp2         [V07,T03] (  3, 24   )  ushort  ->   lr         "Inlining Arg"
+;  V07 tmp2         [V07,T03] (  3, 24   )  ushort  ->   r3         "Inlining Arg"
 ;* V08 tmp3         [V08,T12] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V09 tmp4         [V09,T04] (  3, 24   )  ushort  ->   r4         "Inlining Arg"
+;  V09 tmp4         [V09,T04] (  3, 24   )  ushort  ->   lr         "Inlining Arg"
 ;* V10 tmp5         [V10,T18] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V11 tmp6         [V11,T15] (  3,  3   )  ushort  ->   r5         "Inlining Arg"
+;  V11 tmp6         [V11,T15] (  3,  3   )  ushort  ->  r12         "Inlining Arg"
 ;* V12 tmp7         [V12,T13] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V13 tmp8         [V13,T05] (  3, 24   )  ushort  ->   r5         "Inlining Arg"
+;  V13 tmp8         [V13,T05] (  3, 24   )  ushort  ->  r12         "Inlining Arg"
 ;* V14 tmp9         [V14,T14] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V15 tmp10        [V15,T06] (  3, 24   )  ushort  ->   r6         "Inlining Arg"
-;  V16 cse0         [V16,T09] (  3, 12   )     int  ->   r5         "CSE - aggressive"
+;  V15 tmp10        [V15,T06] (  3, 24   )  ushort  ->   r4         "Inlining Arg"
+;  V16 cse0         [V16,T09] (  3, 12   )     int  ->  r12         "CSE - aggressive"
 ;  V17 cse1         [V17,T08] (  5, 13   )     int  ->  registers   multi-def "CSE - aggressive"
-;  V18 cse2         [V18,T01] ( 13, 46.50)     int  ->   r3         hoist "CSE - aggressive"
-;  V19 cse3         [V19,T02] (  9, 25.50)   byref  ->  registers   multi-def "CSE - aggressive"
+;  V18 cse2         [V18,T01] ( 13, 46.50)     int  ->   r5         hoist "CSE - aggressive"
+;  V19 cse3         [V19,T02] (  9, 25.50)   byref  ->   r6         multi-def "CSE - aggressive"
 ;
 ; Lcl frame size = 4
 
@@ -39,57 +39,57 @@ G_M63854_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M63854_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r2]
-            ldr     r3, [r0+0x04]
+            ldr     r5, [r0+0x04]
             b       SHORT G_M63854_IG04
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M63854_IG03:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref
             adds    r1, r1, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
 G_M63854_IG04:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref, isz
-            cmp     r3, r1
+            cmp     r5, r1
             ble     SHORT G_M63854_IG06
                        ;; size=4 bbWeight=8 PerfScore 16.00
 G_M63854_IG05:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref, isz
-            cmp     r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M63854_IG23
-            add     lr, r0, 8
-            ; byrRegs +[lr]
-            lsl     r12, r1, 1
-            ldrh    lr, [lr+r12]
-            ; byrRegs -[lr]
-            cmp     lr, 32
+            add     r6, r0, 8
+            ; byrRegs +[r6]
+            lsls    r3, r1, 1
+            ldrh    r3, [r6+r3]
+            cmp     r3, 32
             beq     SHORT G_M63854_IG03
-            cmp     lr, 9
+            cmp     r3, 9
             beq     SHORT G_M63854_IG03
-                       ;; size=28 bbWeight=4 PerfScore 36.00
+                     ;; size=20 bbWeight=4 PerfScore 36.00
 G_M63854_IG06:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref, isz
-            mov     lr, r1
+            ; byrRegs -[r6]
+            mov     r3, r1
             b       SHORT G_M63854_IG08
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M63854_IG07:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref
             adds    r1, r1, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
 G_M63854_IG08:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref, isz
-            cmp     r3, r1
+            cmp     r5, r1
             ble     SHORT G_M63854_IG10
                        ;; size=4 bbWeight=8 PerfScore 16.00
 G_M63854_IG09:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref, isz
-            cmp     r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M63854_IG23
-            add     r12, r0, 8
-            ; byrRegs +[r12]
-            lsls    r4, r1, 1
-            ldrh    r4, [r12+r4]
-            cmp     r4, 61
+            add     r6, r0, 8
+            ; byrRegs +[r6]
+            lsl     lr, r1, 1
+            ldrh    lr, [r6+lr]
+            cmp     lr, 61
             beq     SHORT G_M63854_IG10
-            cmp     r4, 32
+            cmp     lr, 32
             beq     SHORT G_M63854_IG10
-            cmp     r4, 9
+            cmp     lr, 9
             bne     SHORT G_M63854_IG07
-                        ;; size=26 bbWeight=4 PerfScore 44.00
+                     ;; size=34 bbWeight=4 PerfScore 44.00
 G_M63854_IG10:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref, isz
-            ; byrRegs -[r12]
-            cmp     r3, r1
+            ; byrRegs -[r6]
+            cmp     r5, r1
             bne     SHORT G_M63854_IG13
                        ;; size=4 bbWeight=4 PerfScore 8.00
 G_M63854_IG11:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0004 {r2}, byref
@@ -102,47 +102,47 @@ G_M63854_IG12:        ; bbWeight=0.50, epilog, nogc, extend
             pop     {r3,r4,r5,r6,r11,pc}
                        ;; size=4 bbWeight=0.50 PerfScore 0.50
 G_M63854_IG13:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, gcvars, byref, isz
-            sub     r12, r1, lr
-            cmp     r1, r3
+            sub     lr, r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M63854_IG23
-            add     r4, r0, 8
-            ; byrRegs +[r4]
-            lsls    r5, r1, 1
-            ldrh    r5, [r4+r5]
-            cmp     r5, 32
+            add     r6, r0, 8
+            ; byrRegs +[r6]
+            lsl     r12, r1, 1
+            ldrh    r12, [r6+r12]
+            cmp     r12, 32
             beq     SHORT G_M63854_IG15
-            cmp     r5, 9
+            cmp     r12, 9
             bne     SHORT G_M63854_IG20
             b       SHORT G_M63854_IG15
-                      ;; size=26 bbWeight=0.50 PerfScore 5.50
-G_M63854_IG14:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0014 {r2 r4}, byref
+                       ;; size=34 bbWeight=0.50 PerfScore 5.50
+G_M63854_IG14:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0044 {r2 r6}, byref
             adds    r1, r1, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
-G_M63854_IG15:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0014 {r2 r4}, byref, isz
-            cmp     r3, r1
+G_M63854_IG15:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0044 {r2 r6}, byref, isz
+            cmp     r5, r1
             ble     SHORT G_M63854_IG16
-            cmp     r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M63854_IG23
-            lsls    r5, r1, 1
-            ldrh    r5, [r4+r5]
-            cmp     r5, 32
+            lsl     r12, r1, 1
+            ldrh    r12, [r6+r12]
+            cmp     r12, 32
             beq     SHORT G_M63854_IG14
-            cmp     r5, 9
+            cmp     r12, 9
             beq     SHORT G_M63854_IG14
-                     ;; size=20 bbWeight=4 PerfScore 40.00
-G_M63854_IG16:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0014 {r2 r4}, byref, isz
-            cmp     r3, r1
+                       ;; size=28 bbWeight=4 PerfScore 40.00
+G_M63854_IG16:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0044 {r2 r6}, byref, isz
+            cmp     r5, r1
             beq     SHORT G_M63854_IG17
-            cmp     r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M63854_IG23
-            lsls    r5, r1, 1
-            ldrh    r5, [r4+r5]
-            cmp     r5, 61
+            lsl     r12, r1, 1
+            ldrh    r12, [r6+r12]
+            cmp     r12, 61
             beq     SHORT G_M63854_IG20
-                       ;; size=16 bbWeight=0.50 PerfScore 4.00
+                       ;; size=22 bbWeight=0.50 PerfScore 4.00
 G_M63854_IG17:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0004 {r2}, byref
             ; gcrRegs -[r0]
-            ; byrRegs -[r4]
+            ; byrRegs -[r6]
             str     r1, [r2]
             movs    r0, 0
             ; gcrRegs +[r0]
@@ -150,31 +150,31 @@ G_M63854_IG17:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0004 {r2}, b
 G_M63854_IG18:        ; bbWeight=0.50, epilog, nogc, extend
             pop     {r3,r4,r5,r6,r11,pc}
                        ;; size=4 bbWeight=0.50 PerfScore 0.50
-G_M63854_IG19:        ; bbWeight=2, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0014 {r2 r4}, gcvars, byref
-            ; byrRegs +[r4]
+G_M63854_IG19:        ; bbWeight=2, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0044 {r2 r6}, gcvars, byref
+            ; byrRegs +[r6]
             adds    r1, r1, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
-G_M63854_IG20:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0014 {r2 r4}, byref, isz
-            cmp     r3, r1
+G_M63854_IG20:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0044 {r2 r6}, byref, isz
+            cmp     r5, r1
             ble     SHORT G_M63854_IG21
-            cmp     r1, r3
+            cmp     r1, r5
             bhs     SHORT G_M63854_IG23
-            lsls    r5, r1, 1
-            ldrh    r5, [r4+r5]
-            mov     r6, r5
-            cmp     r6, 32
+            lsl     r12, r1, 1
+            ldrh    r12, [r6+r12]
+            mov     r4, r12
+            cmp     r4, 32
             beq     SHORT G_M63854_IG19
-            cmp     r6, 9
+            cmp     r4, 9
             beq     SHORT G_M63854_IG19
-            cmp     r5, 61
+            cmp     r12, 61
             beq     SHORT G_M63854_IG19
-                       ;; size=26 bbWeight=4 PerfScore 52.00
+                     ;; size=32 bbWeight=4 PerfScore 52.00
 G_M63854_IG21:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0004 {r2}, byref
-            ; byrRegs -[r4]
+            ; byrRegs -[r6]
             str     r1, [r2]
-            mov     r2, r12
+            mov     r2, lr
             ; byrRegs -[r2]
-            mov     r1, lr
+            mov     r1, r3
             movw    r4, LOW RELOC 0xD1FFAB1E
             movt    r4, HIGH RELOC 0xD1FFAB1E
             add     r4, pc
@@ -196,7 +196,7 @@ G_M63854_IG23:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0000 {}, byref
             bkpt    
                        ;; size=16 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 234, prolog size 8, PerfScore 243.00, instruction count 99, allocated bytes for code 234 (MethodHash=532b0691) for method System.Net.Http.AuthenticationHelper+DigestResponse:GetNextKey(System.String,int,byref):System.String (FullOpts)
+; Total bytes of code 262, prolog size 8, PerfScore 243.00, instruction count 99, allocated bytes for code 262 (MethodHash=532b0691) for method System.Net.Http.AuthenticationHelper+DigestResponse:GetNextKey(System.String,int,byref):System.String (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -208,7 +208,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
...

libraries.pmi.linux.arm.checked.mch

-36 (-9.42%) : 152193.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

-20 (-6.45%) : 20910.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts) 

@@ -17,13 +17,13 @@
 ;  V07 tmp2         [V07,T09] (  4,  2   )     ref  ->   lr         "field V03.Cert (fldOffset=0x0)" P-INDEP
 ;  V08 tmp3         [V08,T10] (  4,  2   )     ref  ->  [sp+0x00]  "field V03.Key (fldOffset=0x4)" P-INDEP
 ;  V09 tmp4         [V09,T05] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
-;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r0         "index expr"
+;  V10 tmp5         [V10,T07] (  3,  3   )     int  ->   r4         "index expr"
 ;  V11 tmp6         [V11,T06] (  3,  3   )   byref  ->   r3         single-def "BlockOp address local"
 ;* V12 tmp7         [V12,T13] (  0,  0   )     int  ->  zero-ref    "index expr"
 ;  V13 tmp8         [V13,T15] (  2,  0   )     ref  ->   r1         single-def "argument with side effect"
 ;  V14 cse0         [V14,T11] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
 ;  V15 cse1         [V15,T12] (  3,  1.50)   byref  ->   r0         "CSE - moderate"
-;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r0         "CSE - aggressive"
+;  V16 cse2         [V16,T04] (  3,  2.50)     int  ->   r4         "CSE - aggressive"
 ;  V17 cse3         [V17,T08] (  3,  3   )     int  ->   r0         "CSE - aggressive"
 ;
 ; Lcl frame size = 12
@@ -42,57 +42,57 @@ G_M3164_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0002 {r1}, byr
             ; gcrRegs -[r0]
             cmp     r0, 0
             ble     SHORT G_M3164_IG11
-            subs    r0, r0, 1
-            mov     r3, r0
+            subs    r4, r0, 1
+            mov     r3, r4
             cmp     r3, 0
             blt     SHORT G_M3164_IG06
             cmp     r2, 0
             beq     SHORT G_M3164_IG05
-            ldr     lr, [r2+0x04]
-            cmp     lr, r3
+            ldr     r0, [r2+0x04]
+            cmp     r0, r3
             ble     SHORT G_M3164_IG05
-                     ;; size=28 bbWeight=1 PerfScore 13.00
+                     ;; size=26 bbWeight=1 PerfScore 13.00
 G_M3164_IG03:        ; bbWeight=3.96, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG03
-                       ;; size=26 bbWeight=3.96 PerfScore 35.64
-G_M3164_IG04:        ; bbWeight=1, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
+                      ;; size=18 bbWeight=3.96 PerfScore 35.64
+G_M3164_IG04:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
+            ; gcrRegs -[r0]
             b       SHORT G_M3164_IG06
-                        ;; size=2 bbWeight=1 PerfScore 1.00
+                       ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M3164_IG05:        ; bbWeight=0.04, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ldr     lr, [r2+0x04]
-            cmp     r3, lr
+            ldr     r0, [r2+0x04]
+            cmp     r3, r0
             bhs     SHORT G_M3164_IG10
-            lsl     lr, r3, 3
-            add     lr, lr, 8
-            add     lr, r2
-            ; byrRegs +[lr]
-            ldr     lr, [lr+0x04]
-            ; gcrRegs +[lr]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            lsls    r0, r3, 3
+            adds    r0, 8
+            adds    r0, r2, r0
+            ; byrRegs +[r0]
+            ldr     r0, [r0+0x04]
+            ; gcrRegs +[r0]
+            ; byrRegs -[r0]
+            cmp     r0, 0
             bne     SHORT G_M3164_IG08
             subs    r3, r3, 1
             cmp     r3, 0
             bge     SHORT G_M3164_IG05
-                       ;; size=34 bbWeight=0.04 PerfScore 0.48
+                       ;; size=24 bbWeight=0.04 PerfScore 0.48
 G_M3164_IG06:        ; bbWeight=0.50, gcrefRegs=0004 {r2}, byrefRegs=0002 {r1}, byref, isz
-            ; gcrRegs -[lr]
-            ldr     r3, [r2+0x04]
-            cmp     r0, r3
+            ; gcrRegs -[r0]
+            ldr     r0, [r2+0x04]
+            cmp     r4, r0
             bhs     SHORT G_M3164_IG10
-            lsls    r0, r0, 3
+            lsls    r0, r4, 3
             adds    r0, 8
             adds    r0, r2, r0
             ; byrRegs +[r0]
@@ -228,7 +228,7 @@ G_M3164_IG11:        ; bbWeight=0, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
             bkpt    
                        ;; size=62 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 310, prolog size 10, PerfScore 80.12, instruction count 116, allocated bytes for code 310 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
+; Total bytes of code 290, prolog size 10, PerfScore 79.62, instruction count 116, allocated bytes for code 290 (MethodHash=f732f3a3) for method System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -240,7 +240,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 155 (0x0009b) Actual length = 310 (0x000136)
+  Function Length   : 145 (0x00091) Actual length = 290 (0x000122)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

-16 (-6.15%) : 152405.dasm - Microsoft.CodeAnalysis.RealParser:ConvertBigIntegerToFloatingPointBits(ubyte[],uint,ubyte,Microsoft.CodeAnalysis.RealParser+FloatingPointType,byref):int (FullOpts) 

@@ -13,20 +13,20 @@
 ;  V02 arg2         [V02,T10] (  3,  3   )   ubyte  ->   r2         single-def
 ;  V03 arg3         [V03,T08] (  5,  5   )     ref  ->   r5         class-hnd single-def <Microsoft.CodeAnalysis.RealParser+FloatingPointType>
 ;  V04 arg4         [V04,T16] (  1,  1   )   byref  ->  [sp+0x30]  single-def
-;  V05 loc0         [V05,T14] (  2,  2   )     int  ->   r0         single-def
+;  V05 loc0         [V05,T14] (  2,  2   )     int  ->   r8         single-def
 ;* V06 loc1         [V06    ] (  0,  0   )    long  ->  zero-ref   
 ;  V07 loc2         [V07,T03] (  4, 12   )   ubyte  ->   r6        
 ;  V08 loc3         [V08,T13] (  3,  3   )     int  ->   r7         single-def
-;  V09 loc4         [V09,T07] (  7,  9   )     int  ->   r2         single-def
+;  V09 loc4         [V09,T07] (  7,  9   )     int  ->   r1         single-def
 ;  V10 loc5         [V10,T00] ( 13, 20.04)     int  ->   r7        
-;  V11 loc6         [V11,T02] (  6, 13   )     int  ->   r2        
+;  V11 loc6         [V11,T02] (  6, 13   )     int  ->   r0        
 ;  V12 OutArgs      [V12    ] (  1,  1   )  struct (12) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V13 tmp1         [V13,T12] (  2,  4   )     int  ->   r0         "impAppendStmt"
-;  V14 tmp2         [V14,T15] (  3,  1.50)     int  ->   r2         "Inline return value spill temp"
-;  V15 tmp3         [V15,T11] (  3,  4.20)     int  ->   r2         "Inlining Arg"
-;  V16 cse0         [V16,T06] (  6,  9.04)   byref  ->   lr         hoist multi-def "CSE - aggressive"
-;  V17 rat0         [V17,T01] (  8, 14   )     int  ->   r3         "field V06.lo (fldOffset=0x0)" P-INDEP
-;  V18 rat1         [V18,T05] (  6, 10   )     int  ->   r1         "field V06.hi (fldOffset=0x4)" P-INDEP
+;  V14 tmp2         [V14,T15] (  3,  1.50)     int  ->   r1         "Inline return value spill temp"
+;  V15 tmp3         [V15,T11] (  3,  4.20)     int  ->   r1         "Inlining Arg"
+;  V16 cse0         [V16,T06] (  6,  9.04)   byref  ->  registers   hoist multi-def "CSE - aggressive"
+;  V17 rat0         [V17,T01] (  8, 14   )     int  ->   r2         "field V06.lo (fldOffset=0x0)" P-INDEP
+;  V18 rat1         [V18,T05] (  6, 10   )     int  ->   r3         "field V06.hi (fldOffset=0x4)" P-INDEP
 ;
 ; Lcl frame size = 20
 
@@ -65,115 +65,113 @@ G_M50203_IG04:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, b
             blx     r3     // <unknown method>
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-            subs    r2, r7, 7
-            cmp     r2, 0
+            subs    r1, r7, 7
+            cmp     r1, 0
             bgt     SHORT G_M50203_IG09
                        ;; size=32 bbWeight=1 PerfScore 14.00
 G_M50203_IG05:        ; bbWeight=0.40, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref
-            movs    r2, 0
+            movs    r1, 0
                       ;; size=2 bbWeight=0.40 PerfScore 0.40
 G_M50203_IG06:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            lsls    r3, r2, 3
-            adds    r0, r0, r3
+            lsls    r2, r1, 3
+            add     r8, r0, r2
+            movs    r2, 0
             movs    r3, 0
-            movs    r1, 0
-            cmp     r7, r2
+            cmp     r7, r1
             blt     SHORT G_M50203_IG11
             cmp     r4, 0
             beq     SHORT G_M50203_IG10
-            orrs    lr, r7, r2
-            cmp     lr, 0
+            orrs    r0, r7, r1
+            cmp     r0, 0
             blt     SHORT G_M50203_IG10
-            ldr     lr, [r4+0x04]
-            cmp     lr, r7
+            ldr     r0, [r4+0x04]
+            cmp     r0, r7
             ble     SHORT G_M50203_IG10
-            add     lr, r4, 8
-            ; byrRegs +[lr]
-                       ;; size=38 bbWeight=1 PerfScore 15.00
-G_M50203_IG07:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=4000 {lr}, byref, isz
-            ldrb    r12, [lr+r7]
-            uxtb    r12, r12
-            lsl     r8, r3, 8
-            lsls    r1, r1, 8
-            orr     r1, r1, r3 LSR 24
-            orr     r3, r12, r8
-            orr     r1, r1, 0
+            add     r0, r4, 8
+            ; byrRegs +[r0]
+                       ;; size=36 bbWeight=1 PerfScore 15.00
+G_M50203_IG07:        ; bbWeight=3.96, gcrefRegs=0030 {r4 r5}, byrefRegs=0001 {r0}, byref, isz
+            ldrb    lr, [r0+r7]
+            uxtb    lr, lr
+            lsl     r12, r2, 8
+            lsls    r3, r3, 8
+            orr     r3, r3, r2 LSR 24
+            orr     r2, lr, r12
+            orr     r3, r3, 0
             subs    r7, r7, 1
-            cmp     r7, r2
+            cmp     r7, r1
             bge     SHORT G_M50203_IG07
                        ;; size=32 bbWeight=3.96 PerfScore 39.60
 G_M50203_IG08:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            ; byrRegs -[lr]
+            ; byrRegs -[r0]
             b       SHORT G_M50203_IG11
                        ;; size=2 bbWeight=1 PerfScore 1.00
 G_M50203_IG09:        ; bbWeight=0.10, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
             b       SHORT G_M50203_IG06
                        ;; size=2 bbWeight=0.10 PerfScore 0.10
 G_M50203_IG10:        ; bbWeight=0.04, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            ldr     lr, [r4+0x04]
-            cmp     r7, lr
+            ldr     r0, [r4+0x04]
+            cmp     r7, r0
             bhs     SHORT G_M50203_IG18
-            add     lr, r4, 8
-            ; byrRegs +[lr]
-            ldrb    lr, [lr+r7]
-            ; byrRegs -[lr]
-            uxtb    lr, lr
-            lsl     r12, r3, 8
-            lsls    r1, r1, 8
-            orr     r1, r1, r3 LSR 24
-            orr     r3, lr, r12
-            orr     r1, r1, 0
+            add     r0, r4, 8
+            ; byrRegs +[r0]
+            ldrb    r0, [r0+r7]
+            ; byrRegs -[r0]
+            uxtb    r0, r0
+            lsl     lr, r2, 8
+            lsls    r3, r3, 8
+            orr     r3, r3, r2 LSR 24
+            orr     r2, r0, lr
+            orr     r3, r3, 0
             subs    r7, r7, 1
-            cmp     r7, r2
+            cmp     r7, r1
             bge     SHORT G_M50203_IG10
-                        ;; size=44 bbWeight=0.04 PerfScore 0.56
+                       ;; size=38 bbWeight=0.04 PerfScore 0.56
 G_M50203_IG11:        ; bbWeight=1, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            subs    r2, r2, 1
+            subs    r0, r1, 1
             b       SHORT G_M50203_IG14
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M50203_IG12:        ; bbWeight=2, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            ldr     lr, [r4+0x04]
-            cmp     r2, lr
+            ldr     r1, [r4+0x04]
+            cmp     r0, r1
             bhs     SHORT G_M50203_IG18
-            add     lr, r4, 8
-            ; byrRegs +[lr]
-            ldrb    lr, [lr+r2]
-            ; byrRegs -[lr]
-            cmp     lr, 0
+            add     r1, r4, 8
+            ; byrRegs +[r1]
+            ldrb    r1, [r1+r0]
+            ; byrRegs -[r1]
+            cmp     r1, 0
             beq     SHORT G_M50203_IG13
             movs    r6, 0
-                        ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=18 bbWeight=2 PerfScore 16.00
 G_M50203_IG13:        ; bbWeight=2, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref
-            subs    r2, r2, 1
+            subs    r0, r0, 1
                      ;; size=2 bbWeight=2 PerfScore 2.00
 G_M50203_IG14:        ; bbWeight=8, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
             cmp     r6, 0
             beq     SHORT G_M50203_IG16
                        ;; size=4 bbWeight=8 PerfScore 16.00
 G_M50203_IG15:        ; bbWeight=4, gcrefRegs=0030 {r4 r5}, byrefRegs=0000 {}, byref, isz
-            cmp     r2, 0
+            cmp     r0, 0
             bge     SHORT G_M50203_IG12
                        ;; size=4 bbWeight=4 PerfScore 8.00
 G_M50203_IG16:        ; bbWeight=1, gcrefRegs=0020 {r5}, byrefRegs=0000 {}, byref
             ; gcrRegs -[r4]
-            str     r0, [sp]
+            str     r8, [sp]
             str     r6, [sp+0x04]
-            ldr     r4, [sp+0x30]    // [V04 arg4]
-            ; byrRegs +[r4]
-            str     r4, [sp+0x08]  // [V12 OutArgs+0x08]
+            ldr     r7, [sp+0x30]    // [V04 arg4]
+            ; byrRegs +[r7]
+            str     r7, [sp+0x08]  // [V12 OutArgs+0x08]
             ; byr arg write
             mov     r0, r5
             ; gcrRegs +[r0]
-            mov     r2, r3
-            mov     r3, r1
             movw    r1, 0xd1ff
             movt    r1, 0xd1ff
             ldr     r1, [r1]
             blx     r1     // <unknown method>
             ; gcrRegs -[r0 r5]
-            ; byrRegs -[r4]
+            ; byrRegs -[r7]
             ; gcr arg pop 0
-                      ;; size=26 bbWeight=1 PerfScore 11.00
+                     ;; size=24 bbWeight=1 PerfScore 9.00
 G_M50203_IG17:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 20
             pop     {r4,r5,r6,r7,r8,r11,pc}
@@ -186,7 +184,7 @@ G_M50203_IG18:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=0000 {}, byref
             bkpt    
                        ;; size=12 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 260, prolog size 14, PerfScore 138.66, instruction count 99, allocated bytes for code 260 (MethodHash=28d53be4) for method Microsoft.CodeAnalysis.RealParser:ConvertBigIntegerToFloatingPointBits(ubyte[],uint,ubyte,Microsoft.CodeAnalysis.RealParser+FloatingPointType,byref):int (FullOpts)
+; Total bytes of code 244, prolog size 14, PerfScore 136.66, instruction count 97, allocated bytes for code 244 (MethodHash=28d53be4) for method Microsoft.CodeAnalysis.RealParser:ConvertBigIntegerToFloatingPointBits(ubyte[],uint,ubyte,Microsoft.CodeAnalysis.RealParser+FloatingPointType,byref):int (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -198,7 +196,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 130 (0x00082) Actual length = 260 (0x000104)
+  Function Length   : 122 (0x0007a) Actual length = 244 (0x0000f4)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+8 (+66.67%) : 164211.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder[System.__Canon,System.Nullable1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder+ValueCollection[System.__Canon,System.Nullable1[int]]:this (FullOpts) 

@@ -13,9 +13,9 @@
 ;* V02 tmp1         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]>
 ;* V03 tmp2         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 tmp3         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02._dictionary (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -27,13 +27,17 @@ G_M38784_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M38784_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x14]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M38784_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=22b5687f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=22b5687f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -45,7 +49,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

+8 (+66.67%) : 244247.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder[System.__Canon,System.Nullable1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder+KeyCollection[System.__Canon,System.Nullable1[int]]:this (FullOpts) 

@@ -13,9 +13,9 @@
 ;* V02 tmp1         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]>
 ;* V03 tmp2         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 tmp3         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02._dictionary (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -27,13 +27,17 @@ G_M7872_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M7872_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x10]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M7872_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=9d20e13f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=9d20e13f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -45,7 +49,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

+8 (+66.67%) : 244248.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder[System.__Canon,System.Nullable1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder+ValueCollection[System.__Canon,System.Nullable1[int]]:this (FullOpts) 

@@ -13,9 +13,9 @@
 ;* V02 tmp1         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]>
 ;* V03 tmp2         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 tmp3         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02._dictionary (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -27,13 +27,17 @@ G_M38784_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M38784_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x14]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M38784_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=22b5687f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=22b5687f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -45,7 +49,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

libraries_tests.run.linux.arm.Release.mch

-36 (-9.42%) : 153401.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (Tier0-FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

-36 (-9.42%) : 11974.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (Tier0-FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

-36 (-9.42%) : 139978.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (Tier0-FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

+20 (+50.00%) : 29068.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Canon,System.Canon]]):this (Tier1) 

@@ -16,13 +16,13 @@
 ;* V05 tmp2         [V05    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r0         single-def "V02.[000..004)"
-;* V09 cse0         [V09,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V10 rat0         [V10,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r3         single-def "V02.[000..004)"
+;  V09 cse0         [V09,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V10 rat0         [V10,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V11 rat1         [V11,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V12 rat2         [V12,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V12 rat2         [V12,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V13 rat3         [V13,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V14 rat4         [V14,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V14 rat4         [V14,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -36,19 +36,31 @@ G_M20412_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M20412_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x18]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x0C]
+            cmp     r3, 0
+            ldr     r3, [sp+0x18]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x10]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M20412_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -56,7 +68,7 @@ G_M20412_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -68,7 +80,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+8 (+66.67%) : 14301.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (Instrumented Tier1) 

@@ -15,9 +15,9 @@
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V06 tmp5         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02.m_task (fldOffset=0x0)" P-INDEP
-;* V07 rat0         [V07,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 rat0         [V07,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V08 rat1         [V08,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V09 rat2         [V09,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V09 rat2         [V09,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -29,13 +29,17 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x30]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Instrumented Tier1)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Instrumented Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -47,7 +51,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

+8 (+66.67%) : 30891.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (Tier1) 

@@ -15,9 +15,9 @@
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V06 tmp5         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02.m_task (fldOffset=0x0)" P-INDEP
-;* V07 rat0         [V07,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 rat0         [V07,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V08 rat1         [V08,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V09 rat2         [V09,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V09 rat2         [V09,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -29,13 +29,17 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x30]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
 ; ============================================================
 
 Unwind Info:
@@ -47,7 +51,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

librariestestsnotieredcompilation.run.linux.arm.Release.mch

-36 (-9.42%) : 5134.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

-36 (-9.42%) : 43646.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

-36 (-9.42%) : 49344.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

+20 (+50.00%) : 2408.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.Collections.Immutable.ImmutableArray1[Microsoft.CodeAnalysis.Text.TextSpan]]:<.cctor>b107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary2+HashBucket[System.Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]]):this (FullOpts) 

@@ -16,13 +16,13 @@
 ;* V05 tmp2         [V05    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r0         single-def "V02.[000..004)"
-;* V09 cse0         [V09,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V10 rat0         [V10,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V08 tmp5         [V08,T06] (  3,  2.50)     ref  ->   r3         single-def "V02.[000..004)"
+;  V09 cse0         [V09,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V10 rat0         [V10,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V11 rat1         [V11,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V12 rat2         [V12,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V12 rat2         [V12,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V13 rat3         [V13,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V14 rat4         [V14,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V14 rat4         [V14,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -36,19 +36,31 @@ G_M18716_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M18716_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x18]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x0C]
+            cmp     r3, 0
+            ldr     r3, [sp+0x18]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x10]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M18716_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M18716_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M18716_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M18716_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -56,7 +68,7 @@ G_M18716_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=7db8b6e3) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]]):this (FullOpts)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=7db8b6e3) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]]):this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -68,7 +80,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+20 (+50.00%) : 2860.dasm - System.Collections.Immutable.ImmutableHashSet1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts) 

@@ -17,13 +17,13 @@
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V08 tmp5         [V08    ] (  0,  0   )     ref  ->  zero-ref    "field V02._firstValue (fldOffset=0x0)" P-INDEP
-;  V09 tmp6         [V09,T06] (  3,  2.50)     ref  ->   r0         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
-;* V10 cse0         [V10,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V11 rat0         [V11,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V09 tmp6         [V09,T06] (  3,  2.50)     ref  ->   r3         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
+;  V10 cse0         [V10,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V11 rat0         [V11,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V12 rat1         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat2         [V13,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat2         [V13,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V14 rat3         [V14,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V15 rat4         [V15,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V15 rat4         [V15,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -37,19 +37,31 @@ G_M10050_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M10050_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x1C]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x08]
+            cmp     r3, 0
+            ldr     r3, [sp+0x1C]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x0C]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M10050_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M10050_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -57,7 +69,7 @@ G_M10050_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -69,7 +81,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+8 (+66.67%) : 3467.dasm - System.Threading.Tasks.Task1[System.Collections.Immutable.ImmutableArray1[System.Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.Collections.Immutable.ImmutableArray1[System.Canon]]:this (FullOpts) 

@@ -15,9 +15,9 @@
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V06 tmp5         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02.m_task (fldOffset=0x0)" P-INDEP
-;* V07 rat0         [V07,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 rat0         [V07,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V08 rat1         [V08,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V09 rat2         [V09,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V09 rat2         [V09,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -29,13 +29,17 @@ G_M19920_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M19920_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x0C]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M19920_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=89c1b22f) for method System.Threading.Tasks.Task`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:this (FullOpts)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=89c1b22f) for method System.Threading.Tasks.Task`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -47,7 +51,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

realworld.run.linux.arm.checked.mch

-36 (-9.42%) : 23068.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts) 

@@ -13,12 +13,12 @@
 ;  V02 arg2         [V02,T12] (  5,  3.50)   byref  ->   r4         single-def
 ;  V03 loc0         [V03,T00] ( 26, 69   )     int  ->   r5        
 ;  V04 loc1         [V04,T10] (  5,  7.50)  ushort  ->   r8        
-;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   r3         single-def
+;  V05 loc2         [V05,T11] (  6,  6.50)     int  ->   lr         single-def
 ;  V06 loc3         [V06,T16] (  7,  3.50)     int  ->   r2        
-;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   lr        
-;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->  r12        
-;  V09 loc6         [V09,T06] (  7, 17   )     int  ->   r2        
-;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->  r12        
+;  V07 loc4         [V07,T14] (  3,  5   )   ubyte  ->   r9        
+;  V08 loc5         [V08,T04] (  7, 18   )  ushort  ->   r3        
+;  V09 loc6         [V09,T06] (  7, 17   )     int  ->  r10        
+;  V10 loc7         [V10,T07] (  7, 11   )  ushort  ->   r3        
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V12 tmp1         [V12,T18] (  2,  2   )     int  ->   r5         "impSpillLclRefs"
 ;* V13 tmp2         [V13,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
@@ -28,21 +28,21 @@
 ;* V17 tmp6         [V17,T20] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp7         [V18,T21] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V19 tmp8         [V19,T15] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->  r12         "Inlining Arg"
+;  V20 tmp9         [V20,T01] (  5, 40   )  ushort  ->   r2         "Inlining Arg"
 ;* V21 tmp10        [V21,T22] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V22 tmp11        [V22,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V23 tmp12        [V23    ] (  0,  0   )     int  ->  zero-ref    "Single return block return value"
 ;  V24 cse0         [V24,T09] (  4,  9   )     int  ->   r8         "CSE - aggressive"
 ;  V25 cse1         [V25,T02] ( 10, 32   )     int  ->   r6         hoist "CSE - aggressive"
 ;  V26 cse2         [V26,T05] (  5, 18   )   byref  ->   r7         "CSE - aggressive"
-;  TEMP_01                                     ref  ->  [r11-0x1C]
+;  TEMP_01                                     ref  ->  [r11-0x24]
 ;
 ; Lcl frame size = 12
 
 G_M24207_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r4,r5,r6,r7,r8,r11,lr}
+            push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
             sub     sp, 12
-            add     r11, sp, 32
+            add     r11, sp, 40
             movs    r3, 0
             str     r3, [sp+0x04]
             mov     r4, r2
@@ -56,8 +56,8 @@ G_M24207_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4},
                        ;; size=4 bbWeight=1 PerfScore 2.00
 G_M24207_IG03:        ; bbWeight=8, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r6, r5
-            beq     G_M24207_IG29
-                       ;; size=6 bbWeight=8 PerfScore 16.00
+            beq     SHORT G_M24207_IG29
+                       ;; size=4 bbWeight=8 PerfScore 16.00
 G_M24207_IG04:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             cmp     r5, r6
             bhs     G_M24207_IG35
@@ -99,37 +99,37 @@ G_M24207_IG09:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
             adds    r5, r5, 1
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG10:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            mov     r3, r5
+            mov     lr, r5
             mov     r2, r6
-            mov     lr, 0
+            mov     r9, 0
                        ;; size=8 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG11:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r6, r5
             ble     SHORT G_M24207_IG17
             cmp     r5, r6
-            bhs     G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 92
+            bhs     SHORT G_M24207_IG35
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 92
             bne     SHORT G_M24207_IG12
-            mov     lr, 1
+            mov     r9, 1
             adds    r5, r5, 2
             b       SHORT G_M24207_IG11
-                      ;; size=32 bbWeight=4 PerfScore 44.00
+                     ;; size=24 bbWeight=4 PerfScore 44.00
 G_M24207_IG12:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG15
                        ;; size=6 bbWeight=4 PerfScore 8.00
 G_M24207_IG13:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG19
-            cmp     r12, 44
+            cmp     r3, 44
             beq     SHORT G_M24207_IG19
-            cmp     r12, 34
+            cmp     r3, 34
             beq     SHORT G_M24207_IG29
-            cmp     r12, 39
+            cmp     r3, 39
             bne     SHORT G_M24207_IG16
-                       ;; size=24 bbWeight=2 PerfScore 16.00
+                     ;; size=16 bbWeight=2 PerfScore 16.00
 G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref, isz
             ; gcrRegs -[r0]
             ; byrRegs -[r1 r7]
@@ -138,7 +138,7 @@ G_M24207_IG14:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG15:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r1 r7]
-            cmp     r12, r8
+            cmp     r3, r8
             beq     SHORT G_M24207_IG18
                        ;; size=4 bbWeight=2 PerfScore 4.00
 G_M24207_IG16:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
@@ -156,48 +156,48 @@ G_M24207_IG18:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r
 G_M24207_IG19:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             cmp     r8, 0
             bne     SHORT G_M24207_IG25
-            subs    r2, r5, 1
+            add     r10, r5, -1
             b       SHORT G_M24207_IG21
-                       ;; size=10 bbWeight=0.50 PerfScore 2.00
+                       ;; size=12 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG20:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
-            subs    r2, r2, 1
-                       ;; size=2 bbWeight=2 PerfScore 2.00
+            add     r10, r10, -1
+                       ;; size=4 bbWeight=2 PerfScore 2.00
 G_M24207_IG21:        ; bbWeight=4, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
-            cmp     r2, r3
+            cmp     r10, lr
             blt     SHORT G_M24207_IG22
-            cmp     r2, r6
+            cmp     r10, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r2, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsl     r2, r10, 1
+            ldrh    r2, [r7+r2]
+            cmp     r2, 32
             beq     SHORT G_M24207_IG20
-            cmp     r12, 9
+            cmp     r2, 9
             beq     SHORT G_M24207_IG20
-            cmp     r12, 13
+            cmp     r2, 13
             beq     SHORT G_M24207_IG20
-            cmp     r12, 10
+            cmp     r2, 10
             beq     SHORT G_M24207_IG20
-                      ;; size=40 bbWeight=4 PerfScore 56.00
+                     ;; size=30 bbWeight=4 PerfScore 56.00
 G_M24207_IG22:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             ; byrRegs -[r7]
-            adds    r2, r2, 1
+            add     r2, r10, 1
             b       SHORT G_M24207_IG28
-                        ;; size=4 bbWeight=0.50 PerfScore 1.00
+                        ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG23:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref, isz
             ; byrRegs +[r7]
             cmp     r5, r6
             bhs     SHORT G_M24207_IG35
-            lsl     r12, r5, 1
-            ldrh    r12, [r7+r12]
-            cmp     r12, 32
+            lsls    r3, r5, 1
+            ldrh    r3, [r7+r3]
+            cmp     r3, 32
             beq     SHORT G_M24207_IG24
-            cmp     r12, 9
+            cmp     r3, 9
             beq     SHORT G_M24207_IG24
-            cmp     r12, 13
+            cmp     r3, 13
             beq     SHORT G_M24207_IG24
-            cmp     r12, 10
+            cmp     r3, 10
             bne     SHORT G_M24207_IG27
-                      ;; size=36 bbWeight=2 PerfScore 24.00
+                     ;; size=24 bbWeight=2 PerfScore 24.00
 G_M24207_IG24:        ; bbWeight=2, gcrefRegs=0001 {r0}, byrefRegs=0092 {r1 r4 r7}, byref
             adds    r5, r5, 1
                        ;; size=2 bbWeight=2 PerfScore 2.00
@@ -210,14 +210,14 @@ G_M24207_IG26:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r
             b       SHORT G_M24207_IG28
                        ;; size=2 bbWeight=0.50 PerfScore 0.50
 G_M24207_IG27:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
-            cmp     r12, 61
+            cmp     r3, 61
             beq     SHORT G_M24207_IG28
-            cmp     r12, 44
+            cmp     r3, 44
             bne     SHORT G_M24207_IG29
-                       ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M24207_IG28:        ; bbWeight=0.50, gcrefRegs=0001 {r0}, byrefRegs=0012 {r1 r4}, byref, isz
             str     r5, [r1]
-            cmp     r2, r3
+            cmp     r2, lr
             bne     SHORT G_M24207_IG31
                        ;; size=6 bbWeight=0.50 PerfScore 1.50
 G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, byref
@@ -229,15 +229,15 @@ G_M24207_IG29:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0010 {r4}, b
 G_M24207_IG30:        ; bbWeight=0.50, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, epilog, nogc
             ; byrRegs -[r4]
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref, isz
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            cmp     lr, 0
+            cmp     r9, 0
             bne     SHORT G_M24207_IG33
-            subs    r2, r2, r3
-            mov     r1, r3
+            sub     r2, r2, lr
+            mov     r1, lr
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             ldr     r3, [r3]
@@ -255,15 +255,15 @@ G_M24207_IG31:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
             ; gcrRegs -[r1]
             ; byrRegs -[r0 r4]
             movs    r0, 1
-                        ;; size=40 bbWeight=0.50 PerfScore 7.50
+                       ;; size=42 bbWeight=0.50 PerfScore 7.50
 G_M24207_IG32:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,pc}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,pc}
                         ;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0}, byrefRegs=0010 {r4}, gcvars, byref
             ; gcrRegs +[r0]
             ; byrRegs +[r4]
-            mov     r1, r3
+            mov     r1, lr
             mov     r3, r4
             ; byrRegs +[r3]
             movw    lr, 0xd1ff
@@ -272,7 +272,7 @@ G_M24207_IG33:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=0001 {r0},
                        ;; size=16 bbWeight=0.50 PerfScore 2.50
 G_M24207_IG34:        ; bbWeight=0.50, epilog, nogc, extend
             add     sp, 12
-            pop     {r4,r5,r6,r7,r8,r11,lr}
+            pop     {r4,r5,r6,r7,r8,r9,r10,r11,lr}
...

-40 (-4.11%) : 36710.dasm - System.RuntimeType:ValidateGenericArguments(System.Reflection.MemberInfo,System.RuntimeType[],System.Exception) (FullOpts) 

@@ -46,11 +46,11 @@
 ;* V35 tmp22        [V35    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <System.RuntimeTypeHandle>
 ;* V36 tmp23        [V36    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <System.RuntimeTypeHandle>
 ;  V37 tmp24        [V37,T03] (  6, 12   )     ref  ->   r0         class-hnd exact "Inline stloc first use temp" <System.RuntimeType>
-;  V38 tmp25        [V38,T29] (  3,  0   )     ref  ->   r8         class-hnd exact "NewObj constructor temp" <<unknown class>>
+;  V38 tmp25        [V38,T29] (  3,  0   )     ref  ->   r9         class-hnd exact "NewObj constructor temp" <<unknown class>>
 ;* V39 tmp26        [V39    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <System.RuntimeTypeHandle>
 ;* V40 tmp27        [V40    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inline return value spill temp" <System.RuntimeType>
-;  V41 tmp28        [V41,T04] (  6, 12   )     ref  ->   r8         class-hnd exact "Inline stloc first use temp" <System.RuntimeType>
-;  V42 tmp29        [V42,T30] (  3,  0   )     ref  ->   r9         class-hnd exact "NewObj constructor temp" <<unknown class>>
+;  V41 tmp28        [V41,T04] (  6, 12   )     ref  ->   r9         class-hnd exact "Inline stloc first use temp" <System.RuntimeType>
+;  V42 tmp29        [V42,T30] (  3,  0   )     ref  ->   r8         class-hnd exact "NewObj constructor temp" <<unknown class>>
 ;  V43 FramesRoot   [V43,T12] (  5,  4   )     int  ->   r5         "Pinvoke FrameListRoot"
 ;  V44 PInvokeFrame [V44    ] (  6,  4.50)  struct (36) [sp+0x04]  do-not-enreg[XS] addr-exposed "Pinvoke FrameVar"
 ;  V45 tmp32        [V45    ] ( 10, 17   )     ref  ->  [sp+0x4C]  do-not-enreg[X] addr-exposed "field V09.m_type (fldOffset=0x0)" P-DEP
@@ -109,7 +109,7 @@ G_M20848_IG03:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0000
             movw    r3, 0xd1ff
             movt    r3, 0xd1ff
             cmp     r0, r3
-            bne     G_M20848_IG30
+            bne     G_M20848_IG26
             mov     r0, r8
             ; gcrRegs +[r0]
             movw    r3, 0xd1ff
@@ -144,7 +144,7 @@ G_M20848_IG05:        ; bbWeight=0.25, gcrefRegs=0191 {r0 r4 r7 r8}, byrefRegs=0
             ; GC ptr vars +{V01}
             str     r4, [sp+0x30]  // [V03 loc0]
             ; GC ptr vars +{V03}
-            bne     G_M20848_IG31
+            bne     G_M20848_IG27
                      ;; size=20 bbWeight=0.25 PerfScore 1.75
 G_M20848_IG06:        ; bbWeight=0.50, gcVars=0000000000002440 {V01 V02 V03}, gcrefRegs=0100 {r8}, byrefRegs=0000 {}, gcvars, byref
             ; gcrRegs -[r4 r7]
@@ -226,20 +226,16 @@ G_M20848_IG12:        ; bbWeight=0.25, gcVars=0000000000002000 {V02}, gcrefRegs=
 G_M20848_IG13:        ; bbWeight=0.50, gcVars=0000000000002400 {V02 V03}, gcrefRegs=01D0 {r4 r6 r7 r8}, byrefRegs=0000 {}, gcvars, byref
             ; gcrRegs +[r6]
             ; GC ptr vars -{V01}
-            str     r8, [sp+0x3C]    // [V00 arg0]
-            ; GC ptr vars +{V00}
             ldr     r1, [r8+0x1C]
             ; gcrRegs +[r1]
-            ldr     r8, [sp+0x3C] // [V00 arg0]
-                       ;; size=12 bbWeight=0.50 PerfScore 1.50
+                       ;; size=4 bbWeight=0.50 PerfScore 0.50
 G_M20848_IG14:        ; bbWeight=0.50, gcrefRegs=01D2 {r1 r4 r6 r7 r8}, byrefRegs=0000 {}, byref, isz
-            ; GC ptr vars -{V00}
             mov     r0, r1
             ; gcrRegs +[r0]
             cmp     r0, 0
             ldr     r3, [sp+0x30]  // [V03 loc0]
             ; gcrRegs +[r3]
-            beq     SHORT G_M20848_IG23
+            beq     SHORT G_M20848_IG21
                       ;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M20848_IG15:        ; bbWeight=0.25, gcVars=0000000000002000 {V02}, gcrefRegs=01D3 {r0 r1 r4 r6 r7 r8}, byrefRegs=0000 {}, gcvars, byref, isz
             ; gcrRegs -[r3]
@@ -248,7 +244,7 @@ G_M20848_IG15:        ; bbWeight=0.25, gcVars=0000000000002000 {V02}, gcrefRegs=
             movw    r2, 0xd1ff
             movt    r2, 0xd1ff
             cmp     r3, r2
-            bne     G_M20848_IG32
+            bne     G_M20848_IG28
                        ;; size=16 bbWeight=0.25 PerfScore 1.25
 G_M20848_IG16:        ; bbWeight=0.50, gcrefRegs=01D1 {r0 r4 r6 r7 r8}, byrefRegs=0000 {}, byref
             ; gcrRegs -[r1]
@@ -275,12 +271,12 @@ G_M20848_IG17:        ; bbWeight=1, gcVars=0000000000002040 {V01 V02}, gcrefRegs
             ldr     r12, [r7+0x04]
             str     r12, [sp+0x40] // [V55 cse0]
             cmp     r12, 0
-            ble     SHORT G_M20848_IG25
+            ble     SHORT G_M20848_IG23
             cmp     r4, 0
-            beq     SHORT G_M20848_IG24
+            beq     SHORT G_M20848_IG22
             ldr     r0, [r4+0x04]
             cmp     r0, r12
-            blt     SHORT G_M20848_IG22
+            blt     SHORT G_M20848_IG20
                       ;; size=30 bbWeight=1 PerfScore 11.00
 G_M20848_IG18:        ; bbWeight=3.96, gcVars=0000000000002000 {V02}, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefRegs=0000 {}, gcvars, byref, isz
             ; GC ptr vars -{V01}
@@ -301,72 +297,55 @@ G_M20848_IG18:        ; bbWeight=3.96, gcVars=0000000000002000 {V02}, gcrefRegs=
             ldr     r0, [sp+0x4C]  // [V45 tmp32]
             ; gcrRegs +[r0]
             cmp     r0, 0
-            str     r8, [sp+0x3C]   // [V00 arg0]
-            ; GC ptr vars +{V00}
-            beq     G_M20848_IG33
-            ldrsb   r8, [r2]
-            ; gcrRegs -[r8]
+            beq     SHORT G_M20848_IG29
+            ldrsb   r9, [r2]
             str     r2, [sp+0x2C]  // [V11 loc8]
             ; GC ptr vars +{V11}
             str     r2, [sp+0x4C]  // [V45 tmp32]
-            ldr     r8, [sp+0x4C]   // [V45 tmp32]
-            ; gcrRegs +[r8]
-            cmp     r8, 0
-            beq     G_M20848_IG34
+            ldr     r9, [sp+0x4C]   // [V45 tmp32]
+            ; gcrRegs +[r9]
+            cmp     r9, 0
+            beq     G_M20848_IG30
             str     r3, [sp+0x30] // [V03 loc0]
             ; GC ptr vars +{V03}
             mov     r1, r3
             mov     r2, r6
-            mov     r3, r8
-            movw    r8, 0xd1ff
-            ; gcrRegs -[r8]
-            movt    r8, 0xd1ff
-            ldr     r8, [r8]
-            blx     r8     // System.RuntimeTypeHandle:SatisfiesConstraints(System.RuntimeType,System.RuntimeType[],System.RuntimeType[],System.RuntimeType):ubyte
+            mov     r3, r9
+            movw    r9, 0xd1ff
+            ; gcrRegs -[r9]
+            movt    r9, 0xd1ff
+            ldr     r9, [r9]
+            blx     r9     // System.RuntimeTypeHandle:SatisfiesConstraints(System.RuntimeType,System.RuntimeType[],System.RuntimeType[],System.RuntimeType):ubyte
             ; gcrRegs -[r0-r3]
             cmp     r0, 0
-            beq     SHORT G_M20848_IG21
-            ldr     r8, [sp+0x48]  // [V10 loc7]
-            add     r8, r8, 1
+            beq     G_M20848_IG31
+            ldr     r9, [sp+0x48]  // [V10 loc7]
+            add     r9, r9, 1
             ldr     lr, [sp+0x40] // [V55 cse0]
-            cmp     lr, r8
+            cmp     lr, r9
+            mov     lr, r9
             ldr     r3, [sp+0x30]    // [V03 loc0]
             ; gcrRegs +[r3]
-            bgt     SHORT G_M20848_IG20
-                       ;; size=104 bbWeight=3.96 PerfScore 138.60
+            bgt     SHORT G_M20848_IG18
+                       ;; size=102 bbWeight=3.96 PerfScore 138.60
 G_M20848_IG19:        ; bbWeight=1, gcVars=0000000000000000 {}, gcrefRegs=0000 {}, byrefRegs=0000 {}, gcvars, byref, isz
-            ; gcrRegs -[r3-r4 r6-r7]
-            ; GC ptr vars -{V00 V02 V03 V11 V12}
-            b       SHORT G_M20848_IG25
-                       ;; size=2 bbWeight=1 PerfScore 1.00
-G_M20848_IG20:        ; bbWeight=1.98, gcVars=0000000000002080 {V00 V02}, gcrefRegs=00D8 {r3 r4 r6 r7}, byrefRegs=0000 {}, gcvars, byref, isz
-            ; gcrRegs +[r3-r4 r6-r7]
-            ; GC ptr vars +{V00 V02}
-            mov     lr, r8
-            ldr     r8, [sp+0x3C]  // [V00 arg0]
-            ; gcrRegs +[r8]
-            b       SHORT G_M20848_IG18
-                       ;; size=8 bbWeight=1.98 PerfScore 5.94
-G_M20848_IG21:        ; bbWeight=1.98, gcVars=0000000000002086 {V00 V02 V11 V12}, gcrefRegs=0000 {}, byrefRegs=0000 {}, gcvars, byref, isz
             ; gcrRegs -[r3-r4 r6-r8]
-            ; GC ptr vars +{V01 V11 V12}
-            ldr     r9, [sp+0x34]  // [V02 arg2]
-            ; gcrRegs +[r9]
-            b       SHORT G_M20848_IG35
-                       ;; size=6 bbWeight=1.98 PerfScore 3.96
-G_M20848_IG22:        ; bbWeight=0.50, gcVars=0000000000002000 {V02}, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefRegs=0000 {}, gcvars, byref, isz
-            ; gcrRegs -[r9] +[r3-r4 r6-r8]
-            ; GC ptr vars -{V00 V01 V02 V11 V12}
+            ; GC ptr vars -{V02 V03 V11 V12}
+            b       SHORT G_M20848_IG23
+                       ;; size=2 bbWeight=1 PerfScore 1.00
+G_M20848_IG20:        ; bbWeight=0.50, gcVars=0000000000002000 {V02}, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefRegs=0000 {}, gcvars, byref, isz
+            ; gcrRegs +[r3-r4 r6-r8]
+            ; GC ptr vars +{V02}
             ldr     r12, [sp+0x40] // [V55 cse0]
-            b       SHORT G_M20848_IG24
+            b       SHORT G_M20848_IG22
                      ;; size=6 bbWeight=0.50 PerfScore 1.00
-G_M20848_IG23:        ; bbWeight=0.25, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefRegs=0000 {}, byref, isz
+G_M20848_IG21:        ; bbWeight=0.25, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefRegs=0000 {}, byref, isz
             str     r7, [sp+0x38]   // [V01 arg1]
             ; GC ptr vars +{V01}
             b       SHORT G_M20848_IG17
                        ;; size=4 bbWeight=0.25 PerfScore 0.50
-G_M20848_IG24:        ; bbWeight=0.04, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefRegs=0000 {}, byref, isz
-            ; GC ptr vars -{V01} +{V02}
+G_M20848_IG22:        ; bbWeight=0.04, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefRegs=0000 {}, byref, isz
+            ; GC ptr vars -{V01}
             add     r0, r7, 8
             ; byrRegs +[r0]
             lsl     r1, lr, 2
@@ -375,7 +354,7 @@ G_M20848_IG24:        ; bbWeight=0.04, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefReg
             ldr     r0, [r4+0x04]
             ; byrRegs -[r0]
             cmp     lr, r0
-            bhs     SHORT G_M20848_IG29
+            bhs     SHORT G_M20848_IG25
             add     r0, r4, 8
             ; byrRegs +[r0]
             str     lr, [sp+0x48]  // [V10 loc7]
@@ -390,75 +369,56 @@ G_M20848_IG24:        ; bbWeight=0.04, gcrefRegs=01D8 {r3 r4 r6 r7 r8}, byrefReg
             ldr     r0, [sp+0x4C]  // [V45 tmp32]
             ; gcrRegs +[r0]
             cmp     r0, 0
-            str     r8, [sp+0x3C]   // [V00 arg0]
-            ; GC ptr vars +{V00}
-            beq     SHORT G_M20848_IG33
-            ldrsb   r8, [r2]
-            ; gcrRegs -[r8]
+            beq     SHORT G_M20848_IG29
+            ldrsb   r9, [r2]
             str     r2, [sp+0x2C]  // [V11 loc8]
             ; GC ptr vars +{V11}
             str     r2, [sp+0x4C]  // [V45 tmp32]
-            ldr     r8, [sp+0x4C]   // [V45 tmp32]
-            ; gcrRegs +[r8]
-            cmp     r8, 0
-            beq     SHORT G_M20848_IG34
+            ldr     r9, [sp+0x4C] // [V45 tmp32]
+            ; gcrRegs +[r9]
+            cmp     r9, 0
+            beq     SHORT G_M20848_IG30
             str     r3, [sp+0x30]   // [V03 loc0]
             ; GC ptr vars +{V03}
             mov     r1, r3
             mov     r2, r6
-            mov     r3, r8
-            movw    r8, 0xd1ff
-            ; gcrRegs -[r8]
-            movt    r8, 0xd1ff
-            ldr     r8, [r8]
-            blx     r8     // System.RuntimeTypeHandle:SatisfiesConstraints(System.RuntimeType,System.RuntimeType[],System.RuntimeType[],System.RuntimeType):ubyte
+            mov     r3, r9
+            movw    r9, 0xd1ff
+            ; gcrRegs -[r9]
+            movt    r9, 0xd1ff
+            ldr     r9, [r9]
+            blx     r9     // System.RuntimeTypeHandle:SatisfiesConstraints(System.RuntimeType,System.RuntimeType[],System.RuntimeType[],System.RuntimeType):ubyte
             ; gcrRegs -[r0-r3]
             cmp     r0, 0
-            beq     SHORT G_M20848_IG28
-            ldr     r8, [sp+0x48]  // [V10 loc7]
-            add     r8, r8, 1
+            beq     SHORT G_M20848_IG31
+            ldr     r9, [sp+0x48]  // [V10 loc7]
+            add     r9, r9, 1
             ldr     r0, [sp+0x40] // [V55 cse0]
-            cmp     r0, r8
+            cmp     r0, r9
             mov     r12, r0
-            mov     lr, r8
+            mov     lr, r9
             ldr     r3, [sp+0x30]   // [V03 loc0]
             ; gcrRegs +[r3]
-            bgt     SHORT G_M20848_IG27
-                       ;; size=112 bbWeight=0.04 PerfScore 1.64
-G_M20848_IG25:        ; bbWeight=1, gcVars=0000000000000000 {}, gcrefRegs=0000 {}, byrefRegs=0000 {}, gcvars, byref
-            ; gcrRegs -[r3-r4 r6-r7]
...

-22 (-3.27%) : 30739.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetNextToken(byref,System.Func2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],ubyte,System.Func2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts) 

@@ -8,35 +8,35 @@
 ; 0 inlinees with PGO data; 31 single block inlinees; 9 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T07] (  6,  7   )     ref  ->  [sp+0x34]  this class-hnd single-def <Microsoft.CodeAnalysis.SyntaxNavigator>
+;  V00 this         [V00,T07] (  6,  7   )     ref  ->   r6         this class-hnd single-def <Microsoft.CodeAnalysis.SyntaxNavigator>
 ;  V01 RetBuf       [V01,T05] ( 16,  9   )   byref  ->   r5         single-def
-;  V02 arg1         [V02,T01] ( 10, 12.50)   byref  ->  [sp+0x30]  single-def
-;  V03 arg2         [V03,T08] (  6,  7   )     ref  ->  [sp+0x2C]  class-hnd single-def <System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte]>
-;  V04 arg3         [V04,T48] (  1,  0.50)   ubyte  ->  [sp+0xE0]  single-def
-;  V05 arg4         [V05,T25] (  4,  5   )     ref  ->  [sp+0xE4]  class-hnd single-def <System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]>
+;  V02 arg1         [V02,T01] ( 10, 12.50)   byref  ->   r4         single-def
+;  V03 arg2         [V03,T08] (  6,  7   )     ref  ->   r7         class-hnd single-def <System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte]>
+;  V04 arg3         [V04,T48] (  1,  0.50)   ubyte  ->  [sp+0xD8]  single-def
+;  V05 arg4         [V05,T25] (  4,  5   )     ref  ->   r8         class-hnd single-def <System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]>
 ;  V06 loc0         [V06,T26] (  3,  4.50)   ubyte  ->   r9        
-;  V07 loc1         [V07    ] (  6,  3   )  struct (16) [sp+0xA8]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxToken>
+;  V07 loc1         [V07    ] (  6,  3   )  struct (16) [sp+0xA0]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxToken>
 ;* V08 loc2         [V08    ] (  0,  0   )  struct (12) zero-ref    ld-addr-op <Microsoft.CodeAnalysis.ChildSyntaxList+Enumerator>
 ;* V09 loc3         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <Microsoft.CodeAnalysis.ChildSyntaxList>
-;  V10 loc4         [V10    ] ( 15, 30   )  struct (16) [sp+0x98]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxNodeOrToken>
-;  V11 loc5         [V11    ] (  6,  6   )  struct (16) [sp+0x88]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxToken>
-;  V12 loc6         [V12    ] (  6,  6   )  struct (16) [sp+0x78]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxToken>
+;  V10 loc4         [V10    ] ( 15, 30   )  struct (16) [sp+0x90]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxNodeOrToken>
+;  V11 loc5         [V11    ] (  6,  6   )  struct (16) [sp+0x80]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxToken>
+;  V12 loc6         [V12    ] (  6,  6   )  struct (16) [sp+0x70]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.SyntaxToken>
 ;* V13 loc7         [V13    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] ld-addr-op <Microsoft.CodeAnalysis.SyntaxToken>
 ;  V14 OutArgs      [V14    ] (  1,  1   )  struct (28) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V15 tmp1         [V15    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] "spilled call-like call argument" <Microsoft.CodeAnalysis.SyntaxToken>
 ;* V16 tmp2         [V16    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] "spilled call-like call argument" <Microsoft.CodeAnalysis.SyntaxToken>
-;  V17 tmp3         [V17,T39] (  2,  2   )  struct (28) [sp+0x5C]  do-not-enreg[HS] must-init hidden-struct-arg "spilled call-like call argument" <Microsoft.CodeAnalysis.SyntaxTriviaList>
+;  V17 tmp3         [V17,T39] (  2,  2   )  struct (28) [sp+0x54]  do-not-enreg[HS] must-init hidden-struct-arg "spilled call-like call argument" <Microsoft.CodeAnalysis.SyntaxTriviaList>
 ;  V18 tmp4         [V18,T41] (  2,  1   )     int  ->   r1         "Inline return value spill temp"
 ;  V19 tmp5         [V19,T36] (  3,  3   )     ref  ->   r1         class-hnd single-def "dup spill" <Microsoft.CodeAnalysis.GreenNode>
 ;* V20 tmp6         [V20    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V21 tmp7         [V21,T37] (  3,  3   )     ref  ->  [sp+0x28]  class-hnd spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.SyntaxNode>
+;  V21 tmp7         [V21,T37] (  3,  3   )     ref  ->  [sp+0x2C]  class-hnd spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.SyntaxNode>
 ;* V22 tmp8         [V22    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.CodeAnalysis.ChildSyntaxList>
 ;* V23 tmp9         [V23    ] (  0,  0   )  struct (12) zero-ref    "Inline return value spill temp" <Microsoft.CodeAnalysis.ChildSyntaxList+Enumerator>
 ;* V24 tmp10        [V24    ] (  0,  0   )  struct (12) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.CodeAnalysis.ChildSyntaxList+Enumerator>
 ;* V25 tmp11        [V25    ] (  0,  0   )  struct (12) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <Microsoft.CodeAnalysis.ChildSyntaxList+Enumerator>
 ;* V26 tmp12        [V26    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <Microsoft.CodeAnalysis.SyntaxNode>
 ;* V27 tmp13        [V27    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
-;  V28 tmp14        [V28,T00] (  9, 18   )  struct (16) [sp+0x4C]  do-not-enreg[SA] multireg-arg must-init "Inline return value spill temp" <Microsoft.CodeAnalysis.SyntaxToken>
+;  V28 tmp14        [V28,T00] (  9, 18   )  struct (16) [sp+0x44]  do-not-enreg[SA] multireg-arg must-init "Inline return value spill temp" <Microsoft.CodeAnalysis.SyntaxToken>
 ;* V29 tmp15        [V29    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] ld-addr-op "Inline ldloca(s) first use temp" <Microsoft.CodeAnalysis.SyntaxToken>
 ;  V30 tmp16        [V30,T09] (  2,  8   )     ref  ->   r3         class-hnd "impAppendStmt" <Microsoft.CodeAnalysis.SyntaxNode>
 ;  V31 tmp17        [V31,T10] (  2,  8   )     ref  ->   r2         class-hnd "impAppendStmt" <Microsoft.CodeAnalysis.GreenNode>
@@ -47,15 +47,15 @@
 ;  V36 tmp22        [V36,T02] (  3, 12   )     ref  ->   r1         class-hnd "dup spill" <Microsoft.CodeAnalysis.GreenNode>
 ;* V37 tmp23        [V37    ] (  0,  0   )     ref  ->  zero-ref   
 ;  V38 tmp24        [V38,T18] (  3,  6   )     ref  ->   r2         class-hnd "Inline return value spill temp" <Microsoft.CodeAnalysis.SyntaxNode>
-;  V39 tmp25        [V39,T22] (  2,  4   )     int  ->   r1         "Inline return value spill temp"
-;  V40 tmp26        [V40,T03] (  3, 12   )     ref  ->   r1         class-hnd "dup spill" <Microsoft.CodeAnalysis.GreenNode>
+;  V39 tmp25        [V39,T22] (  2,  4   )     int  ->   r2         "Inline return value spill temp"
+;  V40 tmp26        [V40,T03] (  3, 12   )     ref  ->   r2         class-hnd "dup spill" <Microsoft.CodeAnalysis.GreenNode>
 ;* V41 tmp27        [V41    ] (  0,  0   )     ref  ->  zero-ref   
 ;* V42 tmp28        [V42    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] "Inline return value spill temp" <Microsoft.CodeAnalysis.SyntaxToken>
 ;* V43 tmp29        [V43    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] ld-addr-op "Inline ldloca(s) first use temp" <Microsoft.CodeAnalysis.SyntaxToken>
-;  V44 tmp30        [V44,T11] (  2,  8   )     ref  ->   r1         class-hnd "impAppendStmt" <Microsoft.CodeAnalysis.SyntaxNode>
+;  V44 tmp30        [V44,T11] (  2,  8   )     ref  ->   r2         class-hnd "impAppendStmt" <Microsoft.CodeAnalysis.SyntaxNode>
 ;  V45 tmp31        [V45,T12] (  2,  8   )     ref  ->   r0         class-hnd "impAppendStmt" <Microsoft.CodeAnalysis.GreenNode>
 ;* V46 tmp32        [V46    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.CodeAnalysis.SyntaxToken>
-;  V47 tmp33        [V47,T15] (  2,  8   )     int  ->   r2         "Inlining Arg"
+;  V47 tmp33        [V47,T15] (  2,  8   )     int  ->   r1         "Inlining Arg"
 ;  V48 tmp34        [V48,T16] (  2,  8   )     int  ->   r3         "Inlining Arg"
 ;* V49 tmp35        [V49    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <Microsoft.CodeAnalysis.SyntaxToken>
 ;* V50 tmp36        [V50    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] "Inlining Arg" <Microsoft.CodeAnalysis.SyntaxToken>
@@ -67,27 +67,27 @@
 ;* V56 tmp42        [V56    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
 ;* V57 tmp43        [V57,T17] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V58 tmp44        [V58,T04] (  3, 12   )     int  ->  r12         "Inline stloc first use temp"
-;  V59 tmp45        [V59    ] (  2,  1   )     ref  ->  [sp+0xA8]  do-not-enreg[X] addr-exposed "field V07.<Parent>k__BackingField (fldOffset=0x0)" P-DEP
-;  V60 tmp46        [V60    ] (  3,  1.50)     ref  ->  [sp+0xAC]  do-not-enreg[X] addr-exposed "field V07.<Node>k__BackingField (fldOffset=0x4)" P-DEP
-;  V61 tmp47        [V61    ] (  2,  1   )     int  ->  [sp+0xB0]  do-not-enreg[X] addr-exposed "field V07.<Index>k__BackingField (fldOffset=0x8)" P-DEP
-;  V62 tmp48        [V62    ] (  2,  1   )     int  ->  [sp+0xB4]  do-not-enreg[X] addr-exposed "field V07.<Position>k__BackingField (fldOffset=0xc)" P-DEP
-;  V63 tmp49        [V63,T38] (  2,  2.50)     ref  ->  [sp+0x24]  spill-single-def "field V08._node (fldOffset=0x0)" P-INDEP
-;  V64 tmp50        [V64,T27] (  2,  4.50)     int  ->  [sp+0x48]  spill-single-def "field V08._count (fldOffset=0x4)" P-INDEP
-;  V65 tmp51        [V65,T06] (  4, 10.50)     int  ->  [sp+0x44]  "field V08._childIndex (fldOffset=0x8)" P-INDEP
+;  V59 tmp45        [V59    ] (  2,  1   )     ref  ->  [sp+0xA0]  do-not-enreg[X] addr-exposed "field V07.<Parent>k__BackingField (fldOffset=0x0)" P-DEP
+;  V60 tmp46        [V60    ] (  3,  1.50)     ref  ->  [sp+0xA4]  do-not-enreg[X] addr-exposed "field V07.<Node>k__BackingField (fldOffset=0x4)" P-DEP
+;  V61 tmp47        [V61    ] (  2,  1   )     int  ->  [sp+0xA8]  do-not-enreg[X] addr-exposed "field V07.<Index>k__BackingField (fldOffset=0x8)" P-DEP
+;  V62 tmp48        [V62    ] (  2,  1   )     int  ->  [sp+0xAC]  do-not-enreg[X] addr-exposed "field V07.<Position>k__BackingField (fldOffset=0xc)" P-DEP
+;  V63 tmp49        [V63,T38] (  2,  2.50)     ref  ->  [sp+0x28]  spill-single-def "field V08._node (fldOffset=0x0)" P-INDEP
+;  V64 tmp50        [V64,T27] (  2,  4.50)     int  ->  [sp+0x40]  spill-single-def "field V08._count (fldOffset=0x4)" P-INDEP
+;  V65 tmp51        [V65,T06] (  4, 10.50)     int  ->  [sp+0x3C]  "field V08._childIndex (fldOffset=0x8)" P-INDEP
 ;* V66 tmp52        [V66    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V09._node (fldOffset=0x0)" P-INDEP
 ;* V67 tmp53        [V67    ] (  0,  0   )     int  ->  zero-ref    single-def "field V09._count (fldOffset=0x4)" P-INDEP
-;  V68 tmp54        [V68    ] (  4,  8   )     ref  ->  [sp+0x98]  do-not-enreg[X] addr-exposed "field V10._nodeOrParent (fldOffset=0x0)" P-DEP
-;  V69 tmp55        [V69    ] (  6, 12   )     ref  ->  [sp+0x9C]  do-not-enreg[X] addr-exposed "field V10._token (fldOffset=0x4)" P-DEP
-;  V70 tmp56        [V70    ] (  3,  6   )     int  ->  [sp+0xA0]  do-not-enreg[X] addr-exposed "field V10._position (fldOffset=0x8)" P-DEP
-;  V71 tmp57        [V71    ] (  5, 10   )     int  ->  [sp+0xA4]  do-not-enreg[X] addr-exposed "field V10._tokenIndex (fldOffset=0xc)" P-DEP
-;  V72 tmp58        [V72    ] (  2,  2.50)     ref  ->  [sp+0x88]  do-not-enreg[X] addr-exposed "field V11.<Parent>k__BackingField (fldOffset=0x0)" P-DEP
-;  V73 tmp59        [V73    ] (  3,  4.50)     ref  ->  [sp+0x8C]  do-not-enreg[X] addr-exposed "field V11.<Node>k__BackingField (fldOffset=0x4)" P-DEP
-;  V74 tmp60        [V74    ] (  2,  2.50)     int  ->  [sp+0x90]  do-not-enreg[X] addr-exposed "field V11.<Index>k__BackingField (fldOffset=0x8)" P-DEP
-;  V75 tmp61        [V75    ] (  2,  2.50)     int  ->  [sp+0x94]  do-not-enreg[X] addr-exposed "field V11.<Position>k__BackingField (fldOffset=0xc)" P-DEP
-;  V76 tmp62        [V76    ] (  2,  2.50)     ref  ->  [sp+0x78]  do-not-enreg[X] addr-exposed "field V12.<Parent>k__BackingField (fldOffset=0x0)" P-DEP
-;  V77 tmp63        [V77    ] (  3,  4.50)     ref  ->  [sp+0x7C]  do-not-enreg[X] addr-exposed "field V12.<Node>k__BackingField (fldOffset=0x4)" P-DEP
-;  V78 tmp64        [V78    ] (  2,  2.50)     int  ->  [sp+0x80]  do-not-enreg[X] addr-exposed "field V12.<Index>k__BackingField (fldOffset=0x8)" P-DEP
-;  V79 tmp65        [V79    ] (  2,  2.50)     int  ->  [sp+0x84]  do-not-enreg[X] addr-exposed "field V12.<Position>k__BackingField (fldOffset=0xc)" P-DEP
+;  V68 tmp54        [V68    ] (  4,  8   )     ref  ->  [sp+0x90]  do-not-enreg[X] addr-exposed "field V10._nodeOrParent (fldOffset=0x0)" P-DEP
+;  V69 tmp55        [V69    ] (  6, 12   )     ref  ->  [sp+0x94]  do-not-enreg[X] addr-exposed "field V10._token (fldOffset=0x4)" P-DEP
+;  V70 tmp56        [V70    ] (  3,  6   )     int  ->  [sp+0x98]  do-not-enreg[X] addr-exposed "field V10._position (fldOffset=0x8)" P-DEP
+;  V71 tmp57        [V71    ] (  5, 10   )     int  ->  [sp+0x9C]  do-not-enreg[X] addr-exposed "field V10._tokenIndex (fldOffset=0xc)" P-DEP
+;  V72 tmp58        [V72    ] (  2,  2.50)     ref  ->  [sp+0x80]  do-not-enreg[X] addr-exposed "field V11.<Parent>k__BackingField (fldOffset=0x0)" P-DEP
+;  V73 tmp59        [V73    ] (  3,  4.50)     ref  ->  [sp+0x84]  do-not-enreg[X] addr-exposed "field V11.<Node>k__BackingField (fldOffset=0x4)" P-DEP
+;  V74 tmp60        [V74    ] (  2,  2.50)     int  ->  [sp+0x88]  do-not-enreg[X] addr-exposed "field V11.<Index>k__BackingField (fldOffset=0x8)" P-DEP
+;  V75 tmp61        [V75    ] (  2,  2.50)     int  ->  [sp+0x8C]  do-not-enreg[X] addr-exposed "field V11.<Position>k__BackingField (fldOffset=0xc)" P-DEP
+;  V76 tmp62        [V76    ] (  2,  2.50)     ref  ->  [sp+0x70]  do-not-enreg[X] addr-exposed "field V12.<Parent>k__BackingField (fldOffset=0x0)" P-DEP
+;  V77 tmp63        [V77    ] (  3,  4.50)     ref  ->  [sp+0x74]  do-not-enreg[X] addr-exposed "field V12.<Node>k__BackingField (fldOffset=0x4)" P-DEP
+;  V78 tmp64        [V78    ] (  2,  2.50)     int  ->  [sp+0x78]  do-not-enreg[X] addr-exposed "field V12.<Index>k__BackingField (fldOffset=0x8)" P-DEP
+;  V79 tmp65        [V79    ] (  2,  2.50)     int  ->  [sp+0x7C]  do-not-enreg[X] addr-exposed "field V12.<Position>k__BackingField (fldOffset=0xc)" P-DEP
 ;* V80 tmp66        [V80    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V22._node (fldOffset=0x0)" P-INDEP
 ;  V81 tmp67        [V81,T44] (  2,  1   )     int  ->   r0         single-def "field V22._count (fldOffset=0x4)" P-INDEP
 ;  V82 tmp68        [V82,T42] (  2,  1   )     ref  ->   r3         "field V23._node (fldOffset=0x0)" P-INDEP
@@ -111,25 +111,25 @@
 ;* V100 tmp86       [V100    ] (  0,  0   )     ref  ->  zero-ref    "field V49.<Node>k__BackingField (fldOffset=0x4)" P-INDEP
 ;* V101 tmp87       [V101    ] (  0,  0   )     int  ->  zero-ref    "field V49.<Index>k__BackingField (fldOffset=0x8)" P-INDEP
 ;* V102 tmp88       [V102    ] (  0,  0   )     int  ->  zero-ref    "field V49.<Position>k__BackingField (fldOffset=0xc)" P-INDEP
-;  V103 tmp89       [V103,T30] (  2,  4   )     ref  ->   r6         "field V52.<Parent>k__BackingField (fldOffset=0x0)" P-INDEP
+;  V103 tmp89       [V103,T30] (  2,  4   )     ref  ->  [sp+0x24]  spill-single-def "field V52.<Parent>k__BackingField (fldOffset=0x0)" P-INDEP
 ;  V104 tmp90       [V104,T31] (  2,  4   )     ref  ->  [sp+0x20]  "field V52.<Node>k__BackingField (fldOffset=0x4)" P-INDEP
-;  V105 tmp91       [V105,T34] (  2,  4   )     int  ->  [sp+0x40]  "field V52.<Index>k__BackingField (fldOffset=0x8)" P-INDEP
-;  V106 tmp92       [V106,T35] (  2,  4   )     int  ->  [sp+0x3C]  "field V52.<Position>k__BackingField (fldOffset=0xc)" P-INDEP
-;  V107 tmp93       [V107,T19] (  3,  6   )     ref  ->   r1         "V42.[000..004)"
+;  V105 tmp91       [V105,T34] (  2,  4   )     int  ->  [sp+0x38]  "field V52.<Index>k__BackingField (fldOffset=0x8)" P-INDEP
+;  V106 tmp92       [V106,T35] (  2,  4   )     int  ->  [sp+0x34]  "field V52.<Position>k__BackingField (fldOffset=0xc)" P-INDEP
+;  V107 tmp93       [V107,T19] (  3,  6   )     ref  ->   r2         "V42.[000..004)"
 ;  V108 tmp94       [V108,T20] (  3,  6   )     ref  ->   r0         "V42.[004..008)"
-;  V109 tmp95       [V109,T23] (  3,  6   )     int  ->  [sp+0x38]  "V42.[008..012)"
+;  V109 tmp95       [V109,T23] (  3,  6   )     int  ->  [sp+0x30]  "V42.[008..012)"
 ;  V110 tmp96       [V110,T24] (  3,  6   )     int  ->  registers   "V42.[012..016)"
 ;* V111 tmp97       [V111    ] (  0,  0   )     ref  ->  zero-ref    "V43.[000..004)"
 ;* V112 tmp98       [V112    ] (  0,  0   )     ref  ->  zero-ref    "V43.[004..008)"
 ;* V113 tmp99       [V113    ] (  0,  0   )     int  ->  zero-ref    "V43.[008..012)"
 ;* V114 tmp100      [V114    ] (  0,  0   )     int  ->  zero-ref    "V43.[012..016)"
 ;
-; Lcl frame size = 188
+; Lcl frame size = 180
 
 G_M12762_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
             push    {r4,r5,r6,r7,r8,r9,r10,r11,lr}
-            sub     sp, 188
-            add     r11, sp, 216
+            sub     sp, 180
+            add     r11, sp, 208
             sub     r6, r11, 140
             movs    r7, 13
             movs    r4, 0
@@ -146,7 +146,7 @@ G_M12762_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
             ; byrRegs +[r4]
             mov     r7, r3
             ; gcrRegs +[r7]
-            ldr     r8, [sp+0xE4] // [V05 arg4]
+            ldr     r8, [sp+0xDC]    // [V05 arg4]
             ; gcrRegs +[r8]
                        ;; size=40 bbWeight=1 PerfScore 16.00
 G_M12762_IG02:        ; bbWeight=1, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030 {r4 r5}, byref, isz
@@ -157,10 +157,10 @@ G_M12762_IG02:        ; bbWeight=1, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030 {r
                        ;; size=8 bbWeight=1 PerfScore 3.00
 G_M12762_IG03:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030 {r4 r5}, byref, isz
             ; gcrRegs -[r1]
-            ldrb    r1, [sp+0xE0]
+            ldrb    r1, [sp+0xD8]
             cmp     r1, 0
             beq     SHORT G_M12762_IG04
-            add     r1, sp, 92
+            add     r1, sp, 84
             mov     r0, r4
             ; byrRegs +[r0]
             movw    r3, 0xd1ff
@@ -170,22 +170,22 @@ G_M12762_IG03:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030
             ; byrRegs -[r0]
             str     r7, [sp+0x14]
             str     r8, [sp+0x18]
-            ldr     r2, [sp+0x64]
+            ldr     r2, [sp+0x5C]
             str     r2, [sp]
-            ldr     r2, [sp+0x68]
+            ldr     r2, [sp+0x60]
             ; gcrRegs +[r2]
             str     r2, [sp+0x04]
-            ldr     r2, [sp+0x6C]
+            ldr     r2, [sp+0x64]
             str     r2, [sp+0x08]
-            ldr     r2, [sp+0x70]
+            ldr     r2, [sp+0x68]
             ; gcrRegs -[r2]
             str     r2, [sp+0x0C]
-            ldr     r2, [sp+0x74]
+            ldr     r2, [sp+0x6C]
             str     r2, [sp+0x10]
-            ldr     r2, [sp+0x5C]
+            ldr     r2, [sp+0x54]
             ; gcrRegs +[r2]
-            ldr     r3, [sp+0x60]
-            add     r1, sp, 168
+            ldr     r3, [sp+0x58]
+            add     r1, sp, 160
             mov     r0, r6
             ; gcrRegs +[r0]
             movw    lr, 0xd1ff
@@ -193,7 +193,7 @@ G_M12762_IG03:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030
             ldr     lr, [lr]
             blx     lr     // Microsoft.CodeAnalysis.SyntaxNavigator:GetFirstToken(Microsoft.CodeAnalysis.SyntaxTriviaList,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this
             ; gcrRegs -[r0 r2]
-            ldr     r1, [sp+0xAC]
+            ldr     r1, [sp+0xA4]
             ; gcrRegs +[r1]
             cmp     r1, 0
             beq     SHORT G_M12762_IG04
@@ -201,7 +201,7 @@ G_M12762_IG03:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030
             ; gcrRegs -[r1]
             cmp     r1, 0
             beq     SHORT G_M12762_IG04
-            ldr     r1, [sp+0xA8]
+            ldr     r1, [sp+0xA0]
             ; gcrRegs +[r1]
             mov     r0, r5
             ; byrRegs +[r0]
@@ -212,16 +212,16 @@ G_M12762_IG03:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030
             ; byrRegs -[r0 r4]
             adds    r0, r5, 4
             ; byrRegs +[r0]
-            ldr     r1, [sp+0xAC]
+            ldr     r1, [sp+0xA4]
             ; gcrRegs +[r1]
             movw    r12, 0xd1ff
             movt    r12, 0xd1ff
             blx     r12        // CORINFO_HELP_CHECKED_ASSIGN_REF
             ; gcrRegs -[r1]
             ; byrRegs -[r0]
-            ldr     r0, [sp+0xB0]
+            ldr     r0, [sp+0xA8]
             str     r0, [r5+0x08]
-            ldr     r0, [sp+0xB4]
+            ldr     r0, [sp+0xAC]
             str     r0, [r5+0x0C]
             b       SHORT G_M12762_IG23
                        ;; size=122 bbWeight=0.50 PerfScore 25.00
@@ -231,7 +231,7 @@ G_M12762_IG04:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030
             mov     r9, 0
             ldr     r3, [r4]
             ; gcrRegs +[r3]
-            str     r3, [sp+0x28]
+            str     r3, [sp+0x2C]
             ; GC ptr vars +{V21}
             ldr     r0, [r3+0x0C]
             ; gcrRegs +[r0]
@@ -240,21 +240,21 @@ G_M12762_IG04:        ; bbWeight=0.50, gcrefRegs=01C0 {r6 r7 r8}, byrefRegs=0030
...

+20 (+50.00%) : 20716.dasm - System.Collections.Immutable.ImmutableHashSet1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts) 

@@ -17,13 +17,13 @@
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V08 tmp5         [V08    ] (  0,  0   )     ref  ->  zero-ref    "field V02._firstValue (fldOffset=0x0)" P-INDEP
-;  V09 tmp6         [V09,T06] (  3,  2.50)     ref  ->   r0         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
-;* V10 cse0         [V10,T05] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V11 rat0         [V11,T04] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V09 tmp6         [V09,T06] (  3,  2.50)     ref  ->   r3         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
+;  V10 cse0         [V10,T05] (  3,  3   )     int  ->   r0         "CSE - aggressive"
+;  V11 rat0         [V11,T04] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V12 rat1         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat2         [V13,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat2         [V13,T00] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;* V14 rat3         [V14,T08] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V15 rat4         [V15,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V15 rat4         [V15,T01] (  2,  4   )     int  ->   r0         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -37,19 +37,31 @@ G_M10050_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
                        ;; size=10 bbWeight=1 PerfScore 5.00
 G_M10050_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, isz
             ldr     r0, [r4]
-            ldr     r0, [sp+0x1C]
-            ; gcrRegs +[r0]
+            mov     r3, r0
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x08]
+            cmp     r3, 0
+            ldr     r3, [sp+0x1C]
+            ; gcrRegs +[r3]
+            ldr     r0, [r0+0x24]
+            ldr     r0, [r0]
+            ldr     r0, [r0+0x0C]
             cmp     r0, 0
+            cmp     r3, 0
             beq     SHORT G_M10050_IG04
-                     ;; size=8 bbWeight=1 PerfScore 4.00
-G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=0011 {r0 r4}, byrefRegs=0000 {}, byref
+                      ;; size=26 bbWeight=1 PerfScore 13.00
+G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=0018 {r3 r4}, byrefRegs=0000 {}, byref
+            mov     r0, r3
+            ; gcrRegs +[r0]
             movw    r3, 0xd1ff
+            ; gcrRegs -[r3]
             movt    r3, 0xd1ff
             ldr     r3, [r3]
             blx     r3     // System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:Freeze():this
             ; gcrRegs -[r0]
             ; gcr arg pop 0
-                      ;; size=12 bbWeight=0.50 PerfScore 2.00
+                       ;; size=14 bbWeight=0.50 PerfScore 2.50
 G_M10050_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref, epilog, nogc
             add     sp, 12
             pop     {r4,lr}
@@ -57,7 +69,7 @@ G_M10050_IG04:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             bx      lr
                        ;; size=10 bbWeight=1 PerfScore 4.00
 
-; Total bytes of code 40, prolog size 8, PerfScore 15.00, instruction count 17, allocated bytes for code 40 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
+; Total bytes of code 60, prolog size 8, PerfScore 24.50, instruction count 27, allocated bytes for code 60 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -69,7 +81,7 @@ Unwind Info:
   E bit             : 0
   X bit             : 0
   Vers              : 0
-  Function Length   : 20 (0x00014) Actual length = 40 (0x000028)
+  Function Length   : 30 (0x0001e) Actual length = 60 (0x00003c)
   ---- Epilog scopes ----
   ---- Scope 0
   Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

+18 (+50.00%) : 37044.dasm - System.Collections.Generic.SortedDictionary`2[int,System.__Canon]:Remove(int):ubyte:this (FullOpts) 

@@ -8,7 +8,7 @@
 ; 0 inlinees with PGO data; 2 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T00] (  3,  3   )     ref  ->   r4         this class-hnd single-def <System.Collections.Generic.SortedDictionary`2[int,System.__Canon]>
+;  V00 this         [V00,T00] (  4,  4   )     ref  ->   r4         this class-hnd single-def <System.Collections.Generic.SortedDictionary`2[int,System.__Canon]>
 ;  V01 arg1         [V01,T02] (  3,  3   )     int  ->   r1         single-def
 ;* V02 loc0         [V02    ] (  0,  0   )     ref  ->  zero-ref    ld-addr-op class-hnd single-def <System.__Canon>
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [sp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
@@ -23,21 +23,28 @@
 ;  V12 tmp9         [V12,T05] (  2,  2   )     int  ->   r2         "field V06.key (fldOffset=0x4)" P-INDEP
 ;* V13 tmp10        [V13    ] (  0,  0   )     ref  ->  zero-ref    "field V10.value (fldOffset=0x0)" P-INDEP
 ;* V14 tmp11        [V14    ] (  0,  0   )     int  ->  zero-ref    "field V10.key (fldOffset=0x4)" P-INDEP
-;* V15 rat0         [V15,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V15 rat0         [V15,T03] (  2,  4   )     int  ->   r2         "Spilling to split statement for tree"
 ;* V16 rat1         [V16,T06] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V17 rat2         [V17,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V17 rat2         [V17,T01] (  2,  4   )     int  ->   r2         "fgMakeTemp is creating a new local variable"
 ;
-; Lcl frame size = 4
+; Lcl frame size = 12
 
 G_M53116_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
-            push    {r3,r4,r11,lr}
-            add     r11, sp, 8
+            push    {r4,r11,lr}
+            sub     sp, 12
+            add     r11, sp, 16
+            str     r0, [r11-0x0C]
             mov     r4, r0
             ; gcrRegs +[r4]
-                      ;; size=10 bbWeight=1 PerfScore 3.00
+                      ;; size=16 bbWeight=1 PerfScore 5.00
 G_M53116_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byref
             ldr     r0, [r4+0x0C]
             ; gcrRegs +[r0]
+            ldr     r2, [r4]
+            ldr     r2, [r2+0x24]
+            ldr     r2, [r2]
+            ldr     r2, [r2+0x0C]
+            cmp     r2, 0
             mov     r2, r1
             movs    r1, 0
             movw    r3, 0xd1ff
@@ -46,12 +53,13 @@ G_M53116_IG02:        ; bbWeight=1, gcrefRegs=0010 {r4}, byrefRegs=0000 {}, byre
             ldr     lr, [r0]
             blx     r3     // <unknown method>
             ; gcrRegs -[r0]
-                      ;; size=22 bbWeight=1 PerfScore 8.00
+                      ;; size=32 bbWeight=1 PerfScore 13.00
 G_M53116_IG03:        ; bbWeight=1, epilog, nogc, extend
-            pop     {r3,r4,r11,pc}
-                       ;; size=4 bbWeight=1 PerfScore 1.00
+            add     sp, 12
+            pop     {r4,r11,pc}
+                       ;; size=6 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 36, prolog size 8, PerfScore 12.00, instruction count 12, allocated bytes for code 36 (MethodHash=a8373083) for method System.Collections.Generic.SortedDictionary`2[int,System.__Canon]:Remove(int):ubyte:this (FullOpts)
+; Total bytes of code 54, prolog size 14, PerfScore 20.00, instruction count 20, allocated bytes for code 54 (MethodHash=a8373083) for method System.Collections.Generic.SortedDictionary`2[int,System.__Canon]:Remove(int):ubyte:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -63,11 +71,11 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 18 (0x00012) Actual length = 36 (0x000024)
+  Function Length   : 27 (0x0001b) Actual length = 54 (0x000036)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----
-    A8 18       pop {r3,r4,r11,lr}                  ; opsize 32
-    FF          end
+    03          add sp, sp, #12                     ; opsize 16
+    A8 10       pop {r4,r11,lr}                     ; opsize 32
     FF          end

+8 (+66.67%) : 19054.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (FullOpts) 

@@ -15,9 +15,9 @@
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V06 tmp5         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02.m_task (fldOffset=0x0)" P-INDEP
-;* V07 rat0         [V07,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 rat0         [V07,T02] (  2,  4   )     int  ->   r3         "Spilling to split statement for tree"
 ;* V08 rat1         [V08,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V09 rat2         [V09,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V09 rat2         [V09,T01] (  2,  4   )     int  ->   r3         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 12
 
@@ -29,13 +29,17 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=0000 {}, byrefRegs=0000 {}, byref,
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=0001 {r0}, byrefRegs=0000 {}, byref
             ; gcrRegs +[r0]
             ldr     r3, [r0]
-                     ;; size=2 bbWeight=1 PerfScore 1.00
+            ldr     r3, [r3+0x24]
+            ldr     r3, [r3]
+            ldr     r3, [r3+0x10]
+            cmp     r3, 0
+                       ;; size=10 bbWeight=1 PerfScore 5.00
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
             add     sp, 12
             pop     {pc}
                        ;; size=4 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 12, prolog size 6, PerfScore 6.00, instruction count 6, allocated bytes for code 12 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (FullOpts)
+; Total bytes of code 20, prolog size 6, PerfScore 10.00, instruction count 10, allocated bytes for code 20 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (FullOpts)
 ; ============================================================
 
 Unwind Info:
@@ -47,7 +51,7 @@ Unwind Info:
   E bit             : 1
   X bit             : 0
   Vers              : 0
-  Function Length   : 6 (0x00006) Actual length = 12 (0x00000c)
+  Function Length   : 10 (0x0000a) Actual length = 20 (0x000014)
   --- One epilog, unwind codes at 0
   ---- Unwind codes ----
     ---- Epilog start at index 0 ----

Details

Improvements/regressions per collection

Collection Contexts with diffs Improvements Regressions Same size Improvements (bytes) Regressions (bytes)
benchmarks.run.linux.arm.checked.mch 430 60 296 74 -562 +3,748
benchmarks.run_pgo.linux.arm.checked.mch 823 95 626 102 -722 +6,836
benchmarks.run_tiered.linux.arm.checked.mch 404 58 268 78 -474 +3,462
coreclr_tests.run.linux.arm.checked.mch 2,492 296 1,567 629 -2,904 +21,368
libraries.crossgen2.linux.arm.checked.mch 724 140 236 348 -1,238 +1,844
libraries.pmi.linux.arm.checked.mch 1,964 221 1,314 429 -1,886 +14,598
libraries_tests.run.linux.arm.Release.mch 10,041 1,952 5,438 2,651 -24,428 +71,004
librariestestsnotieredcompilation.run.linux.arm.Release.mch 2,267 323 1,422 522 -3,252 +16,282
realworld.run.linux.arm.checked.mch 523 74 340 109 -804 +4,168
19,668 3,219 11,507 4,942 -36,270 +143,310

Context information

Collection Diffed contexts MinOpts FullOpts Missed, base Missed, diff
benchmarks.run.linux.arm.checked.mch 45,977 5,279 40,698 1,423 (3.00%) 1,423 (3.00%)
benchmarks.run_pgo.linux.arm.checked.mch 159,274 58,093 101,181 3,553 (2.18%) 3,553 (2.18%)
benchmarks.run_tiered.linux.arm.checked.mch 71,355 38,077 33,278 1,124 (1.55%) 1,124 (1.55%)
coreclr_tests.run.linux.arm.checked.mch 471,423 259,093 212,330 7,618 (1.59%) 7,618 (1.59%)
libraries.crossgen2.linux.arm.checked.mch 195,441 14 195,427 0 (0.00%) 0 (0.00%)
libraries.pmi.linux.arm.checked.mch 269,967 6 269,961 9,462 (3.39%) 9,462 (3.39%)
libraries_tests.run.linux.arm.Release.mch 708,260 442,850 265,410 17,521 (2.41%) 17,521 (2.41%)
librariestestsnotieredcompilation.run.linux.arm.Release.mch 272,764 21,565 251,199 35,091 (11.40%) 35,091 (11.40%)
realworld.run.linux.arm.checked.mch 36,070 153 35,917 1,734 (4.59%) 1,734 (4.59%)
2,230,531 825,130 1,405,401 77,526 (3.36%) 77,526 (3.36%)

jit-analyze output

benchmarks.run.linux.arm.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 15058218 (overridden on cmd)
Total bytes of diff: 15061404 (overridden on cmd)
Total bytes of delta: 3186 (0.02 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         188 : 24666.dasm (3.01 % of base)
         108 : 18542.dasm (7.01 % of base)
          50 : 13384.dasm (17.12 % of base)
          50 : 24752.dasm (4.71 % of base)
          50 : 17745.dasm (28.09 % of base)
          48 : 24860.dasm (2.59 % of base)
          46 : 17964.dasm (2.82 % of base)
          40 : 24903.dasm (3.81 % of base)
          36 : 14110.dasm (4.97 % of base)
          36 : 46979.dasm (7.41 % of base)
          36 : 8701.dasm (14.29 % of base)
          34 : 41023.dasm (13.49 % of base)
          32 : 7537.dasm (13.33 % of base)
          30 : 26769.dasm (1.83 % of base)
          30 : 3455.dasm (3.07 % of base)
          30 : 46888.dasm (2.12 % of base)
          30 : 5265.dasm (3.31 % of base)
          30 : 6202.dasm (5.26 % of base)
          28 : 15080.dasm (0.37 % of base)
          28 : 17412.dasm (0.55 % of base)

Top file improvements (bytes):
         -76 : 39258.dasm (-1.58 % of base)
         -30 : 3423.dasm (-5.77 % of base)
         -28 : 14509.dasm (-2.22 % of base)
         -26 : 4278.dasm (-1.59 % of base)
         -26 : 22196.dasm (-2.30 % of base)
         -24 : 24904.dasm (-1.06 % of base)
         -20 : 7118.dasm (-6.45 % of base)
         -18 : 7145.dasm (-0.62 % of base)
         -18 : 41801.dasm (-4.46 % of base)
         -16 : 6703.dasm (-1.24 % of base)
         -16 : 24954.dasm (-0.86 % of base)
         -14 : 40126.dasm (-4.24 % of base)
         -12 : 34065.dasm (-4.62 % of base)
         -12 : 19228.dasm (-0.36 % of base)
         -12 : 7095.dasm (-0.55 % of base)
         -12 : 15628.dasm (-0.64 % of base)
         -10 : 22198.dasm (-1.08 % of base)
         -10 : 25278.dasm (-1.44 % of base)
          -8 : 46554.dasm (-0.75 % of base)
          -8 : 14134.dasm (-0.56 % of base)

74 total files with Code Size differences (27 improved, 47 regressed), 20 unchanged.

Top method regressions (bytes):
         188 (3.01 % of base) : 24666.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
         108 (7.01 % of base) : 18542.dasm - AssignJagged:second_assignments(int[][],short[][]) (FullOpts)
          50 (4.71 % of base) : 24752.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          50 (17.12 % of base) : 13384.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon][],int):this (FullOpts)
          50 (28.09 % of base) : 17745.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:Add(System.__Canon,System.__Canon,System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:this (FullOpts)
          48 (2.59 % of base) : 24860.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:TryAddAssembly(Microsoft.CodeAnalysis.AssemblyIdentity,Microsoft.CodeAnalysis.MetadataReference,int,Microsoft.CodeAnalysis.DiagnosticBag,Microsoft.CodeAnalysis.Location,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):Microsoft.CodeAnalysis.MetadataReference:this (FullOpts)
          46 (2.82 % of base) : 17964.dasm - System.Xml.XmlConverter:TryParseDateTime(ubyte[],int,int,byref):ubyte (FullOpts)
          40 (3.81 % of base) : 24903.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (FullOpts)
          36 (4.97 % of base) : 14110.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):this (FullOpts)
          36 (14.29 % of base) : 8701.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.__Canon]:EnqueueDequeue(System.__Canon,System.__Canon):System.__Canon:this (FullOpts)
          36 (7.41 % of base) : 46979.dasm - System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:DeepClone(int):System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:this (FullOpts)
          34 (13.49 % of base) : 41023.dasm - System.Collections.Generic.SortedList`2[System.__Canon,System.__Canon]:RemoveAt(int):this (FullOpts)
          32 (13.33 % of base) : 7537.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[int,System.__Canon]:TryGetValue(int,byref):ubyte:this (FullOpts)
          30 (1.83 % of base) : 26769.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
          30 (2.12 % of base) : 46888.dasm - SciMark2.LU:factor(double[][],int[]):int (FullOpts)
          30 (5.26 % of base) : 6202.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.Text.RegularExpressions.RegexCache+Key,System.__Canon]:TryGetValue(System.Text.RegularExpressions.RegexCache+Key,byref):ubyte:this (FullOpts)
          30 (3.07 % of base) : 3455.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):this (FullOpts)
          30 (3.31 % of base) : 5265.dasm - System.Text.Json.Serialization.Converters.DictionaryOfTKeyTValueConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (FullOpts)
          28 (0.37 % of base) : 15080.dasm - Jil.Deserialize.Methods:_ReadISO8601Date(System.IO.TextReader,ushort[]):System.DateTime (FullOpts)
          28 (26.92 % of base) : 10188.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (FullOpts)

Top method improvements (bytes):
         -76 (-1.58 % of base) : 39258.dasm - Jil.Deserialize.Methods:SkipWithLeadChar(System.IO.TextReader,int) (FullOpts)
         -30 (-5.77 % of base) : 3423.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -28 (-2.22 % of base) : 14509.dasm - System.IO.RandomAccess:WriteGatherAtOffset(Microsoft.Win32.SafeHandles.SafeFileHandle,System.Collections.Generic.IReadOnlyList`1[System.ReadOnlyMemory`1[ubyte]],long) (FullOpts)
         -26 (-2.30 % of base) : 22196.dasm - LUDecomp:DoLUIteration(double[][],double[],double[][][],double[][],int):long (FullOpts)
         -26 (-1.59 % of base) : 4278.dasm - System.Reflection.Emit.RuntimeMethodBuilder:CreateMethodBodyHelper(System.Reflection.Emit.RuntimeILGenerator):this (FullOpts)
         -24 (-1.06 % of base) : 24904.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (FullOpts)
         -20 (-6.45 % of base) : 7118.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
         -18 (-4.46 % of base) : 41801.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (FullOpts)
         -18 (-0.62 % of base) : 7145.dasm - System.Uri:CheckAuthorityHelper(uint,int,int,byref,byref,System.UriParser,byref):int:this (FullOpts)
         -16 (-0.86 % of base) : 24954.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (FullOpts)
         -16 (-1.24 % of base) : 6703.dasm - System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver:.ctor(System.Text.Json.JsonSerializerOptions,System.Text.Json.Serialization.Metadata.JsonPolymorphismOptions,System.Type,ubyte):this (FullOpts)
         -14 (-4.24 % of base) : 40126.dasm - Benchstone.BenchF.SqMtx:Test():ubyte:this (FullOpts)
         -12 (-4.62 % of base) : 34065.dasm - Benchstone.BenchI.XposMatrix:Test():ubyte:this (FullOpts)
         -12 (-0.64 % of base) : 15628.dasm - System.Enum:FormatFlagNames[uint](System.Enum+EnumInfo`1[uint],uint):System.String (FullOpts)
         -12 (-0.36 % of base) : 19228.dasm - System.Number:FormatBigInteger(ubyte,System.Numerics.BigInteger,System.String,System.ReadOnlySpan`1[ushort],System.Globalization.NumberFormatInfo,System.Span`1[ushort],byref,byref):System.String (FullOpts)
         -12 (-0.55 % of base) : 7095.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:BuildCertsWithKeys(System.ReadOnlySpan`1[ushort],System.Security.Cryptography.Asn1.Pkcs12.CertBagAsn[],System.Security.Cryptography.Asn1.AttributeAsn[][],System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey[],int,System.Security.Cryptography.Asn1.Pkcs12.SafeBagAsn[],System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+RentedSubjectPublicKeyInfo[],System.Security.Cryptography.AsymmetricAlgorithm[],int):this (FullOpts)
         -10 (-1.08 % of base) : 22198.dasm - LUDecomp:lubksb(double[][],int,int[],double[]) (FullOpts)
         -10 (-1.44 % of base) : 25278.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol] (FullOpts)
          -8 (-0.75 % of base) : 46554.dasm - BenchmarksGame.ReverseComplement_1:Bench(System.IO.Stream,System.IO.Stream) (FullOpts)
          -8 (-0.56 % of base) : 14134.dasm - System.String:SplitWithPostProcessing(System.ReadOnlySpan`1[int],System.ReadOnlySpan`1[int],int,int,int):System.String[]:this (FullOpts)

Top method regressions (percentages):
          24 (54.55 % of base) : 13586.dasm - System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (FullOpts)
          20 (50.00 % of base) : 3408.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (FullOpts)
          20 (50.00 % of base) : 16768.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          16 (47.06 % of base) : 24763.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
          24 (40.00 % of base) : 40259.dasm - System.Collections.Generic.SortedList`2[System.__Canon,System.__Canon]:Clear():this (FullOpts)
          14 (33.33 % of base) : 11192.dasm - System.Collections.Generic.List`1[System.__Canon]:Clear():this (FullOpts)
           8 (33.33 % of base) : 24682.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
          50 (28.09 % of base) : 17745.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:Add(System.__Canon,System.__Canon,System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:this (FullOpts)
          28 (26.92 % of base) : 10188.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (FullOpts)
          18 (24.32 % of base) : 13203.dasm - System.Collections.Generic.SortedDictionary`2[System.__Canon,System.__Canon]:Remove(System.__Canon):ubyte:this (FullOpts)
          24 (22.22 % of base) : 8699.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.__Canon]:Enqueue(System.__Canon,System.__Canon):this (FullOpts)
          12 (22.22 % of base) : 1915.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (FullOpts)
          18 (21.95 % of base) : 13072.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (FullOpts)
          18 (21.43 % of base) : 18402.dasm - System.Collections.Generic.SortedDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (FullOpts)
          12 (21.43 % of base) : 2457.dasm - System.Collections.Generic.Stack`1[System.Collections.Immutable.RefAsValueType`1[System.__Canon]]:Pop():System.Collections.Immutable.RefAsValueType`1[System.__Canon]:this (FullOpts)
           8 (21.05 % of base) : 25010.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,uint]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (FullOpts)
           8 (21.05 % of base) : 41929.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Clear():this (FullOpts)
           8 (21.05 % of base) : 31204.dasm - System.Collections.Immutable.ImmutableQueue`1[System.__Canon]:GetEnumerator():System.Collections.Immutable.ImmutableQueue`1+Enumerator[System.__Canon]:this (FullOpts)
          20 (20.83 % of base) : 24325.dasm - Microsoft.CodeAnalysis.PooledObjects.ObjectPool`1[System.__Canon]:AllocateSlow():System.__Canon:this (FullOpts)
           8 (20.00 % of base) : 1723.dasm - System.Collections.Generic.List`1[System.__Canon]:GetEnumerator():System.Collections.Generic.List`1+Enumerator[System.__Canon]:this (FullOpts)

Top method improvements (percentages):
         -20 (-6.45 % of base) : 7118.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
         -30 (-5.77 % of base) : 3423.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -12 (-4.62 % of base) : 34065.dasm - Benchstone.BenchI.XposMatrix:Test():ubyte:this (FullOpts)
         -18 (-4.46 % of base) : 41801.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (FullOpts)
         -14 (-4.24 % of base) : 40126.dasm - Benchstone.BenchF.SqMtx:Test():ubyte:this (FullOpts)
          -4 (-2.67 % of base) : 7783.dasm - System.Security.Cryptography.X509Certificates.OpenSslX509ChainProcessor:AddUniqueStatus(System.Collections.Generic.List`1[System.Security.Cryptography.X509Certificates.X509ChainStatus],byref) (FullOpts)
          -4 (-2.56 % of base) : 10541.dasm - System.MemoryExtensions:TrimStart(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort]):System.ReadOnlySpan`1[ushort] (FullOpts)
         -26 (-2.30 % of base) : 22196.dasm - LUDecomp:DoLUIteration(double[][],double[],double[][][],double[][],int):long (FullOpts)
         -28 (-2.22 % of base) : 14509.dasm - System.IO.RandomAccess:WriteGatherAtOffset(Microsoft.Win32.SafeHandles.SafeFileHandle,System.Collections.Generic.IReadOnlyList`1[System.ReadOnlyMemory`1[ubyte]],long) (FullOpts)
         -26 (-1.59 % of base) : 4278.dasm - System.Reflection.Emit.RuntimeMethodBuilder:CreateMethodBodyHelper(System.Reflection.Emit.RuntimeILGenerator):this (FullOpts)
         -76 (-1.58 % of base) : 39258.dasm - Jil.Deserialize.Methods:SkipWithLeadChar(System.IO.TextReader,int) (FullOpts)
         -10 (-1.44 % of base) : 25278.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol] (FullOpts)
         -16 (-1.24 % of base) : 6703.dasm - System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver:.ctor(System.Text.Json.JsonSerializerOptions,System.Text.Json.Serialization.Metadata.JsonPolymorphismOptions,System.Type,ubyte):this (FullOpts)
          -6 (-1.21 % of base) : 6066.dasm - System.Text.Unicode.Utf8:ToUtf16(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte,ubyte):int (FullOpts)
         -10 (-1.08 % of base) : 22198.dasm - LUDecomp:lubksb(double[][],int,int[],double[]) (FullOpts)
         -24 (-1.06 % of base) : 24904.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (FullOpts)
          -2 (-0.95 % of base) : 45733.dasm - System.SpanHelpers:NonPackedContainsValueType[int](byref,int,int):ubyte (FullOpts)
         -16 (-0.86 % of base) : 24954.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (FullOpts)
          -4 (-0.82 % of base) : 45901.dasm - Benchstone.BenchI.Array2:VerifyCopy(int[][][],int[][][]):ubyte (FullOpts)
          -8 (-0.75 % of base) : 46554.dasm - BenchmarksGame.ReverseComplement_1:Bench(System.IO.Stream,System.IO.Stream) (FullOpts)

benchmarks.run_pgo.linux.arm.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 63288040 (overridden on cmd)
Total bytes of diff: 63294154 (overridden on cmd)
Total bytes of delta: 6114 (0.01 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         206 : 88201.dasm (3.22 % of base)
         108 : 64079.dasm (7.01 % of base)
         102 : 105568.dasm (2.54 % of base)
          50 : 36207.dasm (17.12 % of base)
          50 : 88381.dasm (4.71 % of base)
          48 : 90545.dasm (1.09 % of base)
          46 : 60102.dasm (2.82 % of base)
          40 : 88727.dasm (3.81 % of base)
          36 : 160516.dasm (7.41 % of base)
          36 : 45091.dasm (4.97 % of base)
          32 : 130140.dasm (9.36 % of base)
          32 : 26305.dasm (13.33 % of base)
          30 : 158661.dasm (2.12 % of base)
          30 : 19516.dasm (3.32 % of base)
          30 : 93763.dasm (1.83 % of base)
          30 : 98732.dasm (0.67 % of base)
          28 : 45747.dasm (26.42 % of base)
          28 : 66457.dasm (26.42 % of base)
          28 : 76097.dasm (26.42 % of base)
          28 : 134139.dasm (0.35 % of base)

Top file improvements (bytes):
         -30 : 13907.dasm (-5.77 % of base)
         -28 : 42150.dasm (-2.41 % of base)
         -26 : 85171.dasm (-2.30 % of base)
         -24 : 88731.dasm (-1.06 % of base)
         -22 : 88863.dasm (-1.15 % of base)
         -20 : 25326.dasm (-6.45 % of base)
         -18 : 139357.dasm (-4.46 % of base)
         -18 : 16764.dasm (-0.62 % of base)
         -18 : 98415.dasm (-0.51 % of base)
         -16 : 1011.dasm (-8.99 % of base)
         -16 : 107031.dasm (-2.00 % of base)
         -16 : 93282.dasm (-6.72 % of base)
         -16 : 45855.dasm (-0.84 % of base)
         -16 : 52592.dasm (-0.84 % of base)
         -16 : 88747.dasm (-0.82 % of base)
         -16 : 160238.dasm (-0.84 % of base)
         -16 : 89428.dasm (-2.00 % of base)
         -14 : 134734.dasm (-4.24 % of base)
         -14 : 46516.dasm (-0.92 % of base)
         -14 : 76895.dasm (-1.59 % of base)

79 total files with Code Size differences (32 improved, 47 regressed), 20 unchanged.

Top method regressions (bytes):
         206 (3.22 % of base) : 88201.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
         108 (7.01 % of base) : 64079.dasm - AssignJagged:second_assignments(int[][],short[][]) (Tier0-FullOpts)
         102 (2.54 % of base) : 105568.dasm - System.Collections.Immutable.SortedInt32KeyNode`1[System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]:SetOrAdd(int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]],ubyte,byref,byref):System.Collections.Immutable.SortedInt32KeyNode`1[System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]:this (Tier1)
          50 (4.71 % of base) : 88381.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (Tier0-FullOpts)
          50 (17.12 % of base) : 36207.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon][],int):this (Tier0-FullOpts)
          48 (1.09 % of base) : 90545.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:.ctor(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PENamedTypeSymbol,System.Reflection.Metadata.PropertyDefinitionHandle,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.MetadataDecoder):this (Tier1)
          46 (2.82 % of base) : 60102.dasm - System.Xml.XmlConverter:TryParseDateTime(ubyte[],int,int,byref):ubyte (Tier0-FullOpts)
          40 (3.81 % of base) : 88727.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (Tier0-FullOpts)
          36 (4.97 % of base) : 45091.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):this (Tier0-FullOpts)
          36 (7.41 % of base) : 160516.dasm - System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:DeepClone(int):System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
          32 (13.33 % of base) : 26305.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[int,System.__Canon]:TryGetValue(int,byref):ubyte:this (Tier0-FullOpts)
          32 (9.36 % of base) : 130140.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.__Canon]:Enqueue(System.__Canon,System.__Canon):this (Tier1)
          30 (1.83 % of base) : 93763.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (Tier0-FullOpts)
          30 (2.12 % of base) : 158661.dasm - SciMark2.LU:factor(double[][],int[]):int (Tier0-FullOpts)
          30 (0.67 % of base) : 98732.dasm - System.Reflection.PortableExecutable.ManagedPEBuilder:SerializeTextSection(System.Reflection.PortableExecutable.SectionLocation):System.Reflection.Metadata.BlobBuilder:this (Tier1)
          30 (3.32 % of base) : 19516.dasm - System.Text.Json.Serialization.Converters.DictionaryOfTKeyTValueConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          28 (0.37 % of base) : 46735.dasm - Jil.Deserialize.Methods:_ReadISO8601Date(System.IO.TextReader,ushort[]):System.DateTime (Tier0-FullOpts)
          28 (0.35 % of base) : 134139.dasm - Jil.Deserialize.Methods:_ReadISO8601DateWithOffset(System.IO.TextReader,ushort[]):System.DateTimeOffset (Tier0-FullOpts)
          28 (26.42 % of base) : 45747.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (Tier1)
          28 (26.42 % of base) : 66457.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (Tier1)

Top method improvements (bytes):
         -30 (-5.77 % of base) : 13907.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (Tier0-FullOpts)
         -28 (-2.41 % of base) : 42150.dasm - System.IO.RandomAccess:WriteGatherAtOffset(Microsoft.Win32.SafeHandles.SafeFileHandle,System.Collections.Generic.IReadOnlyList`1[System.ReadOnlyMemory`1[ubyte]],long) (Tier0-FullOpts)
         -26 (-2.30 % of base) : 85171.dasm - LUDecomp:DoLUIteration(double[][],double[],double[][][],double[][],int):long (Tier0-FullOpts)
         -24 (-1.06 % of base) : 88731.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (Tier0-FullOpts)
         -22 (-1.15 % of base) : 88863.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (Tier0-FullOpts)
         -20 (-6.45 % of base) : 25326.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
         -18 (-4.46 % of base) : 139357.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (Tier0-FullOpts)
         -18 (-0.51 % of base) : 98415.dasm - Microsoft.CodeAnalysis.CSharp.LocalRewriter:<VisitCall>g__visitArgumentsAndFinishRewrite|145_0(Microsoft.CodeAnalysis.CSharp.BoundCall,Microsoft.CodeAnalysis.CSharp.BoundExpression):Microsoft.CodeAnalysis.CSharp.BoundExpression:this (Tier1)
         -18 (-0.62 % of base) : 16764.dasm - System.Uri:CheckAuthorityHelper(uint,int,int,byref,byref,System.UriParser,byref):int:this (Tier0-FullOpts)
         -16 (-0.82 % of base) : 88747.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:BuildReferencedAssembliesAndModulesMaps(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.MetadataReference],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]],int,int,System.Collections.Generic.IReadOnlyDictionary`2[System.__Canon,System.__Canon],ubyte,byref,byref,byref,byref) (Tier0-FullOpts)
         -16 (-6.72 % of base) : 93282.dasm - Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1)
         -16 (-2.00 % of base) : 107031.dasm - Roslyn.Utilities.StringTable:AddSharedUtf8(System.ReadOnlySpan`1[ubyte]):System.String (Tier1)
         -16 (-2.00 % of base) : 89428.dasm - Roslyn.Utilities.StringTable:AddSharedUtf8(System.ReadOnlySpan`1[ubyte]):System.String (Tier1)
         -16 (-8.99 % of base) : 1011.dasm - System.Runtime.CompilerServices.CastHelpers:StelemRef_Helper(byref,uint,System.Object) (Tier1)
         -16 (-0.84 % of base) : 45855.dasm - System.Uri:CreateUri(System.Uri,System.String,ubyte):this (Tier1)
         -16 (-0.84 % of base) : 52592.dasm - System.Uri:CreateUri(System.Uri,System.String,ubyte):this (Tier1)
         -16 (-0.84 % of base) : 160238.dasm - System.Uri:CreateUri(System.Uri,System.String,ubyte):this (Tier1)
         -14 (-4.24 % of base) : 134734.dasm - Benchstone.BenchF.SqMtx:Test():ubyte:this (Tier0-FullOpts)
         -14 (-1.59 % of base) : 76895.dasm - System.Reflection.TypeNameParser:Parse():System.Type:this (Tier1)
         -14 (-0.92 % of base) : 46516.dasm - System.String:SplitWithPostProcessing(System.ReadOnlySpan`1[int],System.ReadOnlySpan`1[int],int,int,int):System.String[]:this (Tier0-FullOpts)

Top method regressions (percentages):
          24 (54.55 % of base) : 29620.dasm - System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
          20 (50.00 % of base) : 73597.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
          16 (42.11 % of base) : 97492.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
           8 (33.33 % of base) : 89226.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
          18 (26.47 % of base) : 40003.dasm - System.Collections.Generic.Stack`1[System.__Canon]:TryPop(byref):ubyte:this (Tier1)
          28 (26.42 % of base) : 45747.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (Tier1)
          28 (26.42 % of base) : 66457.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (Tier1)
          28 (26.42 % of base) : 76097.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (Tier1)
           8 (23.53 % of base) : 50042.dasm - BenchmarkDotNet.Characteristics.Characteristic`1[System.__Canon]:set_Item(BenchmarkDotNet.Characteristics.CharacteristicObject,System.__Canon):this (Tier1)
          24 (23.08 % of base) : 13977.dasm - System.Collections.Generic.SortedDictionary`2[System.__Canon,System.__Canon]:TryGetValue(System.__Canon,byref):ubyte:this (Tier1)
          12 (22.22 % of base) : 124344.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 151707.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 56535.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 63772.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 112291.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 72624.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 75300.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 97715.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 116316.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (22.22 % of base) : 45455.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)

Top method improvements (percentages):
         -16 (-8.99 % of base) : 1011.dasm - System.Runtime.CompilerServices.CastHelpers:StelemRef_Helper(byref,uint,System.Object) (Tier1)
         -16 (-6.72 % of base) : 93282.dasm - Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1)
         -20 (-6.45 % of base) : 25326.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
         -30 (-5.77 % of base) : 13907.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (Tier0-FullOpts)
         -12 (-4.62 % of base) : 121414.dasm - Benchstone.BenchI.XposMatrix:Test():ubyte:this (Tier0-FullOpts)
          -8 (-4.55 % of base) : 4847.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstance_Helper(uint,System.Object):System.Object (Tier1)
         -18 (-4.46 % of base) : 139357.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (Tier0-FullOpts)
          -8 (-4.40 % of base) : 151858.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 110816.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -14 (-4.24 % of base) : 134734.dasm - Benchstone.BenchF.SqMtx:Test():ubyte:this (Tier0-FullOpts)
          -8 (-3.20 % of base) : 61004.dasm - System.Runtime.CompilerServices.CastHelpers:StelemRef_Helper(byref,uint,System.Object) (Tier1)
          -6 (-2.86 % of base) : 360.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -4 (-2.67 % of base) : 26883.dasm - System.Security.Cryptography.X509Certificates.OpenSslX509ChainProcessor:AddUniqueStatus(System.Collections.Generic.List`1[System.Security.Cryptography.X509Certificates.X509ChainStatus],byref) (Tier0-FullOpts)
         -28 (-2.41 % of base) : 42150.dasm - System.IO.RandomAccess:WriteGatherAtOffset(Microsoft.Win32.SafeHandles.SafeFileHandle,System.Collections.Generic.IReadOnlyList`1[System.ReadOnlyMemory`1[ubyte]],long) (Tier0-FullOpts)
         -26 (-2.30 % of base) : 85171.dasm - LUDecomp:DoLUIteration(double[][],double[],double[][][],double[][],int):long (Tier0-FullOpts)
         -16 (-2.00 % of base) : 107031.dasm - Roslyn.Utilities.StringTable:AddSharedUtf8(System.ReadOnlySpan`1[ubyte]):System.String (Tier1)
         -16 (-2.00 % of base) : 89428.dasm - Roslyn.Utilities.StringTable:AddSharedUtf8(System.ReadOnlySpan`1[ubyte]):System.String (Tier1)
         -14 (-1.59 % of base) : 76895.dasm - System.Reflection.TypeNameParser:Parse():System.Type:this (Tier1)
         -10 (-1.44 % of base) : 89697.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol] (Tier0-FullOpts)
          -6 (-1.20 % of base) : 14613.dasm - System.Text.Unicode.Utf8:ToUtf16(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte,ubyte):int (Tier0-FullOpts)

benchmarks.run_tiered.linux.arm.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 17396558 (overridden on cmd)
Total bytes of diff: 17399546 (overridden on cmd)
Total bytes of delta: 2988 (0.02 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         188 : 44601.dasm (3.01 % of base)
         108 : 34548.dasm (7.01 % of base)
          50 : 33361.dasm (28.09 % of base)
          50 : 26023.dasm (17.12 % of base)
          50 : 44769.dasm (4.71 % of base)
          48 : 44952.dasm (2.59 % of base)
          46 : 34611.dasm (2.82 % of base)
          40 : 45061.dasm (3.81 % of base)
          36 : 16516.dasm (14.29 % of base)
          36 : 71732.dasm (7.41 % of base)
          36 : 26357.dasm (4.97 % of base)
          34 : 64128.dasm (13.49 % of base)
          32 : 14290.dasm (13.33 % of base)
          30 : 20417.dasm (3.32 % of base)
          30 : 72029.dasm (2.12 % of base)
          30 : 11708.dasm (3.07 % of base)
          30 : 49322.dasm (1.83 % of base)
          28 : 27180.dasm (26.92 % of base)
          28 : 29323.dasm (0.37 % of base)
          28 : 62824.dasm (0.35 % of base)

Top file improvements (bytes):
         -30 : 10372.dasm (-5.77 % of base)
         -28 : 29254.dasm (-2.22 % of base)
         -26 : 9905.dasm (-1.59 % of base)
         -26 : 42019.dasm (-2.30 % of base)
         -24 : 45072.dasm (-1.06 % of base)
         -20 : 13085.dasm (-6.45 % of base)
         -18 : 11805.dasm (-0.62 % of base)
         -18 : 64842.dasm (-4.46 % of base)
         -16 : 45245.dasm (-0.86 % of base)
         -16 : 7816.dasm (-1.24 % of base)
         -14 : 62782.dasm (-4.24 % of base)
         -12 : 37598.dasm (-0.36 % of base)
         -12 : 59283.dasm (-4.62 % of base)
         -12 : 13058.dasm (-0.55 % of base)
         -10 : 45940.dasm (-1.44 % of base)
         -10 : 42021.dasm (-1.08 % of base)
          -8 : 24677.dasm (-0.24 % of base)
          -8 : 14430.dasm (-0.40 % of base)
          -8 : 70393.dasm (-0.75 % of base)
          -8 : 8749.dasm (-0.72 % of base)

73 total files with Code Size differences (27 improved, 46 regressed), 20 unchanged.

Top method regressions (bytes):
         188 (3.01 % of base) : 44601.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
         108 (7.01 % of base) : 34548.dasm - AssignJagged:second_assignments(int[][],short[][]) (Tier0-FullOpts)
          50 (4.71 % of base) : 44769.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (Tier0-FullOpts)
          50 (17.12 % of base) : 26023.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon][],int):this (Tier0-FullOpts)
          50 (28.09 % of base) : 33361.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:Add(System.__Canon,System.__Canon,System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:this (Tier1)
          48 (2.59 % of base) : 44952.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:TryAddAssembly(Microsoft.CodeAnalysis.AssemblyIdentity,Microsoft.CodeAnalysis.MetadataReference,int,Microsoft.CodeAnalysis.DiagnosticBag,Microsoft.CodeAnalysis.Location,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):Microsoft.CodeAnalysis.MetadataReference:this (Tier0-FullOpts)
          46 (2.82 % of base) : 34611.dasm - System.Xml.XmlConverter:TryParseDateTime(ubyte[],int,int,byref):ubyte (Tier0-FullOpts)
          40 (3.81 % of base) : 45061.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (Tier0-FullOpts)
          36 (4.97 % of base) : 26357.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):this (Tier0-FullOpts)
          36 (14.29 % of base) : 16516.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.__Canon]:EnqueueDequeue(System.__Canon,System.__Canon):System.__Canon:this (Tier1)
          36 (7.41 % of base) : 71732.dasm - System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:DeepClone(int):System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
          34 (13.49 % of base) : 64128.dasm - System.Collections.Generic.SortedList`2[System.__Canon,System.__Canon]:RemoveAt(int):this (Tier1)
          32 (13.33 % of base) : 14290.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[int,System.__Canon]:TryGetValue(int,byref):ubyte:this (Tier0-FullOpts)
          30 (1.83 % of base) : 49322.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (Tier0-FullOpts)
          30 (2.12 % of base) : 72029.dasm - SciMark2.LU:factor(double[][],int[]):int (Tier0-FullOpts)
          30 (3.07 % of base) : 11708.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):this (Tier0-FullOpts)
          30 (3.32 % of base) : 20417.dasm - System.Text.Json.Serialization.Converters.DictionaryOfTKeyTValueConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          28 (0.37 % of base) : 29323.dasm - Jil.Deserialize.Methods:_ReadISO8601Date(System.IO.TextReader,ushort[]):System.DateTime (Tier0-FullOpts)
          28 (0.35 % of base) : 62824.dasm - Jil.Deserialize.Methods:_ReadISO8601DateWithOffset(System.IO.TextReader,ushort[]):System.DateTimeOffset (Tier0-FullOpts)
          28 (26.92 % of base) : 27180.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (Tier1)

Top method improvements (bytes):
         -30 (-5.77 % of base) : 10372.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (Tier0-FullOpts)
         -28 (-2.22 % of base) : 29254.dasm - System.IO.RandomAccess:WriteGatherAtOffset(Microsoft.Win32.SafeHandles.SafeFileHandle,System.Collections.Generic.IReadOnlyList`1[System.ReadOnlyMemory`1[ubyte]],long) (Tier0-FullOpts)
         -26 (-2.30 % of base) : 42019.dasm - LUDecomp:DoLUIteration(double[][],double[],double[][][],double[][],int):long (Tier0-FullOpts)
         -26 (-1.59 % of base) : 9905.dasm - System.Reflection.Emit.RuntimeMethodBuilder:CreateMethodBodyHelper(System.Reflection.Emit.RuntimeILGenerator):this (Tier0-FullOpts)
         -24 (-1.06 % of base) : 45072.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (Tier0-FullOpts)
         -20 (-6.45 % of base) : 13085.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
         -18 (-4.46 % of base) : 64842.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (Tier0-FullOpts)
         -18 (-0.62 % of base) : 11805.dasm - System.Uri:CheckAuthorityHelper(uint,int,int,byref,byref,System.UriParser,byref):int:this (Tier0-FullOpts)
         -16 (-0.86 % of base) : 45245.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (Tier0-FullOpts)
         -16 (-1.24 % of base) : 7816.dasm - System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver:.ctor(System.Text.Json.JsonSerializerOptions,System.Text.Json.Serialization.Metadata.JsonPolymorphismOptions,System.Type,ubyte):this (Tier0-FullOpts)
         -14 (-4.24 % of base) : 62782.dasm - Benchstone.BenchF.SqMtx:Test():ubyte:this (Tier0-FullOpts)
         -12 (-4.62 % of base) : 59283.dasm - Benchstone.BenchI.XposMatrix:Test():ubyte:this (Tier0-FullOpts)
         -12 (-0.36 % of base) : 37598.dasm - System.Number:FormatBigInteger(ubyte,System.Numerics.BigInteger,System.String,System.ReadOnlySpan`1[ushort],System.Globalization.NumberFormatInfo,System.Span`1[ushort],byref,byref):System.String (Tier0-FullOpts)
         -12 (-0.55 % of base) : 13058.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:BuildCertsWithKeys(System.ReadOnlySpan`1[ushort],System.Security.Cryptography.Asn1.Pkcs12.CertBagAsn[],System.Security.Cryptography.Asn1.AttributeAsn[][],System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey[],int,System.Security.Cryptography.Asn1.Pkcs12.SafeBagAsn[],System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+RentedSubjectPublicKeyInfo[],System.Security.Cryptography.AsymmetricAlgorithm[],int):this (Tier0-FullOpts)
         -10 (-1.08 % of base) : 42021.dasm - LUDecomp:lubksb(double[][],int,int[],double[]) (Tier0-FullOpts)
         -10 (-1.44 % of base) : 45940.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol] (Tier0-FullOpts)
          -8 (-0.75 % of base) : 70393.dasm - BenchmarksGame.ReverseComplement_1:Bench(System.IO.Stream,System.IO.Stream) (Tier0-FullOpts)
          -8 (-0.24 % of base) : 24677.dasm - Sigil.Emit`1[System.__Canon]:ValidateTryCatchFinallyBranches():this (Tier0-FullOpts)
          -8 (-0.40 % of base) : 14430.dasm - System.IO.Enumeration.FileSystemName:MatchPattern(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort],ubyte,ubyte):ubyte (Tier0-FullOpts)
          -8 (-0.72 % of base) : 8749.dasm - System.Text.Encoding:GetCharsWithFallback(System.ReadOnlySpan`1[ubyte],int,System.Span`1[ushort],int,System.Text.DecoderNLS,ubyte):int:this (Tier0-FullOpts)

Top method regressions (percentages):
           8 (66.67 % of base) : 38903.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
          24 (54.55 % of base) : 23575.dasm - System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
          20 (50.00 % of base) : 28372.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
          20 (50.00 % of base) : 32701.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (Tier1)
          16 (44.44 % of base) : 50881.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          14 (33.33 % of base) : 26323.dasm - System.Collections.Generic.List`1[System.__Canon]:Clear():this (Tier1)
           8 (33.33 % of base) : 45152.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
          50 (28.09 % of base) : 33361.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:Add(System.__Canon,System.__Canon,System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:this (Tier1)
          28 (26.92 % of base) : 27180.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (Tier1)
          18 (24.32 % of base) : 22697.dasm - System.Collections.Generic.SortedDictionary`2[System.__Canon,System.__Canon]:Remove(System.__Canon):ubyte:this (Tier1)
           8 (23.53 % of base) : 29996.dasm - BenchmarkDotNet.Characteristics.Characteristic`1[System.__Canon]:set_Item(BenchmarkDotNet.Characteristics.CharacteristicObject,System.__Canon):this (Tier1)
          24 (22.22 % of base) : 16514.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.__Canon]:Enqueue(System.__Canon,System.__Canon):this (Tier1)
          12 (22.22 % of base) : 5034.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          18 (21.95 % of base) : 22667.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (Tier1)
          18 (21.43 % of base) : 35040.dasm - System.Collections.Generic.SortedDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (Tier1)
          12 (21.43 % of base) : 7374.dasm - System.Collections.Generic.Stack`1[System.Collections.Immutable.RefAsValueType`1[System.__Canon]]:Pop():System.Collections.Immutable.RefAsValueType`1[System.__Canon]:this (Tier1)
           8 (21.05 % of base) : 45389.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (Tier1)
           8 (21.05 % of base) : 7164.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Clear():this (Tier1)
          20 (20.83 % of base) : 43856.dasm - Microsoft.CodeAnalysis.PooledObjects.ObjectPool`1[System.__Canon]:AllocateSlow():System.__Canon:this (Tier0-FullOpts)
           8 (20.00 % of base) : 3644.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor():this (Tier1)

Top method improvements (percentages):
         -20 (-6.45 % of base) : 13085.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (Tier0-FullOpts)
         -30 (-5.77 % of base) : 10372.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (Tier0-FullOpts)
         -12 (-4.62 % of base) : 59283.dasm - Benchstone.BenchI.XposMatrix:Test():ubyte:this (Tier0-FullOpts)
         -18 (-4.46 % of base) : 64842.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (Tier0-FullOpts)
         -14 (-4.24 % of base) : 62782.dasm - Benchstone.BenchF.SqMtx:Test():ubyte:this (Tier0-FullOpts)
          -4 (-2.67 % of base) : 14853.dasm - System.Security.Cryptography.X509Certificates.OpenSslX509ChainProcessor:AddUniqueStatus(System.Collections.Generic.List`1[System.Security.Cryptography.X509Certificates.X509ChainStatus],byref) (Tier0-FullOpts)
          -4 (-2.56 % of base) : 22053.dasm - System.MemoryExtensions:TrimStart(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort]):System.ReadOnlySpan`1[ushort] (Tier0-FullOpts)
         -26 (-2.30 % of base) : 42019.dasm - LUDecomp:DoLUIteration(double[][],double[],double[][][],double[][],int):long (Tier0-FullOpts)
         -28 (-2.22 % of base) : 29254.dasm - System.IO.RandomAccess:WriteGatherAtOffset(Microsoft.Win32.SafeHandles.SafeFileHandle,System.Collections.Generic.IReadOnlyList`1[System.ReadOnlyMemory`1[ubyte]],long) (Tier0-FullOpts)
         -26 (-1.59 % of base) : 9905.dasm - System.Reflection.Emit.RuntimeMethodBuilder:CreateMethodBodyHelper(System.Reflection.Emit.RuntimeILGenerator):this (Tier0-FullOpts)
         -10 (-1.44 % of base) : 45940.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol] (Tier0-FullOpts)
         -16 (-1.24 % of base) : 7816.dasm - System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver:.ctor(System.Text.Json.JsonSerializerOptions,System.Text.Json.Serialization.Metadata.JsonPolymorphismOptions,System.Type,ubyte):this (Tier0-FullOpts)
          -6 (-1.21 % of base) : 8748.dasm - System.Text.Unicode.Utf8:ToUtf16(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte,ubyte):int (Tier0-FullOpts)
         -10 (-1.08 % of base) : 42021.dasm - LUDecomp:lubksb(double[][],int,int[],double[]) (Tier0-FullOpts)
         -24 (-1.06 % of base) : 45072.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (Tier0-FullOpts)
          -2 (-0.95 % of base) : 65925.dasm - System.SpanHelpers:NonPackedContainsValueType[int](byref,int,int):ubyte (Tier0-FullOpts)
         -16 (-0.86 % of base) : 45245.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (Tier0-FullOpts)
          -4 (-0.82 % of base) : 68224.dasm - Benchstone.BenchI.Array2:VerifyCopy(int[][][],int[][][]):ubyte (Tier0-FullOpts)
          -8 (-0.75 % of base) : 70393.dasm - BenchmarksGame.ReverseComplement_1:Bench(System.IO.Stream,System.IO.Stream) (Tier0-FullOpts)
          -4 (-0.74 % of base) : 28963.dasm - System.Xml.XmlUTF8TextReader:ReadQualifiedName(System.Xml.PrefixHandle,System.Xml.StringHandle):this (Tier0-FullOpts)

coreclr_tests.run.linux.arm.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 321408536 (overridden on cmd)
Total bytes of diff: 321427000 (overridden on cmd)
Total bytes of delta: 18464 (0.01 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         692 : 466071.dasm (4.97 % of base)
         634 : 474660.dasm (4.62 % of base)
         176 : 111361.dasm (2.81 % of base)
         176 : 323401.dasm (2.81 % of base)
         172 : 458943.dasm (12.78 % of base)
         172 : 226480.dasm (12.78 % of base)
         108 : 333131.dasm (7.01 % of base)
         108 : 114925.dasm (7.01 % of base)
          94 : 363777.dasm (5.35 % of base)
          94 : 157628.dasm (5.35 % of base)
          90 : 98170.dasm (36.00 % of base)
          90 : 98172.dasm (36.00 % of base)
          58 : 7502.dasm (25.22 % of base)
          58 : 7516.dasm (25.22 % of base)
          58 : 6940.dasm (25.66 % of base)
          58 : 7117.dasm (25.22 % of base)
          58 : 7131.dasm (25.22 % of base)
          58 : 7329.dasm (25.66 % of base)
          50 : 111478.dasm (4.71 % of base)
          50 : 323638.dasm (4.71 % of base)

Top file improvements (bytes):
         -58 : 360629.dasm (-1.89 % of base)
         -58 : 153234.dasm (-1.89 % of base)
         -58 : 155975.dasm (-13.55 % of base)
         -58 : 356042.dasm (-13.55 % of base)
         -54 : 256033.dasm (-8.57 % of base)
         -50 : 163232.dasm (-1.64 % of base)
         -50 : 371966.dasm (-1.64 % of base)
         -46 : 337114.dasm (-1.83 % of base)
         -44 : 325140.dasm (-6.96 % of base)
         -42 : 236751.dasm (-1.22 % of base)
         -40 : 381880.dasm (-6.47 % of base)
         -36 : 441875.dasm (-1.05 % of base)
         -34 : 470691.dasm (-1.49 % of base)
         -34 : 476310.dasm (-1.49 % of base)
         -32 : 397328.dasm (-0.93 % of base)
         -32 : 408473.dasm (-0.93 % of base)
         -32 : 413803.dasm (-0.93 % of base)
         -32 : 417653.dasm (-0.93 % of base)
         -32 : 419895.dasm (-0.93 % of base)
         -32 : 421559.dasm (-0.93 % of base)

84 total files with Code Size differences (40 improved, 44 regressed), 20 unchanged.

Top method regressions (bytes):
         692 (4.97 % of base) : 466071.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         634 (4.62 % of base) : 474660.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         176 (2.81 % of base) : 111361.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
         176 (2.81 % of base) : 323401.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
         172 (12.78 % of base) : 226480.dasm - AutoGen.Program:Func1(AutoGen.VType1,long,uint,AutoGen.VType2):AutoGen.VType1:this (FullOpts)
         172 (12.78 % of base) : 458943.dasm - AutoGen.Program:Func1(AutoGen.VType1,long,uint,AutoGen.VType2):AutoGen.VType1:this (Tier0-FullOpts)
         108 (7.01 % of base) : 114925.dasm - AssignJagged:second_assignments(int[][],short[][]) (FullOpts)
         108 (7.01 % of base) : 333131.dasm - AssignJagged:second_assignments(int[][],short[][]) (Tier0-FullOpts)
          94 (5.35 % of base) : 157628.dasm - JitTest_array1_refany_il.Test:Main():int (FullOpts)
          94 (5.35 % of base) : 363777.dasm - JitTest_array1_refany_il.Test:Main():int (Tier0-FullOpts)
          90 (36.00 % of base) : 98172.dasm - mainMethod:checkAsObjectCast(System.Object) (FullOpts)
          90 (36.00 % of base) : 98170.dasm - mainMethod:checkIsObjectCast(System.Object) (FullOpts)
          58 (25.66 % of base) : 6940.dasm - testout1:Sub_Funclet_228():int (FullOpts)
          58 (25.66 % of base) : 7329.dasm - testout1:Sub_Funclet_228():int (FullOpts)
          58 (25.22 % of base) : 7502.dasm - testout1:Sub_Funclet_420():int (FullOpts)
          58 (25.22 % of base) : 7117.dasm - testout1:Sub_Funclet_420():int (FullOpts)
          58 (25.22 % of base) : 7516.dasm - testout1:Sub_Funclet_436():int (FullOpts)
          58 (25.22 % of base) : 7131.dasm - testout1:Sub_Funclet_436():int (FullOpts)
          50 (4.71 % of base) : 111478.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          50 (4.71 % of base) : 323638.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (Tier0-FullOpts)

Top method improvements (bytes):
         -58 (-13.55 % of base) : 155975.dasm - JitTest_lcs2_lcs_cs.LCS:buildLCS(int[][][][],ushort[],int[]):System.String (FullOpts)
         -58 (-13.55 % of base) : 356042.dasm - JitTest_lcs2_lcs_cs.LCS:buildLCS(int[][][][],ushort[],int[]):System.String (Tier0-FullOpts)
         -58 (-1.89 % of base) : 153234.dasm - structarr:gaussj(MatrixStruct,int,MatrixStruct,int) (FullOpts)
         -58 (-1.89 % of base) : 360629.dasm - structarr:gaussj(MatrixStruct,int,MatrixStruct,int) (Tier0-FullOpts)
         -54 (-8.57 % of base) : 256033.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -50 (-1.64 % of base) : 163232.dasm - Co1245GetBytes_double:runTest():ubyte:this (FullOpts)
         -50 (-1.64 % of base) : 371966.dasm - Co1245GetBytes_double:runTest():ubyte:this (Tier0-FullOpts)
         -46 (-1.83 % of base) : 337114.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (Tier1)
         -44 (-6.96 % of base) : 325140.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -42 (-1.22 % of base) : 236751.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)
         -40 (-6.47 % of base) : 381880.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -36 (-1.05 % of base) : 441875.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)
         -34 (-1.49 % of base) : 470691.dasm - System.Text.ValueStringBuilder:AppendFormatHelper(System.IFormatProvider,System.String,System.ReadOnlySpan`1[System.Object]):this (Tier1)
         -34 (-1.49 % of base) : 476310.dasm - System.Text.ValueStringBuilder:AppendFormatHelper(System.IFormatProvider,System.String,System.ReadOnlySpan`1[System.Object]):this (Tier1)
         -32 (-0.93 % of base) : 397328.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)
         -32 (-0.93 % of base) : 408473.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)
         -32 (-0.93 % of base) : 413803.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)
         -32 (-0.93 % of base) : 417653.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)
         -32 (-0.93 % of base) : 419895.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)
         -32 (-0.93 % of base) : 421559.dasm - XUnitWrapperLibrary.TestSummary+TestResult:ToXmlString():System.String:this (Tier1)

Top method regressions (percentages):
          46 (766.67 % of base) : 171074.dasm - ILGEN_0x2dda4eb5:Method_0xa084659a():ushort (FullOpts)
          12 (100.00 % of base) : 104084.dasm - Program:Test[System.__Canon]():int (FullOpts)
          12 (66.67 % of base) : 227989.dasm - HelperILDllTests:CallGenMethodFromGenericType[System.__Canon]():System.String (FullOpts)
          12 (66.67 % of base) : 227983.dasm - HelperILDllTests:CallMethodFromGenericType[System.__Canon]():System.String (FullOpts)
          20 (50.00 % of base) : 111385.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,int]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,int]]):this (FullOpts)
          20 (50.00 % of base) : 111721.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          16 (47.06 % of base) : 111489.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
           8 (36.36 % of base) : 144134.dasm - Caller`4[MyStruct`2[System.__Canon,System.__Canon],System.__Canon,System.__Canon,System.__Canon]:CallGenInstMethodU(System.__Canon):System.String:this (FullOpts)
           8 (36.36 % of base) : 144135.dasm - Caller`4[MyStruct`2[System.__Canon,System.__Canon],System.__Canon,System.__Canon,System.__Canon]:CallVirtMethodU(System.__Canon):System.String:this (FullOpts)
          90 (36.00 % of base) : 98172.dasm - mainMethod:checkAsObjectCast(System.Object) (FullOpts)
          90 (36.00 % of base) : 98170.dasm - mainMethod:checkIsObjectCast(System.Object) (FullOpts)
          14 (33.33 % of base) : 473865.dasm - System.Collections.Generic.List`1[System.__Canon]:Clear():this (Tier1)
           8 (33.33 % of base) : 111378.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
           8 (33.33 % of base) : 324493.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
           8 (28.57 % of base) : 230108.dasm - Microsoft.Build.Collections.PropertyDictionary`1[System.__Canon]:Contains(System.String):ubyte:this (FullOpts)
           8 (28.57 % of base) : 470680.dasm - System.Collections.Generic.Dictionary`2+ValueCollection[int,System.__Canon]:System.Collections.IEnumerable.GetEnumerator():System.Collections.IEnumerator:this (Instrumented Tier1)
          24 (27.27 % of base) : 6357.dasm - testout1:Sub_Funclet_442():int (FullOpts)
          24 (27.27 % of base) : 5947.dasm - testout1:Sub_Funclet_442():int (FullOpts)
          24 (27.27 % of base) : 6371.dasm - testout1:Sub_Funclet_456():int (FullOpts)
          24 (27.27 % of base) : 5961.dasm - testout1:Sub_Funclet_456():int (FullOpts)

Top method improvements (percentages):
         -58 (-13.55 % of base) : 155975.dasm - JitTest_lcs2_lcs_cs.LCS:buildLCS(int[][][][],ushort[],int[]):System.String (FullOpts)
         -58 (-13.55 % of base) : 356042.dasm - JitTest_lcs2_lcs_cs.LCS:buildLCS(int[][][][],ushort[],int[]):System.String (Tier0-FullOpts)
         -54 (-8.57 % of base) : 256033.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -26 (-7.83 % of base) : 117336.dasm - Benchstone.BenchF.SqMtx:Bench():ubyte (FullOpts)
         -26 (-7.83 % of base) : 338554.dasm - Benchstone.BenchF.SqMtx:Bench():ubyte (Tier0-FullOpts)
         -44 (-6.96 % of base) : 325140.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -16 (-6.72 % of base) : 329409.dasm - Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1)
         -40 (-6.47 % of base) : 381880.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -16 (-5.03 % of base) : 226487.dasm - RNG.Test:foo(int,int,int,int,int):int (FullOpts)
         -16 (-5.03 % of base) : 458951.dasm - RNG.Test:foo(int,int,int,int,int):int (Tier0-FullOpts)
          -4 (-5.00 % of base) : 473802.dasm - System.Enum:AreSorted[uint](uint[]):ubyte (Tier1)
         -10 (-5.00 % of base) : 259991.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalListInOrder(System.__Canon[]):this (Tier1)
         -10 (-5.00 % of base) : 278534.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalListInOrder(System.__Canon[]):this (Tier1)
         -12 (-4.65 % of base) : 117359.dasm - Benchstone.BenchI.XposMatrix:Bench(int[][]):ubyte (FullOpts)
         -12 (-4.65 % of base) : 338621.dasm - Benchstone.BenchI.XposMatrix:Bench(int[][]):ubyte (Tier0-FullOpts)
         -18 (-4.46 % of base) : 115031.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (FullOpts)
         -18 (-4.46 % of base) : 333251.dasm - Benchstone.BenchI.AddArray2:BenchInner1(int[][],byref) (Tier0-FullOpts)
         -22 (-3.85 % of base) : 152883.dasm - JitTest_lcsmixed_lcs_cs.LCS:buildLCS(int[,][,][,][,],ushort[],int[]):System.String (FullOpts)
         -22 (-3.85 % of base) : 360190.dasm - JitTest_lcsmixed_lcs_cs.LCS:buildLCS(int[,][,][,][,],ushort[],int[]):System.String (Tier0-FullOpts)
         -24 (-3.75 % of base) : 465502.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)

libraries.crossgen2.linux.arm.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 36764136 (overridden on cmd)
Total bytes of diff: 36764742 (overridden on cmd)
Total bytes of delta: 606 (0.00 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
          94 : 146809.dasm (4.31 % of base)
          84 : 177160.dasm (8.12 % of base)
          78 : 36442.dasm (0.85 % of base)
          58 : 150523.dasm (3.31 % of base)
          56 : 127876.dasm (3.26 % of base)
          40 : 145110.dasm (1.67 % of base)
          40 : 29188.dasm (1.67 % of base)
          34 : 161104.dasm (1.13 % of base)
          32 : 163124.dasm (2.22 % of base)
          28 : 178072.dasm (11.97 % of base)
          24 : 38657.dasm (0.80 % of base)
          24 : 100311.dasm (0.75 % of base)
          24 : 98704.dasm (2.18 % of base)
          22 : 163274.dasm (1.69 % of base)
          22 : 5477.dasm (0.03 % of base)
          22 : 28865.dasm (6.15 % of base)
          20 : 29168.dasm (0.51 % of base)
          20 : 21267.dasm (5.35 % of base)
          20 : 160210.dasm (0.93 % of base)
          20 : 163275.dasm (1.69 % of base)

Top file improvements (bytes):
        -148 : 160407.dasm (-0.66 % of base)
         -76 : 28601.dasm (-1.53 % of base)
         -42 : 159726.dasm (-1.78 % of base)
         -42 : 125855.dasm (-2.12 % of base)
         -36 : 161105.dasm (-4.68 % of base)
         -32 : 59521.dasm (-3.21 % of base)
         -28 : 30456.dasm (-0.63 % of base)
         -24 : 145043.dasm (-1.23 % of base)
         -22 : 38286.dasm (-3.00 % of base)
         -22 : 164984.dasm (-0.78 % of base)
         -22 : 99474.dasm (-0.99 % of base)
         -22 : 3800.dasm (-5.95 % of base)
         -20 : 64363.dasm (-2.70 % of base)
         -20 : 87345.dasm (-1.70 % of base)
         -18 : 85018.dasm (-3.03 % of base)
         -18 : 11157.dasm (-3.18 % of base)
         -16 : 161375.dasm (-0.45 % of base)
         -16 : 180793.dasm (-0.52 % of base)
         -16 : 161108.dasm (-1.24 % of base)
         -14 : 28417.dasm (-1.43 % of base)

67 total files with Code Size differences (29 improved, 38 regressed), 20 unchanged.

Top method regressions (bytes):
          94 (4.31 % of base) : 146809.dasm - Newtonsoft.Json.Utilities.ConvertUtils:DecimalTryParse(ushort[],int,int,byref):int (FullOpts)
          84 (8.12 % of base) : 177160.dasm - System.Net.Http.Headers.AltSvcHeaderParser:GetParsedValueLength(System.String,int,System.Object,byref):int:this (FullOpts)
          78 (0.85 % of base) : 36442.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:VisitTupleDeconstructionArguments(Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+DeconstructionVariable],System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`2[Microsoft.CodeAnalysis.CSharp.BoundValuePlaceholder,Microsoft.CodeAnalysis.CSharp.BoundExpression]],Microsoft.CodeAnalysis.CSharp.BoundExpression,System.Nullable`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithState]):this (FullOpts)
          58 (3.31 % of base) : 150523.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (FullOpts)
          56 (3.26 % of base) : 127876.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (FullOpts)
          40 (1.67 % of base) : 145110.dasm - System.Data.Common.DbConnectionOptions:GetKeyValuePair(System.String,int,System.Text.StringBuilder,ubyte,byref,byref):int (FullOpts)
          40 (1.67 % of base) : 29188.dasm - System.Data.Common.DbConnectionOptions:GetKeyValuePair(System.String,int,System.Text.StringBuilder,ubyte,byref,byref):int (FullOpts)
          34 (1.13 % of base) : 161104.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:GetMostSpecific(System.Reflection.MethodBase,System.Reflection.MethodBase,int[],System.Object[],ubyte,int,int,System.Object[]):int:this (FullOpts)
          32 (2.22 % of base) : 163124.dasm - System.Text.DBCSCodePageEncoding:ReadBestFitTable():this (FullOpts)
          28 (11.97 % of base) : 178072.dasm - System.Net.Http.AuthenticationHelper+DigestResponse:GetNextKey(System.String,int,byref):System.String (FullOpts)
          24 (0.80 % of base) : 38657.dasm - Microsoft.CodeAnalysis.CSharp.SpillSequenceSpiller:Spill(Microsoft.CodeAnalysis.CSharp.SpillSequenceSpiller+BoundSpillSequenceBuilder,Microsoft.CodeAnalysis.CSharp.BoundExpression,ubyte,ubyte):Microsoft.CodeAnalysis.CSharp.BoundExpression:this (FullOpts)
          24 (0.75 % of base) : 100311.dasm - Microsoft.CodeAnalysis.VisualBasic.Binder:GetArgumentForParameterDefaultValue(Microsoft.CodeAnalysis.VisualBasic.Symbols.ParameterSymbol,Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag,Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[int],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.BoundExpression],Microsoft.CodeAnalysis.VisualBasic.BoundExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts)
          24 (2.18 % of base) : 98704.dasm - System.Xml.Serialization.ReflectionXmlSerializationWriter:WriteElements(System.Object,System.Xml.Serialization.ElementAccessor[],System.Xml.Serialization.TextAccessor,System.Xml.Serialization.ChoiceIdentifierAccessor,ubyte,ubyte):this (FullOpts)
          22 (0.03 % of base) : 5477.dasm - Microsoft.FSharp.Linq.RuntimeHelpers.LeafExpressionConverter:ConvExprToLinqInContext(Microsoft.FSharp.Linq.RuntimeHelpers.LeafExpressionConverter+ConvEnv,Microsoft.FSharp.Quotations.FSharpExpr):System.Linq.Expressions.Expression (FullOpts)
          22 (6.15 % of base) : 28865.dasm - System.Data.SqlTypes.SqlString:CompareBinary(System.Data.SqlTypes.SqlString,System.Data.SqlTypes.SqlString):int (FullOpts)
          22 (1.69 % of base) : 163274.dasm - System.Text.ISO2022Encoding:GetCharsCP5022xJP(uint,int,uint,int,System.Text.ISO2022Encoding+ISO2022Decoder):int:this (FullOpts)
          20 (0.93 % of base) : 160210.dasm - Microsoft.VisualBasic.CompilerServices.LateBinding:LateIndexSet(System.Object,System.Object[],System.String[]) (FullOpts)
          20 (0.51 % of base) : 29168.dasm - System.Data.ProviderBase.SchemaMapping:SetupSchemaWithKeyInfo(int,int,ubyte,System.Data.DataColumn,System.Object):System.Object[]:this (FullOpts)
          20 (5.35 % of base) : 21267.dasm - System.Reflection.RuntimePropertyInfo:SetValue(System.Object,System.Object,int,System.Reflection.Binder,System.Object[],System.Globalization.CultureInfo):this (FullOpts)
          20 (1.69 % of base) : 163275.dasm - System.Text.ISO2022Encoding:GetCharsCP50225KR(uint,int,uint,int,System.Text.ISO2022Encoding+ISO2022Decoder):int:this (FullOpts)

Top method improvements (bytes):
        -148 (-0.66 % of base) : 160407.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (FullOpts)
         -76 (-1.53 % of base) : 28601.dasm - System.Data.XmlDataTreeWriter:XmlDataRowWriter(System.Data.DataRow,System.String):this (FullOpts)
         -42 (-2.12 % of base) : 125855.dasm - Microsoft.CodeAnalysis.VisualBasic.TypeArgumentInference+InferenceGraph:Infer(Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.BoundExpression],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[int],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[int],Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSymbol,Microsoft.CodeAnalysis.VisualBasic.BoundNode,byref,byref,byref,byref,byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag,Microsoft.CodeAnalysis.BitVector):ubyte (FullOpts)
         -42 (-1.78 % of base) : 159726.dasm - System.Runtime.Serialization.Formatters.Binary.ObjectWriter:WriteArray(System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo,System.Runtime.Serialization.Formatters.Binary.NameInfo,System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo):this (FullOpts)
         -36 (-4.68 % of base) : 161105.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:MethodsDifferOnlyByReturnType(System.Reflection.MethodBase,System.Reflection.MethodBase):ubyte:this (FullOpts)
         -32 (-3.21 % of base) : 59521.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (FullOpts)
         -28 (-0.63 % of base) : 30456.dasm - Microsoft.CodeAnalysis.CSharp.Binder:BindInterpolatedStringHandlerInMemberCall(Microsoft.CodeAnalysis.CSharp.BoundExpression,Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],byref,int,Microsoft.CodeAnalysis.CSharp.BoundExpression,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag):Microsoft.CodeAnalysis.CSharp.BoundExpression:this (FullOpts)
         -24 (-1.23 % of base) : 145043.dasm - System.Data.Odbc.OdbcDataReader:RetrieveKeyInfoFromStatistics(System.Data.Odbc.OdbcDataReader+QualifiedTableName,ubyte):int:this (FullOpts)
         -22 (-3.00 % of base) : 38286.dasm - Microsoft.CodeAnalysis.CSharp.LocalRewriter:MakeArgumentsInEvaluationOrder(Microsoft.CodeAnalysis.Operations.CSharpOperationFactory,Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],Microsoft.CodeAnalysis.CSharp.Symbol,ubyte,System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Operations.IArgumentOperation] (FullOpts)
         -22 (-5.95 % of base) : 3800.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
         -22 (-0.78 % of base) : 164984.dasm - System.Uri:CheckAuthorityHelper(uint,int,int,byref,byref,System.UriParser,byref):int:this (FullOpts)
         -22 (-0.99 % of base) : 99474.dasm - System.Xml.Xsl.Xslt.XsltInput:GetAttributes(System.Xml.Xsl.Xslt.XsltInput+XsltAttribute[]):System.Xml.Xsl.Xslt.XsltInput+ContextInfo:this (FullOpts)
         -20 (-2.70 % of base) : 64363.dasm - Diagnostics.Tracing.StackSources.FilterStackSource:FindGroupNameFromFrameName(System.String,byref):System.String:this (FullOpts)
         -20 (-1.70 % of base) : 87345.dasm - System.Xml.XmlConverter:TryParseDateTime(ubyte[],int,int,byref):ubyte (FullOpts)
         -18 (-3.18 % of base) : 11157.dasm - Microsoft.FSharp.Primitives.Basics.Array:stableSortWithKeysAndComparer[System.__Canon,System.__Canon](System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IComparer`1[System.__Canon],System.__Canon[],System.__Canon[]) (FullOpts)
         -18 (-3.03 % of base) : 85018.dasm - System.Xml.XmlDictionaryReader:ReadContentAs(System.Type,System.Xml.IXmlNamespaceResolver):System.Object:this (FullOpts)
         -16 (-1.24 % of base) : 161108.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:CreateParamOrder(ubyte,int[],System.Reflection.ParameterInfo[],System.Object[],System.String[]):System.Exception:this (FullOpts)
         -16 (-0.45 % of base) : 161375.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:GetMethodsByName(System.Type,System.Reflection.IReflect,System.String,int):System.Reflection.MethodBase[]:this (FullOpts)
         -16 (-0.52 % of base) : 180793.dasm - System.Linq.Expressions.Compiler.StackSpiller:RewriteListInitExpression(System.Linq.Expressions.Expression,int):System.Linq.Expressions.Compiler.StackSpiller+Result:this (FullOpts)
         -14 (-1.43 % of base) : 28417.dasm - System.Data.Common.DbEnumerator:BuildSchemaInfo():this (FullOpts)

Top method regressions (percentages):
          28 (11.97 % of base) : 178072.dasm - System.Net.Http.AuthenticationHelper+DigestResponse:GetNextKey(System.String,int,byref):System.String (FullOpts)
          84 (8.12 % of base) : 177160.dasm - System.Net.Http.Headers.AltSvcHeaderParser:GetParsedValueLength(System.String,int,System.Object,byref):int:this (FullOpts)
          22 (6.15 % of base) : 28865.dasm - System.Data.SqlTypes.SqlString:CompareBinary(System.Data.SqlTypes.SqlString,System.Data.SqlTypes.SqlString):int (FullOpts)
          20 (5.35 % of base) : 21267.dasm - System.Reflection.RuntimePropertyInfo:SetValue(System.Object,System.Object,int,System.Reflection.Binder,System.Object[],System.Globalization.CultureInfo):this (FullOpts)
          10 (5.32 % of base) : 3021.dasm - System.Security.Cryptography.RSA:WritePkcs1PrivateKey():System.Formats.Asn1.AsnWriter:this (FullOpts)
          10 (5.15 % of base) : 14978.dasm - System.MemoryExtensions:TrimEnd(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort]):System.ReadOnlySpan`1[ushort] (FullOpts)
           6 (4.55 % of base) : 18113.dasm - System.Threading.Timer:.ctor(System.Threading.TimerCallback,System.Object,int,int):this (FullOpts)
           6 (4.48 % of base) : 144756.dasm - System.Data.Odbc.OdbcCommand:ExecuteReaderObject(int,System.String,ubyte):System.Data.Odbc.OdbcDataReader:this (FullOpts)
          12 (4.44 % of base) : 189303.dasm - System.Threading.ReaderWriterLock+ThreadLocalLockEntry:GetOrCreateCurrentSlow(long,System.Threading.ReaderWriterLock+ThreadLocalLockEntry):System.Threading.ReaderWriterLock+ThreadLocalLockEntry (FullOpts)
          94 (4.31 % of base) : 146809.dasm - Newtonsoft.Json.Utilities.ConvertUtils:DecimalTryParse(ushort[],int,int,byref):int (FullOpts)
          10 (4.13 % of base) : 99003.dasm - System.Xml.Xsl.XPathConvert+BigInteger:Subtract(System.Xml.Xsl.XPathConvert+BigInteger):this (FullOpts)
          10 (3.88 % of base) : 1176.dasm - System.Security.Cryptography.RSA:ImportEncryptedPkcs8PrivateKey(System.ReadOnlySpan`1[ubyte],System.ReadOnlySpan`1[ubyte],byref):this (FullOpts)
          10 (3.88 % of base) : 1177.dasm - System.Security.Cryptography.RSA:ImportEncryptedPkcs8PrivateKey(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ubyte],byref):this (FullOpts)
           6 (3.49 % of base) : 14977.dasm - System.MemoryExtensions:TrimStart(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort]):System.ReadOnlySpan`1[ushort] (FullOpts)
          16 (3.40 % of base) : 28695.dasm - System.Data.DataKey:.ctor(System.Data.DataColumn[],ubyte):this (FullOpts)
          58 (3.31 % of base) : 150523.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (FullOpts)
           4 (3.28 % of base) : 18118.dasm - System.Threading.Timer:Change(int,int):ubyte:this (FullOpts)
          56 (3.26 % of base) : 127876.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (FullOpts)
           6 (2.97 % of base) : 177714.dasm - System.Net.Http.Headers.HttpHeaders:GetValueRefOrNullRef(System.Net.Http.Headers.HeaderDescriptor):byref:this (FullOpts)
           2 (2.94 % of base) : 36691.dasm - Microsoft.CodeAnalysis.CSharp.ReadWriteWalker:GetRangeVariableUnderlyingParameter(Microsoft.CodeAnalysis.CSharp.BoundNode):Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol (FullOpts)

Top method improvements (percentages):
         -22 (-5.95 % of base) : 3800.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
         -36 (-4.68 % of base) : 161105.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:MethodsDifferOnlyByReturnType(System.Reflection.MethodBase,System.Reflection.MethodBase):ubyte:this (FullOpts)
         -32 (-3.21 % of base) : 59521.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (FullOpts)
         -18 (-3.18 % of base) : 11157.dasm - Microsoft.FSharp.Primitives.Basics.Array:stableSortWithKeysAndComparer[System.__Canon,System.__Canon](System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IComparer`1[System.__Canon],System.__Canon[],System.__Canon[]) (FullOpts)
         -18 (-3.03 % of base) : 85018.dasm - System.Xml.XmlDictionaryReader:ReadContentAs(System.Type,System.Xml.IXmlNamespaceResolver):System.Object:this (FullOpts)
         -22 (-3.00 % of base) : 38286.dasm - Microsoft.CodeAnalysis.CSharp.LocalRewriter:MakeArgumentsInEvaluationOrder(Microsoft.CodeAnalysis.Operations.CSharpOperationFactory,Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],Microsoft.CodeAnalysis.CSharp.Symbol,ubyte,System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Operations.IArgumentOperation] (FullOpts)
         -10 (-2.72 % of base) : 193213.dasm - System.Text.RegularExpressions.Symbolic.BitVector:Or(System.ReadOnlySpan`1[System.Text.RegularExpressions.Symbolic.BitVector]):System.Text.RegularExpressions.Symbolic.BitVector (FullOpts)
         -20 (-2.70 % of base) : 64363.dasm - Diagnostics.Tracing.StackSources.FilterStackSource:FindGroupNameFromFrameName(System.String,byref):System.String:this (FullOpts)
         -10 (-2.69 % of base) : 195033.dasm - System.Linq.EnumerableSorter`2[System.__Canon,System.__Canon]:ComputeKeys(System.__Canon[],int):this (FullOpts)
          -8 (-2.47 % of base) : 132936.dasm - System.ComponentModel.Design.RuntimeLicenseContext:CaseInsensitiveManifestResourceStreamLookup(System.Reflection.Assembly,System.String):System.IO.Stream (FullOpts)
         -10 (-2.44 % of base) : 192841.dasm - System.Diagnostics.Metrics.AggregatorStore`1[System.__Canon]:GetLabelValuesDictionary[System.Diagnostics.Metrics.StringSequence1,System.Diagnostics.Metrics.ObjectSequence1](byref):System.Collections.Concurrent.ConcurrentDictionary`2[System.Diagnostics.Metrics.ObjectSequence1,System.__Canon]:this (FullOpts)
         -42 (-2.12 % of base) : 125855.dasm - Microsoft.CodeAnalysis.VisualBasic.TypeArgumentInference+InferenceGraph:Infer(Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.BoundExpression],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[int],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[int],Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSymbol,Microsoft.CodeAnalysis.VisualBasic.BoundNode,byref,byref,byref,byref,byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag,Microsoft.CodeAnalysis.BitVector):ubyte (FullOpts)
         -10 (-1.83 % of base) : 19019.dasm - System.Text.Unicode.Utf8:ToUtf16(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte,ubyte):int (FullOpts)
         -42 (-1.78 % of base) : 159726.dasm - System.Runtime.Serialization.Formatters.Binary.ObjectWriter:WriteArray(System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo,System.Runtime.Serialization.Formatters.Binary.NameInfo,System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo):this (FullOpts)
         -20 (-1.70 % of base) : 87345.dasm - System.Xml.XmlConverter:TryParseDateTime(ubyte[],int,int,byref):ubyte (FullOpts)
          -8 (-1.61 % of base) : 96811.dasm - System.Xml.XmlTextReaderImpl:EatWhitespaces(System.Text.StringBuilder):int:this (FullOpts)
          -8 (-1.53 % of base) : 182669.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -76 (-1.53 % of base) : 28601.dasm - System.Data.XmlDataTreeWriter:XmlDataRowWriter(System.Data.DataRow,System.String):this (FullOpts)
         -14 (-1.43 % of base) : 28417.dasm - System.Data.Common.DbEnumerator:BuildSchemaInfo():this (FullOpts)
          -4 (-1.43 % of base) : 126794.dasm - Microsoft.CodeAnalysis.VisualBasic.Syntax.InternalSyntax.Parser:PeekAheadFor[System.__Canon](System.Func`3[Microsoft.CodeAnalysis.VisualBasic.Syntax.InternalSyntax.SyntaxToken,System.__Canon,ubyte],System.__Canon,byref):int:this (FullOpts)

libraries.pmi.linux.arm.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 48744412 (overridden on cmd)
Total bytes of diff: 48757124 (overridden on cmd)
Total bytes of delta: 12712 (0.03 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         212 : 249055.dasm (16.72 % of base)
         210 : 249054.dasm (13.08 % of base)
         156 : 170407.dasm (16.22 % of base)
         156 : 170791.dasm (14.42 % of base)
          96 : 170379.dasm (15.34 % of base)
          96 : 170847.dasm (13.11 % of base)
          80 : 167540.dasm (14.55 % of base)
          74 : 162969.dasm (4.31 % of base)
          72 : 98122.dasm (0.36 % of base)
          62 : 91376.dasm (2.01 % of base)
          62 : 152826.dasm (3.50 % of base)
          60 : 219510.dasm (5.43 % of base)
          54 : 219511.dasm (5.00 % of base)
          52 : 167445.dasm (5.76 % of base)
          50 : 160879.dasm (4.71 % of base)
          50 : 86102.dasm (1.08 % of base)
          50 : 30916.dasm (16.67 % of base)
          48 : 53257.dasm (3.05 % of base)
          46 : 235319.dasm (5.61 % of base)
          46 : 263466.dasm (3.54 % of base)

Top file improvements (bytes):
        -316 : 195248.dasm (-1.39 % of base)
         -78 : 153624.dasm (-4.24 % of base)
         -36 : 152193.dasm (-9.42 % of base)
         -30 : 163730.dasm (-5.62 % of base)
         -30 : 153626.dasm (-4.25 % of base)
         -30 : 236642.dasm (-6.12 % of base)
         -26 : 258982.dasm (-0.91 % of base)
         -26 : 93664.dasm (-2.01 % of base)
         -24 : 195259.dasm (-2.09 % of base)
         -22 : 153629.dasm (-3.27 % of base)
         -22 : 231053.dasm (-0.74 % of base)
         -22 : 97944.dasm (-0.77 % of base)
         -20 : 20910.dasm (-6.45 % of base)
         -20 : 20921.dasm (-0.91 % of base)
         -18 : 121597.dasm (-2.34 % of base)
         -18 : 19916.dasm (-0.46 % of base)
         -18 : 227874.dasm (-1.65 % of base)
         -18 : 237975.dasm (-1.65 % of base)
         -18 : 63099.dasm (-2.34 % of base)
         -18 : 59590.dasm (-0.39 % of base)

84 total files with Code Size differences (31 improved, 53 regressed), 20 unchanged.

Top method regressions (bytes):
         212 (16.72 % of base) : 249055.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore[System.__Canon]:RetrievePostponedItemsGreedyBounded(ubyte):this (FullOpts)
         210 (13.08 % of base) : 249054.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore[System.__Canon]:RetrievePostponedItemsNonGreedy(ubyte):this (FullOpts)
         156 (14.42 % of base) : 170791.dasm - Microsoft.CSharp.CSharpCodeGenerator:GenerateStatement(System.CodeDom.CodeStatement):this (FullOpts)
         156 (16.22 % of base) : 170407.dasm - System.CodeDom.Compiler.CodeGenerator:GenerateStatement(System.CodeDom.CodeStatement):this (FullOpts)
          96 (13.11 % of base) : 170847.dasm - Microsoft.CSharp.CSharpCodeGenerator:GenerateTypeMember(System.CodeDom.CodeTypeMember,System.CodeDom.CodeTypeDeclaration):this (FullOpts)
          96 (15.34 % of base) : 170379.dasm - System.CodeDom.Compiler.CodeGenerator:GenerateTypeMember(System.CodeDom.CodeTypeMember,System.CodeDom.CodeTypeDeclaration):this (FullOpts)
          80 (14.55 % of base) : 167540.dasm - System.Linq.Parallel.IntersectQueryOperator`1+OrderedIntersectQueryOperatorEnumerator`1[System.__Canon,System.Nullable`1[int]]:MoveNext(byref,byref):ubyte:this (FullOpts)
          74 (4.31 % of base) : 162969.dasm - Microsoft.CodeAnalysis.NodeStateTable`1+Builder[System.__Canon]:TryModifyEntries(System.Collections.Immutable.ImmutableArray`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],System.TimeSpan,System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`2[Microsoft.CodeAnalysis.IncrementalGeneratorRunStep,int]],int):ubyte:this (FullOpts)
          72 (0.36 % of base) : 98122.dasm - Microsoft.CodeAnalysis.VisualBasic.Binder:ReportOverloadResolutionFailureForASingleCandidate(Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.Location,int,byref,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.BoundExpression],System.Collections.Immutable.ImmutableArray`1[System.String],ubyte,ubyte,ubyte,ubyte,Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag,Microsoft.CodeAnalysis.VisualBasic.Symbol,ubyte,Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.VisualBasic.Symbol):this (FullOpts)
          62 (3.50 % of base) : 152826.dasm - Microsoft.CodeAnalysis.TransformNode`2[System.__Canon,System.Nullable`1[int]]:UpdateStateTable(Microsoft.CodeAnalysis.DriverStateTable+Builder,Microsoft.CodeAnalysis.NodeStateTable`1[System.Nullable`1[int]],System.Threading.CancellationToken):Microsoft.CodeAnalysis.NodeStateTable`1[System.Nullable`1[int]]:this (FullOpts)
          62 (2.01 % of base) : 91376.dasm - System.Data.XSDSchema:HandleDataSet(System.Xml.Schema.XmlSchemaElement,ubyte):this (FullOpts)
          60 (5.43 % of base) : 219510.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.Nullable`1[int]]:EnqueueRange(System.Collections.Generic.IEnumerable`1[System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]]):this (FullOpts)
          54 (5.00 % of base) : 219511.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.Nullable`1[int]]:EnqueueRange(System.Collections.Generic.IEnumerable`1[System.__Canon],System.Nullable`1[int]):this (FullOpts)
          52 (5.76 % of base) : 167445.dasm - System.Linq.Parallel.ExceptQueryOperator`1+OrderedExceptQueryOperatorEnumerator`1[System.__Canon,System.Nullable`1[int]]:MoveNext(byref,byref):ubyte:this (FullOpts)
          50 (4.71 % of base) : 160879.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          50 (1.08 % of base) : 86102.dasm - Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator:EmitCondBranchCore(Microsoft.CodeAnalysis.CSharp.BoundExpression,byref,ubyte):this (FullOpts)
          50 (16.67 % of base) : 30916.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.Nullable`1[int]]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[int]][],int):this (FullOpts)
          48 (3.05 % of base) : 53257.dasm - Microsoft.CodeAnalysis.CSharp.Binder:BindDefaultArguments(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[ubyte],byref,byref,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag,ubyte,Microsoft.CodeAnalysis.CSharp.Symbol):this (FullOpts)
          46 (5.61 % of base) : 235319.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.Nullable`1[int]]:SetOrAdd(System.__Canon,System.Nullable`1[int],System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.Nullable`1[int]],ubyte,byref,byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          46 (3.54 % of base) : 263466.dasm - System.Text.Json.Serialization.JsonCollectionConverter`2[System.__Canon,System.Nullable`1[int]]:OnTryRead(byref,System.Type,System.Text.Json.JsonSerializerOptions,byref,byref):ubyte:this (FullOpts)

Top method improvements (bytes):
        -316 (-1.39 % of base) : 195248.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (FullOpts)
         -78 (-4.24 % of base) : 153624.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -36 (-9.42 % of base) : 152193.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -30 (-5.62 % of base) : 163730.dasm - Microsoft.CodeAnalysis.Diagnostics.AnalyzerDriver`1+<>c__DisplayClass11_0[ubyte]:<ExecuteDeclaringReferenceActions>g__executeExecutableCodeActions|2():this (FullOpts)
         -30 (-4.25 % of base) : 153626.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,Microsoft.CodeAnalysis.SyntaxTriviaList,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte],byref):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -30 (-6.12 % of base) : 236642.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -26 (-2.01 % of base) : 93664.dasm - System.Data.Select:CreateIndex():this (FullOpts)
         -26 (-0.91 % of base) : 258982.dasm - System.Uri:CheckAuthorityHelper(uint,int,int,byref,byref,System.UriParser,byref):int:this (FullOpts)
         -24 (-2.09 % of base) : 195259.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:CreateParamOrder(ubyte,int[],System.Reflection.ParameterInfo[],System.Object[],System.String[]):System.Exception:this (FullOpts)
         -22 (-3.27 % of base) : 153629.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetNextToken(byref,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],ubyte,System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -22 (-0.77 % of base) : 97944.dasm - Microsoft.CodeAnalysis.VisualBasic.Binder:BuildDelegateRelaxationLambda(Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol,Microsoft.CodeAnalysis.VisualBasic.BoundMethodGroup,int,ubyte,ubyte,Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag):Microsoft.CodeAnalysis.VisualBasic.BoundLambda:this (FullOpts)
         -22 (-0.74 % of base) : 231053.dasm - Microsoft.CSharp.RuntimeBinder.Errors.ErrorHandling:Error(int,Microsoft.CSharp.RuntimeBinder.Errors.ErrArg[]):Microsoft.CSharp.RuntimeBinder.RuntimeBinderException (FullOpts)
         -20 (-0.91 % of base) : 20921.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:BuildCertsWithKeys(System.ReadOnlySpan`1[ushort],System.Security.Cryptography.Asn1.Pkcs12.CertBagAsn[],System.Security.Cryptography.Asn1.AttributeAsn[][],System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey[],int,System.Security.Cryptography.Asn1.Pkcs12.SafeBagAsn[],System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+RentedSubjectPublicKeyInfo[],System.Security.Cryptography.AsymmetricAlgorithm[],int):this (FullOpts)
         -20 (-6.45 % of base) : 20910.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
         -18 (-2.34 % of base) : 63099.dasm - Microsoft.CodeAnalysis.CSharp.CSharpSyntaxNode:GetFirstDirective(System.Func`2[Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax,ubyte]):Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax:this (FullOpts)
         -18 (-0.39 % of base) : 59590.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:<VisitArguments>g__visitArguments|231_0(Microsoft.CodeAnalysis.CSharp.BoundNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Conversion],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,ubyte):System.ValueTuple`4[Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],ubyte,Microsoft.CodeAnalysis.CSharp.NullableWalker+ArgumentsCompletionDelegate]:this (FullOpts)
         -18 (-2.34 % of base) : 121597.dasm - Microsoft.CodeAnalysis.VisualBasic.VisualBasicSyntaxNode:GetFirstDirective(System.Func`2[Microsoft.CodeAnalysis.VisualBasic.Syntax.DirectiveTriviaSyntax,ubyte]):Microsoft.CodeAnalysis.VisualBasic.Syntax.DirectiveTriviaSyntax:this (FullOpts)
         -18 (-1.65 % of base) : 227874.dasm - System.Configuration.MgmtConfigurationRecord:RemoveConfigurationSectionGroup(System.String,System.String):this (FullOpts)
         -18 (-1.65 % of base) : 237975.dasm - System.Configuration.MgmtConfigurationRecord:RemoveConfigurationSectionGroup(System.String,System.String):this (FullOpts)
         -18 (-0.46 % of base) : 19916.dasm - System.Security.Cryptography.X509Certificates.CertificateRequest:LoadSigningRequest(System.ReadOnlySpan`1[ubyte],ubyte,System.Security.Cryptography.HashAlgorithmName,byref,int,System.Security.Cryptography.RSASignaturePadding):System.Security.Cryptography.X509Certificates.CertificateRequest (FullOpts)

Top method regressions (percentages):
           8 (66.67 % of base) : 164210.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           8 (66.67 % of base) : 244247.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           8 (66.67 % of base) : 164211.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           8 (66.67 % of base) : 244248.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           8 (66.67 % of base) : 150466.dasm - Microsoft.CodeAnalysis.SmallDictionary`2[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.SmallDictionary`2+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           8 (66.67 % of base) : 150467.dasm - Microsoft.CodeAnalysis.SmallDictionary`2[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.SmallDictionary`2+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           8 (50.00 % of base) : 160977.dasm - Microsoft.CodeAnalysis.Collections.SegmentedList`1[System.__Canon]:get_Capacity():int:this (FullOpts)
           8 (50.00 % of base) : 243730.dasm - Microsoft.CodeAnalysis.Collections.SegmentedList`1[System.__Canon]:get_Capacity():int:this (FullOpts)
           8 (50.00 % of base) : 9925.dasm - Microsoft.FSharp.Collections.ArrayModule+Parallel+Reduce@2143[System.__Canon]:Invoke(System.__Canon):System.__Canon:this (FullOpts)
           8 (50.00 % of base) : 2908.dasm - Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
          20 (50.00 % of base) : 233734.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.Nullable`1[int]]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Nullable`1[int]]]):this (FullOpts)
          20 (50.00 % of base) : 232467.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          16 (47.06 % of base) : 164408.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
           8 (44.44 % of base) : 152711.dasm - Microsoft.CodeAnalysis.NodeStateTable`1[System.__Canon]:get_Count():int:this (FullOpts)
           8 (44.44 % of base) : 165503.dasm - Microsoft.CodeAnalysis.SmallDictionary`2+KeyCollection+EnumerableImpl[System.__Canon,System.Nullable`1[int]]:System.Collections.Generic.IEnumerator<K>.get_Current():System.__Canon:this (FullOpts)
           8 (44.44 % of base) : 165504.dasm - Microsoft.CodeAnalysis.SmallDictionary`2+KeyCollection+EnumerableImpl[System.__Canon,System.Nullable`1[int]]:System.Collections.IEnumerator.get_Current():System.Object:this (FullOpts)
           8 (44.44 % of base) : 168533.dasm - System.Linq.Parallel.GroupByGrouping`2[System.__Canon,System.Nullable`1[int]]:System.Linq.IGrouping<TGroupKey,TElement>.get_Key():System.__Canon:this (FullOpts)
          14 (43.75 % of base) : 164236.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<TKey,TValue>>.CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[int]][],int):this (FullOpts)
          14 (43.75 % of base) : 244273.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<TKey,TValue>>.CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[int]][],int):this (FullOpts)
           8 (40.00 % of base) : 235420.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,System.Nullable`1[int]]:<get_Keys>b__30_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[int]]):System.__Canon:this (FullOpts)

Top method improvements (percentages):
         -36 (-9.42 % of base) : 152193.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -20 (-6.45 % of base) : 20910.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
         -16 (-6.15 % of base) : 152405.dasm - Microsoft.CodeAnalysis.RealParser:ConvertBigIntegerToFloatingPointBits(ubyte[],uint,ubyte,Microsoft.CodeAnalysis.RealParser+FloatingPointType,byref):int (FullOpts)
         -30 (-6.12 % of base) : 236642.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
          -4 (-5.71 % of base) : 62001.dasm - Microsoft.CodeAnalysis.CSharp.ObjectDisplay:ContainsNewLine(System.String):ubyte (FullOpts)
         -30 (-5.62 % of base) : 163730.dasm - Microsoft.CodeAnalysis.Diagnostics.AnalyzerDriver`1+<>c__DisplayClass11_0[ubyte]:<ExecuteDeclaringReferenceActions>g__executeExecutableCodeActions|2():this (FullOpts)
         -14 (-5.60 % of base) : 144298.dasm - System.Xml.Xsl.Runtime.XmlStringSortKey:CompareTo(System.Object):int:this (FullOpts)
         -10 (-4.39 % of base) : 72017.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.LanguageParser:ConsumeRemainingContentThroughNewLine(System.Text.StringBuilder,System.ReadOnlySpan`1[ushort],int):int (FullOpts)
          -4 (-4.35 % of base) : 154172.dasm - Microsoft.CodeAnalysis.XmlCharType:IsPublicId(System.String):int (FullOpts)
         -30 (-4.25 % of base) : 153626.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,Microsoft.CodeAnalysis.SyntaxTriviaList,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte],byref):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -78 (-4.24 % of base) : 153624.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -22 (-3.27 % of base) : 153629.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetNextToken(byref,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],ubyte,System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
          -6 (-3.12 % of base) : 275680.dasm - Microsoft.Build.Shared.TypeLoader:IsPartialTypeNameMatch(System.String,System.String):ubyte (FullOpts)
          -2 (-3.12 % of base) : 58050.dasm - Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel:IsInDocumentationComment(Microsoft.CodeAnalysis.SyntaxNode):ubyte (FullOpts)
         -12 (-3.02 % of base) : 148141.dasm - Roslyn.Utilities.PathUtilities:GetWindowsRoot(System.String):System.String (FullOpts)
          -4 (-2.67 % of base) : 20835.dasm - System.Security.Cryptography.X509Certificates.OpenSslX509ChainProcessor:AddUniqueStatus(System.Collections.Generic.List`1[System.Security.Cryptography.X509Certificates.X509ChainStatus],byref) (FullOpts)
         -18 (-2.34 % of base) : 63099.dasm - Microsoft.CodeAnalysis.CSharp.CSharpSyntaxNode:GetFirstDirective(System.Func`2[Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax,ubyte]):Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax:this (FullOpts)
         -18 (-2.34 % of base) : 121597.dasm - Microsoft.CodeAnalysis.VisualBasic.VisualBasicSyntaxNode:GetFirstDirective(System.Func`2[Microsoft.CodeAnalysis.VisualBasic.Syntax.DirectiveTriviaSyntax,ubyte]):Microsoft.CodeAnalysis.VisualBasic.Syntax.DirectiveTriviaSyntax:this (FullOpts)
          -4 (-2.20 % of base) : 112247.dasm - Microsoft.CodeAnalysis.VisualBasic.Syntax.InternalSyntax.Parser:PeekAheadFor[System.__Canon](System.Func`3[System.__Canon,System.__Canon,ubyte],System.__Canon,byref):int:this (FullOpts)
          -8 (-2.17 % of base) : 80599.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.ConstraintsHelper:CheckConstraints(Microsoft.CodeAnalysis.CSharp.Symbol,byref,Microsoft.CodeAnalysis.CSharp.Symbols.TypeMap,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeParameterSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeParameterDiagnosticInfo],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeParameterDiagnosticInfo],byref,Microsoft.CodeAnalysis.BitVector,System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeParameterSymbol]):ubyte (FullOpts)

libraries_tests.run.linux.arm.Release.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 244971224 (overridden on cmd)
Total bytes of diff: 245017800 (overridden on cmd)
Total bytes of delta: 46576 (0.02 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         886 : 164256.dasm (6.69 % of base)
         886 : 181276.dasm (6.69 % of base)
         886 : 170393.dasm (6.69 % of base)
         886 : 658086.dasm (6.69 % of base)
         886 : 109330.dasm (6.69 % of base)
         886 : 150255.dasm (6.69 % of base)
         762 : 322638.dasm (5.96 % of base)
         704 : 79526.dasm (5.24 % of base)
         592 : 388195.dasm (4.20 % of base)
         414 : 125630.dasm (4.16 % of base)
         288 : 533646.dasm (2.93 % of base)
         256 : 246588.dasm (2.53 % of base)
         246 : 378961.dasm (2.46 % of base)
         240 : 426116.dasm (2.38 % of base)
         212 : 577454.dasm (2.17 % of base)
         210 : 563272.dasm (2.15 % of base)
         204 : 407844.dasm (1.98 % of base)
         204 : 416861.dasm (1.98 % of base)
         196 : 328797.dasm (2.08 % of base)
         196 : 96346.dasm (2.19 % of base)

Top file improvements (bytes):
        -222 : 655069.dasm (-2.27 % of base)
        -206 : 572039.dasm (-3.57 % of base)
        -142 : 187975.dasm (-0.64 % of base)
        -130 : 176397.dasm (-2.20 % of base)
        -122 : 427266.dasm (-1.28 % of base)
        -120 : 82031.dasm (-5.57 % of base)
        -102 : 330897.dasm (-1.00 % of base)
        -102 : 164682.dasm (-0.83 % of base)
         -96 : 337156.dasm (-2.91 % of base)
         -90 : 126756.dasm (-0.72 % of base)
         -86 : 130444.dasm (-1.12 % of base)
         -86 : 268516.dasm (-1.12 % of base)
         -84 : 234551.dasm (-0.74 % of base)
         -84 : 372200.dasm (-5.23 % of base)
         -84 : 192878.dasm (-1.09 % of base)
         -80 : 113961.dasm (-0.62 % of base)
         -80 : 406314.dasm (-0.62 % of base)
         -80 : 193637.dasm (-0.62 % of base)
         -80 : 377665.dasm (-0.62 % of base)
         -80 : 219266.dasm (-0.74 % of base)

96 total files with Code Size differences (55 improved, 41 regressed), 20 unchanged.

Top method regressions (bytes):
         886 (6.69 % of base) : 164256.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         886 (6.69 % of base) : 181276.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         886 (6.69 % of base) : 170393.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         886 (6.69 % of base) : 658086.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         886 (6.69 % of base) : 109330.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         886 (6.69 % of base) : 150255.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         762 (5.96 % of base) : 322638.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         704 (5.24 % of base) : 79526.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         592 (4.20 % of base) : 388195.dasm - System.Reflection.Metadata.MetadataReader:InitializeTableReaders(System.Reflection.Internal.MemoryBlock,ubyte,int[],int[]):this (Tier1)
         414 (4.16 % of base) : 125630.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         288 (2.93 % of base) : 533646.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         256 (2.53 % of base) : 246588.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         246 (2.46 % of base) : 378961.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         240 (2.38 % of base) : 426116.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         212 (2.17 % of base) : 577454.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         210 (2.15 % of base) : 563272.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         204 (1.98 % of base) : 407844.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         204 (1.98 % of base) : 416861.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         196 (2.08 % of base) : 328797.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         196 (2.19 % of base) : 96346.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)

Top method improvements (bytes):
        -222 (-2.27 % of base) : 655069.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
        -206 (-3.57 % of base) : 572039.dasm - System.Text.TranscodingStream+<<ReadAsync>g__ReadAsyncCore|41_0>d:MoveNext():this (Tier1)
        -142 (-0.64 % of base) : 187975.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier0-FullOpts)
        -130 (-2.20 % of base) : 176397.dasm - Microsoft.CodeAnalysis.CSharp.LocalRewriter:MakeArguments(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],Microsoft.CodeAnalysis.CSharp.Symbol,ubyte,System.Collections.Immutable.ImmutableArray`1[int],byref,byref,ubyte):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression]:this (Tier1)
        -122 (-1.28 % of base) : 427266.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
        -120 (-5.57 % of base) : 82031.dasm - Microsoft.CodeAnalysis.CSharp.ExpressionVariableFinder:FindExpressionVariables(Microsoft.CodeAnalysis.CSharp.Binder,Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],Microsoft.CodeAnalysis.CSharp.CSharpSyntaxNode,Microsoft.CodeAnalysis.CSharp.Binder) (Tier1)
        -102 (-0.83 % of base) : 164682.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
        -102 (-1.00 % of base) : 330897.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         -96 (-2.91 % of base) : 337156.dasm - System.Linq.Parallel.SortHelper`2[System.__Canon,int]:MergeSortCooperatively():this (Tier0-FullOpts)
         -90 (-0.72 % of base) : 126756.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         -86 (-1.12 % of base) : 130444.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         -86 (-1.12 % of base) : 268516.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         -84 (-0.74 % of base) : 234551.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         -84 (-1.09 % of base) : 192878.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         -84 (-5.23 % of base) : 372200.dasm - System.Net.Http.Headers.MediaTypeHeaderValue:GetMediaTypeLength(System.String,int,System.Func`1[System.Net.Http.Headers.MediaTypeHeaderValue],byref):int (Tier1)
         -80 (-0.62 % of base) : 113961.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         -80 (-0.62 % of base) : 406314.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         -80 (-0.62 % of base) : 193637.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         -80 (-0.62 % of base) : 377665.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         -80 (-0.74 % of base) : 219266.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)

Top method regressions (percentages):
           8 (66.67 % of base) : 14301.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Instrumented Tier1)
           8 (66.67 % of base) : 30891.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
          20 (50.00 % of base) : 29068.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
          20 (50.00 % of base) : 33194.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (Tier1)
          16 (44.44 % of base) : 159144.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          16 (44.44 % of base) : 70011.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          16 (44.44 % of base) : 166693.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          16 (44.44 % of base) : 655513.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          16 (44.44 % of base) : 80377.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          16 (44.44 % of base) : 48062.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (Tier1)
           8 (44.44 % of base) : 40617.dasm - Microsoft.CodeAnalysis.NodeStateTable`1[System.ValueTuple`2[System.__Canon,int]]:get_Count():int:this (Tier1)
          12 (42.86 % of base) : 99876.dasm - Microsoft.CSharp.RuntimeBinder.BinderHelper:IsDynamicallyTypedRuntimeProxy(System.Dynamic.DynamicMetaObject,Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo):ubyte (Tier1)
          16 (42.11 % of base) : 67339.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          16 (42.11 % of base) : 42196.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          16 (42.11 % of base) : 107820.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          24 (40.00 % of base) : 224770.dasm - System.Collections.Generic.SortedList`2[System.__Canon,System.__Canon]:Clear():this (Tier1)
           8 (40.00 % of base) : 632380.dasm - System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (Tier1)
          12 (37.50 % of base) : 227916.dasm - System.Collections.Generic.SortedDictionary`2+KeyCollection+<>c__DisplayClass5_0[System.__Canon,System.__Canon]:<CopyTo>b__0(System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):ubyte:this (Tier1)
          12 (37.50 % of base) : 229923.dasm - System.Collections.Generic.SortedDictionary`2+KeyCollection+<>c__DisplayClass6_0[System.__Canon,System.__Canon]:<System.Collections.ICollection.CopyTo>b__0(System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):ubyte:this (Tier1)
          12 (37.50 % of base) : 229896.dasm - System.Collections.Generic.SortedDictionary`2+ValueCollection+<>c__DisplayClass6_0[System.__Canon,System.__Canon]:<System.Collections.ICollection.CopyTo>b__0(System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):ubyte:this (Tier1)

Top method improvements (percentages):
         -36 (-9.42 % of base) : 11974.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (Tier0-FullOpts)
         -36 (-9.42 % of base) : 153401.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (Tier0-FullOpts)
         -36 (-9.42 % of base) : 139978.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (Tier0-FullOpts)
         -54 (-8.57 % of base) : 396367.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 397141.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 180315.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 181715.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 390981.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 391203.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 396108.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 396218.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 396302.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 396497.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 396921.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 397051.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 183349.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 396702.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -54 (-8.54 % of base) : 396837.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -20 (-8.26 % of base) : 661299.dasm - Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1)
         -20 (-8.26 % of base) : 81723.dasm - Microsoft.CodeAnalysis.CSharp.BoundBlock:.ctor(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.LocalFunctionSymbol],ubyte,Microsoft.CodeAnalysis.CSharp.BoundBlockInstrumentation,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundStatement],ubyte):this (Tier1)

librariestestsnotieredcompilation.run.linux.arm.Release.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 93398640 (overridden on cmd)
Total bytes of diff: 93411670 (overridden on cmd)
Total bytes of delta: 13030 (0.01 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         176 : 43420.dasm (2.82 % of base)
         176 : 49079.dasm (2.82 % of base)
         176 : 4577.dasm (2.86 % of base)
         168 : 62181.dasm (17.83 % of base)
         156 : 62627.dasm (14.42 % of base)
         122 : 120487.dasm (2.32 % of base)
          96 : 62587.dasm (13.11 % of base)
          96 : 62102.dasm (15.14 % of base)
          72 : 5031.dasm (6.01 % of base)
          70 : 306068.dasm (6.01 % of base)
          68 : 183774.dasm (7.04 % of base)
          64 : 77342.dasm (1.98 % of base)
          58 : 5434.dasm (2.63 % of base)
          56 : 192772.dasm (4.98 % of base)
          54 : 75350.dasm (13.64 % of base)
          54 : 52961.dasm (2.97 % of base)
          50 : 4742.dasm (4.71 % of base)
          50 : 9326.dasm (28.09 % of base)
          48 : 77331.dasm (2.97 % of base)
          48 : 194723.dasm (5.02 % of base)

Top file improvements (bytes):
        -310 : 59632.dasm (-1.36 % of base)
         -74 : 14548.dasm (-1.27 % of base)
         -72 : 282229.dasm (-1.87 % of base)
         -70 : 279059.dasm (-3.44 % of base)
         -64 : 279233.dasm (-3.85 % of base)
         -58 : 279375.dasm (-2.86 % of base)
         -48 : 44720.dasm (-0.93 % of base)
         -46 : 43623.dasm (-2.21 % of base)
         -46 : 49321.dasm (-2.21 % of base)
         -36 : 49344.dasm (-9.42 % of base)
         -36 : 5134.dasm (-9.42 % of base)
         -36 : 279040.dasm (-2.34 % of base)
         -36 : 43646.dasm (-9.42 % of base)
         -36 : 296223.dasm (-0.71 % of base)
         -34 : 295736.dasm (-2.66 % of base)
         -34 : 279037.dasm (-2.44 % of base)
         -34 : 279039.dasm (-2.44 % of base)
         -34 : 50567.dasm (-0.65 % of base)
         -30 : 67789.dasm (-6.12 % of base)
         -30 : 11187.dasm (-5.84 % of base)

85 total files with Code Size differences (34 improved, 51 regressed), 20 unchanged.

Top method regressions (bytes):
         176 (2.82 % of base) : 43420.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
         176 (2.82 % of base) : 49079.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
         176 (2.86 % of base) : 4577.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
         168 (17.83 % of base) : 62181.dasm - System.CodeDom.Compiler.CodeGenerator:GenerateStatement(System.CodeDom.CodeStatement):this (FullOpts)
         156 (14.42 % of base) : 62627.dasm - Microsoft.CSharp.CSharpCodeGenerator:GenerateStatement(System.CodeDom.CodeStatement):this (FullOpts)
         122 (2.32 % of base) : 120487.dasm - System.Text.RegularExpressions.Generated.<RegexGenerator_g>F41B8911E2F21D4DC5E3A6E6E037C09C91843DEA626D26CDD1D82984E3611395A__GetRegex_0+RunnerFactory+Runner:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (FullOpts)
          96 (13.11 % of base) : 62587.dasm - Microsoft.CSharp.CSharpCodeGenerator:GenerateTypeMember(System.CodeDom.CodeTypeMember,System.CodeDom.CodeTypeDeclaration):this (FullOpts)
          96 (15.14 % of base) : 62102.dasm - System.CodeDom.Compiler.CodeGenerator:GenerateTypeMember(System.CodeDom.CodeTypeMember,System.CodeDom.CodeTypeDeclaration):this (FullOpts)
          72 (6.01 % of base) : 5031.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:Bind(System.Collections.Immutable.ImmutableArray`1[System.__Canon],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.PEModule],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.MetadataReference],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]],Microsoft.CodeAnalysis.MetadataReferenceResolver,ubyte,ubyte,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag,byref,byref):Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][]:this (FullOpts)
          70 (6.01 % of base) : 306068.dasm - CoreXml.Test.XLinq.UndoManager:Changing(System.Object,System.Xml.Linq.XObjectChangeEventArgs):this (FullOpts)
          68 (7.04 % of base) : 183774.dasm - System.Reflection.Metadata.Tests.BlobContentIdTests:Equality():this (FullOpts)
          64 (1.98 % of base) : 77342.dasm - System.Collections.Tests.LinkedList_Generic_Tests`1[System.__Canon]:AddBefore_LLNode_LLNode():this (FullOpts)
          58 (2.63 % of base) : 5434.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol:CheckMembers(Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceSymbol,System.Collections.Generic.Dictionary`2[System.ReadOnlyMemory`1[ushort],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol]],Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag) (FullOpts)
          56 (4.98 % of base) : 192772.dasm - System.Numerics.Tests.BigIntegerTests_GenericMath:SignTest() (FullOpts)
          54 (2.97 % of base) : 52961.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
          54 (13.64 % of base) : 75350.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.__Canon]:DequeueEnqueue(System.__Canon,System.__Canon):System.__Canon:this (FullOpts)
          50 (4.71 % of base) : 4742.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          50 (28.09 % of base) : 9326.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:Add(System.__Canon,System.__Canon,System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:this (FullOpts)
          48 (5.02 % of base) : 194723.dasm - DataContractJsonSerializerTests:DCJS_DoubleAsRoot() (FullOpts)
          48 (2.97 % of base) : 77331.dasm - System.Collections.Tests.LinkedList_Generic_Tests`1[System.__Canon]:AddFirst_LinkedListNode():this (FullOpts)

Top method improvements (bytes):
        -310 (-1.36 % of base) : 59632.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (FullOpts)
         -74 (-1.27 % of base) : 14548.dasm - Microsoft.CodeAnalysis.CSharp.OverloadResolutionResult`1[System.__Canon]:ReportDiagnostics[System.__Canon](Microsoft.CodeAnalysis.CSharp.Binder,Microsoft.CodeAnalysis.Location,Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag,System.String,Microsoft.CodeAnalysis.CSharp.BoundExpression,Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.CSharp.AnalyzedArguments,System.Collections.Immutable.ImmutableArray`1[System.__Canon],Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.CSharpSyntaxNode,ubyte,System.Nullable`1[ubyte],Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol):this (FullOpts)
         -72 (-1.87 % of base) : 282229.dasm - RegexTestNamespace.RegexRunnerTestClass:Go():this (FullOpts)
         -70 (-3.44 % of base) : 279059.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex4341_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -64 (-3.85 % of base) : 279233.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex1647_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -58 (-2.86 % of base) : 279375.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex4343_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -48 (-0.93 % of base) : 44720.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:VisitArguments(Microsoft.CodeAnalysis.CSharp.BoundNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol):System.ValueTuple`3[Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],ubyte]:this (FullOpts)
         -46 (-2.21 % of base) : 43623.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (FullOpts)
         -46 (-2.21 % of base) : 49321.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (FullOpts)
         -36 (-9.42 % of base) : 49344.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -36 (-9.42 % of base) : 5134.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -36 (-9.42 % of base) : 43646.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -36 (-2.34 % of base) : 279040.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex4334_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -36 (-0.71 % of base) : 296223.dasm - System.Text.RegularExpressions.Generated.<RegexGenerator_g>FE11ED309466AF57DE9D7AB55C09A60EE21567522F71D3843DB41A5B03BB97697__Match_InstanceMethods_DefaultTimeout_SourceGenerated_ThrowsImpl_0+RunnerFactory+Runner:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (FullOpts)
         -34 (-0.65 % of base) : 50567.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:VisitArguments(Microsoft.CodeAnalysis.CSharp.BoundNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol):System.ValueTuple`3[Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],ubyte]:this (FullOpts)
         -34 (-2.66 % of base) : 295736.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex33208_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -34 (-2.44 % of base) : 279037.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex4332_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -34 (-2.44 % of base) : 279039.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex4333_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -30 (-5.84 % of base) : 11187.dasm - Microsoft.CodeAnalysis.Diagnostics.AnalyzerDriver`1+<>c__DisplayClass11_0[ushort]:<ExecuteDeclaringReferenceActions>g__executeExecutableCodeActions|2():this (FullOpts)
         -30 (-6.12 % of base) : 67789.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)

Top method regressions (percentages):
           8 (66.67 % of base) : 3467.dasm - System.Threading.Tasks.Task`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:this (FullOpts)
          20 (50.00 % of base) : 2408.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Text.TextSpan]]]):this (FullOpts)
          20 (50.00 % of base) : 2860.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          16 (47.06 % of base) : 4757.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
           8 (44.44 % of base) : 5516.dasm - Microsoft.CodeAnalysis.NodeStateTable`1[System.__Canon]:get_Count():int:this (FullOpts)
          20 (41.67 % of base) : 75295.dasm - System.Collections.Generic.SortedDictionary`2+<>c__DisplayClass34_1[System.__Canon,System.__Canon]:<ContainsValue>b__1(System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):ubyte:this (FullOpts)
          24 (40.00 % of base) : 76976.dasm - System.Collections.Generic.SortedList`2[System.__Canon,System.__Canon]:Clear():this (FullOpts)
           8 (40.00 % of base) : 256585.dasm - System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (FullOpts)
           8 (40.00 % of base) : 241426.dasm - System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (FullOpts)
          10 (38.46 % of base) : 70612.dasm - System.Collections.Immutable.ImmutableDictionary`2[double,System.__Canon]:ContainsKey(double):ubyte:this (FullOpts)
          12 (37.50 % of base) : 74966.dasm - System.Collections.Generic.SortedDictionary`2+KeyCollection+<>c__DisplayClass6_0[System.__Canon,System.__Canon]:<System.Collections.ICollection.CopyTo>b__0(System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):ubyte:this (FullOpts)
          12 (37.50 % of base) : 75223.dasm - System.Collections.Generic.SortedDictionary`2+ValueCollection+<>c__DisplayClass5_0[System.__Canon,System.__Canon]:<CopyTo>b__0(System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):ubyte:this (FullOpts)
          12 (37.50 % of base) : 74953.dasm - System.Collections.Generic.SortedDictionary`2+ValueCollection+<>c__DisplayClass6_0[System.__Canon,System.__Canon]:<System.Collections.ICollection.CopyTo>b__0(System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):ubyte:this (FullOpts)
          10 (35.71 % of base) : 14170.dasm - Microsoft.CodeAnalysis.AddImport.AbstractAddImportsService`4[System.__Canon,System.__Canon,System.__Canon,System.__Canon]:HasExterns(Microsoft.CodeAnalysis.SyntaxNode):ubyte:this (FullOpts)
          10 (35.71 % of base) : 70433.dasm - System.Collections.Immutable.ImmutableDictionary`2[int,System.__Canon]:ContainsKey(int):ubyte:this (FullOpts)
           8 (33.33 % of base) : 36502.dasm - Grace.Data.Immutable.ImmutableHashTree`2+<>c[System.__Canon,System.__Canon]:<get_Values>b__22_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
           8 (33.33 % of base) : 69179.dasm - System.Collections.Frozen.Tests.FrozenDictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<LookupItems_AllItemsFoundAsExpected>b__33_1(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
           8 (33.33 % of base) : 69108.dasm - System.Collections.Frozen.Tests.FrozenDictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<ToFrozenDictionary_KeySelector_ResultsAreUsed>b__30_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (33.33 % of base) : 70615.dasm - System.Collections.Immutable.ImmutableDictionary`2[double,System.__Canon]:TryGetValue(double,byref):ubyte:this (FullOpts)
           8 (33.33 % of base) : 69686.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,System.__Canon]:<get_Keys>b__30_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)

Top method improvements (percentages):
         -36 (-9.42 % of base) : 49344.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -36 (-9.42 % of base) : 5134.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -36 (-9.42 % of base) : 43646.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -20 (-6.45 % of base) : 152946.dasm - System.Security.Cryptography.X509Certificates.UnixPkcs12Reader:GetSingleCert():System.Security.Cryptography.X509Certificates.UnixPkcs12Reader+CertAndKey:this (FullOpts)
         -16 (-6.15 % of base) : 31556.dasm - Microsoft.CodeAnalysis.RealParser:ConvertBigIntegerToFloatingPointBits(ubyte[],uint,ubyte,Microsoft.CodeAnalysis.RealParser+FloatingPointType,byref):int (FullOpts)
         -30 (-6.12 % of base) : 67789.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -30 (-5.84 % of base) : 11187.dasm - Microsoft.CodeAnalysis.Diagnostics.AnalyzerDriver`1+<>c__DisplayClass11_0[ushort]:<ExecuteDeclaringReferenceActions>g__executeExecutableCodeActions|2():this (FullOpts)
         -14 (-5.60 % of base) : 171680.dasm - System.Xml.Xsl.Runtime.XmlStringSortKey:CompareTo(System.Object):int:this (FullOpts)
         -28 (-4.17 % of base) : 46502.dasm - Microsoft.CodeAnalysis.CSharp.LocalRewriter:CanBePassedByReference(Microsoft.CodeAnalysis.CSharp.BoundExpression):ubyte (FullOpts)
         -64 (-3.85 % of base) : 279233.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex1647_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -70 (-3.44 % of base) : 279059.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex4341_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -14 (-3.32 % of base) : 210751.dasm - System.Tests.StringTests:StartsWithNoMatch_Char() (FullOpts)
         -22 (-3.27 % of base) : 8749.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetNextToken(byref,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],ubyte,System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
          -2 (-3.12 % of base) : 11220.dasm - Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel:IsInDocumentationComment(Microsoft.CodeAnalysis.SyntaxNode):ubyte (FullOpts)
          -2 (-3.12 % of base) : 50788.dasm - Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel:IsInDocumentationComment(Microsoft.CodeAnalysis.SyntaxNode):ubyte (FullOpts)
         -10 (-2.91 % of base) : 143561.dasm - System.SpanTests.ReadOnlySpanTests:EndsWithNoMatch_Long() (FullOpts)
         -10 (-2.91 % of base) : 146011.dasm - System.SpanTests.SpanTests:EndsWithNoMatch_Long() (FullOpts)
         -58 (-2.86 % of base) : 279375.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex4343_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -12 (-2.79 % of base) : 210948.dasm - System.Tests.StringTests:SequenceEqualNoMatch_Char() (FullOpts)
          -4 (-2.67 % of base) : 218930.dasm - Internal.Cryptography.PkcsHelpers:OctetStringToUnicode(ubyte[]):System.String (FullOpts)

realworld.run.linux.arm.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os linux -target_arch arm -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 13306794 (overridden on cmd)
Total bytes of diff: 13310158 (overridden on cmd)
Total bytes of delta: 3364 (0.03 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         196 : 22605.dasm (3.25 % of base)
          50 : 22716.dasm (4.71 % of base)
          50 : 37332.dasm (3.42 % of base)
          50 : 3931.dasm (0.58 % of base)
          48 : 22960.dasm (2.62 % of base)
          44 : 31333.dasm (1.01 % of base)
          44 : 12586.dasm (11.34 % of base)
          40 : 19954.dasm (4.65 % of base)
          40 : 23033.dasm (3.81 % of base)
          32 : 24106.dasm (2.18 % of base)
          32 : 1733.dasm (3.87 % of base)
          32 : 3996.dasm (13.33 % of base)
          30 : 18990.dasm (3.50 % of base)
          30 : 33107.dasm (1.83 % of base)
          30 : 36433.dasm (5.70 % of base)
          28 : 11167.dasm (6.64 % of base)
          28 : 11171.dasm (10.61 % of base)
          28 : 11670.dasm (24.14 % of base)
          28 : 12028.dasm (7.91 % of base)
          28 : 33269.dasm (26.92 % of base)

Top file improvements (bytes):
        -132 : 17174.dasm (-9.54 % of base)
         -78 : 7708.dasm (-0.86 % of base)
         -40 : 36710.dasm (-4.11 % of base)
         -38 : 18611.dasm (-2.46 % of base)
         -36 : 16974.dasm (-0.95 % of base)
         -36 : 23068.dasm (-9.42 % of base)
         -26 : 24256.dasm (-0.56 % of base)
         -24 : 23034.dasm (-1.06 % of base)
         -22 : 30739.dasm (-3.27 % of base)
         -20 : 5921.dasm (-0.42 % of base)
         -18 : 23080.dasm (-0.98 % of base)
         -18 : 18739.dasm (-0.62 % of base)
         -14 : 37666.dasm (-0.89 % of base)
         -12 : 18768.dasm (-0.87 % of base)
         -12 : 28917.dasm (-0.48 % of base)
         -12 : 29139.dasm (-0.29 % of base)
         -12 : 32830.dasm (-0.41 % of base)
         -12 : 34276.dasm (-0.46 % of base)
         -10 : 20754.dasm (-0.58 % of base)
         -10 : 23916.dasm (-1.44 % of base)

82 total files with Code Size differences (29 improved, 53 regressed), 20 unchanged.

Top method regressions (bytes):
         196 (3.25 % of base) : 22605.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
          50 (0.58 % of base) : 3931.dasm - FSharp.Compiler.AbstractIL.ILBinaryReader:openMetadataReader(System.String,FSharp.Compiler.AbstractIL.ILBinaryReader+BinaryFile,int,System.Tuple`8[ushort,System.Tuple`2[int,int],ubyte,ubyte,ubyte,ubyte,ubyte,System.Tuple`5[Microsoft.FSharp.Core.FSharpOption`1[FSharp.Compiler.AbstractIL.IL+ILPlatform],ubyte,int,int,int]],FSharp.Compiler.AbstractIL.ILBinaryReader+PEReader,FSharp.Compiler.IO.ReadOnlyByteMemory,Microsoft.FSharp.Core.FSharpOption`1[FSharp.Compiler.AbstractIL.ILBinaryReader+PEReader],ubyte):System.Tuple`2[FSharp.Compiler.AbstractIL.IL+ILModuleDef,System.Lazy`1[Microsoft.FSharp.Collections.FSharpList`1[FSharp.Compiler.AbstractIL.IL+ILAssemblyRef]]] (FullOpts)
          50 (3.42 % of base) : 37332.dasm - Microsoft.ApplicationInsights.Metrics.ConcurrentDatastructures.MultidimensionalCube2`1[System.__Canon]:TryCreatePoint(System.String[],System.String):Microsoft.ApplicationInsights.Metrics.ConcurrentDatastructures.MultidimensionalPointResult`1[System.__Canon]:this (FullOpts)
          50 (4.71 % of base) : 22716.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          48 (2.62 % of base) : 22960.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:TryAddAssembly(Microsoft.CodeAnalysis.AssemblyIdentity,Microsoft.CodeAnalysis.MetadataReference,int,Microsoft.CodeAnalysis.DiagnosticBag,Microsoft.CodeAnalysis.Location,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):Microsoft.CodeAnalysis.MetadataReference:this (FullOpts)
          44 (1.01 % of base) : 31333.dasm - Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator:EmitCondBranchCore(Microsoft.CodeAnalysis.CSharp.BoundExpression,byref,ubyte):this (FullOpts)
          44 (11.34 % of base) : 12586.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,FSharp.Compiler.Text.Range]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,FSharp.Compiler.Text.Range][],int):this (FullOpts)
          40 (3.81 % of base) : 23033.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (FullOpts)
          40 (4.65 % of base) : 19954.dasm - System.Collections.Concurrent.Partitioner+DynamicPartitionerForIEnumerable`1+InternalPartitionEnumerable[System.__Canon]:GrabChunk_Buffered(System.Collections.Generic.KeyValuePair`2[long,System.__Canon][],int,byref):ubyte:this (FullOpts)
          32 (3.87 % of base) : 1733.dasm - BepuUtilities.Collections.QuickSort:Sort[int,BepuPhysics.Trees.Tree+IndexMapComparer](byref,int,int,byref) (FullOpts)
          32 (2.18 % of base) : 24106.dasm - Microsoft.CodeAnalysis.CSharp.Binder:BindDefaultArguments(Microsoft.CodeAnalysis.SyntaxNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[ubyte],byref,byref,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag,ubyte,Microsoft.CodeAnalysis.CSharp.Symbol):this (FullOpts)
          32 (13.33 % of base) : 3996.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[int,System.__Canon]:TryGetValue(int,byref):ubyte:this (FullOpts)
          30 (1.83 % of base) : 33107.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
          30 (3.50 % of base) : 18990.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.Net.Http.HttpConnectionPoolManager+HttpConnectionKey,System.__Canon]:TryGetValue(System.Net.Http.HttpConnectionPoolManager+HttpConnectionKey,byref):ubyte:this (FullOpts)
          30 (5.70 % of base) : 36433.dasm - System.Management.Automation.Interpreter.HybridReferenceDictionary`2[System.__Canon,System.__Canon]:set_Item(System.__Canon,System.__Canon):this (FullOpts)
          28 (7.91 % of base) : 12028.dasm - FSharp.Compiler.Infos+PropInfo:get_ApparentEnclosingType():FSharp.Compiler.TypedTree+TType:this (FullOpts)
          28 (10.61 % of base) : 11171.dasm - FSharp.Compiler.Infos+PropInfo:get_HasGetter():ubyte:this (FullOpts)
          28 (6.64 % of base) : 11167.dasm - FSharp.Compiler.Infos+PropInfo:get_IsStatic():ubyte:this (FullOpts)
          28 (7.49 % of base) : 10867.dasm - FSharp.Compiler.Infos+PropInfo:get_PropertyName():System.String:this (FullOpts)
          28 (24.14 % of base) : 11670.dasm - FSharp.Compiler.Infos+PropInfo:get_TcGlobals():FSharp.Compiler.TcGlobals+TcGlobals:this (FullOpts)

Top method improvements (bytes):
        -132 (-9.54 % of base) : 17174.dasm - SixLabors.ImageSharp.Compression.Zlib.DeflaterEngine:FindLongestMatch(int):ubyte:this (FullOpts)
         -78 (-0.86 % of base) : 7708.dasm - FSharp.Compiler.Lexer:singleQuoteString(FSharp.Compiler.IO.ByteBuffer,FSharp.Compiler.Lexhelp+LexerStringFinisher,FSharp.Compiler.Text.Range,FSharp.Compiler.ParseHelpers+LexerStringKind,FSharp.Compiler.Lexhelp+LexArgs,ubyte,Internal.Utilities.Text.Lexing.LexBuffer`1[ushort]):FSharp.Compiler.Parser+token (FullOpts)
         -40 (-4.11 % of base) : 36710.dasm - System.RuntimeType:ValidateGenericArguments(System.Reflection.MemberInfo,System.RuntimeType[],System.Exception) (FullOpts)
         -38 (-2.46 % of base) : 18611.dasm - Microsoft.ML.Data.MetricWriter:GetConfusionTableAsArray(Microsoft.ML.IDataView,int,int,int[],int,byref,byref):double[][] (FullOpts)
         -36 (-9.42 % of base) : 23068.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -36 (-0.95 % of base) : 16974.dasm - SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.HuffmanScanDecoder:DecodeBlockProgressiveACRefined(byref,byref):this (FullOpts)
         -26 (-0.56 % of base) : 24256.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:<VisitArguments>g__visitArguments|231_0(Microsoft.CodeAnalysis.CSharp.BoundNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Conversion],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,ubyte):System.ValueTuple`4[Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],ubyte,Microsoft.CodeAnalysis.CSharp.NullableWalker+ArgumentsCompletionDelegate]:this (FullOpts)
         -24 (-1.06 % of base) : 23034.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (FullOpts)
         -22 (-3.27 % of base) : 30739.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetNextToken(byref,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],ubyte,System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -20 (-0.42 % of base) : 5921.dasm - FSharp.Compiler.CompilerOptions:attempt@284(Microsoft.FSharp.Core.FSharpFunc`2[System.String,Microsoft.FSharp.Core.Unit],Microsoft.FSharp.Collections.FSharpList`1[FSharp.Compiler.CompilerOptions+CompilerOptionBlock],Microsoft.FSharp.Collections.FSharpList`1[System.String],Microsoft.FSharp.Collections.FSharpList`1[System.String],System.String,System.String,System.String,Microsoft.FSharp.Collections.FSharpList`1[FSharp.Compiler.CompilerOptions+CompilerOption]):Microsoft.FSharp.Collections.FSharpList`1[System.String] (FullOpts)
         -18 (-0.98 % of base) : 23080.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (FullOpts)
         -18 (-0.62 % of base) : 18739.dasm - System.Uri:CheckAuthorityHelper(uint,int,int,byref,byref,System.UriParser,byref):int:this (FullOpts)
         -14 (-0.89 % of base) : 37666.dasm - System.String:SplitWithPostProcessing(System.ReadOnlySpan`1[int],System.ReadOnlySpan`1[int],int,int,int):System.String[]:this (FullOpts)
         -12 (-0.46 % of base) : 34276.dasm - Microsoft.CodeAnalysis.AnalyzerConfigSet:GetOptionsForSourcePath(System.String):Microsoft.CodeAnalysis.AnalyzerConfigOptionsResult:this (FullOpts)
         -12 (-0.29 % of base) : 29139.dasm - Microsoft.CodeAnalysis.CSharp.Binder:BindCatchBlock(Microsoft.CodeAnalysis.CSharp.Syntax.CatchClauseSyntax,Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.BoundCatchBlock],Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag):Microsoft.CodeAnalysis.CSharp.BoundCatchBlock:this (FullOpts)
         -12 (-0.41 % of base) : 32830.dasm - Microsoft.CodeAnalysis.CSharp.SpillSequenceSpiller:Spill(Microsoft.CodeAnalysis.CSharp.SpillSequenceSpiller+BoundSpillSequenceBuilder,Microsoft.CodeAnalysis.CSharp.BoundExpression,ubyte,ubyte):Microsoft.CodeAnalysis.CSharp.BoundExpression:this (FullOpts)
         -12 (-0.48 % of base) : 28917.dasm - Microsoft.CodeAnalysis.CSharp.SwitchBinder:CheckSwitchErrors(byref,Microsoft.CodeAnalysis.CSharp.BoundDecisionDag,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag):this (FullOpts)
         -12 (-0.87 % of base) : 18768.dasm - Microsoft.ML.Internal.Utilities.ResourceManagerUtils:DownloadResource(Microsoft.ML.Runtime.IHostEnvironment,Microsoft.ML.Runtime.IChannel,System.Net.WebClient,System.Uri,System.String,System.String,System.Threading.CancellationToken):System.Exception:this (FullOpts)
         -10 (-1.30 % of base) : 6039.dasm - FSharp.Compiler.AbstractIL.IL+SHA1:sha1Hash(FSharp.Compiler.AbstractIL.IL+SHA1+SHAStream):System.Tuple`5[int,int,int,int,int] (FullOpts)
         -10 (-0.29 % of base) : 24094.dasm - Microsoft.CodeAnalysis.CSharp.OverloadResolution:IsApplicable(Microsoft.CodeAnalysis.CSharp.Symbol,Microsoft.CodeAnalysis.CSharp.OverloadResolution+EffectiveParameters,Microsoft.CodeAnalysis.CSharp.AnalyzedArguments,System.Collections.Immutable.ImmutableArray`1[int],ubyte,ubyte,ubyte,ubyte,byref):Microsoft.CodeAnalysis.CSharp.MemberAnalysisResult:this (FullOpts)

Top method regressions (percentages):
           8 (66.67 % of base) : 19054.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (FullOpts)
           8 (50.00 % of base) : 4382.dasm - Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
          18 (50.00 % of base) : 37044.dasm - System.Collections.Generic.SortedDictionary`2[int,System.__Canon]:Remove(int):ubyte:this (FullOpts)
          20 (50.00 % of base) : 20765.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,int]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,int]]):this (FullOpts)
          20 (50.00 % of base) : 20716.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          16 (47.06 % of base) : 22738.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
           8 (40.00 % of base) : 5648.dasm - Microsoft.FSharp.Collections.ListModule+groupByRefType@560-4[System.__Canon]:Invoke(Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]):System.__Canon:this (FullOpts)
           8 (33.33 % of base) : 22635.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):uint:this (FullOpts)
           8 (33.33 % of base) : 22637.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_1(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):System.__Canon:this (FullOpts)
          14 (33.33 % of base) : 16513.dasm - System.Collections.Generic.List`1[System.__Canon]:Clear():this (FullOpts)
           8 (33.33 % of base) : 20883.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
          14 (31.82 % of base) : 9693.dasm - FSharp.Compiler.Syntax.SynTyparDecls:get_Constraints():Microsoft.FSharp.Collections.FSharpList`1[FSharp.Compiler.Syntax.SynTypeConstraint]:this (FullOpts)
          28 (26.92 % of base) : 33269.dasm - System.Collections.Generic.Queue`1[System.__Canon]:Dequeue():System.__Canon:this (FullOpts)
          14 (25.93 % of base) : 8337.dasm - FSharp.Compiler.CodeAnalysis.TextContainer:System.IDisposable.Dispose():this (FullOpts)
          10 (25.00 % of base) : 31027.dasm - System.Collections.Immutable.ImmutableDictionary`2[int,System.__Canon]:TryGetValue(int,byref):ubyte:this (FullOpts)
          28 (24.14 % of base) : 11670.dasm - FSharp.Compiler.Infos+PropInfo:get_TcGlobals():FSharp.Compiler.TcGlobals+TcGlobals:this (FullOpts)
           8 (23.53 % of base) : 5645.dasm - Microsoft.FSharp.Collections.ListModule+groupByRefType@560-3[System.__Canon,System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
           8 (22.22 % of base) : 32257.dasm - Microsoft.CodeAnalysis.Collections.OrderedSet`1[System.__Canon]:System.Collections.Generic.IEnumerable<T>.GetEnumerator():System.Collections.Generic.IEnumerator`1[System.__Canon]:this (FullOpts)
           8 (22.22 % of base) : 3894.dasm - Microsoft.FSharp.Collections.FSharpList`1[System.__Canon]:get_Length():int:this (FullOpts)
          12 (22.22 % of base) : 5522.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (FullOpts)

Top method improvements (percentages):
        -132 (-9.54 % of base) : 17174.dasm - SixLabors.ImageSharp.Compression.Zlib.DeflaterEngine:FindLongestMatch(int):ubyte:this (FullOpts)
         -36 (-9.42 % of base) : 23068.dasm - Microsoft.CodeAnalysis.AssemblyIdentity:TryParseNameToken(System.String,byref,byref):ubyte (FullOpts)
         -40 (-4.11 % of base) : 36710.dasm - System.RuntimeType:ValidateGenericArguments(System.Reflection.MemberInfo,System.RuntimeType[],System.Exception) (FullOpts)
         -22 (-3.27 % of base) : 30739.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetNextToken(byref,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],ubyte,System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -38 (-2.46 % of base) : 18611.dasm - Microsoft.ML.Data.MetricWriter:GetConfusionTableAsArray(Microsoft.ML.IDataView,int,int,int[],int,byref,byref):double[][] (FullOpts)
          -6 (-2.44 % of base) : 36593.dasm - System.Management.Automation.ScriptDebugger+<GetCallStack>d__105:MoveNext():ubyte:this (FullOpts)
          -8 (-1.81 % of base) : 20341.dasm - Microsoft.ML.Trainers.KMeansUtils:FindBestCluster(byref,Microsoft.ML.Data.VBuffer`1[float][],float[],int,ubyte,byref,byref,byref,byref) (FullOpts)
          -2 (-1.61 % of base) : 15010.dasm - System.Buffers.Latin1CharSearchValues:IndexOfAny[System.Buffers.IndexOfAnyAsciiSearcher+Negate](byref,int):int:this (FullOpts)
         -10 (-1.44 % of base) : 23916.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEMethodSymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol] (FullOpts)
          -6 (-1.32 % of base) : 19680.dasm - System.Text.Unicode.Utf8:ToUtf16(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte,ubyte):int (FullOpts)
         -10 (-1.30 % of base) : 6039.dasm - FSharp.Compiler.AbstractIL.IL+SHA1:sha1Hash(FSharp.Compiler.AbstractIL.IL+SHA1+SHAStream):System.Tuple`5[int,int,int,int,int] (FullOpts)
          -4 (-1.16 % of base) : 32634.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
         -24 (-1.06 % of base) : 23034.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbols(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):this (FullOpts)
          -2 (-1.01 % of base) : 24578.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.ConstructedNamedTypeSymbol:TypeParametersMatchTypeArguments(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeParameterSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations]):ubyte (FullOpts)
         -18 (-0.98 % of base) : 23080.dasm - Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager:SetupReferencesForFileAssembly(Microsoft.CodeAnalysis.CSharp.CSharpCompilation+ReferenceManager+AssemblyDataForFile,Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol][],byref,byref,Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol) (FullOpts)
          -6 (-0.97 % of base) : 9570.dasm - FSharp.Compiler.TypedTreeOps:eliminateDeadTargetsFromMatch[System.__Canon](FSharp.Compiler.TypedTree+DecisionTree,System.__Canon[]):System.Tuple`2[System.__Canon,System.__Canon] (FullOpts)
         -36 (-0.95 % of base) : 16974.dasm - SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.HuffmanScanDecoder:DecodeBlockProgressiveACRefined(byref,byref):this (FullOpts)
         -14 (-0.89 % of base) : 37666.dasm - System.String:SplitWithPostProcessing(System.ReadOnlySpan`1[int],System.ReadOnlySpan`1[int],int,int,int):System.String[]:this (FullOpts)
         -12 (-0.87 % of base) : 18768.dasm - Microsoft.ML.Internal.Utilities.ResourceManagerUtils:DownloadResource(Microsoft.ML.Runtime.IHostEnvironment,Microsoft.ML.Runtime.IChannel,System.Net.WebClient,System.Uri,System.String,System.String,System.Threading.CancellationToken):System.Exception:this (FullOpts)
         -78 (-0.86 % of base) : 7708.dasm - FSharp.Compiler.Lexer:singleQuoteString(FSharp.Compiler.IO.ByteBuffer,FSharp.Compiler.Lexhelp+LexerStringFinisher,FSharp.Compiler.Text.Range,FSharp.Compiler.ParseHelpers+LexerStringKind,FSharp.Compiler.Lexhelp+LexArgs,ubyte,Internal.Utilities.Text.Lexing.LexBuffer`1[ushort]):FSharp.Compiler.Parser+token (FullOpts)

windows x86

Diffs are based on 2,291,575 contexts (840,452 MinOpts, 1,451,123 FullOpts).

MISSED contexts: base: 6,850 (0.30%), diff: 7,552 (0.33%)

Overall (+65,644 bytes)

Collection Base size (bytes) Diff size (bytes)
benchmarks.run.windows.x86.checked.mch 6,959,786 +3,190
benchmarks.run_pgo.windows.x86.checked.mch 45,633,676 +2,999
benchmarks.run_tiered.windows.x86.checked.mch 9,313,285 +2,380
coreclr_tests.run.windows.x86.checked.mch 308,728,365 -8,577
libraries.crossgen2.windows.x86.checked.mch 31,654,820 -1,036
libraries.pmi.windows.x86.checked.mch 47,961,722 +11,632
libraries_tests.run.windows.x86.Release.mch 186,473,129 +40,825
librariestestsnotieredcompilation.run.windows.x86.Release.mch 102,590,267 +12,190
realworld.run.windows.x86.checked.mch 10,958,137 +2,041

FullOpts (+65,644 bytes)

Collection Base size (bytes) Diff size (bytes)
benchmarks.run.windows.x86.checked.mch 6,959,507 +3,190
benchmarks.run_pgo.windows.x86.checked.mch 39,020,797 +2,999
benchmarks.run_tiered.windows.x86.checked.mch 5,045,846 +2,380
coreclr_tests.run.windows.x86.checked.mch 107,034,060 -8,577
libraries.crossgen2.windows.x86.checked.mch 31,653,763 -1,036
libraries.pmi.windows.x86.checked.mch 47,866,408 +11,632
libraries_tests.run.windows.x86.Release.mch 88,316,698 +40,825
librariestestsnotieredcompilation.run.windows.x86.Release.mch 93,920,559 +12,190
realworld.run.windows.x86.checked.mch 10,662,437 +2,041

Example diffs

benchmarks.run.windows.x86.checked.mch

-19 (-4.19%) : 4445.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int 

@@ -8,22 +8,22 @@
 ; 0 inlinees with PGO data; 7 single block inlinees; 3 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T06] (  4,  7   )     ref  ->  [ebp-0x28]  class-hnd single-def <System.String[]>
+;  V00 arg0         [V00,T06] (  4,  7   )     ref  ->  [ebp-0x24]  class-hnd single-def <System.String[]>
 ;* V01 arg1         [V01    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <System.Collections.Generic.IEqualityComparer`1[System.String]>
 ;  V02 arg2         [V02,T09] (  2,  5   )     int  ->  [ebp+0x0C]  single-def
 ;  V03 arg3         [V03,T19] (  1,  1   )     int  ->  [ebp+0x08]  single-def
 ;  V04 loc0         [V04,T11] (  4,  3   )     int  ->  [ebp-0x10]  spill-single-def
 ;  V05 loc1         [V05,T10] (  8,  4   )     int  ->  [ebp-0x14]  spill-single-def
-;  V06 loc2         [V06,T03] ( 13, 24.16)     ref  ->  [ebp-0x2C]  class-hnd spill-single-def <int[]>
+;  V06 loc2         [V06,T03] ( 13, 24.16)     ref  ->  [ebp-0x28]  class-hnd spill-single-def <int[]>
 ;  V07 loc3         [V07,T08] (  4,  5   )     int  ->  [ebp-0x18] 
 ;  V08 loc4         [V08,T16] (  3,  1.50)     ref  ->  esi         class-hnd single-def <int[]>
 ;* V09 loc5         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Span`1[int]>
 ;  V10 loc6         [V10,T05] (  6, 18.50)     int  ->  edx        
 ;* V11 loc7         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <System.String>
-;  V12 loc8         [V12,T04] (  6, 20   )     int  ->  [ebp-0x1C]  spill-single-def
+;  V12 loc8         [V12,T04] (  6, 20   )     int  ->  ebx        
 ;  V13 loc9         [V13,T02] (  7, 32   )     int  ->  eax        
 ;  V14 loc10        [V14,T00] ( 12, 74.16)     int  ->  edi        
-;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  registers  
+;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  esi        
 ;* V16 tmp0         [V16    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[int]>
 ;* V17 tmp1         [V17    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
 ;* V18 tmp2         [V18    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline return value spill temp" <int[]>
@@ -32,15 +32,15 @@
 ;  V21 tmp5         [V21,T12] (  2,  2   )     ref  ->  eax         single-def "Single return block return value"
 ;* V22 tmp6         [V22    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V09._reference (fldOffset=0x0)" P-INDEP
 ;* V23 tmp7         [V23    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x4)" P-INDEP
-;  V24 tmp8         [V24,T17] (  3,  1.50)   byref  ->  [ebp-0x30]  "field V16._reference (fldOffset=0x0)" P-INDEP
-;  V25 tmp9         [V25,T18] (  3,  1.50)     int  ->  [ebp-0x20]  "field V16._length (fldOffset=0x4)" P-INDEP
+;  V24 tmp8         [V24,T17] (  3,  1.50)   byref  ->  [ebp-0x2C]  "field V16._reference (fldOffset=0x0)" P-INDEP
+;  V25 tmp9         [V25,T18] (  3,  1.50)     int  ->  [ebp-0x1C]  "field V16._length (fldOffset=0x4)" P-INDEP
 ;  V26 tmp10        [V26,T13] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;  V27 tmp11        [V27,T14] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;  V28 tmp12        [V28,T15] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;* V29 cse0         [V29,T20] (  0,  0   )     int  ->  zero-ref    "CSE - conservative"
-;  V30 cse1         [V30,T07] (  4,  6.50)     int  ->  [ebp-0x24]  spill-single-def "CSE - moderate"
+;  V30 cse1         [V30,T07] (  4,  6.50)     int  ->  [ebp-0x20]  spill-single-def "CSE - moderate"
 ;
-; Lcl frame size = 36
+; Lcl frame size = 32
 
 G_M57321_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -48,7 +48,7 @@ G_M57321_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 36
+       sub      esp, 32
        vzeroupper 
        mov      esi, ecx
        ; gcrRegs +[esi]
@@ -60,18 +60,18 @@ G_M57321_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        inc      ebx
        mov      dword ptr [ebp-0x10], ebx
        mov      ecx, dword ptr [esi+0x04]
-       mov      dword ptr [ebp-0x24], ecx
+       mov      dword ptr [ebp-0x20], ecx
        mov      eax, ecx
        cdq      
        idiv     edx:eax, ebx
        cmp      eax, 5
-       jg       G_M57321_IG20
+       jg       G_M57321_IG16
                        ;; size=29 bbWeight=1 PerfScore 32.50
 G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        lea      eax, [ebx+4*ebx]
        mov      dword ptr [ebp-0x14], eax
        cmp      eax, 0xD1FFAB1E
-       jg       G_M57321_IG20
+       jg       G_M57321_IG16
        mov      ecx, 0xD1FFAB1E
        mov      edx, 54
        call     CORINFO_HELP_CLASSINIT_SHARED_DYNAMICCLASS
@@ -81,20 +81,20 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x2C], eax
+       mov      gword ptr [ebp-0x28], eax
        ; GC ptr vars +{V06}
        test     eax, eax
        jne      SHORT G_M57321_IG04
        mov      edx, dword ptr [ebp-0x14]
        test     edx, edx
-       jne      G_M57321_IG26
+       jne      G_M57321_IG21
        xor      ecx, ecx
        ; byrRegs +[ecx]
-       mov      bword ptr [ebp-0x30], ecx
+       mov      bword ptr [ebp-0x2C], ecx
        ; GC ptr vars +{V24}
        xor      ecx, ecx
        ; byrRegs -[ecx]
-       mov      dword ptr [ebp-0x20], ecx
+       mov      dword ptr [ebp-0x1C], ecx
        jmp      SHORT G_M57321_IG05
                        ;; size=79 bbWeight=0.50 PerfScore 11.12
 G_M57321_IG04:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, gcvars, byref
@@ -102,31 +102,31 @@ G_M57321_IG04:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000041
        mov      ecx, dword ptr [eax+0x04]
        mov      edx, dword ptr [ebp-0x14]
        cmp      dword ptr [eax+0x04], edx
-       jb       G_M57321_IG26
+       jb       G_M57321_IG21
        lea      ecx, bword ptr [eax+0x08]
        ; byrRegs +[ecx]
-       mov      bword ptr [ebp-0x30], ecx
+       mov      bword ptr [ebp-0x2C], ecx
        ; GC ptr vars +{V24}
-       mov      dword ptr [ebp-0x20], edx
+       mov      dword ptr [ebp-0x1C], edx
                      ;; size=24 bbWeight=0.50 PerfScore 4.75
-G_M57321_IG05:        ; bbWeight=0.50, gcVars=00020008 {V06 V24}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
+G_M57321_IG05:        ; bbWeight=0.50, gcVars=00020008 {V06 V24}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax]
        ; byrRegs -[ecx]
        push     -1
-       mov      ecx, bword ptr [ebp-0x30]
+       mov      ecx, bword ptr [ebp-0x2C]
        ; byrRegs +[ecx]
-       mov      edx, dword ptr [ebp-0x20]
+       mov      edx, dword ptr [ebp-0x1C]
        ; GC ptr vars -{V24}
        call     [<unknown method>]
        ; byrRegs -[ecx]
        xor      ecx, ecx
        mov      dword ptr [ebp-0x18], ecx
        xor      edx, edx
-       cmp      dword ptr [ebp-0x24], 0
-       jle      G_M57321_IG18
-                       ;; size=31 bbWeight=0.50 PerfScore 5.25
+       cmp      dword ptr [ebp-0x20], 0
+       jle      SHORT G_M57321_IG14
+                       ;; size=27 bbWeight=0.50 PerfScore 5.25
 G_M57321_IG06:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      gword ptr [ebp-0x28], esi
+       mov      gword ptr [ebp-0x24], esi
        ; GC ptr vars +{V00}
        mov      ebx, gword ptr [esi+4*edx+0x08]
        ; gcrRegs +[ebx]
@@ -135,21 +135,20 @@ G_M57321_IG06:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        mov      dword ptr [ebp+0x0C], edi
        sub      ebx, edi
        lea      ebx, [ebx+4*ebx]
-       mov      dword ptr [ebp-0x1C], ebx
        lea      eax, [ebx+0x05]
        mov      edi, ebx
        cmp      ebx, eax
-       jge      SHORT G_M57321_IG17
-                       ;; size=30 bbWeight=4 PerfScore 39.00
+       jge      SHORT G_M57321_IG13
+                       ;; size=27 bbWeight=4 PerfScore 35.00
 G_M57321_IG07:        ; bbWeight=2, gcVars=00000048 {V00 V06}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[esi]
-       mov      ecx, gword ptr [ebp-0x2C]
+       mov      ecx, gword ptr [ebp-0x28]
        ; gcrRegs +[ecx]
        test     ecx, ecx
-       je       SHORT G_M57321_IG12
+       je       SHORT G_M57321_IG10
        mov      esi, ebx
        or       esi, eax
-       jl       SHORT G_M57321_IG11
+       jl       SHORT G_M57321_IG10
        cmp      dword ptr [ecx+0x04], eax
        jl       SHORT G_M57321_IG10
                        ;; size=18 bbWeight=2 PerfScore 15.50
@@ -157,64 +156,51 @@ G_M57321_IG08:        ; bbWeight=15.84, gcrefRegs=00000002 {ecx}, byrefRegs=0000
        lea      esi, bword ptr [ecx+4*edi+0x08]
        ; byrRegs +[esi]
        cmp      dword ptr [esi], 0
-       jl       SHORT G_M57321_IG15
+       jl       SHORT G_M57321_IG11
        inc      edi
        cmp      edi, eax
        jl       SHORT G_M57321_IG08
                        ;; size=14 bbWeight=15.84 PerfScore 102.96
-G_M57321_IG09:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+G_M57321_IG09:        ; bbWeight=4, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
        ; byrRegs -[esi]
-       jmp      SHORT G_M57321_IG17
-                       ;; size=2 bbWeight=2 PerfScore 4.00
-G_M57321_IG10:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
-       jmp      SHORT G_M57321_IG12
-                       ;; size=2 bbWeight=1 PerfScore 2.00
-G_M57321_IG11:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
-                       ;; size=0 bbWeight=1 PerfScore 0.00
-G_M57321_IG12:        ; bbWeight=0.16, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+       jmp      SHORT G_M57321_IG13
+                       ;; size=2 bbWeight=4 PerfScore 8.00
+G_M57321_IG10:        ; bbWeight=0.16, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
        cmp      edi, dword ptr [ecx+0x04]
-       jae      G_M57321_IG25
-       lea      ebx, bword ptr [ecx+4*edi+0x08]
-       ; byrRegs +[ebx]
-       cmp      dword ptr [ebx], 0
-       mov      esi, ebx
+       jae      G_M57321_IG20
+       lea      esi, bword ptr [ecx+4*edi+0x08]
        ; byrRegs +[esi]
-       jl       SHORT G_M57321_IG14
+       cmp      dword ptr [esi], 0
+       jl       SHORT G_M57321_IG11
        inc      edi
        cmp      edi, eax
-       jl       SHORT G_M57321_IG12
-                       ;; size=25 bbWeight=0.16 PerfScore 1.72
-G_M57321_IG13:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
-       ; byrRegs -[ebx esi]
-       jmp      SHORT G_M57321_IG17
-                       ;; size=2 bbWeight=2 PerfScore 4.00
-G_M57321_IG14:        ; bbWeight=0.08, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
-       ; byrRegs +[esi]
-       mov      ebx, dword ptr [ebp-0x1C]
-                       ;; size=3 bbWeight=0.08 PerfScore 0.08
-G_M57321_IG15:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref, isz
+       jl       SHORT G_M57321_IG10
+       jmp      SHORT G_M57321_IG13
+                       ;; size=25 bbWeight=0.16 PerfScore 2.00
+G_M57321_IG11:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref, isz
        cmp      edi, ebx
-       jne      SHORT G_M57321_IG16
+       jne      SHORT G_M57321_IG12
        mov      ebx, dword ptr [ebp-0x18]
        inc      ebx
        mov      dword ptr [ebp-0x18], ebx
                        ;; size=11 bbWeight=2 PerfScore 7.00
-G_M57321_IG16:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
+G_M57321_IG12:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
        mov      dword ptr [esi], edx
                        ;; size=2 bbWeight=2 PerfScore 2.00
-G_M57321_IG17:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+G_M57321_IG13:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs -[ecx]
        ; byrRegs -[esi]
        cmp      edi, eax
-       je       SHORT G_M57321_IG19
+       je       SHORT G_M57321_IG15
        inc      edx
-       mov      edi, dword ptr [ebp-0x24]
-       cmp      edi, edx
-       mov      esi, gword ptr [ebp-0x28]
+       mov      ebx, dword ptr [ebp-0x20]
+       cmp      ebx, edx
+       mov      esi, gword ptr [ebp-0x24]
...

-29 (-3.77%) : 18767.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.Canon,System.Canon]:FindValue(System.__Canon):byref:this (FullOpts) 

@@ -8,16 +8,16 @@
 ; 0 inlinees with PGO data; 19 single block inlinees; 4 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T06] ( 13,  8.50)     ref  ->  [ebp-0x68]  this class-hnd single-def <Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]>
-;  V01 arg1         [V01,T07] (  8,  8.50)     ref  ->  [ebp-0x6C]  ld-addr-op class-hnd single-def <System.__Canon>
-;  V02 loc0         [V02,T00] ( 10, 29   )   byref  ->  [ebp-0x70] 
+;  V00 this         [V00,T06] ( 13,  8.50)     ref  ->  ebx         this class-hnd single-def <Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]>
+;  V01 arg1         [V01,T07] (  8,  8.50)     ref  ->  [ebp-0x68]  ld-addr-op class-hnd single-def <System.__Canon>
+;  V02 loc0         [V02,T00] ( 10, 29   )   byref  ->  [ebp-0x6C] 
 ;  V03 loc1         [V03,T36] (  3,  2   )   byref  ->  eax        
-;  V04 loc2         [V04,T18] (  4,  3.50)     ref  ->  [ebp-0x74]  class-hnd spill-single-def <<unknown class>>
+;  V04 loc2         [V04,T18] (  4,  3.50)     ref  ->  [ebp-0x70]  class-hnd spill-single-def <<unknown class>>
 ;  V05 loc3         [V05,T14] (  3,  5   )     int  ->  [ebp-0x10]  spill-single-def
 ;  V06 loc4         [V06,T01] (  6, 13.50)     int  ->  [ebp-0x14] 
 ;  V07 loc5         [V07    ] (  4, 12.50)  struct ( 8) [ebp-0x1C]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.Collections.SegmentedArray`1[Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2+Entry[System.__Canon,System.__Canon]]>
 ;  V08 loc6         [V08,T03] (  4, 12.50)     int  ->  esi        
-;  V09 loc7         [V09,T16] (  3,  4.50)     ref  ->  [ebp-0x78]  class-hnd spill-single-def <System.Collections.Generic.EqualityComparer`1[System.__Canon]>
+;  V09 loc7         [V09,T16] (  3,  4.50)     ref  ->  [ebp-0x74]  class-hnd spill-single-def <System.Collections.Generic.EqualityComparer`1[System.__Canon]>
 ;  V10 loc8         [V10,T15] (  3,  5   )     int  ->  [ebp-0x20]  spill-single-def
 ;  V11 loc9         [V11,T02] (  6, 13.50)     int  ->  [ebp-0x24] 
 ;  V12 loc10        [V12    ] (  4, 12.50)  struct ( 8) [ebp-0x2C]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.Collections.SegmentedArray`1[Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2+Entry[System.__Canon,System.__Canon]]>
@@ -60,9 +60,9 @@
 ;  V49 tmp35        [V49    ] (  4, 12.50)     int  ->  [ebp-0x18]  do-not-enreg[X] addr-exposed "field V07._length (fldOffset=0x4)" P-DEP
 ;  V50 tmp36        [V50    ] (  2,  4.50)     ref  ->  [ebp-0x2C]  do-not-enreg[X] addr-exposed "field V12._items (fldOffset=0x0)" P-DEP
 ;  V51 tmp37        [V51    ] (  4, 12.50)     int  ->  [ebp-0x28]  do-not-enreg[X] addr-exposed "field V12._length (fldOffset=0x4)" P-DEP
-;  V52 tmp38        [V52,T46] (  2,  1   )     ref  ->  [ebp-0x7C]  spill-single-def "field V28._items (fldOffset=0x0)" P-INDEP
+;  V52 tmp38        [V52,T46] (  2,  1   )     ref  ->  [ebp-0x78]  spill-single-def "field V28._items (fldOffset=0x0)" P-INDEP
 ;  V53 tmp39        [V53,T48] (  2,  1   )     int  ->  [ebp-0x38]  spill-single-def "field V28._length (fldOffset=0x4)" P-INDEP
-;  V54 tmp40        [V54,T47] (  2,  1   )     ref  ->  [ebp-0x80]  spill-single-def "field V38._items (fldOffset=0x0)" P-INDEP
+;  V54 tmp40        [V54,T47] (  2,  1   )     ref  ->  [ebp-0x7C]  spill-single-def "field V38._items (fldOffset=0x0)" P-INDEP
 ;  V55 tmp41        [V55,T49] (  2,  1   )     int  ->  [ebp-0x3C]  spill-single-def "field V38._length (fldOffset=0x4)" P-INDEP
 ;  V56 tmp42        [V56,T27] (  3,  3   )     int  ->  eax         "index expr"
 ;  V57 tmp43        [V57,T28] (  3,  3   )     int  ->  edx         "index expr"
@@ -71,20 +71,20 @@
 ;  V60 tmp46        [V60,T30] (  3,  3   )     int  ->  edx         "index expr"
 ;  V61 tmp47        [V61,T11] (  2,  8   )     ref  ->  edx         "argument with side effect"
 ;  V62 cse0         [V62,T08] (  4,  9   )     int  ->  [ebp-0x40]  hoist multi-def "CSE - aggressive"
-;  V63 cse1         [V63,T12] ( 11,  5.80)     int  ->  [ebp-0x44]  spill-single-def "CSE - moderate"
-;* V64 rat0         [V64,T17] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V63 cse1         [V63,T12] ( 13,  7.30)     int  ->  [ebp-0x44]  spill-single-def "CSE - moderate"
+;  V64 rat0         [V64,T17] (  2,  4   )     int  ->  ecx         "Spilling to split statement for tree"
 ;* V65 rat1         [V65,T41] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V66 rat2         [V66,T13] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V66 rat2         [V66,T13] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;  V67 rat3         [V67,T38] (  3,  2   )     int  ->  ecx         "runtime lookup"
 ;  V68 rat4         [V68,T31] (  3,  2.80)     int  ->  ecx         "fgMakeTemp is creating a new local variable"
-;  V69 rat5         [V69,T39] (  3,  2   )     int  ->  edi         "runtime lookup"
+;  V69 rat5         [V69,T39] (  3,  2   )     int  ->  registers   "runtime lookup"
 ;  V70 rat6         [V70,T32] (  3,  2.80)     int  ->  edx         "fgMakeTemp is creating a new local variable"
 ;  V71 rat7         [V71,T33] (  3,  2.80)     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;  V72 rat8         [V72,T40] (  3,  2   )     int  ->  eax         "runtime lookup"
 ;  V73 rat9         [V73,T34] (  3,  2.80)     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;  V74 rat10        [V74,T05] (  3, 11.20)     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;* V75 rat11        [V75,T50] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V76 rat12        [V76,T35] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V76 rat12        [V76,T35] (  2,  2   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;  V77 rat13        [V77,T23] (  3,  3   )   byref  ->  ecx         "ReplaceWithLclVar is creating a new local variable"
 ;  V78 rat14        [V78    ] (  1,  1   )    long  ->  [ebp-0x4C]  multireg-ret "ReplaceWithLclVar is creating a new local variable"
 ;  V79 rat15        [V79,T51] (  1,  1   )     int  ->  eax         "field V78.lo (fldOffset=0x0)" P-INDEP
@@ -99,10 +99,8 @@
 ;  V88 rat24        [V88    ] (  1,  1   )    long  ->  [ebp-0x64]  multireg-ret "ReplaceWithLclVar is creating a new local variable"
 ;  V89 rat25        [V89,T54] (  1,  1   )     int  ->  eax         "field V88.lo (fldOffset=0x0)" P-INDEP
 ;  V90 rat26        [V90,T45] (  2,  1.50)     int  ->  edx         "field V88.hi (fldOffset=0x4)" P-INDEP
-;  TEMP_02                                     ref  ->  [ebp-0x84]
-;  TEMP_01                                     int  ->  [ebp-0x88]
 ;
-; Lcl frame size = 124
+; Lcl frame size = 112
 
 G_M65447_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -110,59 +108,55 @@ G_M65447_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 124
-       vxorps   xmm4, xmm4, xmm4
-       vmovdqu  ymmword ptr [ebp-0x84], ymm4
-       vmovdqu  ymmword ptr [ebp-0x64], ymm4
-       vmovdqu  ymmword ptr [ebp-0x44], ymm4
-       vmovdqu  xmmword ptr [ebp-0x24], xmm4
-       mov      gword ptr [ebp-0x68], ecx
-       ; GC ptr vars +{V00}
+       sub      esp, 112
+       xor      eax, eax
+       mov      dword ptr [ebp-0x1C], eax
+       mov      dword ptr [ebp-0x18], eax
+       mov      dword ptr [ebp-0x2C], eax
+       mov      dword ptr [ebp-0x28], eax
+       mov      ebx, ecx
+       ; gcrRegs +[ebx]
        mov      esi, edx
        ; gcrRegs +[esi]
-                      ;; size=41 bbWeight=1 PerfScore 14.08
-G_M65447_IG02:        ; bbWeight=1, gcVars=0000000000000040 {V00}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
+                        ;; size=27 bbWeight=1 PerfScore 9.25
+G_M65447_IG02:        ; bbWeight=1, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref
        test     esi, esi
-       je       G_M65447_IG30
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
+       je       G_M65447_IG31
        mov      eax, dword ptr [ebx]
-       mov      dword ptr [ebp-0x44], eax
-       mov      ebx, gword ptr [ebp-0x68]
+       mov      edi, eax
+       mov      dword ptr [ebp-0x44], edi
+       mov      ecx, edi
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x0C]
+       test     ecx, ecx
        cmp      dword ptr [ebx+0x2C], 0
-       jle      G_M65447_IG28
-                       ;; size=29 bbWeight=1 PerfScore 10.25
-G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs -[ebx]
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
+       jle      G_M65447_IG05
+                       ;; size=37 bbWeight=1 PerfScore 15.00
+G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
        mov      eax, gword ptr [ebx+0x0C]
        ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x74], eax
+       mov      gword ptr [ebp-0x70], eax
        ; GC ptr vars +{V04}
        test     eax, eax
-       jne      G_M65447_IG13
+       jne      G_M65447_IG14
        mov      ecx, esi
        ; gcrRegs +[ecx]
-       mov      gword ptr [ebp-0x6C], esi
+       mov      gword ptr [ebp-0x68], esi
        ; GC ptr vars +{V01}
        mov      eax, dword ptr [esi]
        ; gcrRegs -[eax]
        mov      eax, dword ptr [eax+0x2C]
        ; GC ptr vars -{V04}
        call     [eax+0x0C]<unknown method>
-       ; gcrRegs -[ecx ebx esi]
+       ; gcrRegs -[ecx esi]
        mov      dword ptr [ebp-0x10], eax
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
        mov      edx, gword ptr [ebx+0x28]
        ; gcrRegs +[edx]
-       mov      gword ptr [ebp-0x7C], edx
+       mov      gword ptr [ebp-0x78], edx
        ; GC ptr vars +{V52}
-       mov      ebx, gword ptr [ebp-0x68]
        mov      ecx, dword ptr [ebx+0x2C]
        mov      dword ptr [ebp-0x38], ecx
-       mov      ebx, gword ptr [ebp-0x68]
        lea      ecx, bword ptr [ebx+0x04]
        ; byrRegs +[ecx]
        mov      edx, dword ptr [ecx]
@@ -172,7 +166,6 @@ G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        push     0
        push     eax
        call     CORINFO_HELP_LMUL
-       ; gcrRegs -[ebx]
        ; byrRegs -[ecx]
        xor      eax, eax
        add      edx, 1
@@ -182,20 +175,18 @@ G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        push     0
        push     dword ptr [ebp-0x38]
        call     CORINFO_HELP_LMUL
-       mov      ecx, gword ptr [ebp-0x7C]
+       mov      ecx, gword ptr [ebp-0x78]
        ; gcrRegs +[ecx]
        mov      eax, edx
        sar      eax, 14
        cmp      eax, dword ptr [ecx+0x04]
-       jae      G_M65447_IG29
+       jae      G_M65447_IG30
        mov      ecx, gword ptr [ecx+4*eax+0x08]
        and      edx, 0x3FFF
        cmp      edx, dword ptr [ecx+0x04]
-       jae      G_M65447_IG29
+       jae      G_M65447_IG30
        mov      eax, dword ptr [ecx+4*edx+0x08]
        mov      dword ptr [ebp-0x14], eax
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
        lea      esi, bword ptr [ebx+0x30]
        ; byrRegs +[esi]
        lea      edi, bword ptr [ebp-0x1C]
@@ -211,23 +202,28 @@ G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        mov      ecx, dword ptr [ecx]
        mov      ecx, dword ptr [ecx+0x20]
        test     ecx, ecx
-       je       SHORT G_M65447_IG05
-                       ;; size=162 bbWeight=0.50 PerfScore 32.75
-G_M65447_IG04:        ; bbWeight=0.40, gcVars=00000000000000C0 {V00 V01}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[ebx]
+       je       SHORT G_M65447_IG06
+                       ;; size=147 bbWeight=0.50 PerfScore 30.25
+G_M65447_IG04:        ; bbWeight=0.40, gcVars=0000000000000080 {V01}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; GC ptr vars -{V52}
-       jmp      SHORT G_M65447_IG06
+       jmp      SHORT G_M65447_IG07
                      ;; size=2 bbWeight=0.40 PerfScore 0.80
-G_M65447_IG05:        ; bbWeight=0.10, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M65447_IG05:        ; bbWeight=0.50, gcVars=0000000000000000 {}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref
+       ; GC ptr vars -{V01}
+       mov      edi, dword ptr [ebp-0x44]
+       jmp      G_M65447_IG29
+                       ;; size=8 bbWeight=0.50 PerfScore 1.50
+G_M65447_IG06:        ; bbWeight=0.10, gcVars=0000000000000080 {V01}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref
+       ; GC ptr vars +{V01}
        mov      ecx, edi
        mov      edx, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      ecx, eax
                        ;; size=14 bbWeight=0.10 PerfScore 0.18
-G_M65447_IG06:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+G_M65447_IG07:        ; bbWeight=0.50, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, byref, isz
        call     [System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]]
        ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x78], eax
+       mov      gword ptr [ebp-0x74], eax
        ; GC ptr vars +{V09}
        mov      ecx, dword ptr [ebp-0x14]
        dec      ecx
@@ -236,98 +232,95 @@ G_M65447_IG06:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000
        mov      edx, dword ptr [edx]
        mov      edx, dword ptr [edx+0x18]
        test     edx, edx
-       je       SHORT G_M65447_IG08
+       je       SHORT G_M65447_IG09
                      ;; size=28 bbWeight=0.50 PerfScore 6.75
-G_M65447_IG07:        ; bbWeight=0.40, gcVars=00000000000100C0 {V00 V01 V09}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M65447_IG08:        ; bbWeight=0.40, gcVars=0000000000010080 {V01 V09}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax]
-       mov      edi, edx
-       jmp      SHORT G_M65447_IG09
-                       ;; size=4 bbWeight=0.40 PerfScore 0.90
-G_M65447_IG08:        ; bbWeight=0.10, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+       jmp      SHORT G_M65447_IG10
+                       ;; size=2 bbWeight=0.40 PerfScore 0.80
+G_M65447_IG09:        ; bbWeight=0.10, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, byref
        mov      ecx, edi
        mov      edx, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
-       mov      edi, eax
-                       ;; size=14 bbWeight=0.10 PerfScore 0.18
-G_M65447_IG09:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
...

-21 (-3.08%) : 43.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (FullOpts) 

@@ -210,21 +210,21 @@ G_M64904_IG17:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        vpor     xmm2, xmm2, xmm4
        vpmovmskb ecx, xmm2
        popcnt   ecx, ecx
-       vmovups  xmm2, xmmword ptr [ebp-0x44]
-       vpaddw   xmm4, xmm0, xmm2
+       vpaddw   xmm4, xmm0, xmmword ptr [ebp-0x44]
        vpcmpgtw xmm4, xmm3, xmm4
        vpmovmskb eax, xmm4
        cmp      eax, 0xFFFF
        jne      SHORT G_M64904_IG20
-                      ;; size=55 bbWeight=4 PerfScore 83.00
+                     ;; size=51 bbWeight=4 PerfScore 77.67
 G_M64904_IG18:        ; bbWeight=16, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        add      ebx, ecx
        mov      eax, dword ptr [ebp-0x74]
        adc      eax, 0
        cmp      esi, edi
        mov      dword ptr [ebp-0x74], eax
+       mov      edi, dword ptr [ebp-0x48]
        jbe      SHORT G_M64904_IG15
-                      ;; size=15 bbWeight=16 PerfScore 64.00
+                        ;; size=18 bbWeight=16 PerfScore 80.00
 G_M64904_IG19:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        mov      ecx, dword ptr [ebp-0x14]
        jmp      G_M64904_IG28
@@ -250,9 +250,7 @@ G_M64904_IG21:        ; bbWeight=8, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        call     [<unknown method>]
        ; gcrRegs -[ecx edx]
        mov      ecx, dword ptr [ebp-0x6C]
-       vmovups  xmm2, xmmword ptr [ebp-0x44]
-       vmovups  xmm3, xmmword ptr [ebp-0x34]
-                       ;; size=32 bbWeight=8 PerfScore 92.00
+                     ;; size=22 bbWeight=8 PerfScore 44.00
 G_M64904_IG22:        ; bbWeight=32, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ebp-0x70]
        mov      edx, eax
@@ -269,9 +267,7 @@ G_M64904_IG23:        ; bbWeight=8, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        call     [<unknown method>]
        ; gcrRegs -[ecx edx]
        mov      ecx, dword ptr [ebp-0x6C]
-       vmovups  xmm2, xmmword ptr [ebp-0x44]
-       vmovups  xmm3, xmmword ptr [ebp-0x34]
-                       ;; size=32 bbWeight=8 PerfScore 92.00
+                     ;; size=22 bbWeight=8 PerfScore 44.00
 G_M64904_IG24:        ; bbWeight=32, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ebp-0x70]
        shl      eax, 2
@@ -292,9 +288,9 @@ G_M64904_IG26:        ; bbWeight=32, gcrefRegs=00000000 {}, byrefRegs=00000000 {
        sub      edi, eax
        add      eax, eax
        sub      ebx, eax
-       mov      eax, dword ptr [ebp-0x74]
-       sbb      eax, 0
-       mov      dword ptr [ebp-0x74], eax
+       mov      edx, dword ptr [ebp-0x74]
+       sbb      edx, 0
+       mov      dword ptr [ebp-0x74], edx
        mov      dword ptr [ebp-0x10], edi
        mov      edi, dword ptr [ebp-0x48]
        jmp      G_M64904_IG18
@@ -385,6 +381,6 @@ RWD16   dq  7800780078007800h, 7800780078007800h
 RWD32      dq  A000A000A000A000h, A000A000A000A000h
 
 
-; Total bytes of code 682, prolog size 16, PerfScore 1263.75, instruction count 214, allocated bytes for code 682 (MethodHash=96570277) for method System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (FullOpts)
+; Total bytes of code 661, prolog size 16, PerfScore 1178.42, instruction count 210, allocated bytes for code 661 (MethodHash=96570277) for method System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (FullOpts)
 ; ============================================================

+10 (+66.67%) : 17958.dasm - System.Collections.Immutable.ImmutableArray1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray1[System.__Canon]:this (FullOpts) 

@@ -13,9 +13,9 @@
 ;* V02 tmp1         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V03 tmp2         [V03    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon[]>
 ;  V04 tmp3         [V04,T03] (  2,  2   )     ref  ->  eax         single-def "field V01.array (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T02] (  2,  4   )     int  ->  ecx         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T04] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T01] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -25,18 +25,22 @@ G_M61652_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=3 bbWeight=1 PerfScore 1.25
 G_M61652_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[esi]
-       cmp      dword ptr [esi], esi
+       mov      ecx, dword ptr [esi]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x18]
+       test     ecx, ecx
        mov      ecx, esi
        ; gcrRegs +[ecx]
        call     [System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToArray():System.__Canon[]:this]
        ; gcrRegs -[ecx] +[eax]
        ; gcr arg pop 0
-                       ;; size=10 bbWeight=1 PerfScore 6.25
+                      ;; size=20 bbWeight=1 PerfScore 11.50
 G_M61652_IG03:        ; bbWeight=1, epilog, nogc, extend
        pop      esi
        ret      
                        ;; size=2 bbWeight=1 PerfScore 1.50
 
-; Total bytes of code 15, prolog size 1, PerfScore 9.00, instruction count 7, allocated bytes for code 15 (MethodHash=235c0f2b) for method System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
+; Total bytes of code 25, prolog size 1, PerfScore 14.25, instruction count 11, allocated bytes for code 25 (MethodHash=235c0f2b) for method System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
 ; ============================================================

+24 (+104.35%) : 4434.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Canon,System.Canon]]):this (FullOpts) 

@@ -15,13 +15,13 @@
 ;* V04 tmp1         [V04    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V05 tmp2         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]>
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V07 tmp4         [V07,T05] (  3,  2.50)     ref  ->  ecx         single-def "V02.[000..004)"
-;* V08 cse0         [V08,T04] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V09 rat0         [V09,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 tmp4         [V07,T05] (  3,  2.50)     ref  ->  eax         single-def "V02.[000..004)"
+;  V08 cse0         [V08,T04] (  3,  3   )     int  ->  ecx         "CSE - aggressive"
+;  V09 rat0         [V09,T03] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V10 rat1         [V10,T06] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V11 rat2         [V11,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V11 rat2         [V11,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;* V12 rat3         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat4         [V13,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat4         [V13,T01] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -31,22 +31,33 @@ G_M20412_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=3 bbWeight=1 PerfScore 1.25
 G_M20412_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[esi]
-       cmp      dword ptr [esi], esi
-       mov      ecx, gword ptr [esp+0x0C]
-       ; gcrRegs +[ecx]
+       mov      ecx, dword ptr [esi]
+       mov      eax, ecx
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x0C]
+       test     eax, eax
+       mov      eax, gword ptr [esp+0x0C]
+       ; gcrRegs +[eax]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x10]
        test     ecx, ecx
+       test     eax, eax
        je       SHORT G_M20412_IG04
-                       ;; size=10 bbWeight=1 PerfScore 5.25
-G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=00000042 {ecx esi}, byrefRegs=00000000 {}, byref
+                        ;; size=32 bbWeight=1 PerfScore 17.00
+G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, byref
+       mov      ecx, eax
+       ; gcrRegs +[ecx]
        call     [System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:Freeze():this]
-       ; gcrRegs -[ecx]
+       ; gcrRegs -[eax ecx]
        ; gcr arg pop 0
-                       ;; size=6 bbWeight=0.50 PerfScore 1.50
+                        ;; size=8 bbWeight=0.50 PerfScore 1.62
 G_M20412_IG04:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, epilog, nogc
        pop      esi
        ret      16
                        ;; size=4 bbWeight=1 PerfScore 2.50
 
-; Total bytes of code 23, prolog size 1, PerfScore 10.50, instruction count 9, allocated bytes for code 23 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (FullOpts)
+; Total bytes of code 47, prolog size 1, PerfScore 22.38, instruction count 19, allocated bytes for code 47 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (FullOpts)
 ; ============================================================

+24 (+104.35%) : 5450.dasm - System.Collections.Immutable.ImmutableHashSet1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts) 

@@ -16,13 +16,13 @@
 ;* V05 tmp2         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]>
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    "field V02._firstValue (fldOffset=0x0)" P-INDEP
-;  V08 tmp5         [V08,T05] (  3,  2.50)     ref  ->  ecx         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
-;* V09 cse0         [V09,T04] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V10 rat0         [V10,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V08 tmp5         [V08,T05] (  3,  2.50)     ref  ->  eax         single-def "field V02._additionalElements (fldOffset=0x4)" P-INDEP
+;  V09 cse0         [V09,T04] (  3,  3   )     int  ->  ecx         "CSE - aggressive"
+;  V10 rat0         [V10,T03] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V11 rat1         [V11,T06] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V12 rat2         [V12,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V12 rat2         [V12,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;* V13 rat3         [V13,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V14 rat4         [V14,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V14 rat4         [V14,T01] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -32,22 +32,33 @@ G_M10050_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=3 bbWeight=1 PerfScore 1.25
 G_M10050_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[esi]
-       cmp      dword ptr [esi], esi
-       mov      ecx, gword ptr [esp+0x10]
-       ; gcrRegs +[ecx]
+       mov      ecx, dword ptr [esi]
+       mov      eax, ecx
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x08]
+       test     eax, eax
+       mov      eax, gword ptr [esp+0x10]
+       ; gcrRegs +[eax]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x0C]
        test     ecx, ecx
+       test     eax, eax
        je       SHORT G_M10050_IG04
-                       ;; size=10 bbWeight=1 PerfScore 5.25
-G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=00000042 {ecx esi}, byrefRegs=00000000 {}, byref
+                        ;; size=32 bbWeight=1 PerfScore 17.00
+G_M10050_IG03:        ; bbWeight=0.50, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, byref
+       mov      ecx, eax
+       ; gcrRegs +[ecx]
        call     [System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:Freeze():this]
-       ; gcrRegs -[ecx]
+       ; gcrRegs -[eax ecx]
        ; gcr arg pop 0
-                     ;; size=6 bbWeight=0.50 PerfScore 1.50
+                        ;; size=8 bbWeight=0.50 PerfScore 1.62
 G_M10050_IG04:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, epilog, nogc
        pop      esi
        ret      12
                        ;; size=4 bbWeight=1 PerfScore 2.50
 
-; Total bytes of code 23, prolog size 1, PerfScore 10.50, instruction count 9, allocated bytes for code 23 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
+; Total bytes of code 47, prolog size 1, PerfScore 22.38, instruction count 19, allocated bytes for code 47 (MethodHash=2c0dd8bd) for method System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
 ; ============================================================

benchmarks.run_pgo.windows.x86.checked.mch

-15 (-8.52%) : 8631.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1) 

@@ -13,7 +13,7 @@
 ;  V01 arg1         [V01,T02] (  7,  4.89)     ref  ->  edx         class-hnd <System.Object>
 ;  V02 loc0         [V02,T07] (  4,  3.56)     int  ->  [ebp-0x14]  spill-single-def
 ;* V03 loc1         [V03    ] (  0,  0   )     int  ->  zero-ref   
-;  V04 tmp0         [V04,T10] (  4,  0.89)     int  ->  ecx         "Inline return value spill temp"
+;  V04 tmp0         [V04,T10] (  4,  0.89)     int  ->  eax         "Inline return value spill temp"
 ;* V05 tmp1         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <int[]>
 ;  V06 tmp2         [V06,T06] (  4,  4   )   byref  ->  [ebp-0x18]  spill-single-def "Inline stloc first use temp"
 ;  V07 tmp3         [V07,T05] (  4,  5.56)     int  ->  ebx         "Inline stloc first use temp"
@@ -21,7 +21,7 @@
 ;  V09 tmp5         [V09,T03] (  5,  6.44)   byref  ->  esi         "Inline stloc first use temp"
 ;  V10 tmp6         [V10,T01] (  5,  7.33)     int  ->  edi         "Inline stloc first use temp"
 ;  V11 tmp7         [V11,T08] (  2,  3.56)     int  ->  eax         "Inline stloc first use temp"
-;  V12 tmp8         [V12,T09] (  3,  2   )     int  ->  registers   "Inline stloc first use temp"
+;  V12 tmp8         [V12,T09] (  3,  2   )     int  ->  eax         "Inline stloc first use temp"
 ;* V13 tmp9         [V13    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V14 tmp10        [V14    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;  V15 tmp11        [V15,T11] (  2,  0.44)     ref  ->  edi         single-def "Field obj"
@@ -94,12 +94,12 @@ G_M9847_IG08:        ; bbWeight=0.89, gcrefRegs=00000004 {edx}, byrefRegs=000000
        mov      eax, dword ptr [ebp-0x10]
        xor      eax, dword ptr [esi+0x08]
        cmp      eax, 1
-       jbe      SHORT G_M9847_IG12
+       jbe      SHORT G_M9847_IG11
                      ;; size=11 bbWeight=0.89 PerfScore 4.67
 G_M9847_IG09:        ; bbWeight=1.78, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
        ; byrRegs -[esi]
        test     edi, edi
-       je       SHORT G_M9847_IG11
+       je       SHORT G_M9847_IG12
        inc      ecx
        add      ebx, ecx
        mov      edi, bword ptr [ebp-0x18]
@@ -111,43 +111,36 @@ G_M9847_IG09:        ; bbWeight=1.78, gcrefRegs=00000004 {edx}, byrefRegs=000000
 G_M9847_IG10:        ; bbWeight=0.22, gcVars=00000000 {}, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; byrRegs -[edi]
        ; GC ptr vars -{V06}
-       mov      eax, dword ptr [ebp-0x10]
-       jmp      SHORT G_M9847_IG13
-                       ;; size=5 bbWeight=0.22 PerfScore 0.67
-G_M9847_IG11:        ; bbWeight=0.89, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
-       mov      eax, dword ptr [ebp-0x10]
-       jmp      SHORT G_M9847_IG13
-                       ;; size=5 bbWeight=0.89 PerfScore 2.67
-G_M9847_IG12:        ; bbWeight=0.22, gcrefRegs=00000004 {edx}, byrefRegs=00000040 {esi}, byref, isz
+       jmp      SHORT G_M9847_IG12
+                       ;; size=2 bbWeight=0.22 PerfScore 0.44
+G_M9847_IG11:        ; bbWeight=0.22, gcrefRegs=00000004 {edx}, byrefRegs=00000040 {esi}, byref, isz
        ; byrRegs +[esi]
-       mov      ecx, eax
-       mov      eax, dword ptr [ebp-0x10]
        cmp      edi, dword ptr [esi]
-       jne      SHORT G_M9847_IG13
-       jmp      SHORT G_M9847_IG14
-                       ;; size=11 bbWeight=0.22 PerfScore 1.61
-G_M9847_IG13:        ; bbWeight=0.22, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+       jne      SHORT G_M9847_IG12
+       jmp      SHORT G_M9847_IG13
+                       ;; size=6 bbWeight=0.22 PerfScore 1.33
+G_M9847_IG12:        ; bbWeight=0.22, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
        ; byrRegs -[esi]
-       mov      ecx, 2
+       mov      eax, 2
                         ;; size=5 bbWeight=0.22 PerfScore 0.06
-G_M9847_IG14:        ; bbWeight=0.22, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
-       cmp      ecx, 1
+G_M9847_IG13:        ; bbWeight=0.22, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
+       cmp      eax, 1
        je       SHORT G_M9847_IG04
-       test     ecx, ecx
-       jne      SHORT G_M9847_IG16
+       test     eax, eax
+       jne      SHORT G_M9847_IG15
                      ;; size=9 bbWeight=0.22 PerfScore 0.56
-G_M9847_IG15:        ; bbWeight=0.11, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M9847_IG14:        ; bbWeight=0.11, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs -[edx]
        xor      edx, edx
        ; gcrRegs +[edx]
-       jmp      G_M9847_IG04
-                       ;; size=7 bbWeight=0.11 PerfScore 0.25
-G_M9847_IG16:        ; bbWeight=0.11, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
-       mov      ecx, eax
+       jmp      SHORT G_M9847_IG04
+                       ;; size=4 bbWeight=0.11 PerfScore 0.25
+G_M9847_IG15:        ; bbWeight=0.11, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+       mov      ecx, dword ptr [ebp-0x10]
        call     <unknown method>
        ; gcrRegs -[edx] +[eax]
-                       ;; size=7 bbWeight=0.11 PerfScore 0.14
-G_M9847_IG17:        ; bbWeight=0.11, epilog, nogc, extend
+                       ;; size=8 bbWeight=0.11 PerfScore 0.22
+G_M9847_IG16:        ; bbWeight=0.11, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -156,6 +149,6 @@ G_M9847_IG17:        ; bbWeight=0.11, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=0.11 PerfScore 0.39
 
-; Total bytes of code 176, prolog size 11, PerfScore 54.19, instruction count 75, allocated bytes for code 176 (MethodHash=fd20d988) for method System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
+; Total bytes of code 161, prolog size 11, PerfScore 51.11, instruction count 70, allocated bytes for code 161 (MethodHash=fd20d988) for method System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
 ; ============================================================

-12 (-6.45%) : 61677.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1) 

@@ -12,9 +12,9 @@
 ;  V00 arg0         [V00,T03] (  6,  3.14)     int  ->  [ebp-0x10]  single-def
 ;  V01 arg1         [V01,T00] (  6,  4.30)     ref  ->  edx         class-hnd single-def <System.Object>
 ;* V02 loc0         [V02    ] (  0,  0   )     int  ->  zero-ref   
-;  V03 loc1         [V03,T12] (  2,  0.05)     ref  ->  esi         class-hnd single-def <System.Object>
+;  V03 loc1         [V03,T12] (  2,  0.05)     ref  ->  edi         class-hnd single-def <System.Object>
 ;  V04 loc2         [V04,T08] (  4,  2.07)     int  ->  [ebp-0x14]  spill-single-def
-;  V05 tmp0         [V05,T10] (  4,  0.51)     int  ->  ebx         "Inline return value spill temp"
+;  V05 tmp0         [V05,T10] (  4,  0.51)     int  ->  esi         "Inline return value spill temp"
 ;* V06 tmp1         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <int[]>
 ;  V07 tmp2         [V07,T06] (  4,  2.93)   byref  ->  [ebp-0x18]  spill-single-def "Inline stloc first use temp"
 ;  V08 tmp3         [V08,T05] (  4,  4.07)     int  ->  ebx         "Inline stloc first use temp"
@@ -22,7 +22,7 @@
 ;  V10 tmp5         [V10,T04] (  5,  4.72)   byref  ->  esi         "Inline stloc first use temp"
 ;  V11 tmp6         [V11,T02] (  5,  5.37)     int  ->  edi         "Inline stloc first use temp"
 ;  V12 tmp7         [V12,T07] (  2,  2.60)     int  ->  eax         "Inline stloc first use temp"
-;  V13 tmp8         [V13,T09] (  3,  1.47)     int  ->  registers   "Inline stloc first use temp"
+;  V13 tmp8         [V13,T09] (  3,  1.47)     int  ->  eax         "Inline stloc first use temp"
 ;* V14 tmp9         [V14    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V15 tmp10        [V15    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;  V16 tmp11        [V16,T11] (  2,  0.33)     ref  ->  edi         single-def "Field obj"
@@ -95,12 +95,12 @@ G_M33320_IG08:        ; bbWeight=0.65, gcrefRegs=00000004 {edx}, byrefRegs=00000
        mov      eax, dword ptr [ebp-0x10]
        xor      eax, dword ptr [esi+0x08]
        cmp      eax, 1
-       jbe      SHORT G_M33320_IG12
+       jbe      SHORT G_M33320_IG11
                        ;; size=11 bbWeight=0.65 PerfScore 3.42
 G_M33320_IG09:        ; bbWeight=1.30, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
        ; byrRegs -[esi]
        test     edi, edi
-       je       SHORT G_M33320_IG11
+       je       SHORT G_M33320_IG12
        inc      ecx
        add      ebx, ecx
        mov      edi, bword ptr [ebp-0x18]
@@ -112,44 +112,39 @@ G_M33320_IG09:        ; bbWeight=1.30, gcrefRegs=00000004 {edx}, byrefRegs=00000
 G_M33320_IG10:        ; bbWeight=0.16, gcVars=00000000 {}, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; byrRegs -[edi]
        ; GC ptr vars -{V07}
-       mov      eax, dword ptr [ebp-0x10]
-       jmp      SHORT G_M33320_IG13
-                       ;; size=5 bbWeight=0.16 PerfScore 0.49
-G_M33320_IG11:        ; bbWeight=0.65, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
-       mov      eax, dword ptr [ebp-0x10]
-       jmp      SHORT G_M33320_IG13
-                       ;; size=5 bbWeight=0.65 PerfScore 1.95
-G_M33320_IG12:        ; bbWeight=0.16, gcrefRegs=00000004 {edx}, byrefRegs=00000040 {esi}, byref, isz
+       jmp      SHORT G_M33320_IG12
+                       ;; size=2 bbWeight=0.16 PerfScore 0.33
+G_M33320_IG11:        ; bbWeight=0.16, gcrefRegs=00000004 {edx}, byrefRegs=00000040 {esi}, byref, isz
        ; byrRegs +[esi]
-       mov      ebx, eax
-       mov      eax, dword ptr [ebp-0x10]
        cmp      edi, dword ptr [esi]
-       jne      SHORT G_M33320_IG13
-       jmp      SHORT G_M33320_IG14
-                       ;; size=11 bbWeight=0.16 PerfScore 1.18
-G_M33320_IG13:        ; bbWeight=0.16, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+       jne      SHORT G_M33320_IG12
+       mov      esi, eax
        ; byrRegs -[esi]
-       mov      ebx, 2
+       jmp      SHORT G_M33320_IG13
+                       ;; size=8 bbWeight=0.16 PerfScore 1.02
+G_M33320_IG12:        ; bbWeight=0.16, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+       mov      esi, 2
                      ;; size=5 bbWeight=0.16 PerfScore 0.04
-G_M33320_IG14:        ; bbWeight=0.16, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
-       cmp      ebx, 1
-       je       G_M33320_IG03
-                       ;; size=9 bbWeight=0.16 PerfScore 0.20
-G_M33320_IG15:        ; bbWeight=0.02, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+G_M33320_IG13:        ; bbWeight=0.16, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
+       cmp      esi, 1
+       je       SHORT G_M33320_IG03
+                       ;; size=5 bbWeight=0.16 PerfScore 0.20
+G_M33320_IG14:        ; bbWeight=0.02, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+       mov      eax, dword ptr [ebp-0x10]
        mov      ecx, eax
        call     <unknown method>
        ; gcrRegs -[edx] +[eax]
-       mov      esi, eax
-       ; gcrRegs +[esi]
+       mov      edi, eax
+       ; gcrRegs +[edi]
        xor      ecx, ecx
-       test     ebx, ebx
+       test     esi, esi
        setne    cl
        call     [System.Diagnostics.Debug:Assert(ubyte)]
        ; gcrRegs -[eax]
-       mov      eax, esi
+       mov      eax, edi
        ; gcrRegs +[eax]
-                       ;; size=24 bbWeight=0.02 PerfScore 0.15
-G_M33320_IG16:        ; bbWeight=0.02, epilog, nogc, extend
+                      ;; size=27 bbWeight=0.02 PerfScore 0.17
+G_M33320_IG15:        ; bbWeight=0.02, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -158,6 +153,6 @@ G_M33320_IG16:        ; bbWeight=0.02, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=0.02 PerfScore 0.08
 
-; Total bytes of code 186, prolog size 11, PerfScore 40.84, instruction count 77, allocated bytes for code 186 (MethodHash=45b17dd7) for method System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
+; Total bytes of code 174, prolog size 11, PerfScore 38.59, instruction count 74, allocated bytes for code 174 (MethodHash=45b17dd7) for method System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
 ; ============================================================

-12 (-6.45%) : 107730.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1) 

@@ -12,9 +12,9 @@
 ;  V00 arg0         [V00,T03] (  6,  3.36)     int  ->  [ebp-0x10]  single-def
 ;  V01 arg1         [V01,T00] (  6,  4.49)     ref  ->  edx         class-hnd single-def <System.Object>
 ;* V02 loc0         [V02    ] (  0,  0   )     int  ->  zero-ref   
-;  V03 loc1         [V03,T12] (  2,  0.07)     ref  ->  esi         class-hnd single-def <System.Object>
+;  V03 loc1         [V03,T12] (  2,  0.07)     ref  ->  edi         class-hnd single-def <System.Object>
 ;  V04 loc2         [V04,T08] (  4,  2.49)     int  ->  [ebp-0x14]  spill-single-def
-;  V05 tmp0         [V05,T10] (  4,  0.54)     int  ->  ebx         "Inline return value spill temp"
+;  V05 tmp0         [V05,T10] (  4,  0.54)     int  ->  esi         "Inline return value spill temp"
 ;* V06 tmp1         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <int[]>
 ;  V07 tmp2         [V07,T06] (  4,  3.03)   byref  ->  [ebp-0x18]  spill-single-def "Inline stloc first use temp"
 ;  V08 tmp3         [V08,T05] (  4,  4.20)     int  ->  ebx         "Inline stloc first use temp"
@@ -22,7 +22,7 @@
 ;  V10 tmp5         [V10,T04] (  5,  4.87)   byref  ->  esi         "Inline stloc first use temp"
 ;  V11 tmp6         [V11,T02] (  5,  5.55)     int  ->  edi         "Inline stloc first use temp"
 ;  V12 tmp7         [V12,T07] (  2,  2.69)     int  ->  eax         "Inline stloc first use temp"
-;  V13 tmp8         [V13,T09] (  3,  1.51)     int  ->  registers   "Inline stloc first use temp"
+;  V13 tmp8         [V13,T09] (  3,  1.51)     int  ->  eax         "Inline stloc first use temp"
 ;* V14 tmp9         [V14    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V15 tmp10        [V15    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;  V16 tmp11        [V16,T11] (  2,  0.34)     ref  ->  edi         single-def "Field obj"
@@ -38,16 +38,16 @@ G_M33320_IG01:        ; bbWeight=1, gcVars=00000000 {}, gcrefRegs=00000000 {}, b
        sub      esp, 12
        mov      eax, ecx
                        ;; size=11 bbWeight=1 PerfScore 4.75
-G_M33320_IG02:        ; bbWeight=1, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+G_M33320_IG02:        ; bbWeight=1, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[edx]
        test     edx, edx
-       je       G_M33320_IG13
-                       ;; size=8 bbWeight=1 PerfScore 1.25
+       je       SHORT G_M33320_IG12
+                       ;; size=4 bbWeight=1 PerfScore 1.25
 G_M33320_IG03:        ; bbWeight=0.49, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
        mov      esi, dword ptr [edx]
        mov      dword ptr [ebp-0x14], esi
        cmp      esi, eax
-       je       SHORT G_M33320_IG13
+       je       SHORT G_M33320_IG12
                      ;; size=9 bbWeight=0.49 PerfScore 2.07
 G_M33320_IG04:        ; bbWeight=0.17, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
        mov      edi, gword ptr [D1FFAB1EH]      ; static handle
@@ -82,12 +82,12 @@ G_M33320_IG06:        ; bbWeight=0.67, gcrefRegs=00000004 {edx}, byrefRegs=00000
        mov      eax, dword ptr [ebp-0x10]
        xor      eax, dword ptr [esi+0x08]
        cmp      eax, 1
-       jbe      SHORT G_M33320_IG10
+       jbe      SHORT G_M33320_IG09
                        ;; size=11 bbWeight=0.67 PerfScore 3.53
 G_M33320_IG07:        ; bbWeight=1.34, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
        ; byrRegs -[esi]
        test     edi, edi
-       je       SHORT G_M33320_IG09
+       je       SHORT G_M33320_IG10
        inc      ecx
        add      ebx, ecx
        mov      edi, bword ptr [ebp-0x18]
@@ -99,34 +99,28 @@ G_M33320_IG07:        ; bbWeight=1.34, gcrefRegs=00000004 {edx}, byrefRegs=00000
 G_M33320_IG08:        ; bbWeight=0.17, gcVars=00000000 {}, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; byrRegs -[edi]
        ; GC ptr vars -{V07}
-       mov      eax, dword ptr [ebp-0x10]
-       jmp      SHORT G_M33320_IG11
-                       ;; size=5 bbWeight=0.17 PerfScore 0.50
-G_M33320_IG09:        ; bbWeight=0.67, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
-       mov      eax, dword ptr [ebp-0x10]
-       jmp      SHORT G_M33320_IG11
-                       ;; size=5 bbWeight=0.67 PerfScore 2.02
-G_M33320_IG10:        ; bbWeight=0.17, gcrefRegs=00000004 {edx}, byrefRegs=00000040 {esi}, byref, isz
+       jmp      SHORT G_M33320_IG10
+                       ;; size=2 bbWeight=0.17 PerfScore 0.34
+G_M33320_IG09:        ; bbWeight=0.17, gcrefRegs=00000004 {edx}, byrefRegs=00000040 {esi}, byref, isz
        ; byrRegs +[esi]
-       mov      ebx, eax
-       mov      eax, dword ptr [ebp-0x10]
        cmp      edi, dword ptr [esi]
-       jne      SHORT G_M33320_IG11
-       jmp      SHORT G_M33320_IG12
-                       ;; size=11 bbWeight=0.17 PerfScore 1.22
-G_M33320_IG11:        ; bbWeight=0.17, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+       jne      SHORT G_M33320_IG10
+       mov      esi, eax
        ; byrRegs -[esi]
-       mov      ebx, 2
+       jmp      SHORT G_M33320_IG11
+                       ;; size=8 bbWeight=0.17 PerfScore 1.05
+G_M33320_IG10:        ; bbWeight=0.17, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+       mov      esi, 2
                      ;; size=5 bbWeight=0.17 PerfScore 0.04
-G_M33320_IG12:        ; bbWeight=0.17, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
-       cmp      ebx, 1
-       jne      SHORT G_M33320_IG15
+G_M33320_IG11:        ; bbWeight=0.17, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
+       cmp      esi, 1
+       jne      SHORT G_M33320_IG14
                         ;; size=5 bbWeight=0.17 PerfScore 0.21
-G_M33320_IG13:        ; bbWeight=0.97, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
+G_M33320_IG12:        ; bbWeight=0.97, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref
        mov      eax, edx
        ; gcrRegs +[eax]
                        ;; size=2 bbWeight=0.97 PerfScore 0.24
-G_M33320_IG14:        ; bbWeight=0.97, epilog, nogc, extend
+G_M33320_IG13:        ; bbWeight=0.97, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -134,22 +128,23 @@ G_M33320_IG14:        ; bbWeight=0.97, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=0.97 PerfScore 3.38
-G_M33320_IG15:        ; bbWeight=0.03, gcVars=00000000 {}, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, gcvars, byref
+G_M33320_IG14:        ; bbWeight=0.03, gcVars=00000000 {}, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[eax]
+       mov      eax, dword ptr [ebp-0x10]
        mov      ecx, eax
        call     <unknown method>
        ; gcrRegs -[edx] +[eax]
-       mov      esi, eax
-       ; gcrRegs +[esi]
+       mov      edi, eax
+       ; gcrRegs +[edi]
        xor      ecx, ecx
-       test     ebx, ebx
+       test     esi, esi
        setne    cl
        call     [System.Diagnostics.Debug:Assert(ubyte)]
        ; gcrRegs -[eax]
-       mov      eax, esi
+       mov      eax, edi
        ; gcrRegs +[eax]
-                       ;; size=24 bbWeight=0.03 PerfScore 0.21
-G_M33320_IG16:        ; bbWeight=0.03, epilog, nogc, extend
+                      ;; size=27 bbWeight=0.03 PerfScore 0.24
+G_M33320_IG15:        ; bbWeight=0.03, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -158,6 +153,6 @@ G_M33320_IG16:        ; bbWeight=0.03, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=0.03 PerfScore 0.12
 
-; Total bytes of code 186, prolog size 11, PerfScore 42.65, instruction count 77, allocated bytes for code 186 (MethodHash=45b17dd7) for method System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
+; Total bytes of code 174, prolog size 11, PerfScore 40.33, instruction count 74, allocated bytes for code 174 (MethodHash=45b17dd7) for method System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
 ; ============================================================

+12 (+44.44%) : 82231.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo1[System.__Canon]):this (Tier1) 

@@ -9,21 +9,21 @@
 ; 0 inlinees with PGO data; 1 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T00] (  4,  3   )     ref  ->  esi         this class-hnd single-def <Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]>
+;  V00 this         [V00,T00] (  5,  3   )     ref  ->  esi         this class-hnd single-def <Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]>
 ;  V01 arg1         [V01,T04] (  1,  0   )  struct (16) [esp+0x08]  do-not-enreg[SF] ld-addr-op single-def <Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]>
 ;* V02 tmp0         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
-;* V03 rat0         [V03,T01] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V03 rat0         [V03,T01] (  2,  0   )     int  ->  ecx         "Spilling to split statement for tree"
 ;* V04 rat1         [V04,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat2         [V05,T02] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat2         [V05,T02] (  2,  0   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
 G_M44880_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     esi
        mov      esi, ecx
-       ; gcrRegs +[esi]
                       ;; size=3 bbWeight=1 PerfScore 1.25
 G_M44880_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs +[esi]
        cmp      gword ptr [esi+0x08], 0
        jne      SHORT G_M44880_IG04
                        ;; size=6 bbWeight=1 PerfScore 4.00
@@ -32,6 +32,11 @@ G_M44880_IG03:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        ret      16
                        ;; size=4 bbWeight=1 PerfScore 2.50
 G_M44880_IG04:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       mov      ecx, dword ptr [esi]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x48]
+       test     ecx, ecx
        mov      ecx, esi
        ; gcrRegs +[ecx]
        mov      edx, gword ptr [esp+0x0C]
@@ -40,8 +45,8 @@ G_M44880_IG04:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000040 {esi}
        ; gcrRegs -[ecx edx]
        ; gcr arg pop 0
        jmp      SHORT G_M44880_IG03
-                      ;; size=14 bbWeight=0 PerfScore 0.00
+                      ;; size=26 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 27, prolog size 1, PerfScore 7.75, instruction count 10, allocated bytes for code 27 (MethodHash=282050af) for method Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
+; Total bytes of code 39, prolog size 1, PerfScore 7.75, instruction count 15, allocated bytes for code 39 (MethodHash=282050af) for method Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
 ; ============================================================

+10 (+66.67%) : 73926.dasm - System.Collections.Immutable.ImmutableArray1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray1[System.__Canon]:this (Tier1) 

@@ -13,9 +13,9 @@
 ;* V02 tmp1         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V03 tmp2         [V03    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon[]>
 ;  V04 tmp3         [V04,T03] (  2,  2   )     ref  ->  eax         single-def "field V01.array (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T02] (  2,  4   )     int  ->  ecx         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T04] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T01] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -25,18 +25,22 @@ G_M61652_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=3 bbWeight=1 PerfScore 1.25
 G_M61652_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[esi]
-       cmp      dword ptr [esi], esi
+       mov      ecx, dword ptr [esi]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x18]
+       test     ecx, ecx
        mov      ecx, esi
        ; gcrRegs +[ecx]
        call     [System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToArray():System.__Canon[]:this]
        ; gcrRegs -[ecx] +[eax]
        ; gcr arg pop 0
-                       ;; size=10 bbWeight=1 PerfScore 6.25
+                      ;; size=20 bbWeight=1 PerfScore 11.50
 G_M61652_IG03:        ; bbWeight=1, epilog, nogc, extend
        pop      esi
        ret      
                        ;; size=2 bbWeight=1 PerfScore 1.50
 
-; Total bytes of code 15, prolog size 1, PerfScore 9.00, instruction count 7, allocated bytes for code 15 (MethodHash=235c0f2b) for method System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
+; Total bytes of code 25, prolog size 1, PerfScore 14.25, instruction count 11, allocated bytes for code 25 (MethodHash=235c0f2b) for method System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
 ; ============================================================

+24 (+104.35%) : 26843.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Canon,System.Canon]]):this (Tier1) 

@@ -15,13 +15,13 @@
 ;* V04 tmp1         [V04    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V05 tmp2         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]>
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V07 tmp4         [V07,T05] (  3,  2.50)     ref  ->  ecx         single-def "V02.[000..004)"
-;* V08 cse0         [V08,T04] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V09 rat0         [V09,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 tmp4         [V07,T05] (  3,  2.50)     ref  ->  eax         single-def "V02.[000..004)"
+;  V08 cse0         [V08,T04] (  3,  3   )     int  ->  ecx         "CSE - aggressive"
+;  V09 rat0         [V09,T03] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V10 rat1         [V10,T06] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V11 rat2         [V11,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V11 rat2         [V11,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;* V12 rat3         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat4         [V13,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat4         [V13,T01] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -31,22 +31,33 @@ G_M20412_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=3 bbWeight=1 PerfScore 1.25
 G_M20412_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[esi]
-       cmp      dword ptr [esi], esi
-       mov      ecx, gword ptr [esp+0x0C]
-       ; gcrRegs +[ecx]
+       mov      ecx, dword ptr [esi]
+       mov      eax, ecx
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x0C]
+       test     eax, eax
+       mov      eax, gword ptr [esp+0x0C]
+       ; gcrRegs +[eax]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x10]
        test     ecx, ecx
+       test     eax, eax
        je       SHORT G_M20412_IG04
-                       ;; size=10 bbWeight=1 PerfScore 5.25
-G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=00000042 {ecx esi}, byrefRegs=00000000 {}, byref
+                        ;; size=32 bbWeight=1 PerfScore 17.00
+G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, byref
+       mov      ecx, eax
+       ; gcrRegs +[ecx]
        call     [System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:Freeze():this]
-       ; gcrRegs -[ecx]
+       ; gcrRegs -[eax ecx]
        ; gcr arg pop 0
-                       ;; size=6 bbWeight=0.50 PerfScore 1.50
+                        ;; size=8 bbWeight=0.50 PerfScore 1.62
 G_M20412_IG04:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, epilog, nogc
        pop      esi
        ret      16
                        ;; size=4 bbWeight=1 PerfScore 2.50
 
-; Total bytes of code 23, prolog size 1, PerfScore 10.50, instruction count 9, allocated bytes for code 23 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
+; Total bytes of code 47, prolog size 1, PerfScore 22.38, instruction count 19, allocated bytes for code 47 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
 ; ============================================================

benchmarks.run_tiered.windows.x86.checked.mch

-19 (-4.19%) : 13748.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int 

@@ -8,22 +8,22 @@
 ; 0 inlinees with PGO data; 7 single block inlinees; 3 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T06] (  4,  7   )     ref  ->  [ebp-0x28]  class-hnd single-def <System.String[]>
+;  V00 arg0         [V00,T06] (  4,  7   )     ref  ->  [ebp-0x24]  class-hnd single-def <System.String[]>
 ;* V01 arg1         [V01    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <System.Collections.Generic.IEqualityComparer`1[System.String]>
 ;  V02 arg2         [V02,T09] (  2,  5   )     int  ->  [ebp+0x0C]  single-def
 ;  V03 arg3         [V03,T19] (  1,  1   )     int  ->  [ebp+0x08]  single-def
 ;  V04 loc0         [V04,T11] (  4,  3   )     int  ->  [ebp-0x10]  spill-single-def
 ;  V05 loc1         [V05,T10] (  8,  4   )     int  ->  [ebp-0x14]  spill-single-def
-;  V06 loc2         [V06,T03] ( 13, 24.16)     ref  ->  [ebp-0x2C]  class-hnd spill-single-def <int[]>
+;  V06 loc2         [V06,T03] ( 13, 24.16)     ref  ->  [ebp-0x28]  class-hnd spill-single-def <int[]>
 ;  V07 loc3         [V07,T08] (  4,  5   )     int  ->  [ebp-0x18] 
 ;  V08 loc4         [V08,T16] (  3,  1.50)     ref  ->  esi         class-hnd single-def <int[]>
 ;* V09 loc5         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Span`1[int]>
 ;  V10 loc6         [V10,T05] (  6, 18.50)     int  ->  edx        
 ;* V11 loc7         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <System.String>
-;  V12 loc8         [V12,T04] (  6, 20   )     int  ->  [ebp-0x1C]  spill-single-def
+;  V12 loc8         [V12,T04] (  6, 20   )     int  ->  ebx        
 ;  V13 loc9         [V13,T02] (  7, 32   )     int  ->  eax        
 ;  V14 loc10        [V14,T00] ( 12, 74.16)     int  ->  edi        
-;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  registers  
+;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  esi        
 ;* V16 tmp0         [V16    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[int]>
 ;* V17 tmp1         [V17    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
 ;* V18 tmp2         [V18    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline return value spill temp" <int[]>
@@ -32,15 +32,15 @@
 ;  V21 tmp5         [V21,T12] (  2,  2   )     ref  ->  eax         single-def "Single return block return value"
 ;* V22 tmp6         [V22    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V09._reference (fldOffset=0x0)" P-INDEP
 ;* V23 tmp7         [V23    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x4)" P-INDEP
-;  V24 tmp8         [V24,T17] (  3,  1.50)   byref  ->  [ebp-0x30]  "field V16._reference (fldOffset=0x0)" P-INDEP
-;  V25 tmp9         [V25,T18] (  3,  1.50)     int  ->  [ebp-0x20]  "field V16._length (fldOffset=0x4)" P-INDEP
+;  V24 tmp8         [V24,T17] (  3,  1.50)   byref  ->  [ebp-0x2C]  "field V16._reference (fldOffset=0x0)" P-INDEP
+;  V25 tmp9         [V25,T18] (  3,  1.50)     int  ->  [ebp-0x1C]  "field V16._length (fldOffset=0x4)" P-INDEP
 ;  V26 tmp10        [V26,T13] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;  V27 tmp11        [V27,T14] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;  V28 tmp12        [V28,T15] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;* V29 cse0         [V29,T20] (  0,  0   )     int  ->  zero-ref    "CSE - conservative"
-;  V30 cse1         [V30,T07] (  4,  6.50)     int  ->  [ebp-0x24]  spill-single-def "CSE - moderate"
+;  V30 cse1         [V30,T07] (  4,  6.50)     int  ->  [ebp-0x20]  spill-single-def "CSE - moderate"
 ;
-; Lcl frame size = 36
+; Lcl frame size = 32
 
 G_M57321_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -48,7 +48,7 @@ G_M57321_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 36
+       sub      esp, 32
        vzeroupper 
        mov      esi, ecx
        ; gcrRegs +[esi]
@@ -60,18 +60,18 @@ G_M57321_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        inc      ebx
        mov      dword ptr [ebp-0x10], ebx
        mov      ecx, dword ptr [esi+0x04]
-       mov      dword ptr [ebp-0x24], ecx
+       mov      dword ptr [ebp-0x20], ecx
        mov      eax, ecx
        cdq      
        idiv     edx:eax, ebx
        cmp      eax, 5
-       jg       G_M57321_IG20
+       jg       G_M57321_IG16
                        ;; size=29 bbWeight=1 PerfScore 32.50
 G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        lea      eax, [ebx+4*ebx]
        mov      dword ptr [ebp-0x14], eax
        cmp      eax, 0xD1FFAB1E
-       jg       G_M57321_IG20
+       jg       G_M57321_IG16
        mov      ecx, 0xD1FFAB1E
        mov      edx, 50
        call     CORINFO_HELP_CLASSINIT_SHARED_DYNAMICCLASS
@@ -81,20 +81,20 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x2C], eax
+       mov      gword ptr [ebp-0x28], eax
        ; GC ptr vars +{V06}
        test     eax, eax
        jne      SHORT G_M57321_IG04
        mov      edx, dword ptr [ebp-0x14]
        test     edx, edx
-       jne      G_M57321_IG26
+       jne      G_M57321_IG21
        xor      ecx, ecx
        ; byrRegs +[ecx]
-       mov      bword ptr [ebp-0x30], ecx
+       mov      bword ptr [ebp-0x2C], ecx
        ; GC ptr vars +{V24}
        xor      ecx, ecx
        ; byrRegs -[ecx]
-       mov      dword ptr [ebp-0x20], ecx
+       mov      dword ptr [ebp-0x1C], ecx
        jmp      SHORT G_M57321_IG05
                        ;; size=79 bbWeight=0.50 PerfScore 11.12
 G_M57321_IG04:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, gcvars, byref
@@ -102,31 +102,31 @@ G_M57321_IG04:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000041
        mov      ecx, dword ptr [eax+0x04]
        mov      edx, dword ptr [ebp-0x14]
        cmp      dword ptr [eax+0x04], edx
-       jb       G_M57321_IG26
+       jb       G_M57321_IG21
        lea      ecx, bword ptr [eax+0x08]
        ; byrRegs +[ecx]
-       mov      bword ptr [ebp-0x30], ecx
+       mov      bword ptr [ebp-0x2C], ecx
        ; GC ptr vars +{V24}
-       mov      dword ptr [ebp-0x20], edx
+       mov      dword ptr [ebp-0x1C], edx
                      ;; size=24 bbWeight=0.50 PerfScore 4.75
-G_M57321_IG05:        ; bbWeight=0.50, gcVars=00020008 {V06 V24}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
+G_M57321_IG05:        ; bbWeight=0.50, gcVars=00020008 {V06 V24}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax]
        ; byrRegs -[ecx]
        push     -1
-       mov      ecx, bword ptr [ebp-0x30]
+       mov      ecx, bword ptr [ebp-0x2C]
        ; byrRegs +[ecx]
-       mov      edx, dword ptr [ebp-0x20]
+       mov      edx, dword ptr [ebp-0x1C]
        ; GC ptr vars -{V24}
        call     [<unknown method>]
        ; byrRegs -[ecx]
        xor      ecx, ecx
        mov      dword ptr [ebp-0x18], ecx
        xor      edx, edx
-       cmp      dword ptr [ebp-0x24], 0
-       jle      G_M57321_IG18
-                       ;; size=31 bbWeight=0.50 PerfScore 5.25
+       cmp      dword ptr [ebp-0x20], 0
+       jle      SHORT G_M57321_IG14
+                       ;; size=27 bbWeight=0.50 PerfScore 5.25
 G_M57321_IG06:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      gword ptr [ebp-0x28], esi
+       mov      gword ptr [ebp-0x24], esi
        ; GC ptr vars +{V00}
        mov      ebx, gword ptr [esi+4*edx+0x08]
        ; gcrRegs +[ebx]
@@ -135,21 +135,20 @@ G_M57321_IG06:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        mov      dword ptr [ebp+0x0C], edi
        sub      ebx, edi
        lea      ebx, [ebx+4*ebx]
-       mov      dword ptr [ebp-0x1C], ebx
        lea      eax, [ebx+0x05]
        mov      edi, ebx
        cmp      ebx, eax
-       jge      SHORT G_M57321_IG17
-                       ;; size=30 bbWeight=4 PerfScore 39.00
+       jge      SHORT G_M57321_IG13
+                       ;; size=27 bbWeight=4 PerfScore 35.00
 G_M57321_IG07:        ; bbWeight=2, gcVars=00000048 {V00 V06}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[esi]
-       mov      ecx, gword ptr [ebp-0x2C]
+       mov      ecx, gword ptr [ebp-0x28]
        ; gcrRegs +[ecx]
        test     ecx, ecx
-       je       SHORT G_M57321_IG12
+       je       SHORT G_M57321_IG10
        mov      esi, ebx
        or       esi, eax
-       jl       SHORT G_M57321_IG11
+       jl       SHORT G_M57321_IG10
        cmp      dword ptr [ecx+0x04], eax
        jl       SHORT G_M57321_IG10
                        ;; size=18 bbWeight=2 PerfScore 15.50
@@ -157,64 +156,51 @@ G_M57321_IG08:        ; bbWeight=15.84, gcrefRegs=00000002 {ecx}, byrefRegs=0000
        lea      esi, bword ptr [ecx+4*edi+0x08]
        ; byrRegs +[esi]
        cmp      dword ptr [esi], 0
-       jl       SHORT G_M57321_IG15
+       jl       SHORT G_M57321_IG11
        inc      edi
        cmp      edi, eax
        jl       SHORT G_M57321_IG08
                        ;; size=14 bbWeight=15.84 PerfScore 102.96
-G_M57321_IG09:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+G_M57321_IG09:        ; bbWeight=4, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
        ; byrRegs -[esi]
-       jmp      SHORT G_M57321_IG17
-                       ;; size=2 bbWeight=2 PerfScore 4.00
-G_M57321_IG10:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
-       jmp      SHORT G_M57321_IG12
-                       ;; size=2 bbWeight=1 PerfScore 2.00
-G_M57321_IG11:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
-                       ;; size=0 bbWeight=1 PerfScore 0.00
-G_M57321_IG12:        ; bbWeight=0.16, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+       jmp      SHORT G_M57321_IG13
+                       ;; size=2 bbWeight=4 PerfScore 8.00
+G_M57321_IG10:        ; bbWeight=0.16, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
        cmp      edi, dword ptr [ecx+0x04]
-       jae      G_M57321_IG25
-       lea      ebx, bword ptr [ecx+4*edi+0x08]
-       ; byrRegs +[ebx]
-       cmp      dword ptr [ebx], 0
-       mov      esi, ebx
+       jae      G_M57321_IG20
+       lea      esi, bword ptr [ecx+4*edi+0x08]
        ; byrRegs +[esi]
-       jl       SHORT G_M57321_IG14
+       cmp      dword ptr [esi], 0
+       jl       SHORT G_M57321_IG11
        inc      edi
        cmp      edi, eax
-       jl       SHORT G_M57321_IG12
-                       ;; size=25 bbWeight=0.16 PerfScore 1.72
-G_M57321_IG13:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
-       ; byrRegs -[ebx esi]
-       jmp      SHORT G_M57321_IG17
-                       ;; size=2 bbWeight=2 PerfScore 4.00
-G_M57321_IG14:        ; bbWeight=0.08, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
-       ; byrRegs +[esi]
-       mov      ebx, dword ptr [ebp-0x1C]
-                       ;; size=3 bbWeight=0.08 PerfScore 0.08
-G_M57321_IG15:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref, isz
+       jl       SHORT G_M57321_IG10
+       jmp      SHORT G_M57321_IG13
+                       ;; size=25 bbWeight=0.16 PerfScore 2.00
+G_M57321_IG11:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref, isz
        cmp      edi, ebx
-       jne      SHORT G_M57321_IG16
+       jne      SHORT G_M57321_IG12
        mov      ebx, dword ptr [ebp-0x18]
        inc      ebx
        mov      dword ptr [ebp-0x18], ebx
                        ;; size=11 bbWeight=2 PerfScore 7.00
-G_M57321_IG16:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
+G_M57321_IG12:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
        mov      dword ptr [esi], edx
                        ;; size=2 bbWeight=2 PerfScore 2.00
-G_M57321_IG17:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+G_M57321_IG13:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs -[ecx]
        ; byrRegs -[esi]
        cmp      edi, eax
-       je       SHORT G_M57321_IG19
+       je       SHORT G_M57321_IG15
        inc      edx
-       mov      edi, dword ptr [ebp-0x24]
-       cmp      edi, edx
-       mov      esi, gword ptr [ebp-0x28]
+       mov      ebx, dword ptr [ebp-0x20]
+       cmp      ebx, edx
+       mov      esi, gword ptr [ebp-0x24]
...

-29 (-3.77%) : 36392.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.Canon,System.Canon]:FindValue(System.__Canon):byref:this (Tier0-FullOpts) 

@@ -8,16 +8,16 @@
 ; 0 inlinees with PGO data; 19 single block inlinees; 4 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T06] ( 13,  8.50)     ref  ->  [ebp-0x68]  this class-hnd single-def <Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]>
-;  V01 arg1         [V01,T07] (  8,  8.50)     ref  ->  [ebp-0x6C]  ld-addr-op class-hnd single-def <System.__Canon>
-;  V02 loc0         [V02,T00] ( 10, 29   )   byref  ->  [ebp-0x70] 
+;  V00 this         [V00,T06] ( 13,  8.50)     ref  ->  ebx         this class-hnd single-def <Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]>
+;  V01 arg1         [V01,T07] (  8,  8.50)     ref  ->  [ebp-0x68]  ld-addr-op class-hnd single-def <System.__Canon>
+;  V02 loc0         [V02,T00] ( 10, 29   )   byref  ->  [ebp-0x6C] 
 ;  V03 loc1         [V03,T36] (  3,  2   )   byref  ->  eax        
-;  V04 loc2         [V04,T18] (  4,  3.50)     ref  ->  [ebp-0x74]  class-hnd spill-single-def <<unknown class>>
+;  V04 loc2         [V04,T18] (  4,  3.50)     ref  ->  [ebp-0x70]  class-hnd spill-single-def <<unknown class>>
 ;  V05 loc3         [V05,T14] (  3,  5   )     int  ->  [ebp-0x10]  spill-single-def
 ;  V06 loc4         [V06,T01] (  6, 13.50)     int  ->  [ebp-0x14] 
 ;  V07 loc5         [V07    ] (  4, 12.50)  struct ( 8) [ebp-0x1C]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.Collections.SegmentedArray`1[Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2+Entry[System.__Canon,System.__Canon]]>
 ;  V08 loc6         [V08,T03] (  4, 12.50)     int  ->  esi        
-;  V09 loc7         [V09,T16] (  3,  4.50)     ref  ->  [ebp-0x78]  class-hnd spill-single-def <System.Collections.Generic.EqualityComparer`1[System.__Canon]>
+;  V09 loc7         [V09,T16] (  3,  4.50)     ref  ->  [ebp-0x74]  class-hnd spill-single-def <System.Collections.Generic.EqualityComparer`1[System.__Canon]>
 ;  V10 loc8         [V10,T15] (  3,  5   )     int  ->  [ebp-0x20]  spill-single-def
 ;  V11 loc9         [V11,T02] (  6, 13.50)     int  ->  [ebp-0x24] 
 ;  V12 loc10        [V12    ] (  4, 12.50)  struct ( 8) [ebp-0x2C]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.Collections.SegmentedArray`1[Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2+Entry[System.__Canon,System.__Canon]]>
@@ -60,9 +60,9 @@
 ;  V49 tmp35        [V49    ] (  4, 12.50)     int  ->  [ebp-0x18]  do-not-enreg[X] addr-exposed "field V07._length (fldOffset=0x4)" P-DEP
 ;  V50 tmp36        [V50    ] (  2,  4.50)     ref  ->  [ebp-0x2C]  do-not-enreg[X] addr-exposed "field V12._items (fldOffset=0x0)" P-DEP
 ;  V51 tmp37        [V51    ] (  4, 12.50)     int  ->  [ebp-0x28]  do-not-enreg[X] addr-exposed "field V12._length (fldOffset=0x4)" P-DEP
-;  V52 tmp38        [V52,T46] (  2,  1   )     ref  ->  [ebp-0x7C]  spill-single-def "field V28._items (fldOffset=0x0)" P-INDEP
+;  V52 tmp38        [V52,T46] (  2,  1   )     ref  ->  [ebp-0x78]  spill-single-def "field V28._items (fldOffset=0x0)" P-INDEP
 ;  V53 tmp39        [V53,T48] (  2,  1   )     int  ->  [ebp-0x38]  spill-single-def "field V28._length (fldOffset=0x4)" P-INDEP
-;  V54 tmp40        [V54,T47] (  2,  1   )     ref  ->  [ebp-0x80]  spill-single-def "field V38._items (fldOffset=0x0)" P-INDEP
+;  V54 tmp40        [V54,T47] (  2,  1   )     ref  ->  [ebp-0x7C]  spill-single-def "field V38._items (fldOffset=0x0)" P-INDEP
 ;  V55 tmp41        [V55,T49] (  2,  1   )     int  ->  [ebp-0x3C]  spill-single-def "field V38._length (fldOffset=0x4)" P-INDEP
 ;  V56 tmp42        [V56,T27] (  3,  3   )     int  ->  eax         "index expr"
 ;  V57 tmp43        [V57,T28] (  3,  3   )     int  ->  edx         "index expr"
@@ -71,20 +71,20 @@
 ;  V60 tmp46        [V60,T30] (  3,  3   )     int  ->  edx         "index expr"
 ;  V61 tmp47        [V61,T11] (  2,  8   )     ref  ->  edx         "argument with side effect"
 ;  V62 cse0         [V62,T08] (  4,  9   )     int  ->  [ebp-0x40]  hoist multi-def "CSE - aggressive"
-;  V63 cse1         [V63,T12] ( 11,  5.80)     int  ->  [ebp-0x44]  spill-single-def "CSE - moderate"
-;* V64 rat0         [V64,T17] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V63 cse1         [V63,T12] ( 13,  7.30)     int  ->  [ebp-0x44]  spill-single-def "CSE - moderate"
+;  V64 rat0         [V64,T17] (  2,  4   )     int  ->  ecx         "Spilling to split statement for tree"
 ;* V65 rat1         [V65,T41] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V66 rat2         [V66,T13] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V66 rat2         [V66,T13] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;  V67 rat3         [V67,T38] (  3,  2   )     int  ->  ecx         "runtime lookup"
 ;  V68 rat4         [V68,T31] (  3,  2.80)     int  ->  ecx         "fgMakeTemp is creating a new local variable"
-;  V69 rat5         [V69,T39] (  3,  2   )     int  ->  edi         "runtime lookup"
+;  V69 rat5         [V69,T39] (  3,  2   )     int  ->  registers   "runtime lookup"
 ;  V70 rat6         [V70,T32] (  3,  2.80)     int  ->  edx         "fgMakeTemp is creating a new local variable"
 ;  V71 rat7         [V71,T33] (  3,  2.80)     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;  V72 rat8         [V72,T40] (  3,  2   )     int  ->  eax         "runtime lookup"
 ;  V73 rat9         [V73,T34] (  3,  2.80)     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;  V74 rat10        [V74,T05] (  3, 11.20)     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;* V75 rat11        [V75,T50] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V76 rat12        [V76,T35] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V76 rat12        [V76,T35] (  2,  2   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;  V77 rat13        [V77,T23] (  3,  3   )   byref  ->  ecx         "ReplaceWithLclVar is creating a new local variable"
 ;  V78 rat14        [V78    ] (  1,  1   )    long  ->  [ebp-0x4C]  multireg-ret "ReplaceWithLclVar is creating a new local variable"
 ;  V79 rat15        [V79,T51] (  1,  1   )     int  ->  eax         "field V78.lo (fldOffset=0x0)" P-INDEP
@@ -99,10 +99,8 @@
 ;  V88 rat24        [V88    ] (  1,  1   )    long  ->  [ebp-0x64]  multireg-ret "ReplaceWithLclVar is creating a new local variable"
 ;  V89 rat25        [V89,T54] (  1,  1   )     int  ->  eax         "field V88.lo (fldOffset=0x0)" P-INDEP
 ;  V90 rat26        [V90,T45] (  2,  1.50)     int  ->  edx         "field V88.hi (fldOffset=0x4)" P-INDEP
-;  TEMP_02                                     ref  ->  [ebp-0x84]
-;  TEMP_01                                     int  ->  [ebp-0x88]
 ;
-; Lcl frame size = 124
+; Lcl frame size = 112
 
 G_M65447_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -110,59 +108,55 @@ G_M65447_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 124
-       vxorps   xmm4, xmm4, xmm4
-       vmovdqu  ymmword ptr [ebp-0x84], ymm4
-       vmovdqu  ymmword ptr [ebp-0x64], ymm4
-       vmovdqu  ymmword ptr [ebp-0x44], ymm4
-       vmovdqu  xmmword ptr [ebp-0x24], xmm4
-       mov      gword ptr [ebp-0x68], ecx
-       ; GC ptr vars +{V00}
+       sub      esp, 112
+       xor      eax, eax
+       mov      dword ptr [ebp-0x1C], eax
+       mov      dword ptr [ebp-0x18], eax
+       mov      dword ptr [ebp-0x2C], eax
+       mov      dword ptr [ebp-0x28], eax
+       mov      ebx, ecx
+       ; gcrRegs +[ebx]
        mov      esi, edx
        ; gcrRegs +[esi]
-                      ;; size=41 bbWeight=1 PerfScore 14.08
-G_M65447_IG02:        ; bbWeight=1, gcVars=0000000000000040 {V00}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
+                        ;; size=27 bbWeight=1 PerfScore 9.25
+G_M65447_IG02:        ; bbWeight=1, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref
        test     esi, esi
-       je       G_M65447_IG30
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
+       je       G_M65447_IG31
        mov      eax, dword ptr [ebx]
-       mov      dword ptr [ebp-0x44], eax
-       mov      ebx, gword ptr [ebp-0x68]
+       mov      edi, eax
+       mov      dword ptr [ebp-0x44], edi
+       mov      ecx, edi
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x10]
+       test     ecx, ecx
        cmp      dword ptr [ebx+0x2C], 0
-       jle      G_M65447_IG28
-                       ;; size=29 bbWeight=1 PerfScore 10.25
-G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs -[ebx]
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
+       jle      G_M65447_IG05
+                       ;; size=37 bbWeight=1 PerfScore 15.00
+G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
        mov      eax, gword ptr [ebx+0x0C]
        ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x74], eax
+       mov      gword ptr [ebp-0x70], eax
        ; GC ptr vars +{V04}
        test     eax, eax
-       jne      G_M65447_IG13
+       jne      G_M65447_IG14
        mov      ecx, esi
        ; gcrRegs +[ecx]
-       mov      gword ptr [ebp-0x6C], esi
+       mov      gword ptr [ebp-0x68], esi
        ; GC ptr vars +{V01}
        mov      eax, dword ptr [esi]
        ; gcrRegs -[eax]
        mov      eax, dword ptr [eax+0x2C]
        ; GC ptr vars -{V04}
        call     [eax+0x0C]<unknown method>
-       ; gcrRegs -[ecx ebx esi]
+       ; gcrRegs -[ecx esi]
        mov      dword ptr [ebp-0x10], eax
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
        mov      edx, gword ptr [ebx+0x28]
        ; gcrRegs +[edx]
-       mov      gword ptr [ebp-0x7C], edx
+       mov      gword ptr [ebp-0x78], edx
        ; GC ptr vars +{V52}
-       mov      ebx, gword ptr [ebp-0x68]
        mov      ecx, dword ptr [ebx+0x2C]
        mov      dword ptr [ebp-0x38], ecx
-       mov      ebx, gword ptr [ebp-0x68]
        lea      ecx, bword ptr [ebx+0x04]
        ; byrRegs +[ecx]
        mov      edx, dword ptr [ecx]
@@ -172,7 +166,6 @@ G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        push     0
        push     eax
        call     CORINFO_HELP_LMUL
-       ; gcrRegs -[ebx]
        ; byrRegs -[ecx]
        xor      eax, eax
        add      edx, 1
@@ -182,20 +175,18 @@ G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        push     0
        push     dword ptr [ebp-0x38]
        call     CORINFO_HELP_LMUL
-       mov      ecx, gword ptr [ebp-0x7C]
+       mov      ecx, gword ptr [ebp-0x78]
        ; gcrRegs +[ecx]
        mov      eax, edx
        sar      eax, 14
        cmp      eax, dword ptr [ecx+0x04]
-       jae      G_M65447_IG29
+       jae      G_M65447_IG30
        mov      ecx, gword ptr [ecx+4*eax+0x08]
        and      edx, 0x3FFF
        cmp      edx, dword ptr [ecx+0x04]
-       jae      G_M65447_IG29
+       jae      G_M65447_IG30
        mov      eax, dword ptr [ecx+4*edx+0x08]
        mov      dword ptr [ebp-0x14], eax
-       mov      ebx, gword ptr [ebp-0x68]
-       ; gcrRegs +[ebx]
        lea      esi, bword ptr [ebx+0x30]
        ; byrRegs +[esi]
        lea      edi, bword ptr [ebp-0x1C]
@@ -211,23 +202,28 @@ G_M65447_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        mov      ecx, dword ptr [ecx]
        mov      ecx, dword ptr [ecx+0x0C]
        test     ecx, ecx
-       je       SHORT G_M65447_IG05
-                       ;; size=162 bbWeight=0.50 PerfScore 32.75
-G_M65447_IG04:        ; bbWeight=0.40, gcVars=00000000000000C0 {V00 V01}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[ebx]
+       je       SHORT G_M65447_IG06
+                       ;; size=147 bbWeight=0.50 PerfScore 30.25
+G_M65447_IG04:        ; bbWeight=0.40, gcVars=0000000000000080 {V01}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; GC ptr vars -{V52}
-       jmp      SHORT G_M65447_IG06
+       jmp      SHORT G_M65447_IG07
                      ;; size=2 bbWeight=0.40 PerfScore 0.80
-G_M65447_IG05:        ; bbWeight=0.10, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M65447_IG05:        ; bbWeight=0.50, gcVars=0000000000000000 {}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref
+       ; GC ptr vars -{V01}
+       mov      edi, dword ptr [ebp-0x44]
+       jmp      G_M65447_IG29
+                       ;; size=8 bbWeight=0.50 PerfScore 1.50
+G_M65447_IG06:        ; bbWeight=0.10, gcVars=0000000000000080 {V01}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref
+       ; GC ptr vars +{V01}
        mov      ecx, edi
        mov      edx, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      ecx, eax
                        ;; size=14 bbWeight=0.10 PerfScore 0.18
-G_M65447_IG06:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+G_M65447_IG07:        ; bbWeight=0.50, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, byref, isz
        call     [System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]]
        ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x78], eax
+       mov      gword ptr [ebp-0x74], eax
        ; GC ptr vars +{V09}
        mov      ecx, dword ptr [ebp-0x14]
        dec      ecx
@@ -236,98 +232,95 @@ G_M65447_IG06:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000
        mov      edx, dword ptr [edx]
        mov      edx, dword ptr [edx+0x1C]
        test     edx, edx
-       je       SHORT G_M65447_IG08
+       je       SHORT G_M65447_IG09
                      ;; size=28 bbWeight=0.50 PerfScore 6.75
-G_M65447_IG07:        ; bbWeight=0.40, gcVars=00000000000100C0 {V00 V01 V09}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M65447_IG08:        ; bbWeight=0.40, gcVars=0000000000010080 {V01 V09}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax]
-       mov      edi, edx
-       jmp      SHORT G_M65447_IG09
-                       ;; size=4 bbWeight=0.40 PerfScore 0.90
-G_M65447_IG08:        ; bbWeight=0.10, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+       jmp      SHORT G_M65447_IG10
+                       ;; size=2 bbWeight=0.40 PerfScore 0.80
+G_M65447_IG09:        ; bbWeight=0.10, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, byref
        mov      ecx, edi
        mov      edx, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
-       mov      edi, eax
-                       ;; size=14 bbWeight=0.10 PerfScore 0.18
-G_M65447_IG09:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
...

-21 (-3.08%) : 99.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (Tier0-FullOpts) 

@@ -210,21 +210,21 @@ G_M64904_IG17:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        vpor     xmm2, xmm2, xmm4
        vpmovmskb ecx, xmm2
        popcnt   ecx, ecx
-       vmovups  xmm2, xmmword ptr [ebp-0x44]
-       vpaddw   xmm4, xmm0, xmm2
+       vpaddw   xmm4, xmm0, xmmword ptr [ebp-0x44]
        vpcmpgtw xmm4, xmm3, xmm4
        vpmovmskb eax, xmm4
        cmp      eax, 0xFFFF
        jne      SHORT G_M64904_IG20
-                      ;; size=55 bbWeight=4 PerfScore 83.00
+                     ;; size=51 bbWeight=4 PerfScore 77.67
 G_M64904_IG18:        ; bbWeight=16, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        add      ebx, ecx
        mov      eax, dword ptr [ebp-0x74]
        adc      eax, 0
        cmp      esi, edi
        mov      dword ptr [ebp-0x74], eax
+       mov      edi, dword ptr [ebp-0x48]
        jbe      SHORT G_M64904_IG15
-                      ;; size=15 bbWeight=16 PerfScore 64.00
+                        ;; size=18 bbWeight=16 PerfScore 80.00
 G_M64904_IG19:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        mov      ecx, dword ptr [ebp-0x14]
        jmp      G_M64904_IG28
@@ -250,9 +250,7 @@ G_M64904_IG21:        ; bbWeight=8, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        call     [<unknown method>]
        ; gcrRegs -[ecx edx]
        mov      ecx, dword ptr [ebp-0x6C]
-       vmovups  xmm2, xmmword ptr [ebp-0x44]
-       vmovups  xmm3, xmmword ptr [ebp-0x34]
-                       ;; size=32 bbWeight=8 PerfScore 92.00
+                     ;; size=22 bbWeight=8 PerfScore 44.00
 G_M64904_IG22:        ; bbWeight=32, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ebp-0x70]
        mov      edx, eax
@@ -269,9 +267,7 @@ G_M64904_IG23:        ; bbWeight=8, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        call     [<unknown method>]
        ; gcrRegs -[ecx edx]
        mov      ecx, dword ptr [ebp-0x6C]
-       vmovups  xmm2, xmmword ptr [ebp-0x44]
-       vmovups  xmm3, xmmword ptr [ebp-0x34]
-                       ;; size=32 bbWeight=8 PerfScore 92.00
+                     ;; size=22 bbWeight=8 PerfScore 44.00
 G_M64904_IG24:        ; bbWeight=32, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ebp-0x70]
        shl      eax, 2
@@ -292,9 +288,9 @@ G_M64904_IG26:        ; bbWeight=32, gcrefRegs=00000000 {}, byrefRegs=00000000 {
        sub      edi, eax
        add      eax, eax
        sub      ebx, eax
-       mov      eax, dword ptr [ebp-0x74]
-       sbb      eax, 0
-       mov      dword ptr [ebp-0x74], eax
+       mov      edx, dword ptr [ebp-0x74]
+       sbb      edx, 0
+       mov      dword ptr [ebp-0x74], edx
        mov      dword ptr [ebp-0x10], edi
        mov      edi, dword ptr [ebp-0x48]
        jmp      G_M64904_IG18
@@ -385,6 +381,6 @@ RWD16   dq  7800780078007800h, 7800780078007800h
 RWD32      dq  A000A000A000A000h, A000A000A000A000h
 
 
-; Total bytes of code 682, prolog size 16, PerfScore 1263.75, instruction count 214, allocated bytes for code 682 (MethodHash=96570277) for method System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (Tier0-FullOpts)
+; Total bytes of code 661, prolog size 16, PerfScore 1178.42, instruction count 210, allocated bytes for code 661 (MethodHash=96570277) for method System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (Tier0-FullOpts)
 ; ============================================================

+10 (+66.67%) : 35114.dasm - System.Collections.Immutable.ImmutableArray1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray1[System.__Canon]:this (Tier1) 

@@ -13,9 +13,9 @@
 ;* V02 tmp1         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V03 tmp2         [V03    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon[]>
 ;  V04 tmp3         [V04,T03] (  2,  2   )     ref  ->  eax         single-def "field V01.array (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T02] (  2,  4   )     int  ->  ecx         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T04] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T01] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -25,18 +25,22 @@ G_M61652_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=3 bbWeight=1 PerfScore 1.25
 G_M61652_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[esi]
-       cmp      dword ptr [esi], esi
+       mov      ecx, dword ptr [esi]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x18]
+       test     ecx, ecx
        mov      ecx, esi
        ; gcrRegs +[ecx]
        call     [System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToArray():System.__Canon[]:this]
        ; gcrRegs -[ecx] +[eax]
        ; gcr arg pop 0
-                       ;; size=10 bbWeight=1 PerfScore 6.25
+                      ;; size=20 bbWeight=1 PerfScore 11.50
 G_M61652_IG03:        ; bbWeight=1, epilog, nogc, extend
        pop      esi
        ret      
                        ;; size=2 bbWeight=1 PerfScore 1.50
 
-; Total bytes of code 15, prolog size 1, PerfScore 9.00, instruction count 7, allocated bytes for code 15 (MethodHash=235c0f2b) for method System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
+; Total bytes of code 25, prolog size 1, PerfScore 14.25, instruction count 11, allocated bytes for code 25 (MethodHash=235c0f2b) for method System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
 ; ============================================================

+24 (+104.35%) : 13796.dasm - System.Collections.Immutable.ImmutableDictionary2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Canon,System.Canon]]):this (Tier1) 

@@ -15,13 +15,13 @@
 ;* V04 tmp1         [V04    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V05 tmp2         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "dup spill" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]>
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V07 tmp4         [V07,T05] (  3,  2.50)     ref  ->  ecx         single-def "V02.[000..004)"
-;* V08 cse0         [V08,T04] (  0,  0   )     int  ->  zero-ref    "CSE - aggressive"
-;* V09 rat0         [V09,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V07 tmp4         [V07,T05] (  3,  2.50)     ref  ->  eax         single-def "V02.[000..004)"
+;  V08 cse0         [V08,T04] (  3,  3   )     int  ->  ecx         "CSE - aggressive"
+;  V09 rat0         [V09,T03] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V10 rat1         [V10,T06] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V11 rat2         [V11,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V11 rat2         [V11,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;* V12 rat3         [V12,T07] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V13 rat4         [V13,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V13 rat4         [V13,T01] (  2,  4   )     int  ->  ecx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -31,22 +31,33 @@ G_M20412_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=3 bbWeight=1 PerfScore 1.25
 G_M20412_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[esi]
-       cmp      dword ptr [esi], esi
-       mov      ecx, gword ptr [esp+0x0C]
-       ; gcrRegs +[ecx]
+       mov      ecx, dword ptr [esi]
+       mov      eax, ecx
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x0C]
+       test     eax, eax
+       mov      eax, gword ptr [esp+0x0C]
+       ; gcrRegs +[eax]
+       mov      ecx, dword ptr [ecx+0x24]
+       mov      ecx, dword ptr [ecx]
+       mov      ecx, dword ptr [ecx+0x10]
        test     ecx, ecx
+       test     eax, eax
        je       SHORT G_M20412_IG04
-                       ;; size=10 bbWeight=1 PerfScore 5.25
-G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=00000042 {ecx esi}, byrefRegs=00000000 {}, byref
+                        ;; size=32 bbWeight=1 PerfScore 17.00
+G_M20412_IG03:        ; bbWeight=0.50, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, byref
+       mov      ecx, eax
+       ; gcrRegs +[ecx]
        call     [System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:Freeze():this]
-       ; gcrRegs -[ecx]
+       ; gcrRegs -[eax ecx]
        ; gcr arg pop 0
-                       ;; size=6 bbWeight=0.50 PerfScore 1.50
+                        ;; size=8 bbWeight=0.50 PerfScore 1.62
 G_M20412_IG04:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, epilog, nogc
        pop      esi
        ret      16
                        ;; size=4 bbWeight=1 PerfScore 2.50
 
-; Total bytes of code 23, prolog size 1, PerfScore 10.50, instruction count 9, allocated bytes for code 23 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
+; Total bytes of code 47, prolog size 1, PerfScore 22.38, instruction count 19, allocated bytes for code 47 (MethodHash=5457b043) for method System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
 ; ============================================================

+10 (+200.00%) : 44937.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (Tier1) 

@@ -14,9 +14,9 @@
 ;* V03 tmp2         [V03    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V01.m_task (fldOffset=0x0)" P-INDEP
-;* V06 rat0         [V06,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V06 rat0         [V06,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V07 rat1         [V07,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V08 rat2         [V08,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V08 rat2         [V08,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -24,14 +24,18 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x20]
+       test     eax, eax
        mov      eax, ecx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=14 bbWeight=1 PerfScore 8.50
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
+; Total bytes of code 15, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 15 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
 ; ============================================================

coreclr_tests.run.windows.x86.checked.mch

-39 (-5.91%) : 256550.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.Canon]:MergeWithGlobalList(System.Canon[]):this (Tier1) 

@@ -10,15 +10,15 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  8,  4.44)     ref  ->  esi         this class-hnd single-def <System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]>
-;  V01 arg1         [V01,T01] (  8,  3.72)     ref  ->  edi         class-hnd single-def <System.__Canon[]>
+;  V01 arg1         [V01,T01] (  8,  3.89)     ref  ->  edi         class-hnd single-def <System.__Canon[]>
 ;  V02 loc0         [V02,T02] ( 17,  4.80)     ref  ->  ebx         class-hnd <System.__Canon[]>
 ;  V03 loc1         [V03,T08] (  5,  1.11)     int  ->  [ebp-0x10]  spill-single-def
 ;  V04 loc2         [V04,T05] (  9,  2.00)     int  ->  [ebp-0x14] 
-;  V05 loc3         [V05,T06] (  6,  1.28)     int  ->  [ebp-0x18] 
+;  V05 loc3         [V05,T06] (  6,  1.44)     int  ->  [ebp-0x18] 
 ;  V06 loc4         [V06,T07] ( 10,  1.11)     ref  ->  [ebp-0x2C]  class-hnd spill-single-def <System.__Canon>
-;  V07 loc5         [V07,T10] (  3,  0.61)   ubyte  ->  [ebp-0x1C] 
-;  V08 loc6         [V08,T03] ( 11,  3.02)     int  ->  [ebp-0x20] 
-;  V09 loc7         [V09,T04] ( 11,  2.63)     ref  ->  [ebp-0x30]  class-hnd <System.__Canon>
+;  V07 loc5         [V07,T09] (  3,  0.78)   ubyte  ->  [ebp-0x1C] 
+;  V08 loc6         [V08,T04] ( 11,  3.02)     int  ->  [ebp-0x20] 
+;  V09 loc7         [V09,T03] ( 11,  2.80)     ref  ->  [ebp-0x30]  class-hnd <System.__Canon>
 ;  V10 loc8         [V10,T17] (  3,  0.22)     int  ->  [ebp-0x24] 
 ;  V11 loc9         [V11    ] (  3,  0.33)     ref  ->  [ebp-0x28]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.__Canon[]>
 ;* V12 tmp0         [V12    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
@@ -35,11 +35,10 @@
 ;* V23 tmp11        [V23    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon>
 ;  V24 rat0         [V24,T14] (  3,  0.49)     int  ->  edx         "Spilling to split statement for tree"
 ;  V25 rat1         [V25,T15] (  3,  0.44)     int  ->  ebx         "runtime lookup"
-;  V26 rat2         [V26,T09] (  3,  0.62)     int  ->  ebx         "fgMakeTemp is creating a new local variable"
-;  TEMP_02                                     ref  ->  [ebp-0x34]
-;  TEMP_01                                     int  ->  [ebp-0x38]
+;  V26 rat2         [V26,T10] (  3,  0.62)     int  ->  ebx         "fgMakeTemp is creating a new local variable"
+;  TEMP_01                                     ref  ->  [ebp-0x34]
 ;
-; Lcl frame size = 44
+; Lcl frame size = 40
 
 G_M8298_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -47,7 +46,7 @@ G_M8298_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
        push     edi
        push     esi
        push     ebx
-       sub      esp, 44
+       sub      esp, 40
        xor      eax, eax
        mov      dword ptr [ebp-0x28], eax
        mov      dword ptr [ebp-0x34], eax
@@ -60,7 +59,7 @@ G_M8298_IG02:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000
        mov      ebx, gword ptr [esi+0x04]
        ; gcrRegs +[ebx]
        test     ebx, ebx
-       jne      SHORT G_M8298_IG07
+       jne      SHORT G_M8298_IG05
                        ;; size=7 bbWeight=1 PerfScore 3.25
 G_M8298_IG03:        ; bbWeight=0.78, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[ebx]
@@ -78,36 +77,17 @@ G_M8298_IG04:        ; bbWeight=0.78, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=0.78 PerfScore 2.72
-G_M8298_IG05:        ; bbWeight=0.33, gcVars=00000080 {V06}, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs +[ecx ebx edi]
-       ; GC ptr vars +{V06 V07}
-       mov      gword ptr [ebp-0x30], ecx
-       ; GC ptr vars +{V09}
-       mov      edx, dword ptr [ecx+0x28]
-       mov      ecx, gword ptr [ebp-0x2C]
-       cmp      edx, dword ptr [ecx+0x28]
-       jne      G_M8298_IG15
-                       ;; size=18 bbWeight=0.33 PerfScore 2.64
-G_M8298_IG06:        ; bbWeight=2.67, gcVars=00000090 {V06 V09}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[ecx]
-       ; GC ptr vars -{V07}
-       mov      ecx, gword ptr [ebp-0x30]
-       ; gcrRegs +[ecx]
-       mov      dword ptr [ebp-0x20], eax
-       jmp      G_M8298_IG23
-                       ;; size=11 bbWeight=2.67 PerfScore 10.67
-G_M8298_IG07:        ; bbWeight=0.22, gcVars=00000000 {}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[ecx]
-       ; GC ptr vars -{V06 V09}
+G_M8298_IG05:        ; bbWeight=0.22, gcVars=00000000 {}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
+       ; gcrRegs +[ebx edi]
        mov      eax, dword ptr [ebx+0x04]
        mov      dword ptr [ebp-0x10], eax
        xor      edx, edx
        mov      dword ptr [ebp-0x14], edx
        xor      ecx, ecx
        cmp      dword ptr [edi+0x04], 0
-       jle      G_M8298_IG36
+       jle      G_M8298_IG35
                         ;; size=23 bbWeight=0.22 PerfScore 1.89
-G_M8298_IG08:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG06:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      dword ptr [ebp-0x18], ecx
        mov      eax, gword ptr [edi+4*ecx+0x08]
        ; gcrRegs +[eax]
@@ -118,133 +98,140 @@ G_M8298_IG08:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefReg
        mov      dword ptr [ebp-0x1C], eax
        xor      eax, eax
        cmp      dword ptr [ebp-0x10], 0
-       jg       SHORT G_M8298_IG12
+       jg       SHORT G_M8298_IG10
                         ;; size=23 bbWeight=0.22 PerfScore 1.89
-G_M8298_IG09:        ; bbWeight=0.22, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M8298_IG07:        ; bbWeight=0.22, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        cmp      dword ptr [ebp-0x1C], 0
-       jne      G_M8298_IG35
+       jne      G_M8298_IG34
        mov      edx, dword ptr [ebp-0x14]
        test     edx, edx
-       jne      SHORT G_M8298_IG10
+       jne      SHORT G_M8298_IG08
        mov      edx, eax
                        ;; size=19 bbWeight=0.22 PerfScore 1.22
-G_M8298_IG10:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
+G_M8298_IG08:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
        cmp      dword ptr [ebx+0x04], edx
-       jg       G_M8298_IG32
+       jg       G_M8298_IG31
                         ;; size=9 bbWeight=0.22 PerfScore 0.89
-G_M8298_IG11:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
-       jmp      G_M8298_IG25
+G_M8298_IG09:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
+       jmp      G_M8298_IG24
                        ;; size=5 bbWeight=0.11 PerfScore 0.22
-G_M8298_IG12:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG10:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        test     ebx, ebx
-       je       SHORT G_M8298_IG17
+       je       SHORT G_M8298_IG16
        mov      ecx, dword ptr [ebp-0x10]
        cmp      dword ptr [ebx+0x04], ecx
-       jl       SHORT G_M8298_IG17
+       jl       SHORT G_M8298_IG16
                       ;; size=12 bbWeight=0.11 PerfScore 0.69
-G_M8298_IG13:        ; bbWeight=0.89, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG11:        ; bbWeight=0.89, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      ecx, gword ptr [ebx+4*eax+0x08]
        ; gcrRegs +[ecx]
        test     ecx, ecx
-       je       SHORT G_M8298_IG09
+       je       SHORT G_M8298_IG07
                        ;; size=8 bbWeight=0.89 PerfScore 2.89
-G_M8298_IG14:        ; bbWeight=0.33, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref
+G_M8298_IG12:        ; bbWeight=0.33, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, gword ptr [ebp-0x2C]
        ; gcrRegs +[edx]
        cmp      dword ptr [edx], 0xD1FFAB1E
-       jne      G_M8298_IG41
+       jne      G_M8298_IG40
        cmp      dword ptr [ecx], 0xD1FFAB1E
-       je       G_M8298_IG05
-                       ;; size=27 bbWeight=0.33 PerfScore 2.97
-G_M8298_IG15:        ; bbWeight=0.55, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs -[ecx edx]
+       jne      SHORT G_M8298_IG13
+       mov      gword ptr [ebp-0x30], ecx
+       ; GC ptr vars +{V09}
+       mov      edx, dword ptr [ecx+0x28]
+       ; gcrRegs -[edx]
+       mov      ecx, gword ptr [ebp-0x2C]
+       cmp      edx, dword ptr [ecx+0x28]
+       je       SHORT G_M8298_IG15
+                       ;; size=37 bbWeight=0.33 PerfScore 5.61
+G_M8298_IG13:        ; bbWeight=0.55, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[ecx]
+       ; GC ptr vars -{V09}
        inc      eax
        mov      ecx, dword ptr [ebp-0x10]
        cmp      eax, ecx
-       jl       SHORT G_M8298_IG13
+       jl       SHORT G_M8298_IG11
                        ;; size=8 bbWeight=0.55 PerfScore 1.38
-G_M8298_IG16:        ; bbWeight=0.89, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       jmp      SHORT G_M8298_IG09
-                       ;; size=2 bbWeight=0.89 PerfScore 1.78
-G_M8298_IG17:        ; bbWeight=0.01, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       cmp      eax, dword ptr [ebx+0x04]
-       jae      G_M8298_IG40
+G_M8298_IG14:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       jmp      SHORT G_M8298_IG07
+                       ;; size=2 bbWeight=0.22 PerfScore 0.44
+G_M8298_IG15:        ; bbWeight=0.17, gcVars=00000088 {V06 V09}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; GC ptr vars +{V03 V09}
        mov      dword ptr [ebp-0x20], eax
+       jmp      SHORT G_M8298_IG22
+                       ;; size=5 bbWeight=0.17 PerfScore 0.49
+G_M8298_IG16:        ; bbWeight=0.01, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; GC ptr vars -{V03 V09}
+       cmp      eax, dword ptr [ebx+0x04]
+       jae      G_M8298_IG39
        mov      ecx, gword ptr [ebx+4*eax+0x08]
        ; gcrRegs +[ecx]
        test     ecx, ecx
-       je       SHORT G_M8298_IG21
-                       ;; size=20 bbWeight=0.01 PerfScore 0.07
-G_M8298_IG18:        ; bbWeight=0.00, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       je       SHORT G_M8298_IG07
+                       ;; size=17 bbWeight=0.01 PerfScore 0.06
+G_M8298_IG17:        ; bbWeight=0.00, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, gword ptr [ebp-0x2C]
        ; gcrRegs +[edx]
        cmp      dword ptr [edx], 0xD1FFAB1E
-       je       SHORT G_M8298_IG22
+       je       SHORT G_M8298_IG20
                         ;; size=11 bbWeight=0.00 PerfScore 0.02
-G_M8298_IG19:        ; bbWeight=0, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG18:        ; bbWeight=0, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs -[edx]
        mov      gword ptr [ebp-0x30], ecx
        ; GC ptr vars +{V09}
+       mov      dword ptr [ebp-0x20], eax
        mov      edx, gword ptr [ebp-0x2C]
        ; gcrRegs +[edx]
        mov      ecx, edx
        mov      gword ptr [ebp-0x34], ecx
        mov      edx, gword ptr [ebp-0x30]
        mov      ecx, gword ptr [ebp-0x2C]
-       mov      ecx, dword ptr [ecx]
-       ; gcrRegs -[ecx]
-       mov      ecx, dword ptr [ecx+0x2C]
-       mov      dword ptr [ebp-0x38], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x2C]
        mov      ecx, gword ptr [ebp-0x34]
-       ; gcrRegs +[ecx]
-       mov      eax, dword ptr [ebp-0x38]
        call     [eax+0x10]<unknown method>
        ; gcrRegs -[ecx edx]
        test     eax, eax
-       mov      ecx, gword ptr [ebp-0x30]
-       ; gcrRegs +[ecx]
-       jne      SHORT G_M8298_IG23
-                       ;; size=41 bbWeight=0 PerfScore 0.00
-G_M8298_IG20:        ; bbWeight=0.01, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[ecx]
-       ; GC ptr vars -{V09}
+       jne      SHORT G_M8298_IG22
        mov      eax, dword ptr [ebp-0x20]
+                     ;; size=38 bbWeight=0 PerfScore 0.00
+G_M8298_IG19:        ; bbWeight=0.01, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; GC ptr vars -{V09}
        inc      eax
        cmp      eax, dword ptr [ebp-0x10]
-       jge      G_M8298_IG09
-       jmp      SHORT G_M8298_IG17
-                       ;; size=15 bbWeight=0.01 PerfScore 0.03
-G_M8298_IG21:        ; bbWeight=0.00, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
-       mov      eax, dword ptr [ebp-0x20]
-       jmp      G_M8298_IG09
-                       ;; size=8 bbWeight=0.00 PerfScore 0.01
...

-39 (-5.91%) : 269946.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.Canon]:MergeWithGlobalList(System.Canon[]):this (Tier1) 

@@ -10,15 +10,15 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  8,  4.44)     ref  ->  esi         this class-hnd single-def <System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]>
-;  V01 arg1         [V01,T01] (  8,  3.72)     ref  ->  edi         class-hnd single-def <System.__Canon[]>
+;  V01 arg1         [V01,T01] (  8,  3.89)     ref  ->  edi         class-hnd single-def <System.__Canon[]>
 ;  V02 loc0         [V02,T02] ( 17,  4.80)     ref  ->  ebx         class-hnd <System.__Canon[]>
 ;  V03 loc1         [V03,T08] (  5,  1.11)     int  ->  [ebp-0x10]  spill-single-def
 ;  V04 loc2         [V04,T05] (  9,  2.00)     int  ->  [ebp-0x14] 
-;  V05 loc3         [V05,T06] (  6,  1.28)     int  ->  [ebp-0x18] 
+;  V05 loc3         [V05,T06] (  6,  1.44)     int  ->  [ebp-0x18] 
 ;  V06 loc4         [V06,T07] ( 10,  1.11)     ref  ->  [ebp-0x2C]  class-hnd spill-single-def <System.__Canon>
-;  V07 loc5         [V07,T10] (  3,  0.61)   ubyte  ->  [ebp-0x1C] 
-;  V08 loc6         [V08,T03] ( 11,  3.02)     int  ->  [ebp-0x20] 
-;  V09 loc7         [V09,T04] ( 11,  2.63)     ref  ->  [ebp-0x30]  class-hnd <System.__Canon>
+;  V07 loc5         [V07,T09] (  3,  0.78)   ubyte  ->  [ebp-0x1C] 
+;  V08 loc6         [V08,T04] ( 11,  3.02)     int  ->  [ebp-0x20] 
+;  V09 loc7         [V09,T03] ( 11,  2.80)     ref  ->  [ebp-0x30]  class-hnd <System.__Canon>
 ;  V10 loc8         [V10,T17] (  3,  0.22)     int  ->  [ebp-0x24] 
 ;  V11 loc9         [V11    ] (  3,  0.33)     ref  ->  [ebp-0x28]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.__Canon[]>
 ;* V12 tmp0         [V12    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
@@ -35,11 +35,10 @@
 ;* V23 tmp11        [V23    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon>
 ;  V24 rat0         [V24,T14] (  3,  0.49)     int  ->  edx         "Spilling to split statement for tree"
 ;  V25 rat1         [V25,T15] (  3,  0.44)     int  ->  ebx         "runtime lookup"
-;  V26 rat2         [V26,T09] (  3,  0.62)     int  ->  ebx         "fgMakeTemp is creating a new local variable"
-;  TEMP_02                                     ref  ->  [ebp-0x34]
-;  TEMP_01                                     int  ->  [ebp-0x38]
+;  V26 rat2         [V26,T10] (  3,  0.62)     int  ->  ebx         "fgMakeTemp is creating a new local variable"
+;  TEMP_01                                     ref  ->  [ebp-0x34]
 ;
-; Lcl frame size = 44
+; Lcl frame size = 40
 
 G_M8298_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -47,7 +46,7 @@ G_M8298_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
        push     edi
        push     esi
        push     ebx
-       sub      esp, 44
+       sub      esp, 40
        xor      eax, eax
        mov      dword ptr [ebp-0x28], eax
        mov      dword ptr [ebp-0x34], eax
@@ -60,7 +59,7 @@ G_M8298_IG02:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000
        mov      ebx, gword ptr [esi+0x04]
        ; gcrRegs +[ebx]
        test     ebx, ebx
-       jne      SHORT G_M8298_IG07
+       jne      SHORT G_M8298_IG05
                        ;; size=7 bbWeight=1 PerfScore 3.25
 G_M8298_IG03:        ; bbWeight=0.78, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[ebx]
@@ -78,36 +77,17 @@ G_M8298_IG04:        ; bbWeight=0.78, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=0.78 PerfScore 2.72
-G_M8298_IG05:        ; bbWeight=0.33, gcVars=00000080 {V06}, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs +[ecx ebx edi]
-       ; GC ptr vars +{V06 V07}
-       mov      gword ptr [ebp-0x30], ecx
-       ; GC ptr vars +{V09}
-       mov      edx, dword ptr [ecx+0x28]
-       mov      ecx, gword ptr [ebp-0x2C]
-       cmp      edx, dword ptr [ecx+0x28]
-       jne      G_M8298_IG15
-                       ;; size=18 bbWeight=0.33 PerfScore 2.64
-G_M8298_IG06:        ; bbWeight=2.67, gcVars=00000090 {V06 V09}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[ecx]
-       ; GC ptr vars -{V07}
-       mov      ecx, gword ptr [ebp-0x30]
-       ; gcrRegs +[ecx]
-       mov      dword ptr [ebp-0x20], eax
-       jmp      G_M8298_IG23
-                       ;; size=11 bbWeight=2.67 PerfScore 10.67
-G_M8298_IG07:        ; bbWeight=0.22, gcVars=00000000 {}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[ecx]
-       ; GC ptr vars -{V06 V09}
+G_M8298_IG05:        ; bbWeight=0.22, gcVars=00000000 {}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
+       ; gcrRegs +[ebx edi]
        mov      eax, dword ptr [ebx+0x04]
        mov      dword ptr [ebp-0x10], eax
        xor      edx, edx
        mov      dword ptr [ebp-0x14], edx
        xor      ecx, ecx
        cmp      dword ptr [edi+0x04], 0
-       jle      G_M8298_IG36
+       jle      G_M8298_IG35
                         ;; size=23 bbWeight=0.22 PerfScore 1.89
-G_M8298_IG08:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG06:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      dword ptr [ebp-0x18], ecx
        mov      eax, gword ptr [edi+4*ecx+0x08]
        ; gcrRegs +[eax]
@@ -118,133 +98,140 @@ G_M8298_IG08:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefReg
        mov      dword ptr [ebp-0x1C], eax
        xor      eax, eax
        cmp      dword ptr [ebp-0x10], 0
-       jg       SHORT G_M8298_IG12
+       jg       SHORT G_M8298_IG10
                         ;; size=23 bbWeight=0.22 PerfScore 1.89
-G_M8298_IG09:        ; bbWeight=0.22, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M8298_IG07:        ; bbWeight=0.22, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        cmp      dword ptr [ebp-0x1C], 0
-       jne      G_M8298_IG35
+       jne      G_M8298_IG34
        mov      edx, dword ptr [ebp-0x14]
        test     edx, edx
-       jne      SHORT G_M8298_IG10
+       jne      SHORT G_M8298_IG08
        mov      edx, eax
                        ;; size=19 bbWeight=0.22 PerfScore 1.22
-G_M8298_IG10:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
+G_M8298_IG08:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
        cmp      dword ptr [ebx+0x04], edx
-       jg       G_M8298_IG32
+       jg       G_M8298_IG31
                         ;; size=9 bbWeight=0.22 PerfScore 0.89
-G_M8298_IG11:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
-       jmp      G_M8298_IG25
+G_M8298_IG09:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
+       jmp      G_M8298_IG24
                        ;; size=5 bbWeight=0.11 PerfScore 0.22
-G_M8298_IG12:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG10:        ; bbWeight=0.11, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        test     ebx, ebx
-       je       SHORT G_M8298_IG17
+       je       SHORT G_M8298_IG16
        mov      ecx, dword ptr [ebp-0x10]
        cmp      dword ptr [ebx+0x04], ecx
-       jl       SHORT G_M8298_IG17
+       jl       SHORT G_M8298_IG16
                       ;; size=12 bbWeight=0.11 PerfScore 0.69
-G_M8298_IG13:        ; bbWeight=0.89, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG11:        ; bbWeight=0.89, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      ecx, gword ptr [ebx+4*eax+0x08]
        ; gcrRegs +[ecx]
        test     ecx, ecx
-       je       SHORT G_M8298_IG09
+       je       SHORT G_M8298_IG07
                        ;; size=8 bbWeight=0.89 PerfScore 2.89
-G_M8298_IG14:        ; bbWeight=0.33, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref
+G_M8298_IG12:        ; bbWeight=0.33, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, gword ptr [ebp-0x2C]
        ; gcrRegs +[edx]
        cmp      dword ptr [edx], 0xD1FFAB1E
-       jne      G_M8298_IG41
+       jne      G_M8298_IG40
        cmp      dword ptr [ecx], 0xD1FFAB1E
-       je       G_M8298_IG05
-                       ;; size=27 bbWeight=0.33 PerfScore 2.97
-G_M8298_IG15:        ; bbWeight=0.55, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs -[ecx edx]
+       jne      SHORT G_M8298_IG13
+       mov      gword ptr [ebp-0x30], ecx
+       ; GC ptr vars +{V09}
+       mov      edx, dword ptr [ecx+0x28]
+       ; gcrRegs -[edx]
+       mov      ecx, gword ptr [ebp-0x2C]
+       cmp      edx, dword ptr [ecx+0x28]
+       je       SHORT G_M8298_IG15
+                       ;; size=37 bbWeight=0.33 PerfScore 5.61
+G_M8298_IG13:        ; bbWeight=0.55, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[ecx]
+       ; GC ptr vars -{V09}
        inc      eax
        mov      ecx, dword ptr [ebp-0x10]
        cmp      eax, ecx
-       jl       SHORT G_M8298_IG13
+       jl       SHORT G_M8298_IG11
                        ;; size=8 bbWeight=0.55 PerfScore 1.38
-G_M8298_IG16:        ; bbWeight=0.89, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       jmp      SHORT G_M8298_IG09
-                       ;; size=2 bbWeight=0.89 PerfScore 1.78
-G_M8298_IG17:        ; bbWeight=0.01, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       cmp      eax, dword ptr [ebx+0x04]
-       jae      G_M8298_IG40
+G_M8298_IG14:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       jmp      SHORT G_M8298_IG07
+                       ;; size=2 bbWeight=0.22 PerfScore 0.44
+G_M8298_IG15:        ; bbWeight=0.17, gcVars=00000088 {V06 V09}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; GC ptr vars +{V03 V09}
        mov      dword ptr [ebp-0x20], eax
+       jmp      SHORT G_M8298_IG22
+                       ;; size=5 bbWeight=0.17 PerfScore 0.49
+G_M8298_IG16:        ; bbWeight=0.01, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; GC ptr vars -{V03 V09}
+       cmp      eax, dword ptr [ebx+0x04]
+       jae      G_M8298_IG39
        mov      ecx, gword ptr [ebx+4*eax+0x08]
        ; gcrRegs +[ecx]
        test     ecx, ecx
-       je       SHORT G_M8298_IG21
-                       ;; size=20 bbWeight=0.01 PerfScore 0.07
-G_M8298_IG18:        ; bbWeight=0.00, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       je       SHORT G_M8298_IG07
+                       ;; size=17 bbWeight=0.01 PerfScore 0.06
+G_M8298_IG17:        ; bbWeight=0.00, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, gword ptr [ebp-0x2C]
        ; gcrRegs +[edx]
        cmp      dword ptr [edx], 0xD1FFAB1E
-       je       SHORT G_M8298_IG22
+       je       SHORT G_M8298_IG20
                         ;; size=11 bbWeight=0.00 PerfScore 0.02
-G_M8298_IG19:        ; bbWeight=0, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M8298_IG18:        ; bbWeight=0, gcrefRegs=000000CA {ecx ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs -[edx]
        mov      gword ptr [ebp-0x30], ecx
        ; GC ptr vars +{V09}
+       mov      dword ptr [ebp-0x20], eax
        mov      edx, gword ptr [ebp-0x2C]
        ; gcrRegs +[edx]
        mov      ecx, edx
        mov      gword ptr [ebp-0x34], ecx
        mov      edx, gword ptr [ebp-0x30]
        mov      ecx, gword ptr [ebp-0x2C]
-       mov      ecx, dword ptr [ecx]
-       ; gcrRegs -[ecx]
-       mov      ecx, dword ptr [ecx+0x2C]
-       mov      dword ptr [ebp-0x38], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x2C]
        mov      ecx, gword ptr [ebp-0x34]
-       ; gcrRegs +[ecx]
-       mov      eax, dword ptr [ebp-0x38]
        call     [eax+0x10]<unknown method>
        ; gcrRegs -[ecx edx]
        test     eax, eax
-       mov      ecx, gword ptr [ebp-0x30]
-       ; gcrRegs +[ecx]
-       jne      SHORT G_M8298_IG23
-                       ;; size=41 bbWeight=0 PerfScore 0.00
-G_M8298_IG20:        ; bbWeight=0.01, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[ecx]
-       ; GC ptr vars -{V09}
+       jne      SHORT G_M8298_IG22
        mov      eax, dword ptr [ebp-0x20]
+                     ;; size=38 bbWeight=0 PerfScore 0.00
+G_M8298_IG19:        ; bbWeight=0.01, gcVars=00000080 {V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; GC ptr vars -{V09}
        inc      eax
        cmp      eax, dword ptr [ebp-0x10]
-       jge      G_M8298_IG09
-       jmp      SHORT G_M8298_IG17
-                       ;; size=15 bbWeight=0.01 PerfScore 0.03
-G_M8298_IG21:        ; bbWeight=0.00, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
-       mov      eax, dword ptr [ebp-0x20]
-       jmp      G_M8298_IG09
-                       ;; size=8 bbWeight=0.00 PerfScore 0.01
...

-35 (-5.89%) : 32138.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.Canon]:MergeWithGlobalList(System.Canon[]):this (Tier1) 

@@ -10,15 +10,15 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T09] (  8,  5.03)     ref  ->  [ebp-0x30]  this class-hnd single-def <System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]>
-;  V01 arg1         [V01,T01] (  8,280.11)     ref  ->  [ebp-0x34]  class-hnd single-def <System.__Canon[]>
-;  V02 loc0         [V02,T06] ( 17, 43.30)     ref  ->  [ebp-0x38]  class-hnd <System.__Canon[]>
-;  V03 loc1         [V03,T07] (  5, 37.34)     int  ->  [ebp-0x10]  spill-single-def
+;  V01 arg1         [V01,T04] (  8, 39.34)     ref  ->  [ebp-0x34]  class-hnd single-def <System.__Canon[]>
+;  V02 loc0         [V02,T03] ( 17, 43.30)     ref  ->  registers   class-hnd <System.__Canon[]>
+;  V03 loc1         [V03,T06] (  5, 37.34)     int  ->  [ebp-0x10]  spill-single-def
 ;  V04 loc2         [V04,T10] (  9,  6.58)     int  ->  [ebp-0x14] 
-;  V05 loc3         [V05,T02] (  6,279.63)     int  ->  [ebp-0x18] 
-;  V06 loc4         [V06,T08] (  9, 37.24)     ref  ->  [ebp-0x3C]  class-hnd spill-single-def <System.__Canon>
-;* V07 loc5         [V07,T03] (  0,  0   )   ubyte  ->  zero-ref   
-;  V08 loc6         [V08,T04] ( 11,142.22)     int  ->  [ebp-0x1C] 
-;  V09 loc7         [V09,T00] ( 10,413.84)     ref  ->  edi         class-hnd <System.__Canon>
+;  V05 loc3         [V05,T05] (  6, 38.87)     int  ->  [ebp-0x18] 
+;  V06 loc4         [V06,T07] (  9, 37.24)     ref  ->  [ebp-0x38]  class-hnd spill-single-def <System.__Canon>
+;* V07 loc5         [V07,T08] (  0,  0   )   ubyte  ->  zero-ref   
+;  V08 loc6         [V08,T01] ( 11,142.22)     int  ->  [ebp-0x1C] 
+;  V09 loc7         [V09,T00] ( 10,173.08)     ref  ->  edi         class-hnd <System.__Canon>
 ;  V10 loc8         [V10,T17] (  3,  0.32)     int  ->  [ebp-0x20] 
 ;  V11 loc9         [V11    ] (  3,  0.47)     ref  ->  [ebp-0x24]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.__Canon[]>
 ;* V12 tmp0         [V12    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
@@ -26,7 +26,7 @@
 ;* V14 tmp2         [V14    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "guarded devirt this exact temp" <System.Reflection.RuntimeMethodInfo>
 ;* V15 tmp3         [V15    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V16 tmp4         [V16    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "spilling QMark2" <System.Reflection.RuntimeMethodInfo>
-;* V17 tmp5         [V17,T05] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inline stloc first use temp" <System.Reflection.RuntimeMethodInfo>
+;* V17 tmp5         [V17,T02] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inline stloc first use temp" <System.Reflection.RuntimeMethodInfo>
 ;  V18 tmp6         [V18,T16] (  4,  0.43)     int  ->  [ebp-0x28]  "Inline return value spill temp"
 ;  V19 tmp7         [V19,T12] (  3,  0.71)     int  ->  edx         "Inlining Arg"
 ;  V20 tmp8         [V20,T18] (  3,  0.32)     int  ->  edx         "Inline return value spill temp"
@@ -36,10 +36,10 @@
 ;  V24 rat0         [V24,T14] (  3,  0.69)     int  ->  [ebp-0x2C]  spill-single-def "Spilling to split statement for tree"
 ;  V25 rat1         [V25,T15] (  3,  0.63)     int  ->  edx         "runtime lookup"
 ;  V26 rat2         [V26,T11] (  3,  0.88)     int  ->  edx         "fgMakeTemp is creating a new local variable"
-;  TEMP_02                                     ref  ->  [ebp-0x40]
-;  TEMP_01                                     int  ->  [ebp-0x44]
+;  TEMP_02                                     ref  ->  [ebp-0x3C]
+;  TEMP_01                                     int  ->  [ebp-0x40]
 ;
-; Lcl frame size = 56
+; Lcl frame size = 52
 
 G_M8298_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -47,10 +47,10 @@ G_M8298_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
        push     edi
        push     esi
        push     ebx
-       sub      esp, 56
+       sub      esp, 52
        xor      eax, eax
        mov      dword ptr [ebp-0x24], eax
-       mov      dword ptr [ebp-0x40], eax
+       mov      dword ptr [ebp-0x3C], eax
        mov      gword ptr [ebp-0x30], ecx
        ; GC ptr vars +{V00}
        mov      esi, edx
@@ -72,73 +72,68 @@ G_M8298_IG03:        ; bbWeight=0.89, gcrefRegs=00000048 {ebx esi}, byrefRegs=00
        mov      dword ptr [ebp-0x14], edx
        xor      ecx, ecx
        cmp      dword ptr [esi+0x04], 0
-       jle      G_M8298_IG17
+       jle      G_M8298_IG27
                         ;; size=23 bbWeight=0.89 PerfScore 7.61
 G_M8298_IG04:        ; bbWeight=0.89, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
        mov      dword ptr [ebp-0x18], ecx
        mov      edi, gword ptr [esi+4*ecx+0x08]
        ; gcrRegs +[edi]
-       mov      gword ptr [ebp-0x3C], edi
+       mov      gword ptr [ebp-0x38], edi
        ; GC ptr vars +{V06}
        xor      edx, edx
        test     eax, eax
        jle      SHORT G_M8298_IG12
                        ;; size=16 bbWeight=0.89 PerfScore 4.92
-G_M8298_IG05:        ; bbWeight=0.45, gcVars=00000300 {V00 V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M8298_IG05:        ; bbWeight=0.45, gcVars=00000280 {V00 V06}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        test     ebx, ebx
        je       SHORT G_M8298_IG11
        test     edi, edi
        je       SHORT G_M8298_IG10
        cmp      dword ptr [edi], 0xD1FFAB1E
-       jne      G_M8298_IG21
+       jne      SHORT G_M8298_IG18
        cmp      dword ptr [ebx+0x04], eax
        jl       SHORT G_M8298_IG09
-                       ;; size=25 bbWeight=0.45 PerfScore 4.70
+                       ;; size=21 bbWeight=0.45 PerfScore 4.70
 G_M8298_IG06:        ; bbWeight=34.60, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[edi]
-       mov      gword ptr [ebp-0x38], ebx
-       ; GC ptr vars +{V02}
        mov      edi, gword ptr [ebx+4*edx+0x08]
        ; gcrRegs +[edi]
        test     edi, edi
-       je       G_M8298_IG24
-                       ;; size=15 bbWeight=34.60 PerfScore 147.04
-G_M8298_IG07:        ; bbWeight=34.05, gcVars=00000340 {V00 V02 V06}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[ebx]
+       je       G_M8298_IG21
+                       ;; size=12 bbWeight=34.60 PerfScore 112.44
+G_M8298_IG07:        ; bbWeight=34.05, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        cmp      dword ptr [edi], 0xD1FFAB1E
-       jne      SHORT G_M8298_IG19
+       jne      SHORT G_M8298_IG16
        mov      eax, dword ptr [edi+0x28]
-       mov      ebx, gword ptr [ebp-0x3C]
-       ; gcrRegs +[ebx]
-       cmp      eax, dword ptr [ebx+0x28]
-       jne      SHORT G_M8298_IG19
+       mov      ecx, gword ptr [ebp-0x38]
+       ; gcrRegs +[ecx]
+       cmp      eax, dword ptr [ecx+0x28]
+       je       SHORT G_M8298_IG15
                      ;; size=19 bbWeight=34.05 PerfScore 374.56
-G_M8298_IG08:        ; bbWeight=275.16, gcVars=00000240 {V00 V02}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[ebx]
-       ; GC ptr vars -{V06}
-       jmp      SHORT G_M8298_IG15
-                       ;; size=2 bbWeight=275.16 PerfScore 550.32
-G_M8298_IG09:        ; bbWeight=0.22, gcVars=00000300 {V00 V06}, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[edi] +[ebx]
-       ; GC ptr vars -{V02} +{V08}
+G_M8298_IG08:        ; bbWeight=34.75, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[ecx edi]
+       mov      ecx, gword ptr [ebp-0x38]
+       ; gcrRegs +[ecx]
+       jmp      SHORT G_M8298_IG16
+                       ;; size=5 bbWeight=34.75 PerfScore 104.26
+G_M8298_IG09:        ; bbWeight=0.22, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[ecx]
        mov      eax, dword ptr [ebp-0x10]
-       jmp      SHORT G_M8298_IG21
+       jmp      SHORT G_M8298_IG18
                        ;; size=5 bbWeight=0.22 PerfScore 0.67
 G_M8298_IG10:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[edi]
-       jmp      SHORT G_M8298_IG21
+       jmp      SHORT G_M8298_IG18
                         ;; size=2 bbWeight=0.22 PerfScore 0.45
 G_M8298_IG11:        ; bbWeight=0.22, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       jmp      SHORT G_M8298_IG21
+       jmp      SHORT G_M8298_IG18
                       ;; size=2 bbWeight=0.22 PerfScore 0.45
-G_M8298_IG12:        ; bbWeight=0.45, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref
-       mov      gword ptr [ebp-0x38], ebx
-       ; GC ptr vars +{V02}
-       jmp      G_M8298_IG24
-                       ;; size=8 bbWeight=0.45 PerfScore 1.34
+G_M8298_IG12:        ; bbWeight=0.45, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       jmp      SHORT G_M8298_IG21
+                       ;; size=2 bbWeight=0.45 PerfScore 0.89
 G_M8298_IG13:        ; bbWeight=0.11, gcVars=00000200 {V00}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[ebx edi]
-       ; GC ptr vars -{V02 V08}
+       ; GC ptr vars -{V06}
        mov      edi, gword ptr [ebp-0x30]
        ; gcrRegs +[edi]
        lea      edx, bword ptr [edi+0x04]
@@ -155,9 +150,8 @@ G_M8298_IG14:        ; bbWeight=0.11, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=0.11 PerfScore 0.37
-G_M8298_IG15:        ; bbWeight=275.16, gcVars=00000240 {V00 V02}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs +[esi edi]
-       ; GC ptr vars +{V02 V06}
+G_M8298_IG15:        ; bbWeight=34.39, gcVars=00000200 {V00}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref
+       ; gcrRegs +[ebx esi edi]
        push     edi
        ; gcr arg push 0
        mov      ecx, esi
@@ -166,103 +160,65 @@ G_M8298_IG15:        ; bbWeight=275.16, gcVars=00000240 {V00 V02}, gcrefRegs=000
        call     CORINFO_HELP_ARRADDR_ST
        ; gcrRegs -[ecx edi]
        ; gcr arg pop 1
-                       ;; size=11 bbWeight=275.16 PerfScore 894.26
-G_M8298_IG16:        ; bbWeight=0.89, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
-       mov      ecx, dword ptr [ebp-0x18]
-       inc      ecx
-       cmp      dword ptr [esi+0x04], ecx
-       mov      eax, dword ptr [ebp-0x10]
-       mov      ebx, gword ptr [ebp-0x38]
-       ; gcrRegs +[ebx]
-       jg       G_M8298_IG04
-                       ;; size=19 bbWeight=0.89 PerfScore 6.49
-G_M8298_IG17:        ; bbWeight=0.89, gcVars=00000200 {V00}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[esi]
-       ; GC ptr vars -{V02 V06}
-       mov      edi, gword ptr [ebp-0x30]
-       ; gcrRegs +[edi]
-       lea      edx, bword ptr [edi+0x04]
-       ; byrRegs +[edx]
-       call     CORINFO_HELP_ASSIGN_REF_EBX
-       ; gcrRegs -[ebx edi]
-       ; byrRegs -[edx]
-                       ;; size=11 bbWeight=0.89 PerfScore 2.24
-G_M8298_IG18:        ; bbWeight=0.89, epilog, nogc, extend
-       lea      esp, [ebp-0x0C]
-       pop      ebx
-       pop      esi
-       pop      edi
-       pop      ebp
-       ret      
-                       ;; size=8 bbWeight=0.89 PerfScore 3.13
-G_M8298_IG19:        ; bbWeight=34.75, gcVars=00000340 {V00 V02 V06}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs +[esi]
-       ; GC ptr vars +{V02 V06 V08}
+       jmp      G_M8298_IG26
+                       ;; size=16 bbWeight=34.39 PerfScore 180.57
+G_M8298_IG16:        ; bbWeight=34.75, gcVars=00000280 {V00 V06}, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; GC ptr vars +{V06 V07}
        inc      edx
        cmp      edx, dword ptr [ebp-0x10]
-       mov      ebx, gword ptr [ebp-0x38]
-       ; gcrRegs +[ebx]
-       jl       G_M8298_IG06
-                       ;; size=13 bbWeight=34.75 PerfScore 147.71
-G_M8298_IG20:        ; bbWeight=0.45, gcVars=00000300 {V00 V06}, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; GC ptr vars -{V02 V06 V08}
-       mov      gword ptr [ebp-0x38], ebx
-       ; GC ptr vars +{V02}
-       jmp      SHORT G_M8298_IG24
+       jl       SHORT G_M8298_IG06
+                       ;; size=6 bbWeight=34.75 PerfScore 112.95
+G_M8298_IG17:        ; bbWeight=0.45, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
+       mov      edi, gword ptr [ebp-0x38]
+       ; gcrRegs +[edi]
+       jmp      SHORT G_M8298_IG21
                      ;; size=5 bbWeight=0.45 PerfScore 1.34
-G_M8298_IG21:        ; bbWeight=0.35, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
-       ; GC ptr vars -{V02}
+G_M8298_IG18:        ; bbWeight=0.35, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[edi]
        cmp      edx, dword ptr [ebx+0x04]
        jae      G_M8298_IG40
-       mov      gword ptr [ebp-0x38], ebx
-       ; GC ptr vars +{V02}
        mov      edi, gword ptr [ebx+4*edx+0x08]
        ; gcrRegs +[edi]
        test     edi, edi
-       je       SHORT G_M8298_IG24
-                       ;; size=20 bbWeight=0.35 PerfScore 2.88
-G_M8298_IG22:        ; bbWeight=0.34, gcVars=00000340 {V00 V02 V06}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs -[ebx]
-       ; GC ptr vars +{V06}
-       mov      eax, gword ptr [ebp-0x3C]
+       je       SHORT G_M8298_IG21
...

+14 (+140.00%) : 219134.dasm - Program:TestSystem.__Canon:int (FullOpts) 

@@ -8,26 +8,32 @@
 ; 0 inlinees with PGO data; 4 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T00] (  3,  3   )     int  ->  ecx         single-def
+;  V00 TypeCtx      [V00,T00] (  4,  4   )     int  ->  ecx         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewObj constructor temp" <MyInterfaceImpl`1[System.__Canon]>
 ;* V02 tmp1         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V03 rat0         [V03,T02] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V04 rat1         [V04,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V04 rat1         [V04,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
-; Lcl frame size = 0
+; Lcl frame size = 4
 
 G_M46698_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
        mov      ebp, esp
-                     ;; size=3 bbWeight=1 PerfScore 1.25
+       push     eax
+       mov      dword ptr [ebp-0x04], ecx
+                       ;; size=7 bbWeight=1 PerfScore 3.25
 G_M46698_IG02:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+       mov      eax, dword ptr [ecx+0x20]
+       mov      eax, dword ptr [eax+0x08]
+       test     eax, eax
        mov      eax, 100
-                     ;; size=5 bbWeight=1 PerfScore 0.25
+                       ;; size=13 bbWeight=1 PerfScore 4.50
 G_M46698_IG03:        ; bbWeight=1, epilog, nogc, extend
+       mov      esp, ebp
        pop      ebp
        ret      
-                     ;; size=2 bbWeight=1 PerfScore 1.50
+                       ;; size=4 bbWeight=1 PerfScore 1.75
 
-; Total bytes of code 10, prolog size 3, PerfScore 3.00, instruction count 5, allocated bytes for code 10 (MethodHash=498b4995) for method Program:Test[System.__Canon]():int (FullOpts)
+; Total bytes of code 24, prolog size 7, PerfScore 9.50, instruction count 11, allocated bytes for code 24 (MethodHash=498b4995) for method Program:Test[System.__Canon]():int (FullOpts)
 ; ============================================================

+14 (+140.00%) : 570903.dasm - HelperILDllTests:CallGenMethodFromGenericTypeSystem.__Canon:System.String (FullOpts) 

@@ -8,28 +8,34 @@
 ; 0 inlinees with PGO data; 4 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T00] (  3,  3   )     int  ->  ecx         single-def
+;  V00 TypeCtx      [V00,T00] (  4,  4   )     int  ->  ecx         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewObj constructor temp" <DerivedTypeGenericMethodActuallyOnBase`1[System.__Canon]>
 ;* V02 tmp1         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V03 tmp2         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 rat0         [V04,T02] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat1         [V05,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat1         [V05,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
-; Lcl frame size = 0
+; Lcl frame size = 4
 
 G_M45001_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
        mov      ebp, esp
-                     ;; size=3 bbWeight=1 PerfScore 1.25
+       push     eax
+       mov      dword ptr [ebp-0x04], ecx
+                       ;; size=7 bbWeight=1 PerfScore 3.25
 G_M45001_IG02:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+       mov      eax, dword ptr [ecx+0x20]
+       mov      eax, dword ptr [eax+0x08]
+       test     eax, eax
        mov      eax, 0xD1FFAB1E
        ; gcrRegs +[eax]
-                      ;; size=5 bbWeight=1 PerfScore 0.25
+                       ;; size=13 bbWeight=1 PerfScore 4.50
 G_M45001_IG03:        ; bbWeight=1, epilog, nogc, extend
+       mov      esp, ebp
        pop      ebp
        ret      
-                     ;; size=2 bbWeight=1 PerfScore 1.50
+                       ;; size=4 bbWeight=1 PerfScore 1.75
 
-; Total bytes of code 10, prolog size 3, PerfScore 3.00, instruction count 5, allocated bytes for code 10 (MethodHash=591e5036) for method HelperILDllTests:CallGenMethodFromGenericType[System.__Canon]():System.String (FullOpts)
+; Total bytes of code 24, prolog size 7, PerfScore 9.50, instruction count 11, allocated bytes for code 24 (MethodHash=591e5036) for method HelperILDllTests:CallGenMethodFromGenericType[System.__Canon]():System.String (FullOpts)
 ; ============================================================

+31 (+516.67%) : 520794.dasm - ILGEN0x2dda4eb5:Method0xa084659a():ushort (FullOpts) 

@@ -8,19 +8,29 @@
 ; Final local variable assignments
 ;
 ;* V00 loc0         [V00,T01] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <<unknown class>>
-;* V01 tmp0         [V01,T00] (  0,  0   )     ref  ->  zero-ref    single-def "arr expr"
+;  V01 tmp0         [V01,T00] (  2,  4   )     ref  ->  eax         single-def "arr expr"
 ;
 ; Lcl frame size = 0
 
 G_M5817_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
-                        ;; size=0 bbWeight=1 PerfScore 0.00
+       vzeroupper 
+                       ;; size=3 bbWeight=1 PerfScore 1.00
 G_M5817_IG02:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+       mov      ecx, 0xD1FFAB1E      ; <unknown class>
+       mov      edx, 41
+       call     CORINFO_HELP_NEWARR_1_ALIGN8
+       ; gcrRegs +[eax]
+       vmovsd   xmm0, qword ptr [@RWD00]
+       vucomisd xmm0, qword ptr [eax+0x40]
        mov      eax, 100
-                       ;; size=5 bbWeight=1 PerfScore 0.25
+       ; gcrRegs -[eax]
+                       ;; size=33 bbWeight=1 PerfScore 9.75
 G_M5817_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
+RWD00      dq  401C000000000000h   ;            7
 
-; Total bytes of code 6, prolog size 0, PerfScore 1.25, instruction count 2, allocated bytes for code 6 (MethodHash=cc10e946) for method ILGEN_0x2dda4eb5:Method_0xa084659a():ushort (FullOpts)
+
+; Total bytes of code 37, prolog size 3, PerfScore 11.75, instruction count 8, allocated bytes for code 37 (MethodHash=cc10e946) for method ILGEN_0x2dda4eb5:Method_0xa084659a():ushort (FullOpts)
 ; ============================================================

libraries.crossgen2.windows.x86.checked.mch

-46 (-7.15%) : 239494.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:MethodsDifferOnlyByReturnType(System.Reflection.MethodBase,System.Reflection.MethodBase):ubyte:this (FullOpts) 

@@ -11,24 +11,25 @@
 ;
 ;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def <Microsoft.VisualBasic.CompilerServices.VBBinder>
 ;  V01 arg1         [V01,T10] (  3,  3   )     ref  ->  edx         class-hnd single-def <System.Reflection.MethodBase>
-;  V02 arg2         [V02,T15] (  1,  1   )     ref  ->  [ebp+0x08]  class-hnd single-def <System.Reflection.MethodBase>
-;  V03 loc0         [V03,T11] (  3,  2   )   ubyte  ->  eax        
-;  V04 loc1         [V04,T03] ( 13, 13.08)     ref  ->  esi         class-hnd single-def <<unknown class>>
-;  V05 loc2         [V05,T04] ( 13, 13.08)     ref  ->  edi         class-hnd single-def <<unknown class>>
-;  V06 loc3         [V06,T00] ( 37, 56.16)     int  ->  [ebp-0x10] 
-;  V07 loc4         [V07,T01] ( 10, 16   )     ref  ->  [ebp-0x14]  class-hnd <<unknown class>>
-;  V08 loc5         [V08,T02] ( 10, 16   )     ref  ->  [ebp-0x18]  class-hnd <<unknown class>>
+;  V02 arg2         [V02,T16] (  1,  1   )     ref  ->  [ebp+0x08]  class-hnd single-def <System.Reflection.MethodBase>
+;  V03 loc0         [V03,T12] (  3,  2   )   ubyte  ->  eax        
+;  V04 loc1         [V04,T04] (  9, 12.04)     ref  ->  esi         class-hnd single-def <<unknown class>>
+;  V05 loc2         [V05,T03] ( 13, 13.08)     ref  ->  edi         class-hnd single-def <<unknown class>>
+;  V06 loc3         [V06,T00] ( 32, 59.62)     int  ->  [ebp-0x10] 
+;  V07 loc4         [V07,T01] ( 10, 16   )     ref  ->  [ebp-0x18]  class-hnd <<unknown class>>
+;  V08 loc5         [V08,T02] ( 10, 16   )     ref  ->  [ebp-0x1C]  class-hnd <<unknown class>>
 ;  V09 loc6         [V09,T05] (  8,  9   )     int  ->  ebx         single-def
-;* V10 loc7         [V10,T16] (  0,  0   )     int  ->  zero-ref    single-def
-;  V11 loc8         [V11,T06] (  6,  6   )     int  ->  edi         single-def
+;* V10 loc7         [V10,T17] (  0,  0   )     int  ->  zero-ref    single-def
+;  V11 loc8         [V11,T11] (  3,  5   )     int  ->  edi         single-def
 ;  V12 loc9         [V12,T07] (  6,  6   )     int  ->  esi         single-def
 ;  V13 tmp0         [V13,T08] (  3,  6   )     int  ->  ebx         "non-inline candidate call"
-;  V14 tmp1         [V14,T12] (  2,  2   )     int  ->  ebx         "non-inline candidate call"
-;  V15 tmp2         [V15,T13] (  2,  2   )     int  ->  ebx         "non-inline candidate call"
-;  V16 tmp3         [V16,T14] (  2,  2   )     int  ->  ebx         "Inline return value spill temp"
+;  V14 tmp1         [V14,T13] (  2,  2   )     int  ->  ebx         "non-inline candidate call"
+;  V15 tmp2         [V15,T14] (  2,  2   )     int  ->  ebx         "non-inline candidate call"
+;  V16 tmp3         [V16,T15] (  2,  2   )     int  ->  ebx         "Inline return value spill temp"
 ;  V17 tmp4         [V17,T09] (  3,  6   )     int  ->  eax         "Inlining Arg"
+;  V18 cse0         [V18,T06] (  8,  7.58)     int  ->  [ebp-0x14]  multi-def "CSE - moderate"
 ;
-; Lcl frame size = 12
+; Lcl frame size = 16
 
 G_M40132_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -36,7 +37,7 @@ G_M40132_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 12
+       sub      esp, 16
                       ;; size=9 bbWeight=1 PerfScore 4.50
 G_M40132_IG02:        ; bbWeight=1, gcrefRegs=00000004 {edx}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[edx]
@@ -72,11 +73,12 @@ G_M40132_IG02:        ; bbWeight=1, gcrefRegs=00000004 {edx}, byrefRegs=00000000
        xor      eax, eax
        test     ebx, ebx
        jl       G_M40132_IG14
-       cmp      dword ptr [esi+0x04], ebx
+       mov      edx, dword ptr [esi+0x04]
+       cmp      edx, ebx
        jle      G_M40132_IG09
        cmp      dword ptr [edi+0x04], ebx
        jle      SHORT G_M40132_IG09
-                      ;; size=80 bbWeight=1 PerfScore 37.00
+                     ;; size=82 bbWeight=1 PerfScore 36.25
 G_M40132_IG03:        ; bbWeight=3.96, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      dword ptr [ebp-0x10], eax
        mov      ecx, gword ptr [esi+4*eax+0x08]
@@ -84,7 +86,7 @@ G_M40132_IG03:        ; bbWeight=3.96, gcrefRegs=000000C0 {esi edi}, byrefRegs=0
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x14], eax
+       mov      gword ptr [ebp-0x18], eax
        ; GC ptr vars +{V07}
        mov      ecx, eax
        ; gcrRegs +[ecx]
@@ -95,12 +97,12 @@ G_M40132_IG03:        ; bbWeight=3.96, gcrefRegs=000000C0 {esi edi}, byrefRegs=0
        je       SHORT G_M40132_IG05
                        ;; size=32 bbWeight=3.96 PerfScore 69.30
 G_M40132_IG04:        ; bbWeight=1.98, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
-       mov      ecx, gword ptr [ebp-0x14]
+       mov      ecx, gword ptr [ebp-0x18]
        ; gcrRegs +[ecx]
        ; GC ptr vars -{V07}
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x14], eax
+       mov      gword ptr [ebp-0x18], eax
        ; GC ptr vars +{V07}
                        ;; size=12 bbWeight=1.98 PerfScore 9.90
 G_M40132_IG05:        ; bbWeight=3.96, gcVars=00000002 {V07}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
@@ -111,7 +113,7 @@ G_M40132_IG05:        ; bbWeight=3.96, gcVars=00000002 {V07}, gcrefRegs=000000C0
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x18], eax
+       mov      gword ptr [ebp-0x1C], eax
        ; GC ptr vars +{V08}
        mov      ecx, eax
        ; gcrRegs +[ecx]
@@ -122,42 +124,43 @@ G_M40132_IG05:        ; bbWeight=3.96, gcVars=00000002 {V07}, gcrefRegs=000000C0
        je       SHORT G_M40132_IG07
                        ;; size=32 bbWeight=3.96 PerfScore 69.30
 G_M40132_IG06:        ; bbWeight=1.98, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
-       mov      ecx, gword ptr [ebp-0x18]
+       mov      ecx, gword ptr [ebp-0x1C]
        ; gcrRegs +[ecx]
        ; GC ptr vars -{V08}
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x18], eax
+       mov      gword ptr [ebp-0x1C], eax
        ; GC ptr vars +{V08}
                        ;; size=12 bbWeight=1.98 PerfScore 9.90
 G_M40132_IG07:        ; bbWeight=3.96, gcVars=00000006 {V07 V08}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax]
-       mov      edx, gword ptr [ebp-0x14]
+       mov      edx, gword ptr [ebp-0x18]
        ; gcrRegs +[edx]
-       cmp      edx, gword ptr [ebp-0x18]
+       cmp      edx, gword ptr [ebp-0x1C]
        jne      G_M40132_IG15
        mov      edx, dword ptr [ebp-0x10]
        ; gcrRegs -[edx]
        add      edx, 1
-       jo       G_M40132_IG26
+       jo       G_M40132_IG24
        cmp      edx, ebx
        mov      eax, edx
        jle      SHORT G_M40132_IG03
                        ;; size=30 bbWeight=3.96 PerfScore 30.69
-G_M40132_IG08:        ; bbWeight=1, gcVars=00000000 {}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref
+G_M40132_IG08:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref
        ; GC ptr vars -{V07 V08}
        jmp      G_M40132_IG14
-                        ;; size=5 bbWeight=1 PerfScore 2.00
+                       ;; size=5 bbWeight=0.50 PerfScore 1.00
 G_M40132_IG09:        ; bbWeight=0.04, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
-       cmp      eax, dword ptr [esi+0x04]
-       jae      G_M40132_IG27
+       mov      edx, dword ptr [esi+0x04]
+       cmp      eax, edx
+       jae      G_M40132_IG25
        mov      dword ptr [ebp-0x10], eax
        mov      ecx, gword ptr [esi+4*eax+0x08]
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x14], eax
+       mov      gword ptr [ebp-0x18], eax
        ; GC ptr vars +{V07}
        mov      ecx, eax
        ; gcrRegs +[ecx]
@@ -166,28 +169,28 @@ G_M40132_IG09:        ; bbWeight=0.04, gcrefRegs=000000C0 {esi edi}, byrefRegs=0
        ; gcrRegs -[eax ecx]
        test     eax, eax
        je       SHORT G_M40132_IG11
-                      ;; size=41 bbWeight=0.04 PerfScore 0.86
+                       ;; size=43 bbWeight=0.04 PerfScore 0.83
 G_M40132_IG10:        ; bbWeight=0.02, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
-       mov      ecx, gword ptr [ebp-0x14]
+       mov      ecx, gword ptr [ebp-0x18]
        ; gcrRegs +[ecx]
        ; GC ptr vars -{V07}
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x14], eax
+       mov      gword ptr [ebp-0x18], eax
        ; GC ptr vars +{V07}
                        ;; size=12 bbWeight=0.02 PerfScore 0.10
 G_M40132_IG11:        ; bbWeight=0.04, gcVars=00000002 {V07}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax]
        mov      edx, dword ptr [ebp-0x10]
        cmp      edx, dword ptr [edi+0x04]
-       jae      G_M40132_IG27
+       jae      G_M40132_IG25
        mov      dword ptr [ebp-0x10], edx
        mov      ecx, gword ptr [edi+4*edx+0x08]
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x18], eax
+       mov      gword ptr [ebp-0x1C], eax
        ; GC ptr vars +{V08}
        mov      ecx, eax
        ; gcrRegs +[ecx]
@@ -198,36 +201,37 @@ G_M40132_IG11:        ; bbWeight=0.04, gcVars=00000002 {V07}, gcrefRegs=000000C0
        je       SHORT G_M40132_IG13
                        ;; size=44 bbWeight=0.04 PerfScore 0.90
 G_M40132_IG12:        ; bbWeight=0.02, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
-       mov      ecx, gword ptr [ebp-0x18]
+       mov      ecx, gword ptr [ebp-0x1C]
        ; gcrRegs +[ecx]
        ; GC ptr vars -{V08}
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
        mov      ecx, eax
        ; gcrRegs +[ecx]
-       mov      gword ptr [ebp-0x18], ecx
+       mov      gword ptr [ebp-0x1C], ecx
        ; GC ptr vars +{V08}
                        ;; size=14 bbWeight=0.02 PerfScore 0.11
 G_M40132_IG13:        ; bbWeight=0.04, gcVars=00000006 {V07 V08}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax ecx]
-       mov      edx, gword ptr [ebp-0x14]
+       mov      edx, gword ptr [ebp-0x18]
        ; gcrRegs +[edx]
-       cmp      edx, gword ptr [ebp-0x18]
+       cmp      edx, gword ptr [ebp-0x1C]
        jne      SHORT G_M40132_IG15
        mov      eax, dword ptr [ebp-0x10]
        add      eax, 1
-       jo       G_M40132_IG26
+       jo       G_M40132_IG24
        cmp      eax, ebx
        jle      G_M40132_IG09
                        ;; size=28 bbWeight=0.04 PerfScore 0.30
 G_M40132_IG14:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[edx]
        ; GC ptr vars -{V07 V08}
-       mov      ecx, dword ptr [esi+0x04]
-       cmp      ecx, dword ptr [edi+0x04]
-       jle      G_M40132_IG20
+       mov      edx, dword ptr [esi+0x04]
+       mov      dword ptr [ebp-0x14], edx
+       cmp      edx, dword ptr [edi+0x04]
+       jle      SHORT G_M40132_IG18
        add      ebx, 1
-       jo       G_M40132_IG26
+       jo       G_M40132_IG24
        mov      ecx, edi
        ; gcrRegs +[ecx]
        xor      edx, edx
@@ -235,21 +239,18 @@ G_M40132_IG14:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=000000C0 {e
        ; gcrRegs -[ecx edi]
        mov      edi, eax
        cmp      ebx, edi
-       jg       G_M40132_IG24
-       mov      ecx, ebx
-       or       ecx, edi
-       jl       SHORT G_M40132_IG18
-       cmp      dword ptr [esi+0x04], edi
-       jle      SHORT G_M40132_IG18
+       jg       G_M40132_IG22
        jmp      SHORT G_M40132_IG16
-                        ;; size=54 bbWeight=0.50 PerfScore 9.88
+                       ;; size=42 bbWeight=0.50 PerfScore 7.62
 G_M40132_IG15:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[esi]
        xor      eax, eax
-       jmp      G_M40132_IG25
+       jmp      G_M40132_IG23
...

-17 (-5.04%) : 149540.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceMemberContainerTypeSymbol:IsConflictingOperatorOverloading(Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol,int,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.Symbol],int,Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag):ubyte:this (FullOpts) 

@@ -9,7 +9,7 @@
 ; 0 inlinees with PGO data; 3 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T07] (  3,  2.50)     ref  ->  ebx         this class-hnd single-def <Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceMemberContainerTypeSymbol>
+;  V00 this         [V00,T07] (  3,  2.50)     ref  ->  [ebp-0x1C]  this class-hnd single-def <Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceMemberContainerTypeSymbol>
 ;  V01 arg1         [V01,T02] (  8,  7   )     ref  ->  esi         class-hnd single-def <Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol>
 ;  V02 arg2         [V02,T09] (  2,  2   )     int  ->  [ebp+0x14]  single-def
 ;* V03 arg3         [V03    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op single-def <System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.Symbol]>
@@ -18,16 +18,16 @@
 ;  V06 loc0         [V06,T08] (  3,  2   )   ubyte  ->  eax        
 ;  V07 loc1         [V07,T03] (  6,  8   )     int  ->  [ebp-0x10]  spill-single-def
 ;  V08 loc2         [V08,T00] ( 12, 19.04)     int  ->  [ebp-0x14] 
-;  V09 loc3         [V09,T01] (  6, 10   )     ref  ->  [ebp-0x1C]  class-hnd <Microsoft.CodeAnalysis.VisualBasic.Symbol>
-;  V10 loc4         [V10,T04] (  7,  6.50)     ref  ->  [ebp-0x20]  class-hnd <Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol>
+;  V09 loc3         [V09,T01] (  6, 10   )     ref  ->  ebx         class-hnd <Microsoft.CodeAnalysis.VisualBasic.Symbol>
+;  V10 loc4         [V10,T04] (  7,  6.50)     ref  ->  ebx         class-hnd <Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol>
 ;  V11 loc5         [V11,T06] (  5,  4.50)     int  ->  [ebp-0x18] 
 ;* V12 loc6         [V12    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.Location]>
 ;* V13 tmp0         [V13    ] (  0,  0   )     int  ->  zero-ref    "non-inline candidate call"
 ;  V14 tmp1         [V14,T05] (  5,  6.04)     ref  ->  edi         single-def "field V03.array (fldOffset=0x0)" P-INDEP
 ;  V15 tmp2         [V15,T10] (  3,  1.50)     ref  ->  eax         "field V12.array (fldOffset=0x0)" P-INDEP
-;  TEMP_01                                     int  ->  [ebp-0x24]
+;  TEMP_01                                     int  ->  [ebp-0x20]
 ;
-; Lcl frame size = 24
+; Lcl frame size = 20
 
 G_M32789_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -35,131 +35,125 @@ G_M32789_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 24
-       mov      ebx, ecx
-       ; gcrRegs +[ebx]
+       sub      esp, 20
+       mov      gword ptr [ebp-0x1C], ecx
+       ; GC ptr vars +{V00}
        mov      esi, edx
        ; gcrRegs +[esi]
        mov      edi, gword ptr [ebp+0x10]
        ; gcrRegs +[edi]
-                      ;; size=16 bbWeight=1 PerfScore 6.00
-G_M32789_IG02:        ; bbWeight=1, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+                      ;; size=17 bbWeight=1 PerfScore 6.75
+G_M32789_IG02:        ; bbWeight=1, gcVars=00000080 {V00}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        mov      edx, dword ptr [edi+0x04]
        dec      edx
        mov      dword ptr [ebp-0x10], edx
        mov      ecx, dword ptr [ebp+0x0C]
        cmp      ecx, edx
        jg       G_M32789_IG10
-       mov      eax, ecx
-       or       eax, edx
+       mov      ebx, ecx
+       or       ebx, edx
        jl       SHORT G_M32789_IG07
        cmp      dword ptr [edi+0x04], edx
        jle      SHORT G_M32789_IG07
                        ;; size=29 bbWeight=1 PerfScore 11.00
-G_M32789_IG03:        ; bbWeight=3.96, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M32789_IG03:        ; bbWeight=3.96, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      dword ptr [ebp-0x14], ecx
-       mov      eax, gword ptr [edi+4*ecx+0x08]
-       ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x1C], eax
-       ; GC ptr vars +{V09}
-       mov      ecx, eax
+       mov      ebx, gword ptr [edi+4*ecx+0x08]
+       ; gcrRegs +[ebx]
+       mov      ecx, ebx
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
-       ; gcrRegs -[eax ecx]
+       ; gcrRegs -[ecx]
        cmp      eax, 9
        jne      SHORT G_M32789_IG05
-                      ;; size=25 bbWeight=3.96 PerfScore 45.54
+                      ;; size=22 bbWeight=3.96 PerfScore 41.58
 G_M32789_IG04:        ; bbWeight=1.98, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       mov      ecx, gword ptr [ebp-0x1C]
+       mov      ecx, ebx
        ; gcrRegs +[ecx]
-       ; GC ptr vars -{V09}
        call     [CORINFO_HELP_READYTORUN_CHKCAST]
-       ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x20], eax
-       ; GC ptr vars +{V10}
-       mov      ecx, eax
+       ; gcrRegs -[ecx ebx] +[eax]
+       mov      ebx, eax
+       ; gcrRegs +[ebx]
+       mov      ecx, ebx
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[eax ecx]
-       mov      dword ptr [ebp-0x24], eax
+       mov      dword ptr [ebp-0x20], eax
        mov      ecx, esi
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx]
-       cmp      dword ptr [ebp-0x24], eax
+       cmp      dword ptr [ebp-0x20], eax
        jne      SHORT G_M32789_IG05
        push     0x3FFC6
        push     0
        mov      ecx, esi
        ; gcrRegs +[ecx]
-       mov      edx, gword ptr [ebp-0x20]
+       mov      edx, ebx
        ; gcrRegs +[edx]
        call     [<unknown method>]
        ; gcrRegs -[ecx edx]
-       mov      edx, dword ptr [ebp+0x14]
-       test     eax, edx
+       test     eax, dword ptr [ebp+0x14]
        mov      dword ptr [ebp-0x18], eax
-       mov      dword ptr [ebp+0x14], edx
        je       G_M32789_IG11
-                     ;; size=75 bbWeight=1.98 PerfScore 63.36
-G_M32789_IG05:        ; bbWeight=3.96, gcVars=00000000 {}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; GC ptr vars -{V10}
-       mov      ecx, dword ptr [ebp-0x14]
-       inc      ecx
-       mov      eax, dword ptr [ebp-0x10]
-       cmp      ecx, eax
+                     ;; size=67 bbWeight=1.98 PerfScore 58.41
+G_M32789_IG05:        ; bbWeight=3.96, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[ebx]
+       mov      ebx, dword ptr [ebp-0x14]
+       inc      ebx
+       cmp      ebx, dword ptr [ebp-0x10]
+       mov      ecx, ebx
        jle      SHORT G_M32789_IG03
-                      ;; size=11 bbWeight=3.96 PerfScore 13.86
-G_M32789_IG06:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs -[ebx esi edi]
+                      ;; size=11 bbWeight=3.96 PerfScore 17.82
+G_M32789_IG06:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs -[esi edi]
+       ; GC ptr vars -{V00}
        jmp      SHORT G_M32789_IG10
-                       ;; size=2 bbWeight=1 PerfScore 2.00
-G_M32789_IG07:        ; bbWeight=0.04, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs +[ebx esi edi]
+                      ;; size=2 bbWeight=0.50 PerfScore 1.00
+G_M32789_IG07:        ; bbWeight=0.04, gcVars=00000080 {V00}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs +[esi edi]
+       ; GC ptr vars +{V00 V07}
        cmp      ecx, dword ptr [edi+0x04]
        jae      G_M32789_IG13
        mov      dword ptr [ebp-0x14], ecx
-       mov      eax, gword ptr [edi+4*ecx+0x08]
-       ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x1C], eax
-       ; GC ptr vars +{V09}
-       mov      ecx, eax
+       mov      ebx, gword ptr [edi+4*ecx+0x08]
+       ; gcrRegs +[ebx]
+       mov      ecx, ebx
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
-       ; gcrRegs -[eax ecx]
+       ; gcrRegs -[ecx]
        cmp      eax, 9
        jne      SHORT G_M32789_IG09
-                      ;; size=34 bbWeight=0.04 PerfScore 0.62
+                       ;; size=31 bbWeight=0.04 PerfScore 0.58
 G_M32789_IG08:        ; bbWeight=0.02, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
-       mov      ecx, gword ptr [ebp-0x1C]
+       mov      ecx, ebx
        ; gcrRegs +[ecx]
-       ; GC ptr vars -{V09}
        call     [CORINFO_HELP_READYTORUN_CHKCAST]
-       ; gcrRegs -[ecx] +[eax]
-       mov      gword ptr [ebp-0x20], eax
-       ; GC ptr vars +{V10}
-       mov      ecx, eax
+       ; gcrRegs -[ecx ebx] +[eax]
+       mov      ebx, eax
+       ; gcrRegs +[ebx]
+       mov      ecx, ebx
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[eax ecx]
-       mov      dword ptr [ebp-0x24], eax
+       mov      dword ptr [ebp-0x20], eax
        mov      ecx, esi
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx]
-       cmp      dword ptr [ebp-0x24], eax
+       cmp      dword ptr [ebp-0x20], eax
        jne      SHORT G_M32789_IG09
        push     0x3FFC6
        push     0
        mov      ecx, esi
        ; gcrRegs +[ecx]
-       mov      edx, gword ptr [ebp-0x20]
+       mov      edx, ebx
        ; gcrRegs +[edx]
        call     [<unknown method>]
        ; gcrRegs -[ecx edx]
@@ -168,42 +162,43 @@ G_M32789_IG08:        ; bbWeight=0.02, gcrefRegs=000000C8 {ebx esi edi}, byrefRe
        test     eax, ecx
        mov      dword ptr [ebp+0x14], ecx
        je       SHORT G_M32789_IG11
-                      ;; size=71 bbWeight=0.02 PerfScore 0.64
-G_M32789_IG09:        ; bbWeight=0.04, gcVars=00000000 {}, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; GC ptr vars -{V10}
-       mov      eax, dword ptr [ebp-0x14]
-       inc      eax
+                      ;; size=68 bbWeight=0.02 PerfScore 0.60
+G_M32789_IG09:        ; bbWeight=0.04, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[ebx]
+       mov      ebx, dword ptr [ebp-0x14]
+       inc      ebx
        mov      edx, dword ptr [ebp-0x10]
-       cmp      eax, edx
-       mov      ecx, eax
+       cmp      ebx, edx
+       mov      ecx, ebx
        jle      SHORT G_M32789_IG07
                        ;; size=13 bbWeight=0.04 PerfScore 0.15
-G_M32789_IG10:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs -[ebx esi edi]
+G_M32789_IG10:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs -[esi edi]
+       ; GC ptr vars -{V00 V07}
        xor      eax, eax
        jmp      SHORT G_M32789_IG12
                        ;; size=4 bbWeight=0.50 PerfScore 1.12
-G_M32789_IG11:        ; bbWeight=0.50, gcVars=00000010 {V10}, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M32789_IG11:        ; bbWeight=0.50, gcVars=00000080 {V00}, gcrefRegs=00000048 {ebx esi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs +[ebx esi]
-       ; GC ptr vars +{V04 V10}
+       ; GC ptr vars +{V00 V07}
        mov      ecx, esi
        ; gcrRegs +[ecx]
        call     [<unknown method>]
        ; gcrRegs -[ecx] +[eax]
...

-19 (-4.70%) : 225671.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int 

@@ -8,31 +8,31 @@
 ; No matching PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T06] (  4,  7   )     ref  ->  [ebp-0x2C]  class-hnd single-def <System.String[]>
+;  V00 arg0         [V00,T06] (  4,  7   )     ref  ->  [ebp-0x28]  class-hnd single-def <System.String[]>
 ;* V01 arg1         [V01    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <System.Collections.Generic.IEqualityComparer`1[System.String]>
 ;  V02 arg2         [V02,T09] (  2,  5   )     int  ->  [ebp+0x0C]  single-def
 ;  V03 arg3         [V03,T17] (  1,  1   )     int  ->  [ebp+0x08]  single-def
 ;  V04 loc0         [V04,T11] (  4,  3   )     int  ->  [ebp-0x10]  spill-single-def
 ;  V05 loc1         [V05,T10] (  6,  3   )     int  ->  [ebp-0x14]  spill-single-def
-;  V06 loc2         [V06,T03] ( 10, 22.66)     ref  ->  [ebp-0x30]  class-hnd spill-single-def <int[]>
+;  V06 loc2         [V06,T03] ( 10, 22.66)     ref  ->  [ebp-0x2C]  class-hnd spill-single-def <int[]>
 ;  V07 loc3         [V07,T08] (  4,  5   )     int  ->  [ebp-0x18] 
 ;  V08 loc4         [V08,T16] (  3,  1.50)     ref  ->  esi         class-hnd single-def <int[]>
 ;  V09 loc5         [V09    ] (  2,  1   )  struct ( 8) [ebp-0x20]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <System.Span`1[int]>
 ;  V10 loc6         [V10,T05] (  6, 18.50)     int  ->  edx        
 ;* V11 loc7         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd <System.String>
-;  V12 loc8         [V12,T04] (  6, 20   )     int  ->  [ebp-0x24]  spill-single-def
+;  V12 loc8         [V12,T04] (  6, 20   )     int  ->  ebx        
 ;  V13 loc9         [V13,T02] (  7, 32   )     int  ->  ecx        
 ;  V14 loc10        [V14,T00] ( 12, 74.16)     int  ->  edi        
-;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  registers  
+;  V15 loc11        [V15,T01] (  5, 34   )   byref  ->  esi        
 ;  V16 tmp0         [V16,T12] (  2,  2   )     ref  ->  eax         single-def "Single return block return value"
 ;  V17 tmp1         [V17    ] (  2,  1   )   byref  ->  [ebp-0x20]  do-not-enreg[X] addr-exposed "field V09._reference (fldOffset=0x0)" P-DEP
 ;  V18 tmp2         [V18    ] (  2,  1   )     int  ->  [ebp-0x1C]  do-not-enreg[X] addr-exposed "field V09._length (fldOffset=0x4)" P-DEP
 ;  V19 tmp3         [V19,T13] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;  V20 tmp4         [V20,T14] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;  V21 tmp5         [V21,T15] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
-;  V22 cse0         [V22,T07] (  4,  6.50)     int  ->  [ebp-0x28]  spill-single-def "CSE - moderate"
+;  V22 cse0         [V22,T07] (  4,  6.50)     int  ->  [ebp-0x24]  spill-single-def "CSE - moderate"
 ;
-; Lcl frame size = 36
+; Lcl frame size = 32
 
 G_M57321_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -40,7 +40,7 @@ G_M57321_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 36
+       sub      esp, 32
        xor      eax, eax
        mov      dword ptr [ebp-0x20], eax
        mov      esi, ecx
@@ -53,19 +53,19 @@ G_M57321_IG02:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        inc      ebx
        mov      dword ptr [ebp-0x10], ebx
        mov      ecx, dword ptr [esi+0x04]
-       mov      dword ptr [ebp-0x28], ecx
+       mov      dword ptr [ebp-0x24], ecx
        mov      eax, ecx
        cdq      
        idiv     edx:eax, ebx
        cmp      eax, 5
-       jg       G_M57321_IG18
+       jg       G_M57321_IG14
                        ;; size=29 bbWeight=1 PerfScore 32.50
-G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
+G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        lea      eax, [ebx+4*ebx]
        mov      dword ptr [ebp-0x14], eax
        call     [<unknown method>]
        cmp      eax, dword ptr [ebp-0x14]
-       jl       G_M57321_IG18
+       jl       G_M57321_IG14
        call     [<unknown method>]
        ; gcrRegs +[eax]
        mov      ecx, eax
@@ -74,7 +74,7 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[ecx]
-       mov      gword ptr [ebp-0x30], eax
+       mov      gword ptr [ebp-0x2C], eax
        ; GC ptr vars +{V06}
        push     0
        push     dword ptr [ebp-0x14]
@@ -89,11 +89,11 @@ G_M57321_IG03:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        xor      eax, eax
        mov      dword ptr [ebp-0x18], eax
        xor      edx, edx
-       cmp      dword ptr [ebp-0x28], 0
-       jle      G_M57321_IG16
-                       ;; size=90 bbWeight=0.50 PerfScore 16.38
+       cmp      dword ptr [ebp-0x24], 0
+       jle      SHORT G_M57321_IG12
+                       ;; size=86 bbWeight=0.50 PerfScore 16.38
 G_M57321_IG04:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      gword ptr [ebp-0x2C], esi
+       mov      gword ptr [ebp-0x28], esi
        ; GC ptr vars +{V00}
        mov      ebx, gword ptr [esi+4*edx+0x08]
        ; gcrRegs +[ebx]
@@ -102,21 +102,20 @@ G_M57321_IG04:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        mov      dword ptr [ebp+0x0C], edi
        sub      ebx, edi
        lea      ebx, [ebx+4*ebx]
-       mov      dword ptr [ebp-0x24], ebx
        lea      ecx, [ebx+0x05]
        mov      edi, ebx
        cmp      ebx, ecx
-       jge      SHORT G_M57321_IG15
-                       ;; size=30 bbWeight=4 PerfScore 39.00
+       jge      SHORT G_M57321_IG11
+                       ;; size=27 bbWeight=4 PerfScore 35.00
 G_M57321_IG05:        ; bbWeight=2, gcVars=00000048 {V00 V06}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[esi]
-       mov      eax, gword ptr [ebp-0x30]
+       mov      eax, gword ptr [ebp-0x2C]
        ; gcrRegs +[eax]
        test     eax, eax
-       je       SHORT G_M57321_IG10
+       je       SHORT G_M57321_IG08
        mov      esi, ebx
        or       esi, ecx
-       jl       SHORT G_M57321_IG09
+       jl       SHORT G_M57321_IG08
        cmp      dword ptr [eax+0x04], ecx
        jl       SHORT G_M57321_IG08
                        ;; size=18 bbWeight=2 PerfScore 15.50
@@ -124,64 +123,51 @@ G_M57321_IG06:        ; bbWeight=15.84, gcrefRegs=00000001 {eax}, byrefRegs=0000
        lea      esi, bword ptr [eax+4*edi+0x08]
        ; byrRegs +[esi]
        cmp      dword ptr [esi], 0
-       jl       SHORT G_M57321_IG13
+       jl       SHORT G_M57321_IG09
        inc      edi
        cmp      edi, ecx
        jl       SHORT G_M57321_IG06
                        ;; size=14 bbWeight=15.84 PerfScore 102.96
-G_M57321_IG07:        ; bbWeight=2, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
+G_M57321_IG07:        ; bbWeight=4, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
        ; byrRegs -[esi]
-       jmp      SHORT G_M57321_IG15
-                       ;; size=2 bbWeight=2 PerfScore 4.00
-G_M57321_IG08:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
-       jmp      SHORT G_M57321_IG10
-                       ;; size=2 bbWeight=1 PerfScore 2.00
-G_M57321_IG09:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
-                       ;; size=0 bbWeight=1 PerfScore 0.00
-G_M57321_IG10:        ; bbWeight=0.16, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
+       jmp      SHORT G_M57321_IG11
+                       ;; size=2 bbWeight=4 PerfScore 8.00
+G_M57321_IG08:        ; bbWeight=0.16, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
        cmp      edi, dword ptr [eax+0x04]
-       jae      G_M57321_IG23
-       lea      ebx, bword ptr [eax+4*edi+0x08]
-       ; byrRegs +[ebx]
-       cmp      dword ptr [ebx], 0
-       mov      esi, ebx
+       jae      G_M57321_IG18
+       lea      esi, bword ptr [eax+4*edi+0x08]
        ; byrRegs +[esi]
-       jl       SHORT G_M57321_IG12
+       cmp      dword ptr [esi], 0
+       jl       SHORT G_M57321_IG09
        inc      edi
        cmp      edi, ecx
-       jl       SHORT G_M57321_IG10
-                       ;; size=25 bbWeight=0.16 PerfScore 1.72
-G_M57321_IG11:        ; bbWeight=2, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
-       ; byrRegs -[ebx esi]
-       jmp      SHORT G_M57321_IG15
-                       ;; size=2 bbWeight=2 PerfScore 4.00
-G_M57321_IG12:        ; bbWeight=0.08, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, byref
-       ; byrRegs +[esi]
-       mov      ebx, dword ptr [ebp-0x24]
-                       ;; size=3 bbWeight=0.08 PerfScore 0.08
-G_M57321_IG13:        ; bbWeight=2, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, byref, isz
+       jl       SHORT G_M57321_IG08
+       jmp      SHORT G_M57321_IG11
+                       ;; size=25 bbWeight=0.16 PerfScore 2.00
+G_M57321_IG09:        ; bbWeight=2, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, byref, isz
        cmp      edi, ebx
-       jne      SHORT G_M57321_IG14
+       jne      SHORT G_M57321_IG10
        mov      ebx, dword ptr [ebp-0x18]
        inc      ebx
        mov      dword ptr [ebp-0x18], ebx
                        ;; size=11 bbWeight=2 PerfScore 7.00
-G_M57321_IG14:        ; bbWeight=2, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, byref
+G_M57321_IG10:        ; bbWeight=2, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, byref
        mov      dword ptr [esi], edx
                        ;; size=2 bbWeight=2 PerfScore 2.00
-G_M57321_IG15:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+G_M57321_IG11:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs -[eax]
        ; byrRegs -[esi]
        cmp      edi, ecx
-       je       SHORT G_M57321_IG17
+       je       SHORT G_M57321_IG13
        inc      edx
-       mov      edi, dword ptr [ebp-0x28]
-       cmp      edi, edx
-       mov      esi, gword ptr [ebp-0x2C]
+       mov      ebx, dword ptr [ebp-0x24]
+       cmp      ebx, edx
+       mov      esi, gword ptr [ebp-0x28]
        ; gcrRegs +[esi]
-       jg       SHORT G_M57321_IG20
-                       ;; size=15 bbWeight=4 PerfScore 19.00
-G_M57321_IG16:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
+       mov      edi, dword ptr [ebp+0x0C]
+       jg       SHORT G_M57321_IG04
+                       ;; size=18 bbWeight=4 PerfScore 23.00
+G_M57321_IG12:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[esi]
        ; GC ptr vars -{V00 V06}
        xorps    xmm0, xmm0
@@ -191,25 +177,25 @@ G_M57321_IG16:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000000
        divsd    xmm0, xmm1
        movsd    xmm1, qword ptr [reloc @RWD00]
        ucomisd  xmm1, xmm0
-       jbe      SHORT G_M57321_IG21
+       jbe      SHORT G_M57321_IG16
                        ;; size=34 bbWeight=0.50 PerfScore 17.33
-G_M57321_IG17:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M57321_IG13:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        call     [<unknown method>]
        ; gcrRegs +[eax]
        mov      ecx, eax
        ; gcrRegs +[ecx]
        push     0
-       mov      edx, gword ptr [ebp-0x30]
+       mov      edx, gword ptr [ebp-0x2C]
        ; gcrRegs +[edx]
        cmp      dword ptr [ecx], ecx
        call     [<unknown method>]
        ; gcrRegs -[eax ecx edx]
                        ;; size=21 bbWeight=0.50 PerfScore 5.62
-G_M57321_IG18:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M57321_IG14:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        xor      eax, eax
        ; gcrRegs +[eax]
                        ;; size=2 bbWeight=0.50 PerfScore 0.12
-G_M57321_IG19:        ; bbWeight=0.50, epilog, nogc, extend
+G_M57321_IG15:        ; bbWeight=0.50, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -217,14 +203,9 @@ G_M57321_IG19:        ; bbWeight=0.50, epilog, nogc, extend
        pop      ebp
        ret      8
                        ;; size=10 bbWeight=0.50 PerfScore 2.25
-G_M57321_IG20:        ; bbWeight=2, gcVars=00000008 {V06}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[eax] +[esi]
+G_M57321_IG16:        ; bbWeight=0.50, gcVars=00000008 {V06}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
...

+18 (+7.32%) : 16011.dasm - System.String:TrimWhiteSpaceHelper(int):System.String:this (FullOpts) 

@@ -91,7 +91,7 @@ G_M50035_IG09:        ; bbWeight=2, gcrefRegs=00000040 {esi}, byrefRegs=00000000
 G_M50035_IG10:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        test     edi, 2
        mov      edi, dword ptr [ebp-0x10]
-       je       SHORT G_M50035_IG22
+       je       SHORT G_M50035_IG15
                         ;; size=11 bbWeight=1 PerfScore 2.25
 G_M50035_IG11:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        lea      eax, [ebx-0x01]
@@ -102,69 +102,77 @@ G_M50035_IG11:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        mov      dword ptr [ebp-0x14], edx
        mov      ecx, edi
        or       ecx, edx
-       jl       SHORT G_M50035_IG18
+       jl       SHORT G_M50035_IG20
        cmp      ebx, edi
-       jle      SHORT G_M50035_IG18
+       jle      SHORT G_M50035_IG20
                        ;; size=25 bbWeight=0.50 PerfScore 3.38
 G_M50035_IG12:        ; bbWeight=3.96, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        movzx    ecx, word  ptr [esi+2*edi+0x08]
        cmp      ecx, 256
-       jae      SHORT G_M50035_IG15
+       jae      SHORT G_M50035_IG16
                      ;; size=13 bbWeight=3.96 PerfScore 12.87
 G_M50035_IG13:        ; bbWeight=1.98, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        call     [System.Char:IsWhiteSpaceLatin1(ushort):ubyte]
-       jmp      SHORT G_M50035_IG16
+       jmp      SHORT G_M50035_IG17
                        ;; size=8 bbWeight=1.98 PerfScore 9.90
 G_M50035_IG14:        ; bbWeight=0.25, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      dword ptr [ebp-0x14], edx
-       jmp      SHORT G_M50035_IG22
-                       ;; size=5 bbWeight=0.25 PerfScore 0.75
-G_M50035_IG15:        ; bbWeight=1.98, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
+       mov      eax, edx
+       jmp      SHORT G_M50035_IG24
+                       ;; size=4 bbWeight=0.25 PerfScore 0.56
+G_M50035_IG15:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+       mov      eax, dword ptr [ebp-0x14]
+       jmp      SHORT G_M50035_IG24
+                       ;; size=5 bbWeight=0.50 PerfScore 1.50
+G_M50035_IG16:        ; bbWeight=1.98, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        call     [System.Globalization.CharUnicodeInfo:GetIsWhiteSpace(ushort):ubyte]
                        ;; size=6 bbWeight=1.98 PerfScore 5.94
-G_M50035_IG16:        ; bbWeight=3.96, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+G_M50035_IG17:        ; bbWeight=3.96, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        test     eax, eax
-       je       SHORT G_M50035_IG22
+       je       SHORT G_M50035_IG19
        dec      edi
        mov      ebx, dword ptr [ebp-0x14]
        cmp      edi, ebx
        jge      SHORT G_M50035_IG12
                        ;; size=12 bbWeight=3.96 PerfScore 14.85
-G_M50035_IG17:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       jmp      SHORT G_M50035_IG22
-                       ;; size=2 bbWeight=0.50 PerfScore 1.00
-G_M50035_IG18:        ; bbWeight=0.04, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+G_M50035_IG18:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+       mov      eax, dword ptr [ebp-0x14]
+       jmp      SHORT G_M50035_IG24
+                       ;; size=5 bbWeight=1 PerfScore 3.00
+G_M50035_IG19:        ; bbWeight=1.98, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+       mov      eax, dword ptr [ebp-0x14]
+       jmp      SHORT G_M50035_IG24
+                       ;; size=5 bbWeight=1.98 PerfScore 5.94
+G_M50035_IG20:        ; bbWeight=0.04, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        cmp      edi, ebx
-       jae      SHORT G_M50035_IG24
+       jae      SHORT G_M50035_IG28
        movzx    ecx, word  ptr [esi+2*edi+0x08]
        cmp      ecx, 256
-       jae      SHORT G_M50035_IG20
+       jae      SHORT G_M50035_IG22
                      ;; size=17 bbWeight=0.04 PerfScore 0.18
-G_M50035_IG19:        ; bbWeight=0.02, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+G_M50035_IG21:        ; bbWeight=0.02, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        call     [System.Char:IsWhiteSpaceLatin1(ushort):ubyte]
-       jmp      SHORT G_M50035_IG21
+       jmp      SHORT G_M50035_IG23
                      ;; size=8 bbWeight=0.02 PerfScore 0.10
-G_M50035_IG20:        ; bbWeight=0.02, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
+G_M50035_IG22:        ; bbWeight=0.02, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        call     [System.Globalization.CharUnicodeInfo:GetIsWhiteSpace(ushort):ubyte]
                        ;; size=6 bbWeight=0.02 PerfScore 0.06
-G_M50035_IG21:        ; bbWeight=0.04, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+G_M50035_IG23:        ; bbWeight=0.04, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        test     eax, eax
-       je       SHORT G_M50035_IG22
+       je       SHORT G_M50035_IG27
        dec      edi
-       mov      edx, dword ptr [ebp-0x14]
-       cmp      edi, edx
-       mov      dword ptr [ebp-0x14], edx
-       jge      SHORT G_M50035_IG18
-                       ;; size=15 bbWeight=0.04 PerfScore 0.19
-G_M50035_IG22:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
+       mov      eax, dword ptr [ebp-0x14]
+       cmp      edi, eax
+       jge      SHORT G_M50035_IG26
+                       ;; size=12 bbWeight=0.04 PerfScore 0.15
+G_M50035_IG24:        ; bbWeight=1, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        push     edi
        mov      ecx, esi
        ; gcrRegs +[ecx]
-       mov      edx, dword ptr [ebp-0x14]
+       mov      edx, eax
        call     [System.String:CreateTrimmedString(int,int):System.String:this]
        ; gcrRegs -[ecx esi] +[eax]
-                       ;; size=12 bbWeight=1 PerfScore 5.25
-G_M50035_IG23:        ; bbWeight=1, epilog, nogc, extend
+                     ;; size=11 bbWeight=1 PerfScore 4.50
+G_M50035_IG25:        ; bbWeight=1, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -172,12 +180,21 @@ G_M50035_IG23:        ; bbWeight=1, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=1 PerfScore 3.50
-G_M50035_IG24:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[eax]
+G_M50035_IG26:        ; bbWeight=0.02, gcVars=00000000 {}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs -[eax] +[esi]
+       mov      dword ptr [ebp-0x14], eax
+       jmp      SHORT G_M50035_IG20
+                       ;; size=5 bbWeight=0.02 PerfScore 0.06
+G_M50035_IG27:        ; bbWeight=0.02, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
+       mov      eax, dword ptr [ebp-0x14]
+       jmp      SHORT G_M50035_IG24
+                       ;; size=5 bbWeight=0.02 PerfScore 0.06
+G_M50035_IG28:        ; bbWeight=0, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+       ; gcrRegs -[esi]
        call     [CORINFO_HELP_RNGCHKFAIL]
        int3     
                        ;; size=7 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 246, prolog size 9, PerfScore 122.72, instruction count 90, allocated bytes for code 246 (MethodHash=878d3c8c) for method System.String:TrimWhiteSpaceHelper(int):System.String:this (FullOpts)
+; Total bytes of code 264, prolog size 9, PerfScore 131.30, instruction count 98, allocated bytes for code 264 (MethodHash=878d3c8c) for method System.String:TrimWhiteSpaceHelper(int):System.String:this (FullOpts)
 ; ============================================================

+42 (+7.81%) : 165272.dasm - Microsoft.CodeAnalysis.VisualBasic.LocalRewriter:GenerateObjectCloneIfNeeded(Microsoft.CodeAnalysis.VisualBasic.BoundExpression,Microsoft.CodeAnalysis.VisualBasic.BoundExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts) 

@@ -43,7 +43,7 @@
 ;* V31 tmp17        [V31    ] (  0,  0   )     int  ->  zero-ref    "field V24._capacity (fldOffset=0xc)" P-INDEP
 ;  V32 tmp18        [V32,T15] (  2,  2   )     ref  ->  ecx         single-def "argument with side effect"
 ;  V33 cse0         [V33,T18] (  3,  1.50)     int  ->  ecx         "CSE - conservative"
-;  V34 cse1         [V34,T19] (  3,  1.50)     int  ->  ecx         "CSE - conservative"
+;  V34 cse1         [V34,T19] (  3,  1.50)     int  ->  registers   "CSE - conservative"
 ;  V35 cse2         [V35,T02] (  4, 14   )     int  ->  edx         "CSE - aggressive"
 ;
 ; Lcl frame size = 16
@@ -74,7 +74,7 @@ G_M45327_IG03:        ; bbWeight=0.50, gcrefRegs=000000C1 {eax esi edi}, byrefRe
                        ;; size=12 bbWeight=0.50 PerfScore 4.00
 G_M45327_IG04:        ; bbWeight=0.50, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[esi edi]
-       jmp      G_M45327_IG23
+       jmp      G_M45327_IG24
                       ;; size=5 bbWeight=0.50 PerfScore 1.00
 G_M45327_IG05:        ; bbWeight=0.50, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[esi edi]
@@ -90,7 +90,7 @@ G_M45327_IG05:        ; bbWeight=0.50, gcrefRegs=000000C1 {eax esi edi}, byrefRe
        cmp      eax, 1
        mov      ebx, gword ptr [ebp-0x10]
        ; gcrRegs +[ebx]
-       jne      G_M45327_IG22
+       jne      G_M45327_IG23
        mov      ecx, esi
        ; gcrRegs +[ecx]
        ; GC ptr vars -{V04}
@@ -102,7 +102,7 @@ G_M45327_IG05:        ; bbWeight=0.50, gcrefRegs=000000C1 {eax esi edi}, byrefRe
        call     [Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceAssemblySymbol:get_IsVbRuntime():ubyte:this]
        ; gcrRegs -[eax ecx]
        test     eax, eax
-       jne      G_M45327_IG22
+       jne      G_M45327_IG23
        mov      eax, edi
        ; gcrRegs +[eax]
                        ;; size=56 bbWeight=0.50 PerfScore 11.25
@@ -115,7 +115,7 @@ G_M45327_IG06:        ; bbWeight=4, gcrefRegs=000000C9 {eax ebx esi edi}, byrefR
        call     [<unknown method>]
        ; gcrRegs -[ecx]
        test     eax, eax
-       jne      G_M45327_IG22
+       jne      G_M45327_IG23
        mov      eax, gword ptr [ebp-0x14]
        movzx    edx, byte  ptr [eax+0x08]
        mov      ecx, edx
@@ -156,7 +156,7 @@ G_M45327_IG09:        ; bbWeight=2, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=
        ; GC ptr vars +{V05}
        mov      ebx, gword ptr [ebp-0x10]
        ; gcrRegs +[ebx]
-       jmp      G_M45327_IG21
+       jmp      G_M45327_IG22
                       ;; size=11 bbWeight=2 PerfScore 8.00
 G_M45327_IG10:        ; bbWeight=2, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[ebx]
@@ -204,7 +204,7 @@ G_M45327_IG15:        ; bbWeight=4, gcrefRegs=000000C9 {eax ebx esi edi}, byrefR
                        ;; size=12 bbWeight=4 PerfScore 6.00
 G_M45327_IG16:        ; bbWeight=0.50, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[eax esi edi]
-       jmp      G_M45327_IG22
+       jmp      G_M45327_IG23
                       ;; size=5 bbWeight=0.50 PerfScore 1.00
 G_M45327_IG17:        ; bbWeight=4, gcrefRegs=000000C9 {eax ebx esi edi}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[eax esi edi]
@@ -213,40 +213,57 @@ G_M45327_IG17:        ; bbWeight=4, gcrefRegs=000000C9 {eax ebx esi edi}, byrefR
        call     [CORINFO_HELP_READYTORUN_CHKCAST]
        ; gcrRegs -[ecx]
        mov      eax, gword ptr [eax+0x10]
+       mov      gword ptr [ebp-0x14], eax
+       ; GC ptr vars +{V05}
+       mov      eax, gword ptr [ebp-0x14]
        jmp      G_M45327_IG06
-                       ;; size=16 bbWeight=4 PerfScore 29.00
+                     ;; size=22 bbWeight=4 PerfScore 37.00
 G_M45327_IG18:        ; bbWeight=0.50, gcrefRegs=000000C9 {eax ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       ; GC ptr vars -{V05}
        cmp      ecx, 26
-       je       SHORT G_M45327_IG20
+       je       SHORT G_M45327_IG21
        cmp      ecx, 29
-       jne      SHORT G_M45327_IG19
+       jne      SHORT G_M45327_IG20
+       mov      gword ptr [ebp-0x10], ebx
+       ; GC ptr vars +{V04}
        mov      gword ptr [ebp-0x14], eax
        ; GC ptr vars +{V05}
        mov      ecx, eax
        ; gcrRegs +[ecx]
        call     [CORINFO_HELP_READYTORUN_CHKCAST]
-       ; gcrRegs -[ecx]
+       ; gcrRegs -[ecx ebx]
        mov      ecx, dword ptr [eax+0x1C]
        test     cl, 128
-       jne      SHORT G_M45327_IG21
+       jne      SHORT G_M45327_IG19
+       mov      eax, gword ptr [ebp-0x14]
        and      ecx, 31
-       lea      eax, [ecx-0x01]
-       ; gcrRegs -[eax]
-       cmp      eax, 1
-       jbe      G_M45327_IG22
+       lea      edx, [ecx-0x01]
+       cmp      edx, 1
+       mov      gword ptr [ebp-0x14], eax
+       mov      ebx, gword ptr [ebp-0x10]
+       ; gcrRegs +[ebx]
+       jbe      G_M45327_IG23
        add      ecx, -10
        cmp      ecx, 12
-       ja       SHORT G_M45327_IG21
-       jmp      G_M45327_IG22
-                       ;; size=57 bbWeight=0.50 PerfScore 7.75
-G_M45327_IG19:        ; bbWeight=0.25, gcVars=00000000 {}, gcrefRegs=000000C9 {eax ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ja       SHORT G_M45327_IG22
+       mov      gword ptr [ebp-0x10], ebx
+       mov      ebx, gword ptr [ebp-0x10]
+       jmp      G_M45327_IG23
+                       ;; size=75 bbWeight=0.50 PerfScore 10.75
+G_M45327_IG19:        ; bbWeight=0.25, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[eax ebx]
+       mov      ebx, gword ptr [ebp-0x10]
+       ; gcrRegs +[ebx]
+       jmp      SHORT G_M45327_IG22
+                       ;; size=5 bbWeight=0.25 PerfScore 0.75
+G_M45327_IG20:        ; bbWeight=0.25, gcVars=00000000 {}, gcrefRegs=000000C9 {eax ebx esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs +[eax]
-       ; GC ptr vars -{V05}
+       ; GC ptr vars -{V04 V05}
        mov      gword ptr [ebp-0x14], eax
        ; GC ptr vars +{V05}
-       jmp      SHORT G_M45327_IG21
+       jmp      SHORT G_M45327_IG22
                       ;; size=5 bbWeight=0.25 PerfScore 0.75
-G_M45327_IG20:        ; bbWeight=0.50, gcrefRegs=000000C9 {eax ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+G_M45327_IG21:        ; bbWeight=0.50, gcrefRegs=000000C9 {eax ebx esi edi}, byrefRegs=00000000 {}, byref, isz
        ; GC ptr vars -{V05}
        mov      gword ptr [ebp-0x14], eax
        ; GC ptr vars +{V05}
@@ -254,16 +271,25 @@ G_M45327_IG20:        ; bbWeight=0.50, gcrefRegs=000000C9 {eax ebx esi edi}, byr
        ; gcrRegs +[ecx]
        call     [CORINFO_HELP_READYTORUN_CHKCAST]
        ; gcrRegs -[ecx]
-       mov      ecx, dword ptr [eax+0x18]
-       test     cl, 8
-       jne      SHORT G_M45327_IG21
-       and      ecx, 3
-       dec      ecx
-       cmp      ecx, 2
-       jbe      G_M45327_IG22
-                       ;; size=32 bbWeight=0.50 PerfScore 4.62
-G_M45327_IG21:        ; bbWeight=0.50, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       mov      eax, dword ptr [eax+0x18]
        ; gcrRegs -[eax]
+       test     al, 8
+       jne      SHORT G_M45327_IG22
+       mov      gword ptr [ebp-0x10], ebx
+       ; GC ptr vars +{V04}
+       mov      edx, eax
+       mov      eax, gword ptr [ebp-0x14]
+       ; gcrRegs +[eax]
+       and      edx, 3
+       dec      edx
+       cmp      edx, 2
+       mov      gword ptr [ebp-0x14], eax
+       mov      ebx, gword ptr [ebp-0x10]
+       jbe      G_M45327_IG23
+                       ;; size=45 bbWeight=0.50 PerfScore 6.75
+G_M45327_IG22:        ; bbWeight=0.50, gcrefRegs=000000C8 {ebx esi edi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[eax]
+       ; GC ptr vars -{V04}
        mov      ecx, gword ptr [esi+0x08]
        ; gcrRegs +[ecx]
        cmp      dword ptr [ecx], ecx
@@ -291,7 +317,7 @@ G_M45327_IG21:        ; bbWeight=0.50, gcrefRegs=000000C8 {ebx esi edi}, byrefRe
        call     [Microsoft.CodeAnalysis.VisualBasic.LocalRewriter:ReportMissingOrBadRuntimeHelper(Microsoft.CodeAnalysis.VisualBasic.BoundNode,int,Microsoft.CodeAnalysis.VisualBasic.Symbol):ubyte:this]
        ; gcrRegs -[eax ecx edx esi]
        test     eax, eax
-       jne      SHORT G_M45327_IG22
+       jne      SHORT G_M45327_IG23
        mov      esi, gword ptr [edi+0x04]
        ; gcrRegs +[esi]
        mov      edx, dword ptr [(reloc)]      ; <unknown method>
@@ -338,12 +364,12 @@ G_M45327_IG21:        ; bbWeight=0.50, gcrefRegs=000000C8 {ebx esi edi}, byrefRe
        mov      ebx, gword ptr [ebp-0x1C]
        ; gcrRegs +[ebx]
                        ;; size=141 bbWeight=0.50 PerfScore 33.62
-G_M45327_IG22:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref
+G_M45327_IG23:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000008 {ebx}, byrefRegs=00000000 {}, gcvars, byref
        ; GC ptr vars -{V20}
        mov      eax, ebx
        ; gcrRegs +[eax]
                        ;; size=2 bbWeight=0.50 PerfScore 0.12
-G_M45327_IG23:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, epilog, nogc
+G_M45327_IG24:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, epilog, nogc
        ; gcrRegs -[ebx]
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -353,6 +379,6 @@ G_M45327_IG23:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000
        ret      4
                        ;; size=10 bbWeight=1 PerfScore 4.50
 
-; Total bytes of code 538, prolog size 9, PerfScore 296.62, instruction count 175, allocated bytes for code 538 (MethodHash=07aa4ef0) for method Microsoft.CodeAnalysis.VisualBasic.LocalRewriter:GenerateObjectCloneIfNeeded(Microsoft.CodeAnalysis.VisualBasic.BoundExpression,Microsoft.CodeAnalysis.VisualBasic.BoundExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts)
+; Total bytes of code 580, prolog size 9, PerfScore 310.50, instruction count 190, allocated bytes for code 580 (MethodHash=07aa4ef0) for method Microsoft.CodeAnalysis.VisualBasic.LocalRewriter:GenerateObjectCloneIfNeeded(Microsoft.CodeAnalysis.VisualBasic.BoundExpression,Microsoft.CodeAnalysis.VisualBasic.BoundExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts)
 ; ============================================================

+6 (+8.82%) : 240590.dasm - System.Data.Odbc.OdbcCommand:ExecuteReaderObject(int,System.String,ubyte):System.Data.Odbc.OdbcDataReader:this (FullOpts) 

@@ -13,28 +13,32 @@
 ;  V01 arg1         [V01,T01] (  3,  3   )     int  ->  edx         single-def
 ;  V02 arg2         [V02,T07] (  2,  1   )     ref  ->  [ebp+0x0C]  class-hnd single-def <System.String>
 ;  V03 arg3         [V03,T08] (  1,  1   )   ubyte  ->  [ebp+0x08]  single-def
-;* V04 tmp0         [V04,T02] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "dup spill" <System.String>
-;* V05 tmp1         [V05,T06] (  0,  0   )     ref  ->  zero-ref   
+;  V04 tmp0         [V04,T02] (  2,  4   )     ref  ->  esi         class-hnd single-def "dup spill" <System.String>
+;  V05 tmp1         [V05,T06] (  2,  2   )     ref  ->  esi        
 ;  V06 tmp2         [V06,T03] (  2,  4   )     ref  ->  eax         class-hnd single-def "dup spill" <System.String>
 ;  V07 tmp3         [V07,T04] (  4,  3.50)     ref  ->  eax        
-;  V08 cse0         [V08,T05] (  2,  2   )     ref  ->  eax         "CSE - moderate"
+;  V08 cse0         [V08,T05] (  3,  3   )     ref  ->  eax         "CSE - moderate"
 ;
 ; Lcl frame size = 0
 
 G_M18056_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
        mov      ebp, esp
-                     ;; size=3 bbWeight=1 PerfScore 1.25
+       push     esi
+                       ;; size=4 bbWeight=1 PerfScore 2.25
 G_M18056_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs +[ecx]
        mov      eax, dword ptr [(reloc)]      ; const ptr
        mov      eax, gword ptr [ecx+eax]
        ; gcrRegs +[eax]
+       mov      esi, eax
+       ; gcrRegs +[esi]
+       test     esi, esi
        test     eax, eax
        jne      SHORT G_M18056_IG04
-                      ;; size=12 bbWeight=1 PerfScore 5.25
+                      ;; size=16 bbWeight=1 PerfScore 5.75
 G_M18056_IG03:        ; bbWeight=0.50, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
-       ; gcrRegs -[eax]
+       ; gcrRegs -[eax esi]
        mov      eax, dword ptr [(reloc)]      ; const ptr
        mov      eax, gword ptr [eax]
        ; gcrRegs +[eax]
@@ -52,9 +56,10 @@ G_M18056_IG04:        ; bbWeight=1, gcrefRegs=00000003 {eax ecx}, byrefRegs=0000
        ; gcrRegs -[ecx] +[eax]
                        ;; size=24 bbWeight=1 PerfScore 12.00
 G_M18056_IG05:        ; bbWeight=1, epilog, nogc, extend
+       pop      esi
        pop      ebp
        ret      8
-                        ;; size=4 bbWeight=1 PerfScore 2.50
+                       ;; size=5 bbWeight=1 PerfScore 3.00
 G_M18056_IG06:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[eax]
        mov      ecx, gword ptr [ebp+0x0C]
@@ -68,6 +73,6 @@ G_M18056_IG06:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, b
        int3     
                        ;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 68, prolog size 3, PerfScore 23.00, instruction count 23, allocated bytes for code 68 (MethodHash=bbbbb977) for method System.Data.Odbc.OdbcCommand:ExecuteReaderObject(int,System.String,ubyte):System.Data.Odbc.OdbcDataReader:this (FullOpts)
+; Total bytes of code 74, prolog size 4, PerfScore 25.00, instruction count 27, allocated bytes for code 74 (MethodHash=bbbbb977) for method System.Data.Odbc.OdbcCommand:ExecuteReaderObject(int,System.String,ubyte):System.Data.Odbc.OdbcDataReader:this (FullOpts)
 ; ============================================================

libraries.pmi.windows.x86.checked.mch

-12 (-7.32%) : 188642.dasm - System.Xml.Xsl.XsltOld.OutputScopeManager:FindPrefix(System.String,byref):ubyte:this (FullOpts) 

@@ -61,7 +61,7 @@ G_M28412_IG03:        ; bbWeight=4, gcrefRegs=000000C0 {esi edi}, byrefRegs=0000
 G_M28412_IG04:        ; bbWeight=1, gcrefRegs=000000C3 {eax ecx esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, 0xD1FFAB1E      ; System.Xml.Xsl.XsltOld.OutputScope
        cmp      dword ptr [ecx], edx
-       jne      SHORT G_M28412_IG12
+       jne      SHORT G_M28412_IG10
                      ;; size=9 bbWeight=1 PerfScore 4.25
 G_M28412_IG05:        ; bbWeight=4, gcrefRegs=000000C2 {ecx esi edi}, byrefRegs=00000000 {}, byref, isz
        ; gcrRegs -[eax]
@@ -81,13 +81,13 @@ G_M28412_IG06:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000
        ; gcrRegs -[esi edi]
        xor      eax, eax
        ; gcrRegs +[eax]
-       mov      ebx, bword ptr [ebp+0x08]
-       ; byrRegs +[ebx]
-       mov      gword ptr [ebx], eax
+       mov      esi, bword ptr [ebp+0x08]
+       ; byrRegs +[esi]
+       mov      gword ptr [esi], eax
                        ;; size=7 bbWeight=0.50 PerfScore 1.12
 G_M28412_IG07:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, epilog, nogc
        ; gcrRegs -[eax]
-       ; byrRegs -[ebx]
+       ; byrRegs -[esi]
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -97,8 +97,6 @@ G_M28412_IG07:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000
                        ;; size=10 bbWeight=0.50 PerfScore 2.25
 G_M28412_IG08:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs +[esi edi]
-       mov      ebx, bword ptr [ebp+0x08]
-       ; byrRegs +[ebx]
        mov      edx, gword ptr [ebp-0x10]
        ; gcrRegs +[edx]
        lea      ecx, [ebp-0x14]
@@ -108,17 +106,17 @@ G_M28412_IG08:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=000000C0 {e
        call     [<unknown method>]
        ; gcrRegs -[ecx edx esi] +[eax]
        test     eax, eax
-       je       SHORT G_M28412_IG11
+       je       SHORT G_M28412_IG06
        cmp      eax, edi
-       jne      SHORT G_M28412_IG10
+       jne      SHORT G_M28412_IG06
        mov      eax, gword ptr [ebp-0x10]
-       mov      edx, ebx
+       mov      edx, bword ptr [ebp+0x08]
        ; byrRegs +[edx]
        call     CORINFO_HELP_CHECKED_ASSIGN_REF_EAX
        ; gcrRegs -[eax edi]
-       ; byrRegs -[edx ebx]
+       ; byrRegs -[edx]
        mov      eax, 1
-                      ;; size=41 bbWeight=0.50 PerfScore 5.88
+                       ;; size=39 bbWeight=0.50 PerfScore 5.75
 G_M28412_IG09:        ; bbWeight=0.50, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -127,18 +125,8 @@ G_M28412_IG09:        ; bbWeight=0.50, epilog, nogc, extend
        pop      ebp
        ret      4
                        ;; size=10 bbWeight=0.50 PerfScore 2.25
-G_M28412_IG10:        ; bbWeight=0.25, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000008 {ebx}, gcvars, byref, isz
-       ; byrRegs +[ebx]
-       mov      bword ptr [ebp+0x08], ebx
-       jmp      SHORT G_M28412_IG06
-                       ;; size=5 bbWeight=0.25 PerfScore 0.75
-G_M28412_IG11:        ; bbWeight=0.25, gcrefRegs=00000000 {}, byrefRegs=00000008 {ebx}, byref, isz
-       mov      bword ptr [ebp+0x08], ebx
-       jmp      SHORT G_M28412_IG06
-                       ;; size=5 bbWeight=0.25 PerfScore 0.75
-G_M28412_IG12:        ; bbWeight=0, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref
+G_M28412_IG10:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs +[eax]
-       ; byrRegs -[ebx]
        mov      ecx, edx
        mov      edx, eax
        ; gcrRegs +[edx]
@@ -147,6 +135,6 @@ G_M28412_IG12:        ; bbWeight=0, gcrefRegs=00000001 {eax}, byrefRegs=00000000
        int3     
                        ;; size=10 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 164, prolog size 14, PerfScore 108.75, instruction count 70, allocated bytes for code 164 (MethodHash=dc079103) for method System.Xml.Xsl.XsltOld.OutputScopeManager:FindPrefix(System.String,byref):ubyte:this (FullOpts)
+; Total bytes of code 152, prolog size 14, PerfScore 107.12, instruction count 65, allocated bytes for code 152 (MethodHash=dc079103) for method System.Xml.Xsl.XsltOld.OutputScopeManager:FindPrefix(System.String,byref):ubyte:this (FullOpts)
 ; ============================================================

-32 (-7.17%) : 25927.dasm - Microsoft.FSharp.Primitives.Basics.Array:stableSortWithKeysAndComparer[ubyte,System.Nullable1[int]](System.Collections.Generic.IComparer1[ubyte],System.Collections.Generic.IComparer1[ubyte],System.Nullable1[int][],ubyte[]) (FullOpts) 

@@ -65,7 +65,7 @@ G_M46208_IG02:        ; bbWeight=1, gcVars=00050000 {V00 V01}, gcrefRegs=000000C
                        ;; size=33 bbWeight=1 PerfScore 8.50
 G_M46208_IG03:        ; bbWeight=4, gcVars=00050040 {V00 V01 V05}, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        cmp      ecx, dword ptr [eax+0x04]
-       jae      G_M46208_IG21
+       jae      G_M46208_IG18
        mov      dword ptr [eax+4*ecx+0x08], ecx
        inc      ecx
        lea      edx, [ebx+0x01]
@@ -74,7 +74,7 @@ G_M46208_IG03:        ; bbWeight=4, gcVars=00050040 {V00 V01 V05}, gcrefRegs=000
                        ;; size=21 bbWeight=4 PerfScore 28.00
 G_M46208_IG04:        ; bbWeight=1, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000000 {}, byref
        test     edi, edi
-       je       G_M46208_IG22
+       je       G_M46208_IG19
        push     0
        mov      ebx, dword ptr [edi+0x04]
        mov      dword ptr [ebp-0x24], ebx
@@ -89,11 +89,10 @@ G_M46208_IG04:        ; bbWeight=1, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=
        call     [System.Array:Sort[ubyte,int](ubyte[],int[],int,int,System.Collections.Generic.IComparer`1[ubyte])]
        ; gcrRegs -[eax ecx edx]
        ; gcr arg pop 1
-       mov      gword ptr [ebp+0x0C], esi
        mov      ecx, esi
        ; gcrRegs +[ecx]
        call     [System.Object:MemberwiseClone():System.Object:this]
-       ; gcrRegs -[ecx esi] +[eax]
+       ; gcrRegs -[ecx] +[eax]
        mov      gword ptr [ebp-0x34], eax
        ; GC ptr vars +{V08}
        xor      ecx, ecx
@@ -107,33 +106,32 @@ G_M46208_IG04:        ; bbWeight=1, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=
        mov      gword ptr [ebp-0x38], eax
        ; GC ptr vars +{V09}
        cmp      dword ptr [ebp-0x10], 0
-       jle      G_M46208_IG17
-                       ;; size=82 bbWeight=1 PerfScore 24.75
-G_M46208_IG05:        ; bbWeight=4, gcVars=00090240 {V01 V05 V08 V09}, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       jle      G_M46208_IG15
+                       ;; size=79 bbWeight=1 PerfScore 23.75
+G_M46208_IG05:        ; bbWeight=4, gcVars=00090240 {V01 V05 V08 V09}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, gcvars, byref, isz
        ; gcrRegs -[eax]
        mov      ecx, dword ptr [ebp-0x14]
        mov      eax, ecx
        cmp      eax, ebx
-       jae      G_M46208_IG21
+       jae      G_M46208_IG18
        movzx    edx, byte  ptr [edi+eax+0x08]
        mov      dword ptr [ebp-0x1C], edx
        jmp      SHORT G_M46208_IG07
                        ;; size=23 bbWeight=4 PerfScore 30.00
-G_M46208_IG06:        ; bbWeight=8, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref
+G_M46208_IG06:        ; bbWeight=8, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
        inc      eax
        mov      ecx, dword ptr [ebp-0x14]
                        ;; size=4 bbWeight=8 PerfScore 10.00
-G_M46208_IG07:        ; bbWeight=32, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref
+G_M46208_IG07:        ; bbWeight=32, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
        cmp      eax, dword ptr [ebp-0x10]
-       jge      G_M46208_IG20
+       jge      G_M46208_IG17
                        ;; size=9 bbWeight=32 PerfScore 96.00
-G_M46208_IG08:        ; bbWeight=16, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref, isz
+G_M46208_IG08:        ; bbWeight=16, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      dword ptr [ebp-0x14], ecx
        cmp      eax, ecx
        je       SHORT G_M46208_IG06
        cmp      eax, ebx
-       jae      G_M46208_IG21
-       mov      gword ptr [ebp+0x08], edi
+       jae      G_M46208_IG18
        mov      dword ptr [ebp-0x18], eax
        movzx    edx, byte  ptr [edi+eax+0x08]
        push     edx
@@ -141,38 +139,35 @@ G_M46208_IG08:        ; bbWeight=16, gcrefRegs=00000080 {edi}, byrefRegs=0000000
        ; gcrRegs +[ecx]
        mov      edx, dword ptr [ebp-0x1C]
        call     [<unknown method>]
-       ; gcrRegs -[ecx edi]
+       ; gcrRegs -[ecx]
        test     eax, eax
        mov      eax, dword ptr [ebp-0x18]
-       mov      edi, gword ptr [ebp+0x08]
-       ; gcrRegs +[edi]
-       je       G_M46208_IG19
-                       ;; size=53 bbWeight=16 PerfScore 268.00
-G_M46208_IG09:        ; bbWeight=8, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref
+       je       SHORT G_M46208_IG06
+                       ;; size=43 bbWeight=16 PerfScore 236.00
+G_M46208_IG09:        ; bbWeight=8, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
        mov      ecx, dword ptr [ebp-0x14]
                        ;; size=3 bbWeight=8 PerfScore 8.00
-G_M46208_IG10:        ; bbWeight=16, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref
+G_M46208_IG10:        ; bbWeight=16, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, ecx
        lea      ebx, [eax-0x01]
        mov      dword ptr [ebp-0x20], ebx
        cmp      ebx, edx
-       jl       G_M46208_IG18
-                       ;; size=16 bbWeight=16 PerfScore 48.00
-G_M46208_IG11:        ; bbWeight=8, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref
+       mov      gword ptr [ebp+0x0C], esi
        mov      gword ptr [ebp+0x08], edi
-                       ;; size=3 bbWeight=8 PerfScore 8.00
-G_M46208_IG12:        ; bbWeight=16, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
-       ; gcrRegs -[edi]
+       jl       SHORT G_M46208_IG12
+                       ;; size=18 bbWeight=16 PerfScore 80.00
+G_M46208_IG11:        ; bbWeight=16, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[esi edi]
        mov      edi, gword ptr [ebp-0x30]
        ; gcrRegs +[edi]
        cmp      edx, dword ptr [edi+0x04]
-       jae      G_M46208_IG21
+       jae      G_M46208_IG18
        mov      edi, dword ptr [edi+4*edx+0x08]
        ; gcrRegs -[edi]
        mov      esi, gword ptr [ebp-0x34]
        ; gcrRegs +[esi]
        cmp      edi, dword ptr [esi+0x04]
-       jae      G_M46208_IG21
+       jae      SHORT G_M46208_IG18
        lea      edi, bword ptr [esi+8*edi+0x08]
        ; byrRegs +[edi]
        movzx    ebx, byte  ptr [edi]
@@ -180,7 +175,7 @@ G_M46208_IG12:        ; bbWeight=16, gcrefRegs=00000000 {}, byrefRegs=00000000 {
        ; byrRegs -[edi]
        mov      esi, gword ptr [ebp+0x0C]
        cmp      edx, dword ptr [esi+0x04]
-       jae      SHORT G_M46208_IG21
+       jae      SHORT G_M46208_IG18
        mov      gword ptr [ebp+0x0C], esi
        lea      esi, bword ptr [esi+8*edx+0x08]
        ; gcrRegs -[esi]
@@ -192,51 +187,45 @@ G_M46208_IG12:        ; bbWeight=16, gcrefRegs=00000000 {}, byrefRegs=00000000 {
        lea      esi, [ebx+0x01]
        ; byrRegs -[esi]
        cmp      edx, esi
-       jne      SHORT G_M46208_IG12
-                       ;; size=69 bbWeight=16 PerfScore 464.00
-G_M46208_IG13:        ; bbWeight=8, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
-       mov      esi, gword ptr [ebp+0x0C]
-       ; gcrRegs +[esi]
-       mov      edi, gword ptr [ebp+0x08]
-       ; gcrRegs +[edi]
-                       ;; size=6 bbWeight=8 PerfScore 16.00
-G_M46208_IG14:        ; bbWeight=4, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref, isz
+       jne      SHORT G_M46208_IG11
+                       ;; size=65 bbWeight=16 PerfScore 464.00
+G_M46208_IG12:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        mov      edx, eax
        sub      edx, ecx
        cmp      edx, 2
-       jl       SHORT G_M46208_IG16
+       jl       SHORT G_M46208_IG14
                        ;; size=9 bbWeight=4 PerfScore 7.00
-G_M46208_IG15:        ; bbWeight=2, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
+G_M46208_IG13:        ; bbWeight=2, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        push     ecx
        mov      dword ptr [ebp-0x18], eax
        mov      edx, eax
        sub      edx, ecx
        push     edx
-       mov      ebx, gword ptr [ebp-0x38]
-       ; gcrRegs +[ebx]
-       push     ebx
+       mov      esi, gword ptr [ebp-0x38]
+       ; gcrRegs +[esi]
+       push     esi
        ; gcr arg push 2
        mov      ecx, gword ptr [ebp-0x30]
        ; gcrRegs +[ecx]
-       mov      edx, esi
+       mov      edx, gword ptr [ebp+0x0C]
        ; gcrRegs +[edx]
        call     [System.Array:Sort[int,System.Nullable`1[int]](int[],System.Nullable`1[int][],int,int,System.Collections.Generic.IComparer`1[int])]
        ; gcrRegs -[ecx edx]
        ; gcr arg pop 1
        mov      eax, dword ptr [ebp-0x18]
-                        ;; size=27 bbWeight=2 PerfScore 21.50
-G_M46208_IG16:        ; bbWeight=4, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
-       ; gcrRegs -[ebx]
-       mov      ecx, eax
-       mov      eax, dword ptr [ebp-0x10]
-       cmp      ecx, eax
-       mov      dword ptr [ebp-0x14], ecx
-       mov      gword ptr [ebp+0x0C], esi
-       mov      ebx, dword ptr [ebp-0x24]
-       jl       G_M46208_IG05
-                       ;; size=22 bbWeight=4 PerfScore 22.00
-G_M46208_IG17:        ; bbWeight=1, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, epilog, nogc
-       ; gcrRegs -[esi edi]
+                      ;; size=28 bbWeight=2 PerfScore 23.00
+G_M46208_IG14:        ; bbWeight=4, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs -[esi]
+       mov      ebx, eax
+       mov      edi, dword ptr [ebp-0x10]
+       cmp      ebx, edi
+       mov      dword ptr [ebp-0x14], ebx
+       mov      esi, gword ptr [ebp+0x0C]
+       ; gcrRegs +[esi]
+       jl       SHORT G_M46208_IG16
+                       ;; size=15 bbWeight=4 PerfScore 18.00
+G_M46208_IG15:        ; bbWeight=1, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref, epilog, nogc
+       ; gcrRegs -[esi]
        ; GC ptr vars -{V01 V05 V08 V09}
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -245,32 +234,28 @@ G_M46208_IG17:        ; bbWeight=1, gcVars=00000000 {}, gcrefRegs=00000000 {}, b
        pop      ebp
        ret      8
                        ;; size=10 bbWeight=1 PerfScore 4.50
-G_M46208_IG18:        ; bbWeight=8, gcVars=00090240 {V01 V05 V08 V09}, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs +[edi]
-       ; GC ptr vars +{V01 V05 V06 V08 V09 V16 V19}
-       mov      esi, gword ptr [ebp+0x0C]
+G_M46208_IG16:        ; bbWeight=2, gcVars=00090240 {V01 V05 V08 V09}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs +[esi]
-       jmp      SHORT G_M46208_IG14
-                       ;; size=5 bbWeight=8 PerfScore 24.00
-G_M46208_IG19:        ; bbWeight=8, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref
-       ; gcrRegs -[esi]
+       ; GC ptr vars +{V01 V05 V06 V08 V09 V16 V19}
        mov      ebx, dword ptr [ebp-0x24]
-       jmp      G_M46208_IG06
-                       ;; size=8 bbWeight=8 PerfScore 24.00
-G_M46208_IG20:        ; bbWeight=16, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, byref
+       mov      edi, gword ptr [ebp+0x08]
+       ; gcrRegs +[edi]
+       jmp      G_M46208_IG05
+                       ;; size=11 bbWeight=2 PerfScore 8.00
+G_M46208_IG17:        ; bbWeight=16, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000000 {}, byref
        jmp      G_M46208_IG10
                        ;; size=5 bbWeight=16 PerfScore 32.00
-G_M46208_IG21:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[edi]
+G_M46208_IG18:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
+       ; gcrRegs -[esi edi]
        ; GC ptr vars -{V01 V05 V06 V08 V09 V16 V19}
        call     CORINFO_HELP_RNGCHKFAIL
                        ;; size=5 bbWeight=0 PerfScore 0.00
-G_M46208_IG22:        ; bbWeight=0, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M46208_IG19:        ; bbWeight=0, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        mov      ecx, 74
        call     [System.ThrowHelper:ThrowArgumentNullException(int)]
        int3     
                        ;; size=12 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 446, prolog size 21, PerfScore 1152.75, instruction count 146, allocated bytes for code 446 (MethodHash=3c7c4b7f) for method Microsoft.FSharp.Primitives.Basics.Array:stableSortWithKeysAndComparer[ubyte,System.Nullable`1[int]](System.Collections.Generic.IComparer`1[ubyte],System.Collections.Generic.IComparer`1[ubyte],System.Nullable`1[int][],ubyte[]) (FullOpts)
+; Total bytes of code 414, prolog size 21, PerfScore 1085.25, instruction count 140, allocated bytes for code 414 (MethodHash=3c7c4b7f) for method Microsoft.FSharp.Primitives.Basics.Array:stableSortWithKeysAndComparer[ubyte,System.Nullable`1[int]](System.Collections.Generic.IComparer`1[ubyte],System.Collections.Generic.IComparer`1[ubyte],System.Nullable`1[int][],ubyte[]) (FullOpts)
...

-20 (-7.12%) : 290287.dasm - System.Speech.Internal.Synthesis.VoiceSynthesis:MatchVoice(System.Globalization.CultureInfo,int,int,int,ubyte,byref):System.Speech.Internal.Synthesis.TTSVoice:this (FullOpts) 

@@ -18,17 +18,17 @@
 ;  V07 loc0         [V07,T08] (  4,  3   )     ref  ->  [ebp-0x14]  class-hnd <System.Speech.Internal.Synthesis.TTSVoice>
 ;  V08 loc1         [V08,T02] ( 10, 23.50)     ref  ->  [ebp-0x18]  class-hnd exact spill-single-def <<unknown class>>
 ;  V09 loc2         [V09,T00] (  9, 28   )     int  ->  [ebp-0x10] 
-;  V10 loc3         [V10,T04] (  6,  6   )     ref  ->  [ebp-0x1C]  class-hnd <System.Speech.Synthesis.InstalledVoice>
-;  V11 tmp0         [V11,T06] (  3,  6   )     ref  ->  [ebp-0x20]  class-hnd exact spill-single-def "NewObj constructor temp" <<unknown class>>
+;  V10 loc3         [V10,T04] (  6,  6   )     ref  ->  registers   class-hnd <System.Speech.Synthesis.InstalledVoice>
+;  V11 tmp0         [V11,T06] (  3,  6   )     ref  ->  [ebp-0x1C]  class-hnd exact spill-single-def "NewObj constructor temp" <<unknown class>>
 ;* V12 tmp1         [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.__Canon>
 ;* V13 tmp2         [V13    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V14 tmp3         [V14,T15] (  3,  1.50)     int  ->  eax         "Inline stloc first use temp"
 ;  V15 tmp4         [V15,T01] (  3, 24   )     ref  ->  ecx         "arr expr"
 ;  V16 tmp5         [V16,T03] (  2,  8   )     ref  ->  ecx         "argument with side effect"
-;  V17 tmp6         [V17,T10] (  2,  2   )     ref  ->  [ebp-0x24]  spill-single-def "argument with side effect"
+;  V17 tmp6         [V17,T10] (  2,  2   )     ref  ->  edx         "argument with side effect"
 ;  V18 tmp7         [V18,T11] (  2,  2   )     ref  ->  ecx         "argument with side effect"
 ;
-; Lcl frame size = 24
+; Lcl frame size = 16
 
 G_M64973_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -36,7 +36,7 @@ G_M64973_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 24
+       sub      esp, 16
        mov      edi, ecx
        ; gcrRegs +[edi]
        mov      esi, edx
@@ -51,7 +51,7 @@ G_M64973_IG02:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=0000
        ; GC ptr vars +{V07}
        mov      ecx, 0xD1FFAB1E      ; <unknown class>
        call     CORINFO_HELP_NEWSFAST
-       mov      gword ptr [ebp-0x20], eax
+       mov      gword ptr [ebp-0x1C], eax
        ; GC ptr vars +{V11}
        mov      edx, gword ptr [edi+0x58]
        ; gcrRegs +[edx]
@@ -59,7 +59,7 @@ G_M64973_IG02:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=0000
        ; gcrRegs +[ecx]
        call     [<unknown method>]
        ; gcrRegs -[eax ecx edx]
-       mov      eax, gword ptr [ebp-0x20]
+       mov      eax, gword ptr [ebp-0x1C]
        ; gcrRegs +[eax]
        mov      gword ptr [ebp-0x18], eax
        ; GC ptr vars +{V08}
@@ -70,11 +70,11 @@ G_M64973_IG02:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=0000
 G_M64973_IG03:        ; bbWeight=4, gcVars=00000104 {V07 V08}, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000008 {ebx}, gcvars, byref, isz
        ; GC ptr vars -{V11}
        cmp      edx, dword ptr [eax+0x08]
-       jae      G_M64973_IG15
+       jae      G_M64973_IG16
        mov      ecx, gword ptr [eax+0x04]
        ; gcrRegs +[ecx]
        cmp      edx, dword ptr [ecx+0x04]
-       jae      G_M64973_IG14
+       jae      G_M64973_IG15
        mov      ecx, gword ptr [ecx+4*edx+0x08]
        cmp      byte  ptr [ecx+0x0C], 0
        jne      SHORT G_M64973_IG05
@@ -96,16 +96,21 @@ G_M64973_IG05:        ; bbWeight=4, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=
                        ;; size=3 bbWeight=4 PerfScore 5.00
 G_M64973_IG06:        ; bbWeight=8, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000008 {ebx}, byref, isz
        cmp      dword ptr [eax+0x08], 0
-       jg       SHORT G_M64973_IG09
+       jg       SHORT G_M64973_IG10
                       ;; size=6 bbWeight=8 PerfScore 32.00
-G_M64973_IG07:        ; bbWeight=1, gcVars=00000100 {V07}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
+G_M64973_IG07:        ; bbWeight=4, gcVars=00000100 {V07}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[eax esi edi]
        ; byrRegs -[ebx]
        ; GC ptr vars -{V08}
-       mov      eax, gword ptr [ebp-0x14]
+       mov      edi, gword ptr [ebp-0x14]
+       ; gcrRegs +[edi]
+                       ;; size=3 bbWeight=4 PerfScore 4.00
+G_M64973_IG08:        ; bbWeight=1, gcVars=00000000 {}, gcrefRegs=00000080 {edi}, byrefRegs=00000000 {}, gcvars, byref
+       ; GC ptr vars -{V07}
+       mov      eax, edi
        ; gcrRegs +[eax]
-                      ;; size=3 bbWeight=1 PerfScore 1.00
-G_M64973_IG08:        ; bbWeight=1, epilog, nogc, extend
+                     ;; size=2 bbWeight=1 PerfScore 0.25
+G_M64973_IG09:        ; bbWeight=1, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
        pop      esi
@@ -113,10 +118,10 @@ G_M64973_IG08:        ; bbWeight=1, epilog, nogc, extend
        pop      ebp
        ret      20
                        ;; size=10 bbWeight=1 PerfScore 4.50
-G_M64973_IG09:        ; bbWeight=2, gcVars=00000104 {V07 V08}, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000008 {ebx}, gcvars, byref, isz
-       ; gcrRegs +[esi edi]
+G_M64973_IG10:        ; bbWeight=2, gcVars=00000104 {V07 V08}, gcrefRegs=000000C1 {eax esi edi}, byrefRegs=00000008 {ebx}, gcvars, byref, isz
+       ; gcrRegs +[esi]
        ; byrRegs +[ebx]
-       ; GC ptr vars +{V02 V08}
+       ; GC ptr vars +{V02 V07 V08}
        mov      ecx, gword ptr [ebx]
        ; gcrRegs +[ecx]
        push     dword ptr [ebp+0x18]
@@ -129,91 +134,79 @@ G_M64973_IG09:        ; bbWeight=2, gcVars=00000104 {V07 V08}, gcrefRegs=000000C
        call     [<unknown method>]
        ; gcrRegs -[ecx edx]
        ; gcr arg pop 1
-       mov      ecx, eax
-       ; gcrRegs +[ecx]
-       test     ecx, ecx
-       je       SHORT G_M64973_IG13
-                       ;; size=26 bbWeight=2 PerfScore 21.50
-G_M64973_IG10:        ; bbWeight=0.50, gcVars=00000004 {V08}, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000008 {ebx}, gcvars, byref, isz
-       ; gcrRegs -[eax esi]
+       test     eax, eax
+       je       SHORT G_M64973_IG14
+                       ;; size=24 bbWeight=2 PerfScore 21.00
+G_M64973_IG11:        ; bbWeight=0.50, gcVars=00000004 {V08}, gcrefRegs=00000081 {eax edi}, byrefRegs=00000008 {ebx}, gcvars, byref, isz
+       ; gcrRegs -[esi]
        ; GC ptr vars -{V02 V07 V08}
-       mov      gword ptr [ebp-0x1C], ecx
-       ; GC ptr vars +{V10}
-       mov      edx, gword ptr [ecx+0x04]
-       ; gcrRegs +[edx]
-       mov      gword ptr [ebp-0x24], edx
-       ; GC ptr vars +{V17}
-       movzx    edx, byte  ptr [ebp+0x0C]
-       ; gcrRegs -[edx]
-       push     edx
-       mov      edx, gword ptr [ebp-0x24]
-       ; gcrRegs +[edx]
-       mov      ecx, edi
-       ; GC ptr vars -{V10 V17} +{V08}
-       call     [<unknown method>]
-       ; gcrRegs -[ecx edx edi] +[eax]
        mov      esi, eax
        ; gcrRegs +[esi]
-       test     esi, esi
-       mov      gword ptr [ebp-0x14], esi
-       ; GC ptr vars +{V07}
-       jne      SHORT G_M64973_IG07
-       mov      eax, gword ptr [ebp-0x18]
-       mov      edi, gword ptr [ebp-0x1C]
+       mov      edx, gword ptr [esi+0x04]
+       ; gcrRegs +[edx]
+       movzx    ecx, byte  ptr [ebp+0x0C]
+       push     ecx
+       mov      ecx, edi
+       ; gcrRegs +[ecx]
+       call     [<unknown method>]
+       ; gcrRegs -[ecx edx edi]
+       mov      edi, eax
        ; gcrRegs +[edi]
+       test     edi, edi
+       jne      SHORT G_M64973_IG08
+       mov      eax, gword ptr [ebp-0x18]
        mov      ecx, gword ptr [eax+0x04]
        ; gcrRegs +[ecx]
        push     0
        push     dword ptr [eax+0x08]
        push     0xD1FFAB1E
-       mov      edx, edi
+       mov      edx, esi
        ; gcrRegs +[edx]
        call     [<unknown method>]
-       ; gcrRegs -[eax ecx edx esi]
+       ; gcrRegs -[eax ecx edx]
        test     eax, eax
-       jl       SHORT G_M64973_IG12
-                       ;; size=65 bbWeight=0.50 PerfScore 12.62
-G_M64973_IG11:        ; bbWeight=0.50, gcrefRegs=00000080 {edi}, byrefRegs=00000008 {ebx}, byref
+       jl       SHORT G_M64973_IG13
+                       ;; size=52 bbWeight=0.50 PerfScore 10.25
+G_M64973_IG12:        ; bbWeight=0.50, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000008 {ebx}, byref
        mov      ecx, gword ptr [ebp-0x18]
        ; gcrRegs +[ecx]
        mov      edx, eax
-       ; GC ptr vars -{V08}
        call     [<unknown method>]
        ; gcrRegs -[ecx]
                        ;; size=11 bbWeight=0.50 PerfScore 2.12
-G_M64973_IG12:        ; bbWeight=0.50, gcrefRegs=00000080 {edi}, byrefRegs=00000008 {ebx}, byref
+G_M64973_IG13:        ; bbWeight=0.50, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000008 {ebx}, byref, isz
        movzx    ecx, byte  ptr [ebp+0x0C]
        push     ecx
-       mov      ecx, edi
+       mov      ecx, esi
        ; gcrRegs +[ecx]
        xor      edx, edx
        call     [<unknown method>]
        ; gcrRegs -[ecx]
-       cmp      edi, gword ptr [ebx]
-       jne      G_M64973_IG07
+       cmp      esi, gword ptr [ebx]
+       jne      SHORT G_M64973_IG08
        xor      eax, eax
        ; gcrRegs +[eax]
        mov      gword ptr [ebx], eax
-       jmp      G_M64973_IG07
-                       ;; size=32 bbWeight=0.50 PerfScore 6.38
-G_M64973_IG13:        ; bbWeight=1, gcVars=00000104 {V07 V08}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000008 {ebx}, gcvars, byref
-       ; gcrRegs -[eax] +[esi]
-       ; GC ptr vars +{V02 V08}
+       jmp      SHORT G_M64973_IG08
+                       ;; size=25 bbWeight=0.50 PerfScore 6.38
+G_M64973_IG14:        ; bbWeight=1, gcVars=00000104 {V07 V08}, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000008 {ebx}, gcvars, byref
+       ; gcrRegs -[eax]
+       ; GC ptr vars +{V02 V07 V08}
        mov      eax, gword ptr [ebp-0x18]
        ; gcrRegs +[eax]
        jmp      G_M64973_IG06
                        ;; size=8 bbWeight=1 PerfScore 3.00
-G_M64973_IG14:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
+G_M64973_IG15:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[eax esi edi]
        ; byrRegs -[ebx]
        ; GC ptr vars -{V02 V07 V08}
        call     CORINFO_HELP_RNGCHKFAIL
                        ;; size=5 bbWeight=0 PerfScore 0.00
-G_M64973_IG15:        ; bbWeight=0, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M64973_IG16:        ; bbWeight=0, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        call     [System.ThrowHelper:ThrowArgumentOutOfRange_IndexMustBeLessException()]
        int3     
                        ;; size=7 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 281, prolog size 16, PerfScore 184.62, instruction count 96, allocated bytes for code 281 (MethodHash=5fbe0232) for method System.Speech.Internal.Synthesis.VoiceSynthesis:MatchVoice(System.Globalization.CultureInfo,int,int,int,ubyte,byref):System.Speech.Internal.Synthesis.TTSVoice:this (FullOpts)
+; Total bytes of code 261, prolog size 16, PerfScore 185.00, instruction count 92, allocated bytes for code 261 (MethodHash=5fbe0232) for method System.Speech.Internal.Synthesis.VoiceSynthesis:MatchVoice(System.Globalization.CultureInfo,int,int,int,ubyte,byref):System.Speech.Internal.Synthesis.TTSVoice:this (FullOpts)
 ; ============================================================

+10 (+200.00%) : 171240.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder[System.__Canon,System.Nullable1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary2+Builder+KeyCollection[System.__Canon,System.Nullable1[int]]:this (FullOpts) 

@@ -12,9 +12,9 @@
 ;* V01 tmp0         [V01    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]>
 ;* V02 tmp1         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V03 tmp2         [V03    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V01._dictionary (fldOffset=0x0)" P-INDEP
-;* V04 rat0         [V04,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V04 rat0         [V04,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V05 rat1         [V05,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V06 rat2         [V06,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V06 rat2         [V06,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -22,14 +22,18 @@ G_M7872_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M7872_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x10]
+       test     eax, eax
        mov      eax, ecx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=14 bbWeight=1 PerfScore 8.50
 G_M7872_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=9d20e13f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
+; Total bytes of code 15, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 15 (MethodHash=9d20e13f) for method Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
 ; ============================================================

+11 (+220.00%) : 16422.dasm - Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.Canon]:Invoke(System.Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts) 

@@ -13,9 +13,9 @@
 ;* V02 tmp0         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]>
 ;* V03 tmp1         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 tmp2         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02.value (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T03] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T04] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -23,14 +23,18 @@ G_M33213_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M33213_IG02:        ; bbWeight=1, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx edx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax+0x04]
+       mov      eax, dword ptr [eax+0x08]
+       test     eax, eax
        mov      eax, edx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=15 bbWeight=1 PerfScore 8.50
 G_M33213_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=44387e42) for method Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
+; Total bytes of code 16, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 16 (MethodHash=44387e42) for method Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
 ; ============================================================

+11 (+220.00%) : 23343.dasm - Microsoft.FSharp.Collections.ArrayModule+Parallel+Reduce@2143[System.Canon]:Invoke(System.Canon):System.__Canon:this (FullOpts) 

@@ -11,9 +11,9 @@
 ;  V00 this         [V00,T01] (  3,  3   )     ref  ->  ecx         this class-hnd single-def <Microsoft.FSharp.Collections.ArrayModule+Parallel+Reduce@2143[System.__Canon]>
 ;  V01 arg1         [V01,T02] (  3,  3   )     ref  ->  edx         class-hnd single-def <System.__Canon>
 ;* V02 tmp0         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
-;* V03 rat0         [V03,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V03 rat0         [V03,T03] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V04 rat1         [V04,T04] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat2         [V05,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat2         [V05,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -21,14 +21,18 @@ G_M35994_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M35994_IG02:        ; bbWeight=1, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx edx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax+0x04]
+       mov      eax, dword ptr [eax+0x08]
+       test     eax, eax
        mov      eax, edx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=15 bbWeight=1 PerfScore 8.50
 G_M35994_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=e2ee7365) for method Microsoft.FSharp.Collections.ArrayModule+Parallel+Reduce@2143[System.__Canon]:Invoke(System.__Canon):System.__Canon:this (FullOpts)
+; Total bytes of code 16, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 16 (MethodHash=e2ee7365) for method Microsoft.FSharp.Collections.ArrayModule+Parallel+Reduce@2143[System.__Canon]:Invoke(System.__Canon):System.__Canon:this (FullOpts)
 ; ============================================================

libraries_tests.run.windows.x86.Release.mch

-15 (-11.90%) : 187641.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Canon]:TryEnqueue(System.Canon):ubyte:this (Tier1) 

@@ -9,17 +9,16 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  6,  5.56)     ref  ->  ecx         this class-hnd single-def <System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]>
-;  V01 arg1         [V01,T02] (  3,  2.56)     ref  ->  [ebp-0x18]  class-hnd single-def <System.__Canon>
-;  V02 loc0         [V02,T04] (  3,  3   )     ref  ->  edi         class-hnd exact single-def <<unknown class>>
+;  V01 arg1         [V01,T02] (  3,  2.56)     ref  ->  [ebp-0x14]  class-hnd single-def <System.__Canon>
+;  V02 loc0         [V02,T04] (  3,  3   )     ref  ->  edx         class-hnd exact single-def <<unknown class>>
 ;  V03 loc1         [V03,T01] (  6,  4.67)     int  ->  [ebp-0x10]  spill-single-def
-;  V04 loc2         [V04,T05] (  3,  3   )     int  ->  edx        
+;  V04 loc2         [V04,T05] (  3,  3   )     int  ->  edi        
 ;* V05 loc3         [V05    ] (  0,  0   )     int  ->  zero-ref   
-;  V06 loc4         [V06,T06] (  3,  2.44)     int  ->  edx        
-;  V07 cse0         [V07,T03] (  4,  3.11)   byref  ->  ebx         "CSE - moderate"
-;  V08 cse1         [V08,T07] (  3,  1.67)     int  ->  [ebp-0x14]  "CSE - moderate"
-;  TEMP_01                                   byref  ->  [ebp-0x1C]
+;  V06 loc4         [V06,T06] (  3,  2.44)     int  ->  ebx        
+;  V07 cse0         [V07,T03] (  4,  3.11)   byref  ->  edi         "CSE - moderate"
+;  V08 cse1         [V08,T07] (  3,  1.67)     int  ->  registers   "CSE - moderate"
 ;
-; Lcl frame size = 16
+; Lcl frame size = 8
 
 G_M56054_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -27,56 +26,49 @@ G_M56054_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 16
-       xor      eax, eax
-       mov      dword ptr [ebp-0x1C], eax
-       mov      gword ptr [ebp-0x18], edx
+       sub      esp, 8
+       mov      gword ptr [ebp-0x14], edx
        ; GC ptr vars +{V01}
-                     ;; size=17 bbWeight=1 PerfScore 6.75
+                      ;; size=12 bbWeight=1 PerfScore 5.50
 G_M56054_IG02:        ; bbWeight=1, gcVars=00000004 {V01}, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs +[ecx]
-       mov      edi, gword ptr [ecx+0x04]
-       ; gcrRegs +[edi]
+       mov      edx, gword ptr [ecx+0x04]
+       ; gcrRegs +[edx]
                         ;; size=3 bbWeight=1 PerfScore 2.00
-G_M56054_IG03:        ; bbWeight=1, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000000 {}, byref, isz
+G_M56054_IG03:        ; bbWeight=1, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ecx+0x94]
        mov      dword ptr [ebp-0x10], eax
-       mov      edx, eax
-       and      edx, dword ptr [ecx+0x0C]
-       cmp      edx, dword ptr [edi+0x04]
+       mov      edi, eax
+       and      edi, dword ptr [ecx+0x0C]
+       cmp      edi, dword ptr [edx+0x04]
        jae      SHORT G_M56054_IG08
-       lea      ebx, bword ptr [edi+8*edx+0x08]
-       ; byrRegs +[ebx]
-       mov      edx, dword ptr [ebx+0x04]
-       sub      edx, eax
+       lea      edi, bword ptr [edx+8*edi+0x08]
+       ; byrRegs +[edi]
+       mov      ebx, dword ptr [edi+0x04]
+       sub      ebx, eax
        jne      SHORT G_M56054_IG06
                        ;; size=30 bbWeight=1 PerfScore 14.50
-G_M56054_IG04:        ; bbWeight=0.56, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000008 {ebx}, byref, isz
-       lea      edx, bword ptr [ecx+0x94]
-       ; byrRegs +[edx]
-       mov      bword ptr [ebp-0x1C], edx
-       lea      edx, [eax+0x01]
-       ; byrRegs -[edx]
-       mov      esi, bword ptr [ebp-0x1C]
-       ; byrRegs +[esi]
+G_M56054_IG04:        ; bbWeight=0.56, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000080 {edi}, byref, isz
+       lea      ebx, bword ptr [ecx+0x94]
+       ; byrRegs +[ebx]
+       lea      esi, [eax+0x01]
        lock     
-       cmpxchg  dword ptr [esi], edx
+       cmpxchg  dword ptr [ebx], esi
        cmp      eax, dword ptr [ebp-0x10]
-       mov      dword ptr [ebp-0x14], edx
        jne      SHORT G_M56054_IG03
-       mov      esi, gword ptr [ebp-0x18]
+       mov      eax, esi
+       mov      esi, gword ptr [ebp-0x14]
        ; gcrRegs +[esi]
-       ; byrRegs -[esi]
-       mov      edx, ebx
+       mov      edx, edi
+       ; gcrRegs -[edx]
        ; byrRegs +[edx]
        ; GC ptr vars -{V01}
        call     CORINFO_HELP_CHECKED_ASSIGN_REF_ESI
-       ; gcrRegs -[ecx esi edi]
-       ; byrRegs -[edx]
-       mov      ecx, dword ptr [ebp-0x14]
-       mov      dword ptr [ebx+0x04], ecx
+       ; gcrRegs -[ecx esi]
+       ; byrRegs -[edx ebx]
+       mov      dword ptr [edi+0x04], eax
        mov      eax, 1
-                      ;; size=48 bbWeight=0.56 PerfScore 16.39
+                      ;; size=38 bbWeight=0.56 PerfScore 14.31
 G_M56054_IG05:        ; bbWeight=0.56, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -85,11 +77,11 @@ G_M56054_IG05:        ; bbWeight=0.56, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=0.56 PerfScore 1.94
-G_M56054_IG06:        ; bbWeight=0.44, gcVars=00000004 {V01}, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs +[ecx edi]
-       ; byrRegs -[ebx]
+G_M56054_IG06:        ; bbWeight=0.44, gcVars=00000004 {V01}, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs +[ecx edx]
+       ; byrRegs -[edi]
        ; GC ptr vars +{V01 V02}
-       test     edx, edx
+       test     ebx, ebx
        jge      SHORT G_M56054_IG03
        xor      eax, eax
                        ;; size=6 bbWeight=0.44 PerfScore 0.67
@@ -102,12 +94,12 @@ G_M56054_IG07:        ; bbWeight=0.44, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=0.44 PerfScore 1.56
 G_M56054_IG08:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[ecx edi]
+       ; gcrRegs -[ecx edx]
        ; GC ptr vars -{V01 V02}
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
                        ;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 126, prolog size 17, PerfScore 43.81, instruction count 52, allocated bytes for code 126 (MethodHash=e0572509) for method System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
+; Total bytes of code 111, prolog size 12, PerfScore 40.47, instruction count 47, allocated bytes for code 111 (MethodHash=e0572509) for method System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
 ; ============================================================

-15 (-11.90%) : 220161.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Canon]:TryEnqueue(System.Canon):ubyte:this (Tier1) 

@@ -9,17 +9,16 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  6,  5.50)     ref  ->  ecx         this class-hnd single-def <System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]>
-;  V01 arg1         [V01,T02] (  3,  2.50)     ref  ->  [ebp-0x18]  class-hnd single-def <System.__Canon>
-;  V02 loc0         [V02,T04] (  3,  3   )     ref  ->  edi         class-hnd exact single-def <<unknown class>>
+;  V01 arg1         [V01,T02] (  3,  2.50)     ref  ->  [ebp-0x14]  class-hnd single-def <System.__Canon>
+;  V02 loc0         [V02,T04] (  3,  3   )     ref  ->  edx         class-hnd exact single-def <<unknown class>>
 ;  V03 loc1         [V03,T01] (  6,  4.50)     int  ->  [ebp-0x10]  spill-single-def
-;  V04 loc2         [V04,T05] (  3,  3   )     int  ->  edx        
+;  V04 loc2         [V04,T05] (  3,  3   )     int  ->  edi        
 ;* V05 loc3         [V05    ] (  0,  0   )     int  ->  zero-ref   
-;  V06 loc4         [V06,T06] (  3,  2.50)     int  ->  edx        
-;  V07 cse0         [V07,T03] (  4,  3   )   byref  ->  ebx         "CSE - moderate"
-;  V08 cse1         [V08,T07] (  3,  1.50)     int  ->  [ebp-0x14]  "CSE - moderate"
-;  TEMP_01                                   byref  ->  [ebp-0x1C]
+;  V06 loc4         [V06,T06] (  3,  2.50)     int  ->  ebx        
+;  V07 cse0         [V07,T03] (  4,  3   )   byref  ->  edi         "CSE - moderate"
+;  V08 cse1         [V08,T07] (  3,  1.50)     int  ->  registers   "CSE - moderate"
 ;
-; Lcl frame size = 16
+; Lcl frame size = 8
 
 G_M56054_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -27,56 +26,49 @@ G_M56054_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 16
-       xor      eax, eax
-       mov      dword ptr [ebp-0x1C], eax
-       mov      gword ptr [ebp-0x18], edx
+       sub      esp, 8
+       mov      gword ptr [ebp-0x14], edx
        ; GC ptr vars +{V01}
-                     ;; size=17 bbWeight=1 PerfScore 6.75
+                      ;; size=12 bbWeight=1 PerfScore 5.50
 G_M56054_IG02:        ; bbWeight=1, gcVars=00000004 {V01}, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs +[ecx]
-       mov      edi, gword ptr [ecx+0x04]
-       ; gcrRegs +[edi]
+       mov      edx, gword ptr [ecx+0x04]
+       ; gcrRegs +[edx]
                         ;; size=3 bbWeight=1 PerfScore 2.00
-G_M56054_IG03:        ; bbWeight=1, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000000 {}, byref, isz
+G_M56054_IG03:        ; bbWeight=1, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ecx+0x94]
        mov      dword ptr [ebp-0x10], eax
-       mov      edx, eax
-       and      edx, dword ptr [ecx+0x0C]
-       cmp      edx, dword ptr [edi+0x04]
+       mov      edi, eax
+       and      edi, dword ptr [ecx+0x0C]
+       cmp      edi, dword ptr [edx+0x04]
        jae      SHORT G_M56054_IG08
-       lea      ebx, bword ptr [edi+8*edx+0x08]
-       ; byrRegs +[ebx]
-       mov      edx, dword ptr [ebx+0x04]
-       sub      edx, eax
+       lea      edi, bword ptr [edx+8*edi+0x08]
+       ; byrRegs +[edi]
+       mov      ebx, dword ptr [edi+0x04]
+       sub      ebx, eax
        jne      SHORT G_M56054_IG06
                        ;; size=30 bbWeight=1 PerfScore 14.50
-G_M56054_IG04:        ; bbWeight=0.50, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000008 {ebx}, byref, isz
-       lea      edx, bword ptr [ecx+0x94]
-       ; byrRegs +[edx]
-       mov      bword ptr [ebp-0x1C], edx
-       lea      edx, [eax+0x01]
-       ; byrRegs -[edx]
-       mov      esi, bword ptr [ebp-0x1C]
-       ; byrRegs +[esi]
+G_M56054_IG04:        ; bbWeight=0.50, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000080 {edi}, byref, isz
+       lea      ebx, bword ptr [ecx+0x94]
+       ; byrRegs +[ebx]
+       lea      esi, [eax+0x01]
        lock     
-       cmpxchg  dword ptr [esi], edx
+       cmpxchg  dword ptr [ebx], esi
        cmp      eax, dword ptr [ebp-0x10]
-       mov      dword ptr [ebp-0x14], edx
        jne      SHORT G_M56054_IG03
-       mov      esi, gword ptr [ebp-0x18]
+       mov      eax, esi
+       mov      esi, gword ptr [ebp-0x14]
        ; gcrRegs +[esi]
-       ; byrRegs -[esi]
-       mov      edx, ebx
+       mov      edx, edi
+       ; gcrRegs -[edx]
        ; byrRegs +[edx]
        ; GC ptr vars -{V01}
        call     CORINFO_HELP_CHECKED_ASSIGN_REF_ESI
-       ; gcrRegs -[ecx esi edi]
-       ; byrRegs -[edx]
-       mov      ecx, dword ptr [ebp-0x14]
-       mov      dword ptr [ebx+0x04], ecx
+       ; gcrRegs -[ecx esi]
+       ; byrRegs -[edx ebx]
+       mov      dword ptr [edi+0x04], eax
        mov      eax, 1
-                      ;; size=48 bbWeight=0.50 PerfScore 14.75
+                      ;; size=38 bbWeight=0.50 PerfScore 12.88
 G_M56054_IG05:        ; bbWeight=0.50, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -85,11 +77,11 @@ G_M56054_IG05:        ; bbWeight=0.50, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=0.50 PerfScore 1.75
-G_M56054_IG06:        ; bbWeight=0.50, gcVars=00000004 {V01}, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs +[ecx edi]
-       ; byrRegs -[ebx]
+G_M56054_IG06:        ; bbWeight=0.50, gcVars=00000004 {V01}, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs +[ecx edx]
+       ; byrRegs -[edi]
        ; GC ptr vars +{V01 V02}
-       test     edx, edx
+       test     ebx, ebx
        jge      SHORT G_M56054_IG03
        xor      eax, eax
                        ;; size=6 bbWeight=0.50 PerfScore 0.75
@@ -102,12 +94,12 @@ G_M56054_IG07:        ; bbWeight=0.50, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=0.50 PerfScore 1.75
 G_M56054_IG08:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[ecx edi]
+       ; gcrRegs -[ecx edx]
        ; GC ptr vars -{V01 V02}
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
                        ;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 126, prolog size 17, PerfScore 42.25, instruction count 52, allocated bytes for code 126 (MethodHash=e0572509) for method System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
+; Total bytes of code 111, prolog size 12, PerfScore 39.12, instruction count 47, allocated bytes for code 111 (MethodHash=e0572509) for method System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
 ; ============================================================

-15 (-11.90%) : 247553.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Canon]:TryEnqueue(System.Canon):ubyte:this (Tier1) 

@@ -9,17 +9,16 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  6,  5.54)     ref  ->  ecx         this class-hnd single-def <System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]>
-;  V01 arg1         [V01,T02] (  3,  2.54)     ref  ->  [ebp-0x18]  class-hnd single-def <System.__Canon>
-;  V02 loc0         [V02,T04] (  3,  3   )     ref  ->  edi         class-hnd exact single-def <<unknown class>>
+;  V01 arg1         [V01,T02] (  3,  2.54)     ref  ->  [ebp-0x14]  class-hnd single-def <System.__Canon>
+;  V02 loc0         [V02,T04] (  3,  3   )     ref  ->  edx         class-hnd exact single-def <<unknown class>>
 ;  V03 loc1         [V03,T01] (  6,  4.62)     int  ->  [ebp-0x10]  spill-single-def
-;  V04 loc2         [V04,T05] (  3,  3   )     int  ->  edx        
+;  V04 loc2         [V04,T05] (  3,  3   )     int  ->  edi        
 ;* V05 loc3         [V05    ] (  0,  0   )     int  ->  zero-ref   
-;  V06 loc4         [V06,T06] (  3,  2.46)     int  ->  edx        
-;  V07 cse0         [V07,T03] (  4,  3.08)   byref  ->  ebx         "CSE - moderate"
-;  V08 cse1         [V08,T07] (  3,  1.62)     int  ->  [ebp-0x14]  "CSE - moderate"
-;  TEMP_01                                   byref  ->  [ebp-0x1C]
+;  V06 loc4         [V06,T06] (  3,  2.46)     int  ->  ebx        
+;  V07 cse0         [V07,T03] (  4,  3.08)   byref  ->  edi         "CSE - moderate"
+;  V08 cse1         [V08,T07] (  3,  1.62)     int  ->  registers   "CSE - moderate"
 ;
-; Lcl frame size = 16
+; Lcl frame size = 8
 
 G_M56054_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -27,56 +26,49 @@ G_M56054_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 16
-       xor      eax, eax
-       mov      dword ptr [ebp-0x1C], eax
-       mov      gword ptr [ebp-0x18], edx
+       sub      esp, 8
+       mov      gword ptr [ebp-0x14], edx
        ; GC ptr vars +{V01}
-                     ;; size=17 bbWeight=1 PerfScore 6.75
+                      ;; size=12 bbWeight=1 PerfScore 5.50
 G_M56054_IG02:        ; bbWeight=1, gcVars=00000004 {V01}, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs +[ecx]
-       mov      edi, gword ptr [ecx+0x04]
-       ; gcrRegs +[edi]
+       mov      edx, gword ptr [ecx+0x04]
+       ; gcrRegs +[edx]
                         ;; size=3 bbWeight=1 PerfScore 2.00
-G_M56054_IG03:        ; bbWeight=1, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000000 {}, byref, isz
+G_M56054_IG03:        ; bbWeight=1, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ecx+0x94]
        mov      dword ptr [ebp-0x10], eax
-       mov      edx, eax
-       and      edx, dword ptr [ecx+0x0C]
-       cmp      edx, dword ptr [edi+0x04]
+       mov      edi, eax
+       and      edi, dword ptr [ecx+0x0C]
+       cmp      edi, dword ptr [edx+0x04]
        jae      SHORT G_M56054_IG08
-       lea      ebx, bword ptr [edi+8*edx+0x08]
-       ; byrRegs +[ebx]
-       mov      edx, dword ptr [ebx+0x04]
-       sub      edx, eax
+       lea      edi, bword ptr [edx+8*edi+0x08]
+       ; byrRegs +[edi]
+       mov      ebx, dword ptr [edi+0x04]
+       sub      ebx, eax
        jne      SHORT G_M56054_IG06
                        ;; size=30 bbWeight=1 PerfScore 14.50
-G_M56054_IG04:        ; bbWeight=0.54, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000008 {ebx}, byref, isz
-       lea      edx, bword ptr [ecx+0x94]
-       ; byrRegs +[edx]
-       mov      bword ptr [ebp-0x1C], edx
-       lea      edx, [eax+0x01]
-       ; byrRegs -[edx]
-       mov      esi, bword ptr [ebp-0x1C]
-       ; byrRegs +[esi]
+G_M56054_IG04:        ; bbWeight=0.54, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000080 {edi}, byref, isz
+       lea      ebx, bword ptr [ecx+0x94]
+       ; byrRegs +[ebx]
+       lea      esi, [eax+0x01]
        lock     
-       cmpxchg  dword ptr [esi], edx
+       cmpxchg  dword ptr [ebx], esi
        cmp      eax, dword ptr [ebp-0x10]
-       mov      dword ptr [ebp-0x14], edx
        jne      SHORT G_M56054_IG03
-       mov      esi, gword ptr [ebp-0x18]
+       mov      eax, esi
+       mov      esi, gword ptr [ebp-0x14]
        ; gcrRegs +[esi]
-       ; byrRegs -[esi]
-       mov      edx, ebx
+       mov      edx, edi
+       ; gcrRegs -[edx]
        ; byrRegs +[edx]
        ; GC ptr vars -{V01}
        call     CORINFO_HELP_CHECKED_ASSIGN_REF_ESI
-       ; gcrRegs -[ecx esi edi]
-       ; byrRegs -[edx]
-       mov      ecx, dword ptr [ebp-0x14]
-       mov      dword ptr [ebx+0x04], ecx
+       ; gcrRegs -[ecx esi]
+       ; byrRegs -[edx ebx]
+       mov      dword ptr [edi+0x04], eax
        mov      eax, 1
-                      ;; size=48 bbWeight=0.54 PerfScore 15.88
+                      ;; size=38 bbWeight=0.54 PerfScore 13.87
 G_M56054_IG05:        ; bbWeight=0.54, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -85,11 +77,11 @@ G_M56054_IG05:        ; bbWeight=0.54, epilog, nogc, extend
        pop      ebp
        ret      
                        ;; size=8 bbWeight=0.54 PerfScore 1.88
-G_M56054_IG06:        ; bbWeight=0.46, gcVars=00000004 {V01}, gcrefRegs=00000082 {ecx edi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       ; gcrRegs +[ecx edi]
-       ; byrRegs -[ebx]
+G_M56054_IG06:        ; bbWeight=0.46, gcVars=00000004 {V01}, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs +[ecx edx]
+       ; byrRegs -[edi]
        ; GC ptr vars +{V01 V02}
-       test     edx, edx
+       test     ebx, ebx
        jge      SHORT G_M56054_IG03
        xor      eax, eax
                        ;; size=6 bbWeight=0.46 PerfScore 0.69
@@ -102,12 +94,12 @@ G_M56054_IG07:        ; bbWeight=0.46, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=0.46 PerfScore 1.62
 G_M56054_IG08:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
-       ; gcrRegs -[ecx edi]
+       ; gcrRegs -[ecx edx]
        ; GC ptr vars -{V01 V02}
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
                        ;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 126, prolog size 17, PerfScore 43.33, instruction count 52, allocated bytes for code 126 (MethodHash=e0572509) for method System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
+; Total bytes of code 111, prolog size 12, PerfScore 40.06, instruction count 47, allocated bytes for code 111 (MethodHash=e0572509) for method System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
 ; ============================================================

+10 (+111.11%) : 562424.dasm - System.Text.Json.Serialization.Tests.StructDictionary2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair2[System.Canon,System.Text.Json.JsonElement]):System.Canon:this (Tier1) 

@@ -11,9 +11,9 @@
 ;  V00 this         [V00,T01] (  3,  3   )     ref  ->  ecx         this class-hnd single-def <System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]>
 ;  V01 arg1         [V01,T04] (  1,  1   )  struct (12) [esp+0x04]  do-not-enreg[SF] ld-addr-op single-def <System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]>
 ;* V02 tmp0         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
-;* V03 rat0         [V03,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V03 rat0         [V03,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V04 rat1         [V04,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat2         [V05,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat2         [V05,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -21,14 +21,18 @@ G_M16336_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M16336_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x0C]
+       test     eax, eax
        mov      eax, gword ptr [esp+0x04]
        ; gcrRegs +[eax]
-                      ;; size=6 bbWeight=1 PerfScore 4.00
+                       ;; size=16 bbWeight=1 PerfScore 9.25
 G_M16336_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      12
                        ;; size=3 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 9, prolog size 0, PerfScore 6.00, instruction count 3, allocated bytes for code 9 (MethodHash=94f4c02f) for method System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (Tier1)
+; Total bytes of code 19, prolog size 0, PerfScore 11.25, instruction count 7, allocated bytes for code 19 (MethodHash=94f4c02f) for method System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (Tier1)
 ; ============================================================

+10 (+200.00%) : 31569.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (Tier1) 

@@ -14,9 +14,9 @@
 ;* V03 tmp2         [V03    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V01.m_task (fldOffset=0x0)" P-INDEP
-;* V06 rat0         [V06,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V06 rat0         [V06,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V07 rat1         [V07,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V08 rat2         [V08,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V08 rat2         [V08,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -24,14 +24,18 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x30]
+       test     eax, eax
        mov      eax, ecx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=14 bbWeight=1 PerfScore 8.50
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
+; Total bytes of code 15, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 15 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
 ; ============================================================

+10 (+200.00%) : 15296.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (Instrumented Tier1) 

@@ -14,9 +14,9 @@
 ;* V03 tmp2         [V03    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V01.m_task (fldOffset=0x0)" P-INDEP
-;* V06 rat0         [V06,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V06 rat0         [V06,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V07 rat1         [V07,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V08 rat2         [V08,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V08 rat2         [V08,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -24,14 +24,18 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x30]
+       test     eax, eax
        mov      eax, ecx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=14 bbWeight=1 PerfScore 8.50
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Instrumented Tier1)
+; Total bytes of code 15, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 15 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Instrumented Tier1)
 ; ============================================================

librariestestsnotieredcompilation.run.windows.x86.Release.mch

-19 (-5.56%) : 278126.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:g_findInitializer|1060(System.Collections.Immutable.ImmutableArray1[System.Collections.Immutable.ImmutableArray1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts) 

@@ -12,7 +12,7 @@
 ;  V01 arg1         [V01,T08] (  4,  4.50)     int  ->  [ebp-0x10]  single-def
 ;  V02 arg2         [V02,T09] (  3,  4   )     ref  ->  [ebp-0x2C]  class-hnd single-def <Microsoft.CodeAnalysis.SyntaxTree>
 ;  V03 arg3         [V03,T16] (  2,  1   )   byref  ->  [ebp+0x0C]  single-def
-;  V04 arg4         [V04,T05] (  5, 10   )   byref  ->  [ebp+0x08]  single-def
+;  V04 arg4         [V04,T05] (  5, 10   )   byref  ->  esi         single-def
 ;* V05 loc0         [V05    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1+Enumerator[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]]>
 ;* V06 loc1         [V06    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]>
 ;  V07 loc2         [V07    ] (  3,  6   )  struct ( 8) [ebp-0x18]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.Text.TextSpan>
@@ -35,7 +35,7 @@
 ;  V24 tmp15        [V24,T14] (  2,  2   )     ref  ->  eax         single-def "field V00.array (fldOffset=0x0)" P-INDEP
 ;  V25 tmp16        [V25,T12] (  2,  5   )     ref  ->  [ebp-0x30]  spill-single-def "field V05._array (fldOffset=0x0)" P-INDEP
 ;  V26 tmp17        [V26,T01] (  4, 13   )     int  ->  ebx         "field V05._index (fldOffset=0x4)" P-INDEP
-;  V27 tmp18        [V27,T00] (  9, 19.50)     ref  ->  [ebp-0x34]  "field V06.array (fldOffset=0x0)" P-INDEP
+;  V27 tmp18        [V27,T00] (  9, 19.50)     ref  ->  [ebp-0x34]  spill-single-def "field V06.array (fldOffset=0x0)" P-INDEP
 ;  V28 tmp19        [V28    ] (  2,  4   )     int  ->  [ebp-0x18]  do-not-enreg[X] addr-exposed "field V07.<Start>k__BackingField (fldOffset=0x0)" P-DEP
 ;  V29 tmp20        [V29    ] (  2,  4   )     int  ->  [ebp-0x14]  do-not-enreg[X] addr-exposed "field V07.<Length>k__BackingField (fldOffset=0x4)" P-DEP
 ;* V30 tmp21        [V30    ] (  0,  0   )     ref  ->  zero-ref    "field V10.FieldOpt (fldOffset=0x0)" P-INDEP
@@ -79,30 +79,28 @@ G_M25641_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=35 bbWeight=1 PerfScore 12.08
 G_M25641_IG02:        ; bbWeight=1, gcVars=00000200 {V02}, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, gcvars, byref
        xor      ecx, ecx
-       mov      bword ptr [ebp+0x08], esi
        mov      dword ptr [esi], ecx
        mov      edx, dword ptr [eax+0x04]
        mov      dword ptr [ebp-0x28], edx
        mov      gword ptr [ebp-0x30], eax
        ; GC ptr vars +{V25}
-                      ;; size=16 bbWeight=1 PerfScore 6.25
-G_M25641_IG03:        ; bbWeight=1, gcVars=00001200 {V02 V25}, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, gcvars, byref
-       ; byrRegs -[esi]
+                      ;; size=13 bbWeight=1 PerfScore 5.25
+G_M25641_IG03:        ; bbWeight=1, gcVars=00001200 {V02 V25}, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, gcvars, byref
        xor      ebx, ebx
        test     edx, edx
        jle      G_M25641_IG10
                        ;; size=10 bbWeight=1 PerfScore 1.50
-G_M25641_IG04:        ; bbWeight=4, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
+G_M25641_IG04:        ; bbWeight=4, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, byref, isz
        mov      ecx, gword ptr [eax+4*ecx+0x08]
        ; gcrRegs +[ecx]
+       mov      gword ptr [ebp-0x34], ecx
+       ; GC ptr vars +{V27}
        mov      edi, dword ptr [ecx+0x04]
        test     edi, edi
        je       SHORT G_M25641_IG09
-                      ;; size=11 bbWeight=4 PerfScore 21.00
-G_M25641_IG05:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+                      ;; size=14 bbWeight=4 PerfScore 25.00
+G_M25641_IG05:        ; bbWeight=2, gcVars=00001201 {V02 V25 V27}, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, gcvars, byref, isz
        ; gcrRegs -[eax]
-       mov      gword ptr [ebp-0x34], ecx
-       ; GC ptr vars +{V27}
        mov      eax, gword ptr [ecx+0x0C]
        ; gcrRegs +[eax]
        mov      ecx, eax
@@ -127,14 +125,14 @@ G_M25641_IG05:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000
        mov      ecx, gword ptr [ebp-0x20]
        ; gcrRegs +[ecx]
        jmp      SHORT G_M25641_IG08
-                      ;; size=56 bbWeight=2 PerfScore 53.00
-G_M25641_IG06:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+                     ;; size=53 bbWeight=2 PerfScore 51.00
+G_M25641_IG06:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000040 {esi}, byref, isz
        ; gcrRegs -[ecx]
        mov      ecx, gword ptr [ebp-0x34]
        ; gcrRegs +[ecx]
        jmp      SHORT G_M25641_IG09
                        ;; size=5 bbWeight=1 PerfScore 3.00
-G_M25641_IG07:        ; bbWeight=2, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M25641_IG07:        ; bbWeight=2, gcrefRegs=00000000 {}, byrefRegs=00000040 {esi}, byref
        ; gcrRegs -[ecx]
        mov      eax, gword ptr [ebp-0x34]
        ; gcrRegs +[eax]
@@ -145,7 +143,7 @@ G_M25641_IG07:        ; bbWeight=2, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        ; gcrRegs +[ecx]
        ; byrRegs -[ecx]
                        ;; size=11 bbWeight=2 PerfScore 13.00
-G_M25641_IG08:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+G_M25641_IG08:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref, isz
        ; gcrRegs -[eax]
        lea      edx, [ebp-0x18]
        mov      dword ptr [ebp-0x38], edx
@@ -153,24 +151,22 @@ G_M25641_IG08:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000
        mov      edx, dword ptr [edx+0x2C]
        mov      dword ptr [ebp-0x3C], edx
        mov      edx, dword ptr [ebp-0x38]
-       mov      esi, dword ptr [ebp-0x3C]
-       call     [esi+0x14]<unknown method>
+       mov      eax, dword ptr [ebp-0x3C]
+       call     [eax+0x14]<unknown method>
        ; gcrRegs -[ecx]
        mov      eax, dword ptr [ebp-0x18]
        add      eax, dword ptr [ebp-0x14]
-       mov      esi, dword ptr [ebp-0x10]
-       cmp      eax, esi
-       mov      dword ptr [ebp-0x10], esi
+       mov      edx, dword ptr [ebp-0x10]
+       cmp      eax, edx
+       mov      dword ptr [ebp-0x10], edx
        mov      ecx, gword ptr [ebp-0x34]
        ; gcrRegs +[ecx]
        jg       SHORT G_M25641_IG12
                        ;; size=42 bbWeight=2 PerfScore 37.50
-G_M25641_IG09:        ; bbWeight=4, gcVars=00001200 {V02 V25}, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, gcvars, byref
-       ; GC ptr vars -{V27}
-       mov      esi, bword ptr [ebp+0x08]
-       ; byrRegs +[esi]
+G_M25641_IG09:        ; bbWeight=4, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
        mov      edi, dword ptr [esi]
        push     ecx
+       ; GC ptr vars -{V27}
        call     [Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__getGroupLength|106_1(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]):int]
        ; gcrRegs -[ecx]
        add      eax, edi
@@ -179,11 +175,10 @@ G_M25641_IG09:        ; bbWeight=4, gcVars=00001200 {V02 V25}, gcrefRegs=0000000
        mov      ebx, ecx
        mov      edi, dword ptr [ebp-0x28]
        cmp      edi, ebx
-       mov      bword ptr [ebp+0x08], esi
        mov      eax, gword ptr [ebp-0x30]
        ; gcrRegs +[eax]
        jg       G_M25641_IG04
-                        ;; size=38 bbWeight=4 PerfScore 53.00
+                     ;; size=32 bbWeight=4 PerfScore 45.00
 G_M25641_IG10:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[eax]
        ; byrRegs -[esi]
@@ -203,9 +198,9 @@ G_M25641_IG11:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000
        pop      ebp
        ret      12
                        ;; size=10 bbWeight=0.50 PerfScore 2.25
-G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000001 {V27}, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, gcvars, byref, isz
        ; gcrRegs +[ecx]
-       mov      gword ptr [ebp-0x34], ecx
+       ; byrRegs +[esi]
        ; GC ptr vars +{V27}
        push     ecx
        mov      ecx, dword ptr [ebp-0x10]
@@ -214,17 +209,11 @@ G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000002 {e
        mov      ebx, eax
        test     ebx, ebx
        jl       SHORT G_M25641_IG10
-       mov      eax, gword ptr [ebp-0x34]
-       ; gcrRegs +[eax]
-       mov      esi, bword ptr [ebp+0x08]
-       ; byrRegs +[esi]
-       mov      edx, dword ptr [esi]
-       mov      dword ptr [ebp-0x3C], edx
-       mov      gword ptr [ebp-0x34], eax
-       push     eax
+       mov      eax, dword ptr [esi]
+       mov      dword ptr [ebp-0x3C], eax
+       push     gword ptr [ebp-0x34]
        mov      ecx, ebx
        call     [Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__getPrecedingInitializersLength|106_2(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer],int):int]
-       ; gcrRegs -[eax]
        add      eax, dword ptr [ebp-0x3C]
        mov      dword ptr [esi], eax
        cmp      ebx, edi
@@ -241,7 +230,7 @@ G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000002 {e
        call     CORINFO_HELP_ASSIGN_BYREF
        call     CORINFO_HELP_ASSIGN_BYREF
        mov      eax, 1
-                       ;; size=76 bbWeight=0.50 PerfScore 13.62
+                      ;; size=66 bbWeight=0.50 PerfScore 11.62
 G_M25641_IG13:        ; bbWeight=0.50, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -259,6 +248,6 @@ G_M25641_IG15:        ; bbWeight=0, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        int3     
                        ;; size=7 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 342, prolog size 23, PerfScore 220.08, instruction count 124, allocated bytes for code 342 (MethodHash=36369bd6) for method Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
+; Total bytes of code 323, prolog size 23, PerfScore 211.08, instruction count 117, allocated bytes for code 323 (MethodHash=36369bd6) for method Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
 ; ============================================================

-34 (-5.55%) : 278550.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts) 

@@ -17,29 +17,29 @@
 ;  V06 loc2         [V06,T13] (  5,  9.50)     int  ->  [ebp-0x18] 
 ;  V07 loc3         [V07,T07] (  4, 12.50)     int  ->  edi        
 ;  V08 loc4         [V08,T14] (  4,  9   )     int  ->  [ebp-0x1C] 
-;  V09 loc5         [V09,T08] (  4, 12.50)     int  ->  [ebp-0x20] 
+;  V09 loc5         [V09,T08] (  4, 12.50)     int  ->  edi        
 ;* V10 loc6         [V10    ] (  0,  0   )  ushort  ->  zero-ref   
 ;  V11 tmp0         [V11,T19] (  3,  6   )     ref  ->  edx         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V12 tmp1         [V12,T20] (  3,  6   )     ref  ->  eax         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V13 tmp2         [V13,T22] (  3,  3   )     ref  ->  edi         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
-;  V14 tmp3         [V14,T05] (  7, 20   )  ushort  ->  [ebp-0x24]  "Inline return value spill temp"
-;  V15 tmp4         [V15,T00] (  6, 36   )     ref  ->  [ebp-0x2C]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
+;  V14 tmp3         [V14,T05] (  7, 20   )  ushort  ->  [ebp-0x20]  "Inline return value spill temp"
+;  V15 tmp4         [V15,T00] (  6, 36   )     ref  ->  [ebp-0x28]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V16 tmp5         [V16,T16] (  3,  8   )     int  ->  ecx         "Inline return value spill temp"
 ;  V17 tmp6         [V17,T03] (  3, 24   )     ref  ->  ecx         class-hnd exact "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
-;  V18 tmp7         [V18,T23] (  3,  3   )     ref  ->  ecx         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
-;  V19 tmp8         [V19,T06] (  6, 16   )  ushort  ->  [ebp-0x28]  "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  6, 36   )     ref  ->  [ebp-0x30]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
+;  V18 tmp7         [V18,T23] (  3,  3   )     ref  ->  edi         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
+;  V19 tmp8         [V19,T06] (  6, 16   )  ushort  ->  [ebp-0x24]  "Inline return value spill temp"
+;  V20 tmp9         [V20,T01] (  6, 36   )     ref  ->  [ebp-0x2C]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V21 tmp10        [V21,T17] (  3,  8   )     int  ->  ecx         "Inline return value spill temp"
 ;  V22 tmp11        [V22,T04] (  3, 24   )     ref  ->  ecx         class-hnd exact "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V23 tmp12        [V23,T09] (  3, 12   )     ref  ->  ecx         "arr expr"
-;  V24 tmp13        [V24,T11] (  3, 12   )     int  ->  edx         "index expr"
+;  V24 tmp13        [V24,T11] (  3, 12   )     int  ->  eax         "index expr"
 ;  V25 tmp14        [V25,T10] (  3, 12   )     ref  ->  ecx         "arr expr"
 ;  V26 tmp15        [V26,T12] (  3, 12   )     int  ->  eax         "index expr"
 ;  V27 cse0         [V27,T24] (  3,  3   )     ref  ->  ecx         "CSE - conservative"
 ;  V28 cse1         [V28,T25] (  3,  3   )     ref  ->  ecx         "CSE - conservative"
-;  V29 cse2         [V29,T21] (  6,  3   )     ref  ->  [ebp-0x34]  multi-def "CSE - conservative"
+;  V29 cse2         [V29,T21] (  6,  3   )     ref  ->  ecx         multi-def "CSE - conservative"
 ;
-; Lcl frame size = 40
+; Lcl frame size = 32
 
 G_M15457_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -47,7 +47,7 @@ G_M15457_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 40
+       sub      esp, 32
        mov      esi, ecx
        ; gcrRegs +[esi]
        mov      ebx, edx
@@ -127,7 +127,7 @@ G_M15457_IG06:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
 G_M15457_IG07:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        mov      eax, gword ptr [esi+0x04]
        ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x2C], eax
+       mov      gword ptr [ebp-0x28], eax
        ; GC ptr vars +{V15}
        mov      ecx, dword ptr [eax+0x14]
        cmp      ecx, dword ptr [eax+0x1C]
@@ -139,7 +139,7 @@ G_M15457_IG08:        ; bbWeight=2, gcVars=00000001 {V15}, gcrefRegs=00000041 {e
        call     [<unknown method>]
        ; gcrRegs -[eax ecx]
        test     eax, eax
-       mov      eax, gword ptr [ebp-0x2C]
+       mov      eax, gword ptr [ebp-0x28]
        ; gcrRegs +[eax]
        jne      SHORT G_M15457_IG09
        mov      eax, 0xFFFF
@@ -160,12 +160,12 @@ G_M15457_IG10:        ; bbWeight=4, gcVars=00000000 {}, gcrefRegs=00000040 {esi}
        ; gcrRegs -[ecx]
        ; GC ptr vars -{V15}
        mov      dword ptr [ebp-0x14], eax
-       mov      dword ptr [ebp-0x24], eax
+       mov      dword ptr [ebp-0x20], eax
        mov      ecx, eax
        call     [Microsoft.CodeAnalysis.CSharp.SyntaxFacts:IsHexDigit(ushort):ubyte]
        test     eax, eax
        je       SHORT G_M15457_IG15
-       mov      ecx, dword ptr [ebp-0x24]
+       mov      ecx, dword ptr [ebp-0x20]
        mov      edx, ecx
        sub      edx, 48
        cmp      edx, 9
@@ -198,7 +198,7 @@ G_M15457_IG14:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
                        ;; size=5 bbWeight=0.50 PerfScore 1.50
 G_M15457_IG15:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        test     bl, bl
-       jne      SHORT G_M15457_IG17
+       jne      SHORT G_M15457_IG16
        mov      ecx, esi
        ; gcrRegs +[ecx]
        mov      edx, dword ptr [ebp-0x10]
@@ -209,23 +209,21 @@ G_M15457_IG15:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        call     CORINFO_HELP_CHECKED_ASSIGN_REF_EAX
        ; gcrRegs -[eax]
        ; byrRegs -[edx]
-       mov      edi, dword ptr [ebp-0x14]
-                       ;; size=26 bbWeight=0.50 PerfScore 4.25
+                       ;; size=23 bbWeight=0.50 PerfScore 3.75
 G_M15457_IG16:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ebp-0x18]
        cmp      eax, 0xD1FFAB1E
        jbe      SHORT G_M15457_IG18
        test     bl, bl
-       jne      G_M15457_IG32
-       mov      dword ptr [ebp-0x14], edi
+       jne      SHORT G_M15457_IG17
        jmp      G_M15457_IG04
-                      ;; size=26 bbWeight=0.50 PerfScore 3.25
-G_M15457_IG17:        ; bbWeight=0.25, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      edi, dword ptr [ebp-0x14]
-       jmp      SHORT G_M15457_IG16
-                       ;; size=5 bbWeight=0.25 PerfScore 0.75
-G_M15457_IG18:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+                       ;; size=19 bbWeight=0.50 PerfScore 2.75
+G_M15457_IG17:        ; bbWeight=0.25, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[esi]
+       mov      edi, dword ptr [ebp-0x14]
+       jmp      G_M15457_IG32
+                       ;; size=8 bbWeight=0.25 PerfScore 0.75
+G_M15457_IG18:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        mov      ecx, eax
        mov      edx, bword ptr [ebp+0x0C]
        ; byrRegs +[edx]
@@ -241,14 +239,12 @@ G_M15457_IG19:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        mov      dword ptr [ebp-0x1C], edx
        mov      ecx, gword ptr [esi+0x04]
        ; gcrRegs +[ecx]
-       mov      gword ptr [ebp-0x34], ecx
-       ; GC ptr vars +{V29}
-       inc      dword ptr [ecx+0x14]
-       mov      ecx, gword ptr [ebp-0x34]
+       mov      edi, ecx
+       ; gcrRegs +[edi]
+       inc      dword ptr [edi+0x14]
        cmp      dword ptr [ecx], ecx
-       ; GC ptr vars -{V29}
        call     [Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow:PeekChar():ushort:this]
-       ; gcrRegs -[ecx]
+       ; gcrRegs -[ecx edi]
        mov      ecx, eax
        call     [Microsoft.CodeAnalysis.CSharp.SyntaxFacts:IsHexDigit(ushort):ubyte]
        test     eax, eax
@@ -256,7 +252,7 @@ G_M15457_IG19:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        test     bl, bl
        jne      SHORT G_M15457_IG20
        jmp      G_M15457_IG04
-                        ;; size=46 bbWeight=0.50 PerfScore 11.00
+                      ;; size=42 bbWeight=0.50 PerfScore 10.12
 G_M15457_IG20:        ; bbWeight=0.25, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[esi]
        mov      edi, dword ptr [ebp-0x14]
@@ -264,50 +260,49 @@ G_M15457_IG20:        ; bbWeight=0.25, gcrefRegs=00000000 {}, byrefRegs=00000000
                        ;; size=8 bbWeight=0.25 PerfScore 0.75
 G_M15457_IG21:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[esi]
-       xor      eax, eax
-       mov      dword ptr [ebp-0x20], eax
-                       ;; size=5 bbWeight=0.50 PerfScore 0.62
+       xor      edi, edi
+                       ;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M15457_IG22:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      edx, gword ptr [esi+0x04]
-       ; gcrRegs +[edx]
-       mov      gword ptr [ebp-0x30], edx
+       mov      eax, gword ptr [esi+0x04]
+       ; gcrRegs +[eax]
+       mov      gword ptr [ebp-0x2C], eax
        ; GC ptr vars +{V20}
-       mov      ecx, dword ptr [edx+0x14]
-       cmp      ecx, dword ptr [edx+0x1C]
+       mov      ecx, dword ptr [eax+0x14]
+       cmp      ecx, dword ptr [eax+0x1C]
        jl       SHORT G_M15457_IG24
                        ;; size=14 bbWeight=4 PerfScore 36.00
-G_M15457_IG23:        ; bbWeight=2, gcVars=00000002 {V20}, gcrefRegs=00000044 {edx esi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       mov      ecx, edx
+G_M15457_IG23:        ; bbWeight=2, gcVars=00000002 {V20}, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       mov      ecx, eax
        ; gcrRegs +[ecx]
        call     [<unknown method>]
-       ; gcrRegs -[ecx edx]
+       ; gcrRegs -[eax ecx]
        test     eax, eax
-       mov      edx, gword ptr [ebp-0x30]
-       ; gcrRegs +[edx]
+       mov      eax, gword ptr [ebp-0x2C]
+       ; gcrRegs +[eax]
        jne      SHORT G_M15457_IG24
        mov      eax, 0xFFFF
+       ; gcrRegs -[eax]
        jmp      SHORT G_M15457_IG25
                        ;; size=22 bbWeight=2 PerfScore 15.50
-G_M15457_IG24:        ; bbWeight=2, gcrefRegs=00000044 {edx esi}, byrefRegs=00000000 {}, byref
-       mov      ecx, gword ptr [edx+0x08]
+G_M15457_IG24:        ; bbWeight=2, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs +[eax]
+       mov      ecx, gword ptr [eax+0x08]
        ; gcrRegs +[ecx]
-       mov      edx, dword ptr [edx+0x14]
-       ; gcrRegs -[edx]
-       cmp      edx, dword ptr [ecx+0x04]
-       jae      G_M15457_IG34
-       movzx    ecx, word  ptr [ecx+2*edx+0x08]
-       ; gcrRegs -[ecx]
-       mov      edx, ecx
-       mov      eax, edx
-                       ;; size=24 bbWeight=2 PerfScore 21.00
+       mov      eax, dword ptr [eax+0x14]
+       ; gcrRegs -[eax]
+       cmp      eax, dword ptr [ecx+0x04]
+       jae      SHORT G_M15457_IG34
+       movzx    eax, word  ptr [ecx+2*eax+0x08]
+                       ;; size=16 bbWeight=2 PerfScore 20.00
 G_M15457_IG25:        ; bbWeight=4, gcVars=00000000 {}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs -[ecx]
        ; GC ptr vars -{V20}
-       mov      dword ptr [ebp-0x28], eax
+       mov      dword ptr [ebp-0x24], eax
        mov      ecx, eax
        call     [Microsoft.CodeAnalysis.CSharp.SyntaxFacts:IsHexDigit(ushort):ubyte]
        test     eax, eax
        je       SHORT G_M15457_IG30
-       mov      ecx, dword ptr [ebp-0x28]
+       mov      ecx, dword ptr [ebp-0x24]
        mov      edx, ecx
        sub      edx, 48
        cmp      edx, 9
@@ -321,7 +316,7 @@ G_M15457_IG26:        ; bbWeight=2, gcrefRegs=00000040 {esi}, byrefRegs=00000000
 G_M15457_IG27:        ; bbWeight=2, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        add      ecx, -48
                        ;; size=3 bbWeight=2 PerfScore 0.50
-G_M15457_IG28:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
+G_M15457_IG28:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, dword ptr [ebp-0x1C]
        shl      edx, 4
        add      edx, ecx
@@ -329,21 +324,16 @@ G_M15457_IG28:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        mov      ecx, gword ptr [esi+0x04]
        ; gcrRegs +[ecx]
        inc      dword ptr [ecx+0x14]
-       mov      ecx, dword ptr [ebp-0x20]
-       ; gcrRegs -[ecx]
-       inc      ecx
-       cmp      ecx, 4
-       mov      dword ptr [ebp-0x20], ecx
-       jl       G_M15457_IG22
-                       ;; size=33 bbWeight=4 PerfScore 45.00
+       inc      edi
+       cmp      edi, 4
+       jl       SHORT G_M15457_IG22
+                       ;; size=23 bbWeight=4 PerfScore 37.00
...

-5 (-4.55%) : 40115.dasm - System.Runtime.Serialization.ObjectHolderListEnumerator:MoveNext():ubyte:this (FullOpts) 

@@ -9,20 +9,20 @@
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T02] (  9, 16.50)     ref  ->  ecx         this class-hnd single-def <System.Runtime.Serialization.ObjectHolderListEnumerator>
-;  V01 loc0         [V01,T07] (  3, 12   )     int  ->  edx        
+;  V01 loc0         [V01,T07] (  3, 12   )     int  ->  eax        
 ;* V02 tmp0         [V02    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
 ;* V03 tmp1         [V03    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
 ;* V04 tmp2         [V04    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Runtime.Serialization.ObjectHolderList>
 ;* V05 tmp3         [V05,T08] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V06 tmp4         [V06,T04] (  2, 16   )     ref  ->  edx         class-hnd exact "Inlining Arg" <System.Runtime.Serialization.ObjectHolder>
+;  V06 tmp4         [V06,T04] (  2, 16   )     ref  ->  eax         class-hnd exact "Inlining Arg" <System.Runtime.Serialization.ObjectHolder>
 ;* V07 tmp5         [V07,T09] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V08 tmp6         [V08    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Runtime.Serialization.ObjectHolderList>
 ;* V09 tmp7         [V09    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Runtime.Serialization.ObjectHolderList>
-;  V10 tmp8         [V10,T00] (  3, 24   )     ref  ->  edx         "arr expr"
+;  V10 tmp8         [V10,T00] (  3, 24   )     ref  ->  eax         "arr expr"
 ;  V11 tmp9         [V11,T01] (  3, 24   )     int  ->  edi         "index expr"
-;  V12 cse0         [V12,T06] (  4, 16   )     int  ->  eax         "CSE - moderate"
+;  V12 cse0         [V12,T06] (  4, 16   )     int  ->  edx         "CSE - moderate"
 ;  V13 cse1         [V13,T10] (  3,  1.50)     int  ->  eax         "CSE - moderate"
-;  V14 cse2         [V14,T03] (  5, 16   )     int  ->  edx         "CSE - moderate"
+;  V14 cse2         [V14,T03] (  5, 16   )     int  ->  eax         "CSE - moderate"
 ;  V15 cse3         [V15,T05] (  6, 17   )     ref  ->  esi         multi-def "CSE - moderate"
 ;
 ; Lcl frame size = 0
@@ -39,43 +39,43 @@ G_M24724_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000
        je       SHORT G_M24724_IG09
                        ;; size=6 bbWeight=1 PerfScore 4.00
 G_M24724_IG03:        ; bbWeight=4, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
-       mov      eax, dword ptr [ecx+0x0C]
-       inc      eax
-       mov      edx, eax
-       mov      dword ptr [ecx+0x0C], edx
+       mov      edx, dword ptr [ecx+0x0C]
+       inc      edx
+       mov      eax, edx
+       mov      dword ptr [ecx+0x0C], eax
        mov      esi, gword ptr [ecx+0x04]
        ; gcrRegs +[esi]
-       cmp      edx, dword ptr [esi+0x08]
+       cmp      eax, dword ptr [esi+0x08]
        jge      SHORT G_M24724_IG07
-       mov      edx, gword ptr [esi+0x04]
-       ; gcrRegs +[edx]
-       mov      edi, eax
-       cmp      edi, dword ptr [edx+0x04]
+       mov      eax, gword ptr [esi+0x04]
+       ; gcrRegs +[eax]
+       mov      edi, edx
+       cmp      edi, dword ptr [eax+0x04]
        jae      SHORT G_M24724_IG11
-       mov      edx, gword ptr [edx+4*edi+0x08]
-       mov      edx, dword ptr [edx+0x34]
-       ; gcrRegs -[edx]
-       test     dl, 4
+       mov      eax, gword ptr [eax+4*edi+0x08]
+       mov      eax, dword ptr [eax+0x34]
+       ; gcrRegs -[eax]
+       test     al, 4
        jne      SHORT G_M24724_IG05
-                     ;; size=39 bbWeight=4 PerfScore 84.00
+                     ;; size=38 bbWeight=4 PerfScore 84.00
 G_M24724_IG04:        ; bbWeight=2, gcrefRegs=00000042 {ecx esi}, byrefRegs=00000000 {}, byref, isz
-       test     dl, 2
+       test     al, 2
        je       SHORT G_M24724_IG06
-                     ;; size=5 bbWeight=2 PerfScore 2.50
+                       ;; size=4 bbWeight=2 PerfScore 2.50
 G_M24724_IG05:        ; bbWeight=2, gcrefRegs=00000042 {ecx esi}, byrefRegs=00000000 {}, byref, isz
-       test     edx, 0x4000
+       test     eax, 0x4000
        je       SHORT G_M24724_IG07
-                       ;; size=8 bbWeight=2 PerfScore 2.50
+                       ;; size=7 bbWeight=2 PerfScore 2.50
 G_M24724_IG06:        ; bbWeight=4, gcrefRegs=00000042 {ecx esi}, byrefRegs=00000000 {}, byref, isz
-       test     dl, 1
+       test     al, 1
        je       SHORT G_M24724_IG03
-                       ;; size=5 bbWeight=4 PerfScore 5.00
+                       ;; size=4 bbWeight=4 PerfScore 5.00
 G_M24724_IG07:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[ecx]
-       cmp      eax, dword ptr [esi+0x08]
+       xor      eax, eax
+       cmp      edx, dword ptr [esi+0x08]
        setne    al
-       movzx    eax, al
-                       ;; size=9 bbWeight=4 PerfScore 17.00
+                      ;; size=8 bbWeight=4 PerfScore 17.00
 G_M24724_IG08:        ; bbWeight=4, epilog, nogc, extend
        pop      esi
        pop      edi
@@ -105,6 +105,6 @@ G_M24724_IG11:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, b
        int3     
                        ;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 110, prolog size 5, PerfScore 134.25, instruction count 47, allocated bytes for code 110 (MethodHash=ab819f6b) for method System.Runtime.Serialization.ObjectHolderListEnumerator:MoveNext():ubyte:this (FullOpts)
+; Total bytes of code 105, prolog size 5, PerfScore 134.25, instruction count 47, allocated bytes for code 105 (MethodHash=ab819f6b) for method System.Runtime.Serialization.ObjectHolderListEnumerator:MoveNext():ubyte:this (FullOpts)
 ; ============================================================

+10 (+111.11%) : 72096.dasm - System.Collections.Immutable.ImmutableSortedDictionary2+Node+<>c[System.__Canon,int]:<get_Values>b__32_0(System.Collections.Generic.KeyValuePair2[System.__Canon,int]):int:this (FullOpts) 

@@ -11,9 +11,9 @@
 ;  V00 this         [V00,T01] (  3,  3   )     ref  ->  ecx         this class-hnd single-def <System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,int]>
 ;  V01 arg1         [V01,T04] (  1,  1   )  struct ( 8) [esp+0x04]  do-not-enreg[SF] ld-addr-op single-def <System.Collections.Generic.KeyValuePair`2[System.__Canon,int]>
 ;* V02 tmp0         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
-;* V03 rat0         [V03,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V03 rat0         [V03,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V04 rat1         [V04,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat2         [V05,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat2         [V05,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -21,13 +21,17 @@ G_M13134_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M13134_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x0C]
+       test     eax, eax
        mov      eax, dword ptr [esp+0x08]
-                        ;; size=6 bbWeight=1 PerfScore 4.00
+                       ;; size=16 bbWeight=1 PerfScore 9.25
 G_M13134_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      8
                        ;; size=3 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 9, prolog size 0, PerfScore 6.00, instruction count 3, allocated bytes for code 9 (MethodHash=bc51ccb1) for method System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,int]:<get_Values>b__32_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,int]):int:this (FullOpts)
+; Total bytes of code 19, prolog size 0, PerfScore 11.25, instruction count 7, allocated bytes for code 19 (MethodHash=bc51ccb1) for method System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,int]:<get_Values>b__32_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,int]):int:this (FullOpts)
 ; ============================================================

+10 (+111.11%) : 77032.dasm - System.Collections.Tests.DictionaryGenericTests2+<>c[System.__Canon,System.__Canon]:<IReadOnlyDictionary_Generic_Values_ContainsAllCorrectValues>b__26_0(System.Collections.Generic.KeyValuePair2[System.Canon,System.Canon]):System.__Canon:this (FullOpts) 

@@ -11,9 +11,9 @@
 ;  V00 this         [V00,T01] (  3,  3   )     ref  ->  ecx         this class-hnd single-def <System.Collections.Tests.Dictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]>
 ;  V01 arg1         [V01,T04] (  1,  1   )  struct ( 8) [esp+0x04]  do-not-enreg[SF] ld-addr-op single-def <System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]>
 ;* V02 tmp0         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
-;* V03 rat0         [V03,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V03 rat0         [V03,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V04 rat1         [V04,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V05 rat2         [V05,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V05 rat2         [V05,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -21,14 +21,18 @@ G_M17867_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M17867_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x0C]
+       test     eax, eax
        mov      eax, gword ptr [esp+0x08]
        ; gcrRegs +[eax]
-                      ;; size=6 bbWeight=1 PerfScore 4.00
+                       ;; size=16 bbWeight=1 PerfScore 9.25
 G_M17867_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      8
                        ;; size=3 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 9, prolog size 0, PerfScore 6.00, instruction count 3, allocated bytes for code 9 (MethodHash=7a7dba34) for method System.Collections.Tests.Dictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<IReadOnlyDictionary_Generic_Values_ContainsAllCorrectValues>b__26_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
+; Total bytes of code 19, prolog size 0, PerfScore 11.25, instruction count 7, allocated bytes for code 19 (MethodHash=7a7dba34) for method System.Collections.Tests.Dictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<IReadOnlyDictionary_Generic_Values_ContainsAllCorrectValues>b__26_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
 ; ============================================================

+10 (+200.00%) : 3394.dasm - System.Threading.Tasks.Task1[System.Collections.Immutable.ImmutableArray1[System.Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.Collections.Immutable.ImmutableArray1[System.Canon]]:this (FullOpts) 

@@ -14,9 +14,9 @@
 ;* V03 tmp2         [V03    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V01.m_task (fldOffset=0x0)" P-INDEP
-;* V06 rat0         [V06,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V06 rat0         [V06,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V07 rat1         [V07,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V08 rat2         [V08,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V08 rat2         [V08,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -24,14 +24,18 @@ G_M19920_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M19920_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x0C]
+       test     eax, eax
        mov      eax, ecx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=14 bbWeight=1 PerfScore 8.50
 G_M19920_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=89c1b22f) for method System.Threading.Tasks.Task`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:this (FullOpts)
+; Total bytes of code 15, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 15 (MethodHash=89c1b22f) for method System.Threading.Tasks.Task`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:this (FullOpts)
 ; ============================================================

realworld.run.windows.x86.checked.mch

-19 (-5.56%) : 29991.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:g_findInitializer|1060(System.Collections.Immutable.ImmutableArray1[System.Collections.Immutable.ImmutableArray1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts) 

@@ -12,7 +12,7 @@
 ;  V01 arg1         [V01,T08] (  4,  4.50)     int  ->  [ebp-0x10]  single-def
 ;  V02 arg2         [V02,T09] (  3,  4   )     ref  ->  [ebp-0x2C]  class-hnd single-def <Microsoft.CodeAnalysis.SyntaxTree>
 ;  V03 arg3         [V03,T16] (  2,  1   )   byref  ->  [ebp+0x0C]  single-def
-;  V04 arg4         [V04,T05] (  5, 10   )   byref  ->  [ebp+0x08]  single-def
+;  V04 arg4         [V04,T05] (  5, 10   )   byref  ->  esi         single-def
 ;* V05 loc0         [V05    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1+Enumerator[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]]>
 ;* V06 loc1         [V06    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op <System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]>
 ;  V07 loc2         [V07    ] (  3,  6   )  struct ( 8) [ebp-0x18]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <Microsoft.CodeAnalysis.Text.TextSpan>
@@ -35,7 +35,7 @@
 ;  V24 tmp15        [V24,T14] (  2,  2   )     ref  ->  eax         single-def "field V00.array (fldOffset=0x0)" P-INDEP
 ;  V25 tmp16        [V25,T12] (  2,  5   )     ref  ->  [ebp-0x30]  spill-single-def "field V05._array (fldOffset=0x0)" P-INDEP
 ;  V26 tmp17        [V26,T01] (  4, 13   )     int  ->  ebx         "field V05._index (fldOffset=0x4)" P-INDEP
-;  V27 tmp18        [V27,T00] (  9, 19.50)     ref  ->  [ebp-0x34]  "field V06.array (fldOffset=0x0)" P-INDEP
+;  V27 tmp18        [V27,T00] (  9, 19.50)     ref  ->  [ebp-0x34]  spill-single-def "field V06.array (fldOffset=0x0)" P-INDEP
 ;  V28 tmp19        [V28    ] (  2,  4   )     int  ->  [ebp-0x18]  do-not-enreg[X] addr-exposed "field V07.<Start>k__BackingField (fldOffset=0x0)" P-DEP
 ;  V29 tmp20        [V29    ] (  2,  4   )     int  ->  [ebp-0x14]  do-not-enreg[X] addr-exposed "field V07.<Length>k__BackingField (fldOffset=0x4)" P-DEP
 ;* V30 tmp21        [V30    ] (  0,  0   )     ref  ->  zero-ref    "field V10.FieldOpt (fldOffset=0x0)" P-INDEP
@@ -79,30 +79,28 @@ G_M25641_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=35 bbWeight=1 PerfScore 12.08
 G_M25641_IG02:        ; bbWeight=1, gcVars=00000200 {V02}, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, gcvars, byref
        xor      ecx, ecx
-       mov      bword ptr [ebp+0x08], esi
        mov      dword ptr [esi], ecx
        mov      edx, dword ptr [eax+0x04]
        mov      dword ptr [ebp-0x28], edx
        mov      gword ptr [ebp-0x30], eax
        ; GC ptr vars +{V25}
-                      ;; size=16 bbWeight=1 PerfScore 6.25
-G_M25641_IG03:        ; bbWeight=1, gcVars=00001200 {V02 V25}, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, gcvars, byref
-       ; byrRegs -[esi]
+                      ;; size=13 bbWeight=1 PerfScore 5.25
+G_M25641_IG03:        ; bbWeight=1, gcVars=00001200 {V02 V25}, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, gcvars, byref
        xor      ebx, ebx
        test     edx, edx
        jle      G_M25641_IG10
                        ;; size=10 bbWeight=1 PerfScore 1.50
-G_M25641_IG04:        ; bbWeight=4, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, isz
+G_M25641_IG04:        ; bbWeight=4, gcrefRegs=00000001 {eax}, byrefRegs=00000040 {esi}, byref, isz
        mov      ecx, gword ptr [eax+4*ecx+0x08]
        ; gcrRegs +[ecx]
+       mov      gword ptr [ebp-0x34], ecx
+       ; GC ptr vars +{V27}
        mov      edi, dword ptr [ecx+0x04]
        test     edi, edi
        je       SHORT G_M25641_IG09
-                      ;; size=11 bbWeight=4 PerfScore 21.00
-G_M25641_IG05:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+                      ;; size=14 bbWeight=4 PerfScore 25.00
+G_M25641_IG05:        ; bbWeight=2, gcVars=00001201 {V02 V25 V27}, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, gcvars, byref, isz
        ; gcrRegs -[eax]
-       mov      gword ptr [ebp-0x34], ecx
-       ; GC ptr vars +{V27}
        mov      eax, gword ptr [ecx+0x0C]
        ; gcrRegs +[eax]
        mov      ecx, eax
@@ -127,14 +125,14 @@ G_M25641_IG05:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000
        mov      ecx, gword ptr [ebp-0x20]
        ; gcrRegs +[ecx]
        jmp      SHORT G_M25641_IG08
-                      ;; size=56 bbWeight=2 PerfScore 53.00
-G_M25641_IG06:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
+                     ;; size=53 bbWeight=2 PerfScore 51.00
+G_M25641_IG06:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000040 {esi}, byref, isz
        ; gcrRegs -[ecx]
        mov      ecx, gword ptr [ebp-0x34]
        ; gcrRegs +[ecx]
        jmp      SHORT G_M25641_IG09
                        ;; size=5 bbWeight=1 PerfScore 3.00
-G_M25641_IG07:        ; bbWeight=2, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+G_M25641_IG07:        ; bbWeight=2, gcrefRegs=00000000 {}, byrefRegs=00000040 {esi}, byref
        ; gcrRegs -[ecx]
        mov      eax, gword ptr [ebp-0x34]
        ; gcrRegs +[eax]
@@ -145,7 +143,7 @@ G_M25641_IG07:        ; bbWeight=2, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        ; gcrRegs +[ecx]
        ; byrRegs -[ecx]
                        ;; size=11 bbWeight=2 PerfScore 13.00
-G_M25641_IG08:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref, isz
+G_M25641_IG08:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref, isz
        ; gcrRegs -[eax]
        lea      edx, [ebp-0x18]
        mov      dword ptr [ebp-0x38], edx
@@ -153,24 +151,22 @@ G_M25641_IG08:        ; bbWeight=2, gcrefRegs=00000002 {ecx}, byrefRegs=00000000
        mov      edx, dword ptr [edx+0x2C]
        mov      dword ptr [ebp-0x3C], edx
        mov      edx, dword ptr [ebp-0x38]
-       mov      esi, dword ptr [ebp-0x3C]
-       call     [esi+0x14]<unknown method>
+       mov      eax, dword ptr [ebp-0x3C]
+       call     [eax+0x14]<unknown method>
        ; gcrRegs -[ecx]
        mov      eax, dword ptr [ebp-0x18]
        add      eax, dword ptr [ebp-0x14]
-       mov      esi, dword ptr [ebp-0x10]
-       cmp      eax, esi
-       mov      dword ptr [ebp-0x10], esi
+       mov      edx, dword ptr [ebp-0x10]
+       cmp      eax, edx
+       mov      dword ptr [ebp-0x10], edx
        mov      ecx, gword ptr [ebp-0x34]
        ; gcrRegs +[ecx]
        jg       SHORT G_M25641_IG12
                        ;; size=42 bbWeight=2 PerfScore 37.50
-G_M25641_IG09:        ; bbWeight=4, gcVars=00001200 {V02 V25}, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, gcvars, byref
-       ; GC ptr vars -{V27}
-       mov      esi, bword ptr [ebp+0x08]
-       ; byrRegs +[esi]
+G_M25641_IG09:        ; bbWeight=4, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, byref
        mov      edi, dword ptr [esi]
        push     ecx
+       ; GC ptr vars -{V27}
        call     [Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__getGroupLength|106_1(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]):int]
        ; gcrRegs -[ecx]
        add      eax, edi
@@ -179,11 +175,10 @@ G_M25641_IG09:        ; bbWeight=4, gcVars=00001200 {V02 V25}, gcrefRegs=0000000
        mov      ebx, ecx
        mov      edi, dword ptr [ebp-0x28]
        cmp      edi, ebx
-       mov      bword ptr [ebp+0x08], esi
        mov      eax, gword ptr [ebp-0x30]
        ; gcrRegs +[eax]
        jg       G_M25641_IG04
-                        ;; size=38 bbWeight=4 PerfScore 53.00
+                     ;; size=32 bbWeight=4 PerfScore 45.00
 G_M25641_IG10:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[eax]
        ; byrRegs -[esi]
@@ -203,9 +198,9 @@ G_M25641_IG11:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000
        pop      ebp
        ret      12
                        ;; size=10 bbWeight=0.50 PerfScore 2.25
-G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, gcvars, byref, isz
+G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000001 {V27}, gcrefRegs=00000002 {ecx}, byrefRegs=00000040 {esi}, gcvars, byref, isz
        ; gcrRegs +[ecx]
-       mov      gword ptr [ebp-0x34], ecx
+       ; byrRegs +[esi]
        ; GC ptr vars +{V27}
        push     ecx
        mov      ecx, dword ptr [ebp-0x10]
@@ -214,17 +209,11 @@ G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000002 {e
        mov      ebx, eax
        test     ebx, ebx
        jl       SHORT G_M25641_IG10
-       mov      eax, gword ptr [ebp-0x34]
-       ; gcrRegs +[eax]
-       mov      esi, bword ptr [ebp+0x08]
-       ; byrRegs +[esi]
-       mov      edx, dword ptr [esi]
-       mov      dword ptr [ebp-0x3C], edx
-       mov      gword ptr [ebp-0x34], eax
-       push     eax
+       mov      eax, dword ptr [esi]
+       mov      dword ptr [ebp-0x3C], eax
+       push     gword ptr [ebp-0x34]
        mov      ecx, ebx
        call     [Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__getPrecedingInitializersLength|106_2(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer],int):int]
-       ; gcrRegs -[eax]
        add      eax, dword ptr [ebp-0x3C]
        mov      dword ptr [esi], eax
        cmp      ebx, edi
@@ -241,7 +230,7 @@ G_M25641_IG12:        ; bbWeight=0.50, gcVars=00000000 {}, gcrefRegs=00000002 {e
        call     CORINFO_HELP_ASSIGN_BYREF
        call     CORINFO_HELP_ASSIGN_BYREF
        mov      eax, 1
-                       ;; size=76 bbWeight=0.50 PerfScore 13.62
+                      ;; size=66 bbWeight=0.50 PerfScore 11.62
 G_M25641_IG13:        ; bbWeight=0.50, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -259,6 +248,6 @@ G_M25641_IG15:        ; bbWeight=0, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        int3     
                        ;; size=7 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 342, prolog size 23, PerfScore 220.08, instruction count 124, allocated bytes for code 342 (MethodHash=36369bd6) for method Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
+; Total bytes of code 323, prolog size 23, PerfScore 211.08, instruction count 117, allocated bytes for code 323 (MethodHash=36369bd6) for method Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
 ; ============================================================

-34 (-5.55%) : 19060.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts) 

@@ -17,29 +17,29 @@
 ;  V06 loc2         [V06,T13] (  5,  9.50)     int  ->  [ebp-0x18] 
 ;  V07 loc3         [V07,T07] (  4, 12.50)     int  ->  edi        
 ;  V08 loc4         [V08,T14] (  4,  9   )     int  ->  [ebp-0x1C] 
-;  V09 loc5         [V09,T08] (  4, 12.50)     int  ->  [ebp-0x20] 
+;  V09 loc5         [V09,T08] (  4, 12.50)     int  ->  edi        
 ;* V10 loc6         [V10    ] (  0,  0   )  ushort  ->  zero-ref   
 ;  V11 tmp0         [V11,T19] (  3,  6   )     ref  ->  edx         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V12 tmp1         [V12,T20] (  3,  6   )     ref  ->  eax         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V13 tmp2         [V13,T22] (  3,  3   )     ref  ->  edi         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
-;  V14 tmp3         [V14,T05] (  7, 20   )  ushort  ->  [ebp-0x24]  "Inline return value spill temp"
-;  V15 tmp4         [V15,T00] (  6, 36   )     ref  ->  [ebp-0x2C]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
+;  V14 tmp3         [V14,T05] (  7, 20   )  ushort  ->  [ebp-0x20]  "Inline return value spill temp"
+;  V15 tmp4         [V15,T00] (  6, 36   )     ref  ->  [ebp-0x28]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V16 tmp5         [V16,T16] (  3,  8   )     int  ->  ecx         "Inline return value spill temp"
 ;  V17 tmp6         [V17,T03] (  3, 24   )     ref  ->  ecx         class-hnd exact "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
-;  V18 tmp7         [V18,T23] (  3,  3   )     ref  ->  ecx         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
-;  V19 tmp8         [V19,T06] (  6, 16   )  ushort  ->  [ebp-0x28]  "Inline return value spill temp"
-;  V20 tmp9         [V20,T01] (  6, 36   )     ref  ->  [ebp-0x30]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
+;  V18 tmp7         [V18,T23] (  3,  3   )     ref  ->  edi         class-hnd exact single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
+;  V19 tmp8         [V19,T06] (  6, 16   )  ushort  ->  [ebp-0x24]  "Inline return value spill temp"
+;  V20 tmp9         [V20,T01] (  6, 36   )     ref  ->  [ebp-0x2C]  class-hnd exact spill-single-def "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V21 tmp10        [V21,T17] (  3,  8   )     int  ->  ecx         "Inline return value spill temp"
 ;  V22 tmp11        [V22,T04] (  3, 24   )     ref  ->  ecx         class-hnd exact "Inlining Arg" <Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow>
 ;  V23 tmp12        [V23,T09] (  3, 12   )     ref  ->  ecx         "arr expr"
-;  V24 tmp13        [V24,T11] (  3, 12   )     int  ->  edx         "index expr"
+;  V24 tmp13        [V24,T11] (  3, 12   )     int  ->  eax         "index expr"
 ;  V25 tmp14        [V25,T10] (  3, 12   )     ref  ->  ecx         "arr expr"
 ;  V26 tmp15        [V26,T12] (  3, 12   )     int  ->  eax         "index expr"
 ;  V27 cse0         [V27,T24] (  3,  3   )     ref  ->  ecx         "CSE - conservative"
 ;  V28 cse1         [V28,T25] (  3,  3   )     ref  ->  ecx         "CSE - conservative"
-;  V29 cse2         [V29,T21] (  6,  3   )     ref  ->  [ebp-0x34]  multi-def "CSE - conservative"
+;  V29 cse2         [V29,T21] (  6,  3   )     ref  ->  ecx         multi-def "CSE - conservative"
 ;
-; Lcl frame size = 40
+; Lcl frame size = 32
 
 G_M15457_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, nogc <-- Prolog IG
        push     ebp
@@ -47,7 +47,7 @@ G_M15457_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
        push     edi
        push     esi
        push     ebx
-       sub      esp, 40
+       sub      esp, 32
        mov      esi, ecx
        ; gcrRegs +[esi]
        mov      ebx, edx
@@ -127,7 +127,7 @@ G_M15457_IG06:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
 G_M15457_IG07:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        mov      eax, gword ptr [esi+0x04]
        ; gcrRegs +[eax]
-       mov      gword ptr [ebp-0x2C], eax
+       mov      gword ptr [ebp-0x28], eax
        ; GC ptr vars +{V15}
        mov      ecx, dword ptr [eax+0x14]
        cmp      ecx, dword ptr [eax+0x1C]
@@ -139,7 +139,7 @@ G_M15457_IG08:        ; bbWeight=2, gcVars=00000001 {V15}, gcrefRegs=00000041 {e
        call     [<unknown method>]
        ; gcrRegs -[eax ecx]
        test     eax, eax
-       mov      eax, gword ptr [ebp-0x2C]
+       mov      eax, gword ptr [ebp-0x28]
        ; gcrRegs +[eax]
        jne      SHORT G_M15457_IG09
        mov      eax, 0xFFFF
@@ -160,12 +160,12 @@ G_M15457_IG10:        ; bbWeight=4, gcVars=00000000 {}, gcrefRegs=00000040 {esi}
        ; gcrRegs -[ecx]
        ; GC ptr vars -{V15}
        mov      dword ptr [ebp-0x14], eax
-       mov      dword ptr [ebp-0x24], eax
+       mov      dword ptr [ebp-0x20], eax
        mov      ecx, eax
        call     [Microsoft.CodeAnalysis.CSharp.SyntaxFacts:IsHexDigit(ushort):ubyte]
        test     eax, eax
        je       SHORT G_M15457_IG15
-       mov      ecx, dword ptr [ebp-0x24]
+       mov      ecx, dword ptr [ebp-0x20]
        mov      edx, ecx
        sub      edx, 48
        cmp      edx, 9
@@ -198,7 +198,7 @@ G_M15457_IG14:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
                        ;; size=5 bbWeight=0.50 PerfScore 1.50
 G_M15457_IG15:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        test     bl, bl
-       jne      SHORT G_M15457_IG17
+       jne      SHORT G_M15457_IG16
        mov      ecx, esi
        ; gcrRegs +[ecx]
        mov      edx, dword ptr [ebp-0x10]
@@ -209,23 +209,21 @@ G_M15457_IG15:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        call     CORINFO_HELP_CHECKED_ASSIGN_REF_EAX
        ; gcrRegs -[eax]
        ; byrRegs -[edx]
-       mov      edi, dword ptr [ebp-0x14]
-                       ;; size=26 bbWeight=0.50 PerfScore 4.25
+                       ;; size=23 bbWeight=0.50 PerfScore 3.75
 G_M15457_IG16:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        mov      eax, dword ptr [ebp-0x18]
        cmp      eax, 0xD1FFAB1E
        jbe      SHORT G_M15457_IG18
        test     bl, bl
-       jne      G_M15457_IG32
-       mov      dword ptr [ebp-0x14], edi
+       jne      SHORT G_M15457_IG17
        jmp      G_M15457_IG04
-                      ;; size=26 bbWeight=0.50 PerfScore 3.25
-G_M15457_IG17:        ; bbWeight=0.25, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      edi, dword ptr [ebp-0x14]
-       jmp      SHORT G_M15457_IG16
-                       ;; size=5 bbWeight=0.25 PerfScore 0.75
-G_M15457_IG18:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
+                       ;; size=19 bbWeight=0.50 PerfScore 2.75
+G_M15457_IG17:        ; bbWeight=0.25, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[esi]
+       mov      edi, dword ptr [ebp-0x14]
+       jmp      G_M15457_IG32
+                       ;; size=8 bbWeight=0.25 PerfScore 0.75
+G_M15457_IG18:        ; bbWeight=0.50, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        mov      ecx, eax
        mov      edx, bword ptr [ebp+0x0C]
        ; byrRegs +[edx]
@@ -241,14 +239,12 @@ G_M15457_IG19:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        mov      dword ptr [ebp-0x1C], edx
        mov      ecx, gword ptr [esi+0x04]
        ; gcrRegs +[ecx]
-       mov      gword ptr [ebp-0x34], ecx
-       ; GC ptr vars +{V29}
-       inc      dword ptr [ecx+0x14]
-       mov      ecx, gword ptr [ebp-0x34]
+       mov      edi, ecx
+       ; gcrRegs +[edi]
+       inc      dword ptr [edi+0x14]
        cmp      dword ptr [ecx], ecx
-       ; GC ptr vars -{V29}
        call     [Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SlidingTextWindow:PeekChar():ushort:this]
-       ; gcrRegs -[ecx]
+       ; gcrRegs -[ecx edi]
        mov      ecx, eax
        call     [Microsoft.CodeAnalysis.CSharp.SyntaxFacts:IsHexDigit(ushort):ubyte]
        test     eax, eax
@@ -256,7 +252,7 @@ G_M15457_IG19:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000
        test     bl, bl
        jne      SHORT G_M15457_IG20
        jmp      G_M15457_IG04
-                        ;; size=46 bbWeight=0.50 PerfScore 11.00
+                      ;; size=42 bbWeight=0.50 PerfScore 10.12
 G_M15457_IG20:        ; bbWeight=0.25, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref
        ; gcrRegs -[esi]
        mov      edi, dword ptr [ebp-0x14]
@@ -264,50 +260,49 @@ G_M15457_IG20:        ; bbWeight=0.25, gcrefRegs=00000000 {}, byrefRegs=00000000
                        ;; size=8 bbWeight=0.25 PerfScore 0.75
 G_M15457_IG21:        ; bbWeight=0.50, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[esi]
-       xor      eax, eax
-       mov      dword ptr [ebp-0x20], eax
-                       ;; size=5 bbWeight=0.50 PerfScore 0.62
+       xor      edi, edi
+                       ;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M15457_IG22:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
-       mov      edx, gword ptr [esi+0x04]
-       ; gcrRegs +[edx]
-       mov      gword ptr [ebp-0x30], edx
+       mov      eax, gword ptr [esi+0x04]
+       ; gcrRegs +[eax]
+       mov      gword ptr [ebp-0x2C], eax
        ; GC ptr vars +{V20}
-       mov      ecx, dword ptr [edx+0x14]
-       cmp      ecx, dword ptr [edx+0x1C]
+       mov      ecx, dword ptr [eax+0x14]
+       cmp      ecx, dword ptr [eax+0x1C]
        jl       SHORT G_M15457_IG24
                        ;; size=14 bbWeight=4 PerfScore 36.00
-G_M15457_IG23:        ; bbWeight=2, gcVars=00000002 {V20}, gcrefRegs=00000044 {edx esi}, byrefRegs=00000000 {}, gcvars, byref, isz
-       mov      ecx, edx
+G_M15457_IG23:        ; bbWeight=2, gcVars=00000002 {V20}, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       mov      ecx, eax
        ; gcrRegs +[ecx]
        call     [<unknown method>]
-       ; gcrRegs -[ecx edx]
+       ; gcrRegs -[eax ecx]
        test     eax, eax
-       mov      edx, gword ptr [ebp-0x30]
-       ; gcrRegs +[edx]
+       mov      eax, gword ptr [ebp-0x2C]
+       ; gcrRegs +[eax]
        jne      SHORT G_M15457_IG24
        mov      eax, 0xFFFF
+       ; gcrRegs -[eax]
        jmp      SHORT G_M15457_IG25
                        ;; size=22 bbWeight=2 PerfScore 15.50
-G_M15457_IG24:        ; bbWeight=2, gcrefRegs=00000044 {edx esi}, byrefRegs=00000000 {}, byref
-       mov      ecx, gword ptr [edx+0x08]
+G_M15457_IG24:        ; bbWeight=2, gcrefRegs=00000041 {eax esi}, byrefRegs=00000000 {}, byref, isz
+       ; gcrRegs +[eax]
+       mov      ecx, gword ptr [eax+0x08]
        ; gcrRegs +[ecx]
-       mov      edx, dword ptr [edx+0x14]
-       ; gcrRegs -[edx]
-       cmp      edx, dword ptr [ecx+0x04]
-       jae      G_M15457_IG34
-       movzx    ecx, word  ptr [ecx+2*edx+0x08]
-       ; gcrRegs -[ecx]
-       mov      edx, ecx
-       mov      eax, edx
-                       ;; size=24 bbWeight=2 PerfScore 21.00
+       mov      eax, dword ptr [eax+0x14]
+       ; gcrRegs -[eax]
+       cmp      eax, dword ptr [ecx+0x04]
+       jae      SHORT G_M15457_IG34
+       movzx    eax, word  ptr [ecx+2*eax+0x08]
+                       ;; size=16 bbWeight=2 PerfScore 20.00
 G_M15457_IG25:        ; bbWeight=4, gcVars=00000000 {}, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, gcvars, byref, isz
+       ; gcrRegs -[ecx]
        ; GC ptr vars -{V20}
-       mov      dword ptr [ebp-0x28], eax
+       mov      dword ptr [ebp-0x24], eax
        mov      ecx, eax
        call     [Microsoft.CodeAnalysis.CSharp.SyntaxFacts:IsHexDigit(ushort):ubyte]
        test     eax, eax
        je       SHORT G_M15457_IG30
-       mov      ecx, dword ptr [ebp-0x28]
+       mov      ecx, dword ptr [ebp-0x24]
        mov      edx, ecx
        sub      edx, 48
        cmp      edx, 9
@@ -321,7 +316,7 @@ G_M15457_IG26:        ; bbWeight=2, gcrefRegs=00000040 {esi}, byrefRegs=00000000
 G_M15457_IG27:        ; bbWeight=2, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
        add      ecx, -48
                        ;; size=3 bbWeight=2 PerfScore 0.50
-G_M15457_IG28:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref
+G_M15457_IG28:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000 {}, byref, isz
        mov      edx, dword ptr [ebp-0x1C]
        shl      edx, 4
        add      edx, ecx
@@ -329,21 +324,16 @@ G_M15457_IG28:        ; bbWeight=4, gcrefRegs=00000040 {esi}, byrefRegs=00000000
        mov      ecx, gword ptr [esi+0x04]
        ; gcrRegs +[ecx]
        inc      dword ptr [ecx+0x14]
-       mov      ecx, dword ptr [ebp-0x20]
-       ; gcrRegs -[ecx]
-       inc      ecx
-       cmp      ecx, 4
-       mov      dword ptr [ebp-0x20], ecx
-       jl       G_M15457_IG22
-                       ;; size=33 bbWeight=4 PerfScore 45.00
+       inc      edi
+       cmp      edi, 4
+       jl       SHORT G_M15457_IG22
+                       ;; size=23 bbWeight=4 PerfScore 37.00
...

-8 (-4.04%) : 15001.dasm - SixLabors.ImageSharp.Processing.Processors.Convolution.Parameters.BokehBlurKernelDataProvider:CreateComplexKernels(System.Numerics.Vector4[],int,int,float):SixLabors.ImageSharp.Complex64[] 

@@ -57,10 +57,10 @@ G_M44253_IG02:        ; bbWeight=1, gcrefRegs=00000080 {edi}, byrefRegs=00000000
        xor      edx, edx
        mov      ecx, dword ptr [ebp-0x14]
        test     ecx, ecx
-       jle      G_M44253_IG08
+       jle      SHORT G_M44253_IG07
        cmp      dword ptr [eax+0x04], ecx
-       jl       SHORT G_M44253_IG06
-                       ;; size=42 bbWeight=1 PerfScore 12.25
+       jl       SHORT G_M44253_IG05
+                       ;; size=38 bbWeight=1 PerfScore 12.25
 G_M44253_IG03:        ; bbWeight=3.96, gcVars=00000020 {V04}, gcrefRegs=00000000 {}, byrefRegs=00000080 {edi}, gcvars, byref, isz
        ; gcrRegs -[eax]
        mov      dword ptr [ebp-0x10], edx
@@ -85,23 +85,19 @@ G_M44253_IG03:        ; bbWeight=3.96, gcVars=00000020 {V04}, gcrefRegs=00000000
        ; gcrRegs -[eax ebx]
        ; byrRegs -[edx]
        inc      ecx
-       mov      edx, dword ptr [ebp-0x14]
-       cmp      edx, ecx
-       jg       SHORT G_M44253_IG05
-                       ;; size=52 bbWeight=3.96 PerfScore 70.29
+       cmp      dword ptr [ebp-0x14], ecx
+       mov      edx, ecx
+       jg       SHORT G_M44253_IG03
+                       ;; size=52 bbWeight=3.96 PerfScore 74.25
 G_M44253_IG04:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, byref, isz
        ; byrRegs -[edi]
        mov      eax, gword ptr [ebp-0x18]
        ; gcrRegs +[eax]
-       jmp      SHORT G_M44253_IG08
+       jmp      SHORT G_M44253_IG07
                       ;; size=5 bbWeight=1 PerfScore 3.00
-G_M44253_IG05:        ; bbWeight=1.98, gcrefRegs=00000000 {}, byrefRegs=00000080 {edi}, byref, isz
+G_M44253_IG05:        ; bbWeight=0.04, gcrefRegs=00000000 {}, byrefRegs=00000080 {edi}, byref, isz
        ; gcrRegs -[eax]
        ; byrRegs +[edi]
-       mov      edx, ecx
-       jmp      SHORT G_M44253_IG03
-                       ;; size=4 bbWeight=1.98 PerfScore 4.46
-G_M44253_IG06:        ; bbWeight=0.04, gcrefRegs=00000000 {}, byrefRegs=00000080 {edi}, byref, isz
        mov      dword ptr [ebp-0x10], edx
        mov      ebx, edx
        shl      ebx, 4
@@ -119,7 +115,7 @@ G_M44253_IG06:        ; bbWeight=0.04, gcrefRegs=00000000 {}, byrefRegs=00000080
        mov      ecx, gword ptr [ebp-0x18]
        ; gcrRegs +[ecx]
        cmp      ebx, dword ptr [ecx+0x04]
-       jae      SHORT G_M44253_IG10
+       jae      SHORT G_M44253_IG09
        lea      edx, bword ptr [ecx+4*ebx+0x08]
        ; byrRegs +[edx]
        call     CORINFO_HELP_ASSIGN_REF_EAX
@@ -129,14 +125,14 @@ G_M44253_IG06:        ; bbWeight=0.04, gcrefRegs=00000000 {}, byrefRegs=00000080
        mov      eax, dword ptr [ebp-0x14]
        cmp      eax, ebx
        mov      edx, ebx
-       jg       SHORT G_M44253_IG09
+       jg       SHORT G_M44253_IG08
                      ;; size=59 bbWeight=0.04 PerfScore 0.88
-G_M44253_IG07:        ; bbWeight=0.02, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
+G_M44253_IG06:        ; bbWeight=0.02, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; byrRegs -[edi]
        mov      eax, ecx
        ; gcrRegs +[eax]
                        ;; size=2 bbWeight=0.02 PerfScore 0.01
-G_M44253_IG08:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, epilog, nogc
+G_M44253_IG07:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000 {}, byref, epilog, nogc
        ; gcrRegs -[ecx]
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -145,12 +141,12 @@ G_M44253_IG08:        ; bbWeight=1, gcrefRegs=00000001 {eax}, byrefRegs=00000000
        pop      ebp
        ret      8
                        ;; size=10 bbWeight=1 PerfScore 4.50
-G_M44253_IG09:        ; bbWeight=0.02, gcVars=00000020 {V04}, gcrefRegs=00000002 {ecx}, byrefRegs=00000080 {edi}, gcvars, byref, isz
+G_M44253_IG08:        ; bbWeight=0.02, gcVars=00000020 {V04}, gcrefRegs=00000002 {ecx}, byrefRegs=00000080 {edi}, gcvars, byref, isz
        ; gcrRegs -[eax] +[ecx]
        ; byrRegs +[edi]
-       jmp      SHORT G_M44253_IG06
+       jmp      SHORT G_M44253_IG05
                       ;; size=2 bbWeight=0.02 PerfScore 0.04
-G_M44253_IG10:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
+G_M44253_IG09:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, byrefRegs=00000000 {}, gcvars, byref
        ; gcrRegs -[ecx]
        ; byrRegs -[edi]
        ; GC ptr vars -{V04}
@@ -158,6 +154,6 @@ G_M44253_IG10:        ; bbWeight=0, gcVars=00000000 {}, gcrefRegs=00000000 {}, b
        int3     
                        ;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 198, prolog size 12, PerfScore 101.42, instruction count 75, allocated bytes for code 198 (MethodHash=99575322) for method SixLabors.ImageSharp.Processing.Processors.Convolution.Parameters.BokehBlurKernelDataProvider:CreateComplexKernels(System.Numerics.Vector4[],int,int,float):SixLabors.ImageSharp.Complex64[][] (FullOpts)
+; Total bytes of code 190, prolog size 12, PerfScore 100.93, instruction count 73, allocated bytes for code 190 (MethodHash=99575322) for method SixLabors.ImageSharp.Processing.Processors.Convolution.Parameters.BokehBlurKernelDataProvider:CreateComplexKernels(System.Numerics.Vector4[],int,int,float):SixLabors.ImageSharp.Complex64[][] (FullOpts)
 ; ============================================================

+11 (+122.22%) : 4620.dasm - Microsoft.FSharp.Collections.ListModule+groupByRefType@560-4[System.Canon]:Invoke(Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.Canon]):System.__Canon:this (FullOpts) 

@@ -12,9 +12,9 @@
 ;* V01 arg1         [V01    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op single-def <Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]>
 ;* V02 tmp0         [V02    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;  V03 tmp1         [V03,T04] (  1,  1   )     ref  ->  [esp+0x04]  single-def "field V01.value (fldOffset=0x0)" P-INDEP
-;* V04 rat0         [V04,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V04 rat0         [V04,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V05 rat1         [V05,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V06 rat2         [V06,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V06 rat2         [V06,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -22,14 +22,18 @@ G_M13481_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M13481_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax+0x04]
+       mov      eax, dword ptr [eax+0x08]
+       test     eax, eax
        mov      eax, gword ptr [esp+0x04]
        ; gcrRegs +[eax]
-                      ;; size=6 bbWeight=1 PerfScore 4.00
+                       ;; size=17 bbWeight=1 PerfScore 9.25
 G_M13481_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      4
                        ;; size=3 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 9, prolog size 0, PerfScore 6.00, instruction count 3, allocated bytes for code 9 (MethodHash=2bb3cb56) for method Microsoft.FSharp.Collections.ListModule+groupByRefType@560-4[System.__Canon]:Invoke(Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]):System.__Canon:this (FullOpts)
+; Total bytes of code 20, prolog size 0, PerfScore 11.25, instruction count 7, allocated bytes for code 20 (MethodHash=2bb3cb56) for method Microsoft.FSharp.Collections.ListModule+groupByRefType@560-4[System.__Canon]:Invoke(Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]):System.__Canon:this (FullOpts)
 ; ============================================================

+10 (+200.00%) : 16571.dasm - System.Threading.Tasks.Task1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter1[System.__Canon]:this (FullOpts) 

@@ -14,9 +14,9 @@
 ;* V03 tmp2         [V03    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V04 tmp3         [V04    ] (  0,  0   )   ubyte  ->  zero-ref    "Inlining Arg"
 ;* V05 tmp4         [V05    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V01.m_task (fldOffset=0x0)" P-INDEP
-;* V06 rat0         [V06,T02] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V06 rat0         [V06,T02] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V07 rat1         [V07,T03] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V08 rat2         [V08,T01] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V08 rat2         [V08,T01] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -24,14 +24,18 @@ G_M9200_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {},
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M9200_IG02:        ; bbWeight=1, gcrefRegs=00000002 {ecx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax]
+       mov      eax, dword ptr [eax+0x10]
+       test     eax, eax
        mov      eax, ecx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=14 bbWeight=1 PerfScore 8.50
 G_M9200_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (FullOpts)
+; Total bytes of code 15, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 15 (MethodHash=f51cdc0f) for method System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (FullOpts)
 ; ============================================================

+11 (+220.00%) : 3356.dasm - Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.Canon]:Invoke(System.Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts) 

@@ -13,9 +13,9 @@
 ;* V02 tmp0         [V02    ] (  0,  0   )  struct ( 4) zero-ref    ld-addr-op "NewObj constructor temp" <Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]>
 ;* V03 tmp1         [V03    ] (  0,  0   )     int  ->  zero-ref    "spilling helperCall"
 ;* V04 tmp2         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V02.value (fldOffset=0x0)" P-INDEP
-;* V05 rat0         [V05,T03] (  0,  0   )     int  ->  zero-ref    "Spilling to split statement for tree"
+;  V05 rat0         [V05,T03] (  2,  4   )     int  ->  eax         "Spilling to split statement for tree"
 ;* V06 rat1         [V06,T04] (  0,  0   )     int  ->  zero-ref    "runtime lookup"
-;* V07 rat2         [V07,T00] (  0,  0   )     int  ->  zero-ref    "fgMakeTemp is creating a new local variable"
+;  V07 rat2         [V07,T00] (  2,  4   )     int  ->  eax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
@@ -23,14 +23,18 @@ G_M33213_IG01:        ; bbWeight=1, gcrefRegs=00000000 {}, byrefRegs=00000000 {}
                        ;; size=0 bbWeight=1 PerfScore 0.00
 G_M33213_IG02:        ; bbWeight=1, gcrefRegs=00000006 {ecx edx}, byrefRegs=00000000 {}, byref
        ; gcrRegs +[ecx edx]
-       cmp      dword ptr [ecx], ecx
+       mov      eax, dword ptr [ecx]
+       mov      eax, dword ptr [eax+0x24]
+       mov      eax, dword ptr [eax+0x04]
+       mov      eax, dword ptr [eax+0x08]
+       test     eax, eax
        mov      eax, edx
        ; gcrRegs +[eax]
-                      ;; size=4 bbWeight=1 PerfScore 3.25
+                       ;; size=15 bbWeight=1 PerfScore 8.50
 G_M33213_IG03:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 5, prolog size 0, PerfScore 4.25, instruction count 3, allocated bytes for code 5 (MethodHash=44387e42) for method Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
+; Total bytes of code 16, prolog size 0, PerfScore 9.50, instruction count 7, allocated bytes for code 16 (MethodHash=44387e42) for method Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
 ; ============================================================

Details

Improvements/regressions per collection

Collection Contexts with diffs Improvements Regressions Same size Improvements (bytes) Regressions (bytes)
benchmarks.run.windows.x86.checked.mch 468 123 277 68 -838 +4,028
benchmarks.run_pgo.windows.x86.checked.mch 919 275 430 214 -1,776 +4,775
benchmarks.run_tiered.windows.x86.checked.mch 419 123 222 74 -831 +3,211
coreclr_tests.run.windows.x86.checked.mch 4,228 1,690 1,261 1,277 -24,648 +16,071
libraries.crossgen2.windows.x86.checked.mch 1,384 680 257 447 -3,317 +2,281
libraries.pmi.windows.x86.checked.mch 2,517 792 1,290 435 -4,473 +16,105
libraries_tests.run.windows.x86.Release.mch 8,968 2,649 4,422 1,897 -22,720 +63,545
librariestestsnotieredcompilation.run.windows.x86.Release.mch 2,808 764 1,383 661 -5,858 +18,048
realworld.run.windows.x86.checked.mch 574 187 277 110 -1,768 +3,809
22,285 7,283 9,819 5,183 -66,229 +131,873

Context information

Collection Diffed contexts MinOpts FullOpts Missed, base Missed, diff
benchmarks.run.windows.x86.checked.mch 24,257 4 24,253 223 (0.91%) 229 (0.94%)
benchmarks.run_pgo.windows.x86.checked.mch 119,572 41,883 77,689 237 (0.20%) 261 (0.22%)
benchmarks.run_tiered.windows.x86.checked.mch 47,808 28,723 19,085 166 (0.35%) 172 (0.36%)
coreclr_tests.run.windows.x86.checked.mch 574,136 320,026 254,110 531 (0.09%) 599 (0.10%)
libraries.crossgen2.windows.x86.checked.mch 242,302 15 242,287 0 (0.00%) 42 (0.02%)
libraries.pmi.windows.x86.checked.mch 302,897 6 302,891 2,071 (0.68%) 2,152 (0.71%)
libraries_tests.run.windows.x86.Release.mch 630,690 427,921 202,769 1,208 (0.19%) 1,595 (0.25%)
librariestestsnotieredcompilation.run.windows.x86.Release.mch 314,343 21,871 292,472 2,024 (0.64%) 2,085 (0.66%)
realworld.run.windows.x86.checked.mch 35,570 3 35,567 390 (1.08%) 417 (1.16%)
2,291,575 840,452 1,451,123 6,850 (0.30%) 7,552 (0.33%)

jit-analyze output

benchmarks.run.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 6959786 (overridden on cmd)
Total bytes of diff: 6962976 (overridden on cmd)
Total bytes of delta: 3190 (0.05 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
          77 : 10815.dasm (10.07 % of base)
          75 : 20070.dasm (5.36 % of base)
          70 : 16327.dasm (2.06 % of base)
          67 : 6704.dasm (4.37 % of base)
          64 : 18028.dasm (5.85 % of base)
          59 : 7449.dasm (7.78 % of base)
          57 : 18189.dasm (5.57 % of base)
          55 : 18795.dasm (13.25 % of base)
          52 : 17942.dasm (0.81 % of base)
          52 : 9391.dasm (10.48 % of base)
          45 : 13241.dasm (11.31 % of base)
          43 : 4913.dasm (5.22 % of base)
          42 : 13334.dasm (6.36 % of base)
          38 : 10816.dasm (1.39 % of base)
          36 : 14943.dasm (28.35 % of base)
          36 : 14956.dasm (9.33 % of base)
          34 : 8833.dasm (1.85 % of base)
          31 : 152.dasm (2.80 % of base)
          31 : 2697.dasm (7.69 % of base)
          30 : 544.dasm (5.15 % of base)

Top file improvements (bytes):
        -167 : 18493.dasm (-2.97 % of base)
         -48 : 9270.dasm (-0.51 % of base)
         -29 : 18767.dasm (-3.77 % of base)
         -22 : 1475.dasm (-1.67 % of base)
         -21 : 19229.dasm (-2.47 % of base)
         -21 : 43.dasm (-3.08 % of base)
         -20 : 16966.dasm (-2.24 % of base)
         -20 : 10601.dasm (-1.91 % of base)
         -19 : 4445.dasm (-4.19 % of base)
         -15 : 22477.dasm (-0.79 % of base)
         -14 : 13843.dasm (-1.60 % of base)
         -13 : 15090.dasm (-0.93 % of base)
         -12 : 4074.dasm (-1.36 % of base)
         -12 : 20397.dasm (-1.06 % of base)
         -12 : 23807.dasm (-1.04 % of base)
         -11 : 7389.dasm (-1.16 % of base)
         -10 : 15419.dasm (-3.05 % of base)
         -10 : 2000.dasm (-0.11 % of base)
          -9 : 21418.dasm (-2.74 % of base)
          -8 : 2935.dasm (-1.83 % of base)

78 total files with Code Size differences (33 improved, 45 regressed), 20 unchanged.

Top method regressions (bytes):
          77 (10.07 % of base) : 10815.dasm - System.Text.Json.Serialization.Converters.DictionaryOfTKeyTValueConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (FullOpts)
          75 (5.36 % of base) : 20070.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
          70 (2.06 % of base) : 16327.dasm - Benchstone.BenchI.MulMatrix:Inner(int[][],int[][],int[][]) (FullOpts)
          67 (4.37 % of base) : 6704.dasm - Newtonsoft.Json.Linq.JContainer:ReadContentFrom(Newtonsoft.Json.JsonReader,Newtonsoft.Json.Linq.JsonLoadSettings):this (FullOpts)
          64 (5.85 % of base) : 18028.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          59 (7.78 % of base) : 7449.dasm - System.Text.Json.Serialization.Converters.DictionaryDefaultConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (FullOpts)
          57 (5.57 % of base) : 18189.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (FullOpts)
          55 (13.25 % of base) : 18795.dasm - Microsoft.CodeAnalysis.RuntimeMembers.SignatureComparer`5[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MatchPropertySignature(System.__Canon,System.Collections.Immutable.ImmutableArray`1[ubyte]):ubyte:this (FullOpts)
          52 (0.81 % of base) : 17942.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
          52 (10.48 % of base) : 9391.dasm - System.Text.Json.Serialization.Converters.IDictionaryConverter`1[System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (FullOpts)
          45 (11.31 % of base) : 13241.dasm - System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:DeepClone(int):System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:this (FullOpts)
          43 (5.22 % of base) : 4913.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):this (FullOpts)
          42 (6.36 % of base) : 13334.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):this (FullOpts)
          38 (1.39 % of base) : 10816.dasm - System.Text.Json.Serialization.JsonDictionaryConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnTryRead(byref,System.Type,System.Text.Json.JsonSerializerOptions,byref,byref):ubyte:this (FullOpts)
          36 (9.33 % of base) : 14956.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2[System.__Canon,System.__Canon]:WithComparers(System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon]):System.Collections.Immutable.ImmutableSortedDictionary`2[System.__Canon,System.__Canon]:this (FullOpts)
          36 (28.35 % of base) : 14943.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:Add(System.__Canon,System.__Canon,System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:this (FullOpts)
          34 (1.85 % of base) : 8833.dasm - System.Text.Json.Serialization.Converters.ObjectWithParameterizedConstructorConverter`1[System.__Canon]:ReadConstructorArgumentsWithContinuation(byref,byref,System.Text.Json.JsonSerializerOptions):ubyte:this (FullOpts)
          31 (7.69 % of base) : 2697.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceCacheKey,System.__Canon]:TryGetValue(Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceCacheKey,byref):ubyte:this (FullOpts)
          31 (2.80 % of base) : 152.dasm - System.Number:TryParseBinaryIntegerStyle[ushort,int](System.ReadOnlySpan`1[ushort],int,System.Globalization.NumberFormatInfo,byref):int (FullOpts)
          30 (5.15 % of base) : 544.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor(int,int,ubyte,System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (FullOpts)

Top method improvements (bytes):
        -167 (-2.97 % of base) : 18493.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (FullOpts)
         -48 (-0.51 % of base) : 9270.dasm - System.Text.RegularExpressions.RegexInterpreter:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (FullOpts)
         -29 (-3.77 % of base) : 18767.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (FullOpts)
         -22 (-1.67 % of base) : 1475.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (FullOpts)
         -21 (-2.47 % of base) : 19229.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (FullOpts)
         -21 (-3.08 % of base) : 43.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (FullOpts)
         -20 (-2.24 % of base) : 16966.dasm - LUDecomp:Run():double:this (FullOpts)
         -20 (-1.91 % of base) : 10601.dasm - System.Text.Encoding:GetBytesWithFallback(System.ReadOnlySpan`1[ushort],int,System.Span`1[ubyte],int,System.Text.EncoderNLS,ubyte):int:this (FullOpts)
         -19 (-4.19 % of base) : 4445.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -15 (-0.79 % of base) : 22477.dasm - System.IO.Enumeration.FileSystemName:MatchPattern(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort],ubyte,ubyte):ubyte (FullOpts)
         -14 (-1.60 % of base) : 13843.dasm - System.IO.FileSystem:CreateDirectory(System.String,ubyte[]) (FullOpts)
         -13 (-0.93 % of base) : 15090.dasm - AssignJagged:second_assignments(int[][],short[][]) (FullOpts)
         -12 (-1.36 % of base) : 4074.dasm - BenchmarksGame.KNucleotide_9:writeFrequencies(System.Collections.Generic.Dictionary`2[long,BenchmarksGame.Wrapper],int,int[],byref):System.String (FullOpts)
         -12 (-1.06 % of base) : 20397.dasm - Microsoft.CodeAnalysis.CSharp.Emit.PEModuleBuilder:GetForwardedTypes(System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.CommonAssemblyWellKnownAttributeData`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.Cci.ExportedType]) (FullOpts)
         -12 (-1.04 % of base) : 23807.dasm - System.MulticastDelegate:CombineImpl(System.Delegate):System.Delegate:this (FullOpts)
         -11 (-1.16 % of base) : 7389.dasm - System.Text.Encoding:GetCharsWithFallback(System.ReadOnlySpan`1[ubyte],int,System.Span`1[ushort],int,System.Text.DecoderNLS,ubyte):int:this (FullOpts)
         -10 (-0.11 % of base) : 2000.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (FullOpts)
         -10 (-3.05 % of base) : 15419.dasm - System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong]:<TryFoldAlternation>g__TrySplitConcatSubsumption|52_0(System.Text.RegularExpressions.Symbolic.SymbolicRegexBuilder`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],byref):ubyte (FullOpts)
          -9 (-2.74 % of base) : 21418.dasm - System.Collections.Concurrent.ConcurrentBag`1[int]:ToArray():int[]:this (FullOpts)
          -8 (-1.83 % of base) : 2935.dasm - Jil.Common.ExtensionMethods:GetMethod(System.Type,System.String,int,System.Type[]):System.Reflection.MethodInfo (FullOpts)

Top method regressions (percentages):
          24 (104.35 % of base) : 4434.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (FullOpts)
          24 (104.35 % of base) : 5450.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          10 (66.67 % of base) : 17958.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
          26 (57.78 % of base) : 8633.dasm - System.Collections.Generic.SortedList`2[System.__Canon,System.__Canon]:Clear():this (FullOpts)
          10 (50.00 % of base) : 21896.dasm - System.Collections.Immutable.ImmutableQueue`1[System.__Canon]:GetEnumerator():System.Collections.Immutable.ImmutableQueue`1+Enumerator[System.__Canon]:this (FullOpts)
          12 (44.44 % of base) : 18039.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
          10 (40.00 % of base) : 18300.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,uint]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (FullOpts)
          22 (38.60 % of base) : 16157.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (FullOpts)
          10 (38.46 % of base) : 3619.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor():this (FullOpts)
          12 (37.50 % of base) : 23212.dasm - System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (FullOpts)
          10 (35.71 % of base) : 18818.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:AddRange(System.Collections.Immutable.ImmutableArray`1[System.__Canon]):this (FullOpts)
          22 (34.92 % of base) : 17432.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:TryGetValue(System.__Canon,byref):ubyte:this (FullOpts)
          10 (34.48 % of base) : 23612.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Clear():this (FullOpts)
          10 (33.33 % of base) : 6890.dasm - System.Collections.Generic.HashSet`1[System.__Canon]:GetEnumerator():System.Collections.Generic.HashSet`1+Enumerator[System.__Canon]:this (FullOpts)
          12 (33.33 % of base) : 16915.dasm - System.Collections.Generic.List`1[System.__Canon]:Clear():this (FullOpts)
          10 (33.33 % of base) : 8511.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:get_Value():System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]:this (FullOpts)
          11 (29.73 % of base) : 22837.dasm - System.Collections.Frozen.OrdinalStringFrozenDictionary`1[System.__Canon]:GetEnumeratorCore():System.Collections.Frozen.FrozenDictionary`2+Enumerator[System.__Canon,System.__Canon]:this (FullOpts)
          10 (29.41 % of base) : 13370.dasm - System.Collections.Generic.Queue`1[System.__Canon]:GetEnumerator():System.Collections.Generic.Queue`1+Enumerator[System.__Canon]:this (FullOpts)
          10 (29.41 % of base) : 3026.dasm - System.Collections.Generic.Stack`1[System.__Canon]:GetEnumerator():System.Collections.Generic.Stack`1+Enumerator[System.__Canon]:this (FullOpts)
          10 (28.57 % of base) : 22190.dasm - System.Memory.Constructors`1[System.__Canon]:ReadOnlySpanFromArray():System.ReadOnlySpan`1[System.__Canon]:this (FullOpts)

Top method improvements (percentages):
         -19 (-4.19 % of base) : 4445.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -29 (-3.77 % of base) : 18767.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (FullOpts)
         -21 (-3.08 % of base) : 43.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (FullOpts)
         -10 (-3.05 % of base) : 15419.dasm - System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong]:<TryFoldAlternation>g__TrySplitConcatSubsumption|52_0(System.Text.RegularExpressions.Symbolic.SymbolicRegexBuilder`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],byref):ubyte (FullOpts)
          -6 (-2.99 % of base) : 13.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (FullOpts)
        -167 (-2.97 % of base) : 18493.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (FullOpts)
          -9 (-2.74 % of base) : 21418.dasm - System.Collections.Concurrent.ConcurrentBag`1[int]:ToArray():int[]:this (FullOpts)
         -21 (-2.47 % of base) : 19229.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (FullOpts)
          -8 (-2.42 % of base) : 4454.dasm - System.Collections.Frozen.KeyAnalyzer:CreateAnalysisResults(System.ReadOnlySpan`1[System.String],ubyte,int,int,int,int,ubyte,System.Collections.Frozen.KeyAnalyzer+GetSpan):System.Collections.Frozen.KeyAnalyzer+AnalysisResults (FullOpts)
          -6 (-2.28 % of base) : 602.dasm - System.Linq.EnumerableSorter`2[System.__Canon,int]:ComputeKeys(System.__Canon[],int):this (FullOpts)
         -20 (-2.24 % of base) : 16966.dasm - LUDecomp:Run():double:this (FullOpts)
         -20 (-1.91 % of base) : 10601.dasm - System.Text.Encoding:GetBytesWithFallback(System.ReadOnlySpan`1[ushort],int,System.Span`1[ubyte],int,System.Text.EncoderNLS,ubyte):int:this (FullOpts)
          -8 (-1.83 % of base) : 2935.dasm - Jil.Common.ExtensionMethods:GetMethod(System.Type,System.String,int,System.Type[]):System.Reflection.MethodInfo (FullOpts)
          -5 (-1.80 % of base) : 2808.dasm - Microsoft.Extensions.Logging.LogValuesFormatter:FindBraceIndex(System.String,ushort,int,int):int (FullOpts)
          -5 (-1.79 % of base) : 23995.dasm - NumericSortJagged:LoadNumArrayWithRand(int[][],int,int) (FullOpts)
          -8 (-1.78 % of base) : 4507.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.Collections.NotKnownComparable,System.Collections.NotKnownComparable]:.ctor(System.Collections.Generic.Dictionary`2[System.Collections.NotKnownComparable,System.Collections.NotKnownComparable],ubyte):this (FullOpts)
          -5 (-1.73 % of base) : 17475.dasm - Benchstone.BenchF.LLoops:AllocArray[double](int,int,int):double[][][] (FullOpts)
         -22 (-1.67 % of base) : 1475.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (FullOpts)
          -2 (-1.67 % of base) : 5357.dasm - System.Diagnostics.Tracing.EventSource+EventMetadata:<get_ParameterTypes>g__GetParameterTypes|22_0(System.Reflection.ParameterInfo[]):System.Type[] (FullOpts)
          -2 (-1.67 % of base) : 8659.dasm - System.Diagnostics.Tracing.TraceLoggingEventTypes:MakeParamNameArray(System.Reflection.ParameterInfo[]):System.String[] (FullOpts)

benchmarks.run_pgo.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 45633676 (overridden on cmd)
Total bytes of diff: 45636675 (overridden on cmd)
Total bytes of delta: 2999 (0.01 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
          77 : 40234.dasm (10.07 % of base)
          75 : 78310.dasm (5.36 % of base)
          70 : 61104.dasm (2.06 % of base)
          67 : 23177.dasm (4.37 % of base)
          64 : 72936.dasm (5.85 % of base)
          59 : 20262.dasm (7.78 % of base)
          57 : 73320.dasm (5.57 % of base)
          55 : 74776.dasm (13.25 % of base)
          53 : 17220.dasm (22.08 % of base)
          52 : 30175.dasm (10.48 % of base)
          45 : 40616.dasm (11.31 % of base)
          43 : 3233.dasm (4.77 % of base)
          42 : 43567.dasm (6.36 % of base)
          38 : 40236.dasm (1.36 % of base)
          37 : 79110.dasm (1.35 % of base)
          34 : 30101.dasm (1.80 % of base)
          34 : 69217.dasm (7.71 % of base)
          31 : 323.dasm (2.80 % of base)
          30 : 1144.dasm (5.15 % of base)
          30 : 44744.dasm (5.16 % of base)

Top file improvements (bytes):
         -73 : 94741.dasm (-2.07 % of base)
         -52 : 20346.dasm (-2.43 % of base)
         -52 : 40034.dasm (-2.43 % of base)
         -48 : 28305.dasm (-0.51 % of base)
         -32 : 72760.dasm (-0.48 % of base)
         -29 : 74725.dasm (-3.77 % of base)
         -29 : 75899.dasm (-3.30 % of base)
         -22 : 11085.dasm (-1.67 % of base)
         -21 : 93.dasm (-3.08 % of base)
         -20 : 35890.dasm (-1.61 % of base)
         -20 : 66078.dasm (-2.24 % of base)
         -20 : 81812.dasm (-0.51 % of base)
         -19 : 3408.dasm (-4.19 % of base)
         -17 : 78828.dasm (-1.45 % of base)
         -15 : 8631.dasm (-8.52 % of base)
         -15 : 100749.dasm (-0.14 % of base)
         -15 : 116462.dasm (-0.14 % of base)
         -14 : 45037.dasm (-1.60 % of base)
         -13 : 53708.dasm (-0.93 % of base)
         -12 : 107730.dasm (-6.45 % of base)

90 total files with Code Size differences (45 improved, 45 regressed), 20 unchanged.

Top method regressions (bytes):
          77 (10.07 % of base) : 40234.dasm - System.Text.Json.Serialization.Converters.DictionaryOfTKeyTValueConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          75 (5.36 % of base) : 78310.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (Tier0-FullOpts)
          70 (2.06 % of base) : 61104.dasm - Benchstone.BenchI.MulMatrix:Inner(int[][],int[][],int[][]) (Tier0-FullOpts)
          67 (4.37 % of base) : 23177.dasm - Newtonsoft.Json.Linq.JContainer:ReadContentFrom(Newtonsoft.Json.JsonReader,Newtonsoft.Json.Linq.JsonLoadSettings):this (Tier0-FullOpts)
          64 (5.85 % of base) : 72936.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (Tier0-FullOpts)
          59 (7.78 % of base) : 20262.dasm - System.Text.Json.Serialization.Converters.DictionaryDefaultConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          57 (5.57 % of base) : 73320.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (Tier0-FullOpts)
          55 (13.25 % of base) : 74776.dasm - Microsoft.CodeAnalysis.RuntimeMembers.SignatureComparer`5[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MatchPropertySignature(System.__Canon,System.Collections.Immutable.ImmutableArray`1[ubyte]):ubyte:this (Tier0-FullOpts)
          53 (22.08 % of base) : 17220.dasm - System.Collections.Concurrent.ConcurrentDictionary`2+Enumerator[System.Net.Http.HttpConnectionPoolManager+HttpConnectionKey,System.__Canon]:MoveNext():ubyte:this (Tier0-FullOpts)
          52 (10.48 % of base) : 30175.dasm - System.Text.Json.Serialization.Converters.IDictionaryConverter`1[System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          45 (11.31 % of base) : 40616.dasm - System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:DeepClone(int):System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
          43 (4.77 % of base) : 3233.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):this (Tier0-FullOpts)
          42 (6.36 % of base) : 43567.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):this (Tier0-FullOpts)
          38 (1.36 % of base) : 40236.dasm - System.Text.Json.Serialization.JsonDictionaryConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnTryRead(byref,System.Type,System.Text.Json.JsonSerializerOptions,byref,byref):ubyte:this (Tier0-FullOpts)
          37 (1.35 % of base) : 79110.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.TupleTypeDecoder:DecodeType(Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol):Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol:this (Tier1)
          34 (7.71 % of base) : 69217.dasm - System.Collections.Concurrent.ConcurrentBag`1+WorkStealingQueue[System.__Canon]:TryLocalPop(byref):ubyte:this (Tier1)
          34 (1.80 % of base) : 30101.dasm - System.Text.Json.Serialization.Converters.ObjectWithParameterizedConstructorConverter`1[System.__Canon]:ReadConstructorArgumentsWithContinuation(byref,byref,System.Text.Json.JsonSerializerOptions):ubyte:this (Tier0-FullOpts)
          31 (2.80 % of base) : 323.dasm - System.Number:TryParseBinaryIntegerStyle[ushort,int](System.ReadOnlySpan`1[ushort],int,System.Globalization.NumberFormatInfo,byref):int (Tier0-FullOpts)
          30 (5.15 % of base) : 1144.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor(int,int,ubyte,System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (Tier0-FullOpts)
          30 (5.16 % of base) : 44744.dasm - System.Collections.Generic.Dictionary`2[System.ValueTuple`2[System.__Canon,System.__Canon],System.__Canon]:Remove(System.ValueTuple`2[System.__Canon,System.__Canon]):ubyte:this (Tier0-FullOpts)

Top method improvements (bytes):
         -73 (-2.07 % of base) : 94741.dasm - Newtonsoft.Json.JsonTextReader:ParseReadNumber(int,ushort,int):this (Tier1)
         -52 (-2.43 % of base) : 20346.dasm - System.Text.Json.Serialization.JsonConverter`1[System.__Canon]:TryWrite(System.Text.Json.Utf8JsonWriter,byref,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier1)
         -52 (-2.43 % of base) : 40034.dasm - System.Text.Json.Serialization.JsonConverter`1[System.__Canon]:TryWrite(System.Text.Json.Utf8JsonWriter,byref,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier1)
         -48 (-0.51 % of base) : 28305.dasm - System.Text.RegularExpressions.RegexInterpreter:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (Tier0-FullOpts)
         -32 (-0.48 % of base) : 72760.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
         -29 (-3.77 % of base) : 74725.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (Tier0-FullOpts)
         -29 (-3.30 % of base) : 75899.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (Tier0-FullOpts)
         -22 (-1.67 % of base) : 11085.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (Tier0-FullOpts)
         -21 (-3.08 % of base) : 93.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (Tier0-FullOpts)
         -20 (-2.24 % of base) : 66078.dasm - LUDecomp:Run():double:this (Tier0-FullOpts)
         -20 (-0.51 % of base) : 81812.dasm - Microsoft.Cci.MetadataVisitor:Visit(Microsoft.Cci.ICustomAttribute):this (Tier1)
         -20 (-1.61 % of base) : 35890.dasm - System.Text.Encoding:GetBytesWithFallback(System.ReadOnlySpan`1[ushort],int,System.Span`1[ubyte],int,System.Text.EncoderNLS,ubyte):int:this (Tier0-FullOpts)
         -19 (-4.19 % of base) : 3408.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (Tier0-FullOpts)
         -17 (-1.45 % of base) : 78828.dasm - Microsoft.CodeAnalysis.CSharp.Emit.PEModuleBuilder:GetForwardedTypes(System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.CommonAssemblyWellKnownAttributeData`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.Cci.ExportedType]) (Tier0-FullOpts)
         -15 (-0.14 % of base) : 116462.dasm - Jil.Deserialize.Methods:_ReadISO8601DateThunkReader(byref,ushort[]):System.DateTime (Tier0-FullOpts)
         -15 (-0.14 % of base) : 100749.dasm - Jil.Deserialize.Methods:_ReadISO8601DateWithOffsetThunkReader(byref,ushort[]):System.DateTimeOffset (Tier0-FullOpts)
         -15 (-8.52 % of base) : 8631.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -14 (-1.60 % of base) : 45037.dasm - System.IO.FileSystem:CreateDirectory(System.String,ubyte[]) (Tier0-FullOpts)
         -13 (-0.93 % of base) : 53708.dasm - AssignJagged:second_assignments(int[][],short[][]) (Tier0-FullOpts)
         -12 (-6.45 % of base) : 107730.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)

Top method regressions (percentages):
          24 (104.35 % of base) : 26843.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
          10 (66.67 % of base) : 73926.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
          12 (44.44 % of base) : 82231.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          10 (40.00 % of base) : 80055.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (Tier1)
          10 (38.46 % of base) : 82128.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor():this (Tier1)
          12 (37.50 % of base) : 104602.dasm - System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
          22 (34.92 % of base) : 77537.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:TryGetValue(System.__Canon,byref):ubyte:this (Tier1)
          10 (34.48 % of base) : 118821.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Clear():this (Tier1)
          10 (34.48 % of base) : 36568.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Clear():this (Tier1)
          10 (33.33 % of base) : 42886.dasm - System.Collections.Generic.HashSet`1[System.__Canon]:GetEnumerator():System.Collections.Generic.HashSet`1+Enumerator[System.__Canon]:this (Tier1)
          10 (33.33 % of base) : 22431.dasm - System.Collections.Generic.List`1[System.__Canon]:GetEnumerator():System.Collections.Generic.List`1+Enumerator[System.__Canon]:this (Tier1)
          10 (33.33 % of base) : 76728.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:get_Origin():System.Collections.Immutable.ImmutableDictionary`2+MutationInput[System.__Canon,System.__Canon]:this (Tier1)
          10 (29.41 % of base) : 22657.dasm - System.Collections.Generic.Stack`1[System.__Canon]:GetEnumerator():System.Collections.Generic.Stack`1+Enumerator[System.__Canon]:this (Tier1)
          24 (26.67 % of base) : 73906.dasm - System.Collections.Immutable.ImmutableDictionary`2+Comparers[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (Tier1)
          12 (26.09 % of base) : 111492.dasm - System.Collections.Generic.Stack`1[System.Collections.Immutable.RefAsValueType`1[System.__Canon]]:Pop():System.Collections.Immutable.RefAsValueType`1[System.__Canon]:this (Tier1)
          12 (26.09 % of base) : 64160.dasm - System.Collections.Generic.Stack`1[System.Collections.Immutable.RefAsValueType`1[System.__Canon]]:Pop():System.Collections.Immutable.RefAsValueType`1[System.__Canon]:this (Tier1)
          12 (25.00 % of base) : 105384.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (25.00 % of base) : 21812.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (25.00 % of base) : 66024.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)
          12 (25.00 % of base) : 115647.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)

Top method improvements (percentages):
         -15 (-8.52 % of base) : 8631.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -12 (-6.45 % of base) : 107730.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
         -12 (-6.45 % of base) : 61677.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
         -12 (-5.80 % of base) : 107414.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
         -12 (-5.80 % of base) : 111152.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -9 (-4.84 % of base) : 61096.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
         -10 (-4.78 % of base) : 104916.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -10 (-4.78 % of base) : 108305.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -10 (-4.78 % of base) : 24250.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -10 (-4.78 % of base) : 32080.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -10 (-4.78 % of base) : 66489.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
         -10 (-4.59 % of base) : 15705.dasm - System.Runtime.CompilerServices.CastHelpers:IsInstanceOfAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 46363.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 102142.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 1202.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 87493.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 103498.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 58998.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 88842.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
          -8 (-4.40 % of base) : 93370.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)

benchmarks.run_tiered.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 9313285 (overridden on cmd)
Total bytes of diff: 9315665 (overridden on cmd)
Total bytes of delta: 2380 (0.03 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
          77 : 25436.dasm (10.07 % of base)
          75 : 39404.dasm (5.36 % of base)
          70 : 31625.dasm (2.06 % of base)
          67 : 7822.dasm (4.37 % of base)
          64 : 34882.dasm (5.85 % of base)
          59 : 14750.dasm (7.78 % of base)
          57 : 35232.dasm (5.57 % of base)
          55 : 36443.dasm (13.25 % of base)
          52 : 34711.dasm (0.81 % of base)
          52 : 19252.dasm (10.48 % of base)
          45 : 25523.dasm (11.31 % of base)
          43 : 17168.dasm (5.22 % of base)
          42 : 26896.dasm (6.36 % of base)
          38 : 25437.dasm (1.39 % of base)
          34 : 19198.dasm (1.85 % of base)
          31 : 379.dasm (2.80 % of base)
          30 : 26702.dasm (5.26 % of base)
          30 : 33812.dasm (1.12 % of base)
          30 : 26536.dasm (0.62 % of base)
          30 : 33058.dasm (6.96 % of base)

Top file improvements (bytes):
        -167 : 35911.dasm (-2.97 % of base)
         -48 : 19139.dasm (-0.51 % of base)
         -29 : 36392.dasm (-3.77 % of base)
         -22 : 4072.dasm (-1.67 % of base)
         -21 : 37395.dasm (-2.47 % of base)
         -21 : 99.dasm (-3.08 % of base)
         -20 : 23126.dasm (-1.91 % of base)
         -20 : 32886.dasm (-2.24 % of base)
         -19 : 13748.dasm (-4.19 % of base)
         -15 : 44823.dasm (-0.79 % of base)
         -14 : 28134.dasm (-1.60 % of base)
         -13 : 29730.dasm (-0.93 % of base)
         -12 : 39896.dasm (-1.06 % of base)
         -12 : 47197.dasm (-1.04 % of base)
         -12 : 10282.dasm (-1.36 % of base)
         -11 : 8719.dasm (-1.16 % of base)
         -10 : 11968.dasm (-0.11 % of base)
         -10 : 29911.dasm (-3.05 % of base)
          -8 : 14604.dasm (-2.42 % of base)
          -8 : 17146.dasm (-1.78 % of base)

77 total files with Code Size differences (32 improved, 45 regressed), 20 unchanged.

Top method regressions (bytes):
          77 (10.07 % of base) : 25436.dasm - System.Text.Json.Serialization.Converters.DictionaryOfTKeyTValueConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          75 (5.36 % of base) : 39404.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (Tier0-FullOpts)
          70 (2.06 % of base) : 31625.dasm - Benchstone.BenchI.MulMatrix:Inner(int[][],int[][],int[][]) (Tier0-FullOpts)
          67 (4.37 % of base) : 7822.dasm - Newtonsoft.Json.Linq.JContainer:ReadContentFrom(Newtonsoft.Json.JsonReader,Newtonsoft.Json.Linq.JsonLoadSettings):this (Tier0-FullOpts)
          64 (5.85 % of base) : 34882.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (Tier0-FullOpts)
          59 (7.78 % of base) : 14750.dasm - System.Text.Json.Serialization.Converters.DictionaryDefaultConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          57 (5.57 % of base) : 35232.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (Tier0-FullOpts)
          55 (13.25 % of base) : 36443.dasm - Microsoft.CodeAnalysis.RuntimeMembers.SignatureComparer`5[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MatchPropertySignature(System.__Canon,System.Collections.Immutable.ImmutableArray`1[ubyte]):ubyte:this (Tier0-FullOpts)
          52 (0.81 % of base) : 34711.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
          52 (10.48 % of base) : 19252.dasm - System.Text.Json.Serialization.Converters.IDictionaryConverter`1[System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (Tier0-FullOpts)
          45 (11.31 % of base) : 25523.dasm - System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:DeepClone(int):System.Collections.Generic.SortedSet`1+Node[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
          43 (5.22 % of base) : 17168.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]]):this (Tier0-FullOpts)
          42 (6.36 % of base) : 26896.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],ubyte):this (Tier0-FullOpts)
          38 (1.39 % of base) : 25437.dasm - System.Text.Json.Serialization.JsonDictionaryConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnTryRead(byref,System.Type,System.Text.Json.JsonSerializerOptions,byref,byref):ubyte:this (Tier0-FullOpts)
          34 (1.85 % of base) : 19198.dasm - System.Text.Json.Serialization.Converters.ObjectWithParameterizedConstructorConverter`1[System.__Canon]:ReadConstructorArgumentsWithContinuation(byref,byref,System.Text.Json.JsonSerializerOptions):ubyte:this (Tier0-FullOpts)
          31 (2.80 % of base) : 379.dasm - System.Number:TryParseBinaryIntegerStyle[ushort,int](System.ReadOnlySpan`1[ushort],int,System.Globalization.NumberFormatInfo,byref):int (Tier0-FullOpts)
          30 (1.12 % of base) : 33812.dasm - Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderCollectionsOfPrimitives:Read2_CollectionsOfPrimitives(ubyte,ubyte):MicroBenchmarks.Serializers.CollectionsOfPrimitives:this (Tier0-FullOpts)
          30 (6.96 % of base) : 33058.dasm - System.Collections.Concurrent.ConcurrentBag`1+WorkStealingQueue[System.__Canon]:TryLocalPop(byref):ubyte:this (Tier1)
          30 (5.26 % of base) : 26702.dasm - System.Collections.Generic.Dictionary`2[System.ValueTuple`2[System.__Canon,System.__Canon],System.__Canon]:Remove(System.ValueTuple`2[System.__Canon,System.__Canon]):ubyte:this (Tier0-FullOpts)
          30 (0.62 % of base) : 26536.dasm - Utf8Json.Formatters.DictionaryFormatterBase`5[int,System.__Canon,System.__Canon,System.Collections.Generic.Dictionary`2+Enumerator[int,System.__Canon],System.__Canon]:Serialize(byref,System.__Canon,Utf8Json.IJsonFormatterResolver):this (Tier0-FullOpts)

Top method improvements (bytes):
        -167 (-2.97 % of base) : 35911.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (Tier0-FullOpts)
         -48 (-0.51 % of base) : 19139.dasm - System.Text.RegularExpressions.RegexInterpreter:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (Tier0-FullOpts)
         -29 (-3.77 % of base) : 36392.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (Tier0-FullOpts)
         -22 (-1.67 % of base) : 4072.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (Tier0-FullOpts)
         -21 (-2.47 % of base) : 37395.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (Tier0-FullOpts)
         -21 (-3.08 % of base) : 99.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (Tier0-FullOpts)
         -20 (-2.24 % of base) : 32886.dasm - LUDecomp:Run():double:this (Tier0-FullOpts)
         -20 (-1.91 % of base) : 23126.dasm - System.Text.Encoding:GetBytesWithFallback(System.ReadOnlySpan`1[ushort],int,System.Span`1[ubyte],int,System.Text.EncoderNLS,ubyte):int:this (Tier0-FullOpts)
         -19 (-4.19 % of base) : 13748.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (Tier0-FullOpts)
         -15 (-0.79 % of base) : 44823.dasm - System.IO.Enumeration.FileSystemName:MatchPattern(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort],ubyte,ubyte):ubyte (Tier0-FullOpts)
         -14 (-1.60 % of base) : 28134.dasm - System.IO.FileSystem:CreateDirectory(System.String,ubyte[]) (Tier0-FullOpts)
         -13 (-0.93 % of base) : 29730.dasm - AssignJagged:second_assignments(int[][],short[][]) (Tier0-FullOpts)
         -12 (-1.36 % of base) : 10282.dasm - BenchmarksGame.KNucleotide_9:writeFrequencies(System.Collections.Generic.Dictionary`2[long,BenchmarksGame.Wrapper],int,int[],byref):System.String (Tier0-FullOpts)
         -12 (-1.06 % of base) : 39896.dasm - Microsoft.CodeAnalysis.CSharp.Emit.PEModuleBuilder:GetForwardedTypes(System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.CommonAssemblyWellKnownAttributeData`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.Cci.ExportedType]) (Tier0-FullOpts)
         -12 (-1.04 % of base) : 47197.dasm - System.MulticastDelegate:CombineImpl(System.Delegate):System.Delegate:this (Tier0-FullOpts)
         -11 (-1.16 % of base) : 8719.dasm - System.Text.Encoding:GetCharsWithFallback(System.ReadOnlySpan`1[ubyte],int,System.Span`1[ushort],int,System.Text.DecoderNLS,ubyte):int:this (Tier0-FullOpts)
         -10 (-0.11 % of base) : 11968.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier0-FullOpts)
         -10 (-3.05 % of base) : 29911.dasm - System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong]:<TryFoldAlternation>g__TrySplitConcatSubsumption|52_0(System.Text.RegularExpressions.Symbolic.SymbolicRegexBuilder`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],byref):ubyte (Tier0-FullOpts)
          -8 (-1.83 % of base) : 5193.dasm - Jil.Common.ExtensionMethods:GetMethod(System.Type,System.String,int,System.Type[]):System.Reflection.MethodInfo (Tier0-FullOpts)
          -8 (-2.42 % of base) : 14604.dasm - System.Collections.Frozen.KeyAnalyzer:CreateAnalysisResults(System.ReadOnlySpan`1[System.String],ubyte,int,int,int,int,ubyte,System.Collections.Frozen.KeyAnalyzer+GetSpan):System.Collections.Frozen.KeyAnalyzer+AnalysisResults (Tier0-FullOpts)

Top method regressions (percentages):
          10 (200.00 % of base) : 44937.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
          24 (104.35 % of base) : 13796.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
          10 (66.67 % of base) : 35114.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
          12 (48.00 % of base) : 40931.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          10 (40.00 % of base) : 35589.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (Tier1)
          22 (38.60 % of base) : 31959.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (Tier1)
          10 (38.46 % of base) : 6635.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor():this (Tier1)
          12 (37.50 % of base) : 45959.dasm - System.Collections.IterateFor`1[System.__Canon]:ImmutableArray():System.__Canon:this (Tier0-FullOpts)
          10 (35.71 % of base) : 37066.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:AddRange(System.Collections.Immutable.ImmutableArray`1[System.__Canon]):this (Tier1)
          22 (34.92 % of base) : 37462.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,int]:TryGetValue(System.__Canon,byref):ubyte:this (Tier1)
          10 (34.48 % of base) : 9957.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Clear():this (Tier1)
          10 (33.33 % of base) : 27121.dasm - System.Collections.Generic.HashSet`1[System.__Canon]:GetEnumerator():System.Collections.Generic.HashSet`1+Enumerator[System.__Canon]:this (Tier1)
          10 (33.33 % of base) : 6006.dasm - System.Collections.Generic.List`1[System.__Canon]:GetEnumerator():System.Collections.Generic.List`1+Enumerator[System.__Canon]:this (Tier1)
          10 (33.33 % of base) : 28655.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:get_Origin():System.Collections.Immutable.ImmutableDictionary`2+MutationInput[System.__Canon,System.__Canon]:this (Tier1)
          10 (33.33 % of base) : 19531.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.__Canon]:get_Value():System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]:this (Tier1)
          10 (30.30 % of base) : 45510.dasm - System.Collections.Generic.Dictionary`2+KeyCollection[System.__Canon,int]:GetEnumerator():System.Collections.Generic.Dictionary`2+KeyCollection+Enumerator[System.__Canon,int]:this (Tier1)
          10 (29.41 % of base) : 6110.dasm - System.Collections.Generic.Stack`1[System.__Canon]:GetEnumerator():System.Collections.Generic.Stack`1+Enumerator[System.__Canon]:this (Tier1)
          24 (26.67 % of base) : 34784.dasm - System.Collections.Immutable.ImmutableDictionary`2+Comparers[System.__Canon,System.__Canon]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (Tier1)
          12 (26.09 % of base) : 14801.dasm - System.Collections.Generic.Stack`1[System.Collections.Immutable.RefAsValueType`1[System.__Canon]]:Pop():System.Collections.Immutable.RefAsValueType`1[System.__Canon]:this (Tier1)
          12 (25.00 % of base) : 5929.dasm - System.Collections.Generic.Stack`1[System.__Canon]:Pop():System.__Canon:this (Tier1)

Top method improvements (percentages):
         -19 (-4.19 % of base) : 13748.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (Tier0-FullOpts)
         -29 (-3.77 % of base) : 36392.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (Tier0-FullOpts)
         -21 (-3.08 % of base) : 99.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (Tier0-FullOpts)
         -10 (-3.05 % of base) : 29911.dasm - System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong]:<TryFoldAlternation>g__TrySplitConcatSubsumption|52_0(System.Text.RegularExpressions.Symbolic.SymbolicRegexBuilder`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],System.Text.RegularExpressions.Symbolic.SymbolicRegexNode`1[ulong],byref):ubyte (Tier0-FullOpts)
          -6 (-2.99 % of base) : 241.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (Tier1)
        -167 (-2.97 % of base) : 35911.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (Tier0-FullOpts)
         -21 (-2.47 % of base) : 37395.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (Tier0-FullOpts)
          -8 (-2.42 % of base) : 14604.dasm - System.Collections.Frozen.KeyAnalyzer:CreateAnalysisResults(System.ReadOnlySpan`1[System.String],ubyte,int,int,int,int,ubyte,System.Collections.Frozen.KeyAnalyzer+GetSpan):System.Collections.Frozen.KeyAnalyzer+AnalysisResults (Tier0-FullOpts)
          -6 (-2.28 % of base) : 1509.dasm - System.Linq.EnumerableSorter`2[System.__Canon,int]:ComputeKeys(System.__Canon[],int):this (Tier0-FullOpts)
         -20 (-2.24 % of base) : 32886.dasm - LUDecomp:Run():double:this (Tier0-FullOpts)
         -20 (-1.91 % of base) : 23126.dasm - System.Text.Encoding:GetBytesWithFallback(System.ReadOnlySpan`1[ushort],int,System.Span`1[ubyte],int,System.Text.EncoderNLS,ubyte):int:this (Tier0-FullOpts)
          -8 (-1.83 % of base) : 5193.dasm - Jil.Common.ExtensionMethods:GetMethod(System.Type,System.String,int,System.Type[]):System.Reflection.MethodInfo (Tier0-FullOpts)
          -5 (-1.80 % of base) : 10788.dasm - Microsoft.Extensions.Logging.LogValuesFormatter:FindBraceIndex(System.String,ushort,int,int):int (Tier0-FullOpts)
          -5 (-1.79 % of base) : 47297.dasm - NumericSortJagged:LoadNumArrayWithRand(int[][],int,int) (Tier0-FullOpts)
          -8 (-1.78 % of base) : 17146.dasm - System.Collections.Frozen.KeysAndValuesFrozenDictionary`2[System.Collections.NotKnownComparable,System.Collections.NotKnownComparable]:.ctor(System.Collections.Generic.Dictionary`2[System.Collections.NotKnownComparable,System.Collections.NotKnownComparable],ubyte):this (Tier0-FullOpts)
          -5 (-1.73 % of base) : 33536.dasm - Benchstone.BenchF.LLoops:AllocArray[double](int,int,int):double[][][] (Tier0-FullOpts)
         -22 (-1.67 % of base) : 4072.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (Tier0-FullOpts)
          -2 (-1.67 % of base) : 10775.dasm - System.Diagnostics.Tracing.EventSource+EventMetadata:<get_ParameterTypes>g__GetParameterTypes|22_0(System.Reflection.ParameterInfo[]):System.Type[] (Tier0-FullOpts)
          -2 (-1.67 % of base) : 19663.dasm - System.Diagnostics.Tracing.TraceLoggingEventTypes:MakeParamNameArray(System.Reflection.ParameterInfo[]):System.String[] (Tier0-FullOpts)
         -14 (-1.60 % of base) : 28134.dasm - System.IO.FileSystem:CreateDirectory(System.String,ubyte[]) (Tier0-FullOpts)

coreclr_tests.run.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 308728365 (overridden on cmd)
Total bytes of diff: 308719788 (overridden on cmd)
Total bytes of delta: -8577 (-0.00 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         271 : 336825.dasm (11.43 % of base)
         187 : 140816.dasm (11.81 % of base)
         178 : 436239.dasm (11.65 % of base)
         117 : 371109.dasm (6.46 % of base)
         112 : 270272.dasm (6.84 % of base)
         112 : 507150.dasm (6.84 % of base)
         109 : 140854.dasm (7.60 % of base)
         109 : 140911.dasm (7.60 % of base)
         109 : 436269.dasm (7.88 % of base)
         109 : 436314.dasm (7.88 % of base)
          98 : 223570.dasm (1.53 % of base)
          98 : 476001.dasm (1.52 % of base)
          79 : 220415.dasm (2.48 % of base)
          78 : 44861.dasm (1.90 % of base)
          75 : 229724.dasm (5.36 % of base)
          75 : 478319.dasm (5.36 % of base)
          70 : 234020.dasm (2.06 % of base)
          70 : 481006.dasm (2.06 % of base)
          68 : 370026.dasm (2.44 % of base)
          64 : 223800.dasm (5.85 % of base)

Top file improvements (bytes):
        -116 : 225325.dasm (-2.08 % of base)
         -90 : 162147.dasm (-7.23 % of base)
         -90 : 166271.dasm (-7.23 % of base)
         -90 : 166364.dasm (-7.23 % of base)
         -90 : 162223.dasm (-7.23 % of base)
         -90 : 166345.dasm (-7.23 % of base)
         -90 : 162242.dasm (-7.23 % of base)
         -90 : 166288.dasm (-7.23 % of base)
         -90 : 162166.dasm (-7.23 % of base)
         -88 : 447278.dasm (-7.07 % of base)
         -88 : 447293.dasm (-7.07 % of base)
         -88 : 450252.dasm (-7.07 % of base)
         -88 : 450267.dasm (-7.07 % of base)
         -88 : 447338.dasm (-7.07 % of base)
         -88 : 447353.dasm (-7.07 % of base)
         -88 : 450192.dasm (-7.07 % of base)
         -88 : 450207.dasm (-7.07 % of base)
         -85 : 184897.dasm (-6.32 % of base)
         -85 : 184878.dasm (-6.32 % of base)
         -83 : 182845.dasm (-6.05 % of base)

81 total files with Code Size differences (35 improved, 46 regressed), 20 unchanged.

Top method regressions (bytes):
         271 (11.43 % of base) : 336825.dasm - System.IO.Enumeration.FileSystemName:MatchPattern(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort],ubyte,ubyte):ubyte (Instrumented Tier1)
         187 (11.81 % of base) : 140816.dasm - JIT.HardwareIntrinsics.X86._Avx512F.ImmBinaryOpTest__Shuffle4x128Double2:ValidateResult(double[],double[],double[],System.String):this (Tier0-FullOpts)
         178 (11.65 % of base) : 436239.dasm - JIT.HardwareIntrinsics.X86._Avx512F.ImmBinaryOpTest__Shuffle4x128Double2:ValidateResult(double[],double[],double[],System.String):this (FullOpts)
         117 (6.46 % of base) : 371109.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[ILCompiler.DependencyAnalysis.NodeFactory+DynamicHelperCellKey,System.__Canon]:GetOrAdd(ILCompiler.DependencyAnalysis.NodeFactory+DynamicHelperCellKey,System.Func`2[ILCompiler.DependencyAnalysis.NodeFactory+DynamicHelperCellKey,System.__Canon]):System.__Canon:this (Tier1)
         112 (6.84 % of base) : 507150.dasm - JitTest_array1_refany_il.Test:Main():int (FullOpts)
         112 (6.84 % of base) : 270272.dasm - JitTest_array1_refany_il.Test:Main():int (Tier0-FullOpts)
         109 (7.88 % of base) : 436269.dasm - JIT.HardwareIntrinsics.X86._Avx512F.ImmBinaryOpTest__Shuffle4x128Int642:ValidateResult(long[],long[],long[],System.String):this (FullOpts)
         109 (7.60 % of base) : 140854.dasm - JIT.HardwareIntrinsics.X86._Avx512F.ImmBinaryOpTest__Shuffle4x128Int642:ValidateResult(long[],long[],long[],System.String):this (Tier0-FullOpts)
         109 (7.88 % of base) : 436314.dasm - JIT.HardwareIntrinsics.X86._Avx512F.ImmBinaryOpTest__Shuffle4x128UInt642:ValidateResult(ulong[],ulong[],ulong[],System.String):this (FullOpts)
         109 (7.60 % of base) : 140911.dasm - JIT.HardwareIntrinsics.X86._Avx512F.ImmBinaryOpTest__Shuffle4x128UInt642:ValidateResult(ulong[],ulong[],ulong[],System.String):this (Tier0-FullOpts)
          98 (1.52 % of base) : 476001.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
          98 (1.53 % of base) : 223570.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (Tier0-FullOpts)
          79 (2.48 % of base) : 220415.dasm - System.Text.Encoding:GetBytesWithFallback(System.ReadOnlySpan`1[ushort],int,System.Span`1[ubyte],int,System.Text.EncoderNLS,ubyte):int:this (Tier1)
          78 (1.90 % of base) : 44861.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (Tier1)
          75 (5.36 % of base) : 478319.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
          75 (5.36 % of base) : 229724.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (Tier0-FullOpts)
          70 (2.06 % of base) : 481006.dasm - Benchstone.BenchI.MulMatrix:Inner(int[][],int[][],int[][]) (FullOpts)
          70 (2.06 % of base) : 234020.dasm - Benchstone.BenchI.MulMatrix:Inner(int[][],int[][],int[][]) (Tier0-FullOpts)
          68 (2.44 % of base) : 370026.dasm - System.Collections.Generic.ArraySortHelper`1[System.__Canon]:IntroSort(System.Span`1[System.__Canon],int,System.Comparison`1[System.__Canon]) (Tier1)
          64 (5.85 % of base) : 223800.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (Tier0-FullOpts)

Top method improvements (bytes):
        -116 (-2.08 % of base) : 225325.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162147.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162166.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162223.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt322:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162242.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt324:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166271.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166288.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166345.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendUInt322:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166364.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendUInt324:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -88 (-7.07 % of base) : 447278.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 447293.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 447338.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt322:ValidateResult(uint[],uint[],uint[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 447353.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt324:ValidateResult(uint[],uint[],uint[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 450192.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 450207.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 450252.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendUInt322:ValidateResult(uint[],uint[],uint[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 450267.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendUInt324:ValidateResult(uint[],uint[],uint[],System.String):this (FullOpts)
         -85 (-6.32 % of base) : 184878.dasm - JIT.HardwareIntrinsics.X86._Sse2.ImmBinaryOpTest__ShuffleDouble0:ValidateResult(double[],double[],double[],System.String):this (Tier0-FullOpts)
         -85 (-6.32 % of base) : 184897.dasm - JIT.HardwareIntrinsics.X86._Sse2.ImmBinaryOpTest__ShuffleDouble1:ValidateResult(double[],double[],double[],System.String):this (Tier0-FullOpts)
         -83 (-6.05 % of base) : 182845.dasm - JIT.HardwareIntrinsics.X86._Sse2.SimpleBinaryOpTest__CompareScalarUnorderedDouble:ValidateResult(double[],double[],double[],System.String):this (Tier0-FullOpts)

Top method regressions (percentages):
          31 (516.67 % of base) : 520794.dasm - ILGEN_0x2dda4eb5:Method_0xa084659a():ushort (FullOpts)
          14 (140.00 % of base) : 570903.dasm - HelperILDllTests:CallGenMethodFromGenericType[System.__Canon]():System.String (FullOpts)
          14 (140.00 % of base) : 570897.dasm - HelperILDllTests:CallMethodFromGenericType[System.__Canon]():System.String (FullOpts)
          14 (140.00 % of base) : 219134.dasm - Program:Test[System.__Canon]():int (FullOpts)
          10 (125.00 % of base) : 500111.dasm - Caller`4[MyStruct`2[System.__Canon,System.__Canon],System.__Canon,System.__Canon,System.__Canon]:CallGenInstMethodU(System.__Canon):System.String:this (FullOpts)
          10 (125.00 % of base) : 500112.dasm - Caller`4[MyStruct`2[System.__Canon,System.__Canon],System.__Canon,System.__Canon,System.__Canon]:CallVirtMethodU(System.__Canon):System.String:this (FullOpts)
          24 (104.35 % of base) : 476024.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,int]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,int]]):this (FullOpts)
          24 (104.35 % of base) : 476357.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          21 (72.41 % of base) : 520604.dasm - ILGEN_0x4601be46:Method_0x9c86375f(ulong,ubyte):int (FullOpts)
          10 (66.67 % of base) : 571865.dasm - Microsoft.Build.Collections.PropertyDictionary`1[System.__Canon]:Contains(System.String):ubyte:this (FullOpts)
          10 (66.67 % of base) : 571793.dasm - System.Collections.Generic.Dictionary`2+ValueCollection[int,System.__Canon]:System.Collections.IEnumerable.GetEnumerator():System.Collections.IEnumerator:this (FullOpts)
          10 (66.67 % of base) : 476017.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
          10 (66.67 % of base) : 225064.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (Tier1)
          10 (52.63 % of base) : 511832.dasm - Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[System.__Canon]:GetEnumerator():Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1+Enumerator[System.__Canon]:this (FullOpts)
          10 (50.00 % of base) : 517422.dasm - System.Xml.Xsl.ListBase`1[System.__Canon]:GetEnumerator():System.Xml.Xsl.IListEnumerator`1[System.__Canon]:this (FullOpts)
          10 (47.62 % of base) : 388791.dasm - Microsoft.FSharp.Collections.FSharpList`1[System.__Canon]:get_Length():int:this (FullOpts)
          12 (44.44 % of base) : 277464.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          12 (44.44 % of base) : 476126.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
          10 (40.00 % of base) : 476427.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,uint]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (FullOpts)
          22 (38.60 % of base) : 477406.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (FullOpts)

Top method improvements (percentages):
         -66 (-10.23 % of base) : 369446.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -59 (-9.46 % of base) : 69407.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -70 (-9.30 % of base) : 504955.dasm - JitTest_lcsbas_lcs_cs.LCS:findLCS(int[,,,],int[,,,],ushort[][],int[]) (FullOpts)
         -70 (-9.30 % of base) : 266639.dasm - JitTest_lcsbas_lcs_cs.LCS:findLCS(int[,,,],int[,,,],ushort[][],int[]) (Tier0-FullOpts)
         -69 (-8.58 % of base) : 504977.dasm - JitTest_lcs_lcs_cs.LCS:findLCS(int[,,,],int[,,,],ushort[][],int[]) (FullOpts)
         -69 (-8.58 % of base) : 266682.dasm - JitTest_lcs_lcs_cs.LCS:findLCS(int[,,,],int[,,,],ushort[][],int[]) (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162147.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162166.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162223.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt322:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 162242.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt324:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166271.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166288.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166345.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendUInt322:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -90 (-7.23 % of base) : 166364.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendUInt324:ValidateResult(uint[],uint[],uint[],System.String):this (Tier0-FullOpts)
         -88 (-7.07 % of base) : 447278.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 447293.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 447338.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt322:ValidateResult(uint[],uint[],uint[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 447353.dasm - JIT.HardwareIntrinsics.X86._Avx2.ImmBinaryOpTest__BlendUInt324:ValidateResult(uint[],uint[],uint[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 450192.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt322:ValidateResult(int[],int[],int[],System.String):this (FullOpts)
         -88 (-7.07 % of base) : 450207.dasm - JIT.HardwareIntrinsics.X86._Avx2_Vector128.ImmBinaryOpTest__BlendInt324:ValidateResult(int[],int[],int[],System.String):this (FullOpts)

libraries.crossgen2.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 31654820 (overridden on cmd)
Total bytes of diff: 31653784 (overridden on cmd)
Total bytes of delta: -1036 (-0.00 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         197 : 30605.dasm (2.41 % of base)
         149 : 148608.dasm (8.25 % of base)
         101 : 49938.dasm (6.14 % of base)
          88 : 174124.dasm (9.06 % of base)
          49 : 205867.dasm (2.52 % of base)
          42 : 165272.dasm (7.81 % of base)
          39 : 64665.dasm (0.07 % of base)
          32 : 147707.dasm (4.93 % of base)
          29 : 17059.dasm (0.86 % of base)
          29 : 228713.dasm (1.06 % of base)
          29 : 240938.dasm (1.07 % of base)
          29 : 62862.dasm (1.07 % of base)
          27 : 21018.dasm (5.01 % of base)
          26 : 88803.dasm (4.34 % of base)
          25 : 164849.dasm (2.21 % of base)
          25 : 85707.dasm (2.05 % of base)
          25 : 120048.dasm (2.05 % of base)
          23 : 133109.dasm (2.86 % of base)
          21 : 120621.dasm (2.26 % of base)
          21 : 22879.dasm (2.00 % of base)

Top file improvements (bytes):
        -312 : 238775.dasm (-1.40 % of base)
         -63 : 228250.dasm (-1.17 % of base)
         -56 : 58082.dasm (-2.53 % of base)
         -50 : 166062.dasm (-1.32 % of base)
         -46 : 239494.dasm (-7.15 % of base)
         -40 : 17968.dasm (-1.97 % of base)
         -29 : 239719.dasm (-1.90 % of base)
         -28 : 239790.dasm (-0.90 % of base)
         -26 : 192707.dasm (-3.06 % of base)
         -26 : 59424.dasm (-3.63 % of base)
         -24 : 146024.dasm (-0.97 % of base)
         -23 : 153518.dasm (-2.99 % of base)
         -23 : 46777.dasm (-3.05 % of base)
         -23 : 228289.dasm (-1.05 % of base)
         -22 : 165804.dasm (-3.49 % of base)
         -21 : 239545.dasm (-3.32 % of base)
         -21 : 175827.dasm (-2.28 % of base)
         -20 : 59273.dasm (-1.55 % of base)
         -19 : 225671.dasm (-4.70 % of base)
         -18 : 25791.dasm (-3.45 % of base)

80 total files with Code Size differences (43 improved, 37 regressed), 20 unchanged.

Top method regressions (bytes):
         197 (2.41 % of base) : 30605.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:VisitTupleDeconstructionArguments(Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+DeconstructionVariable],System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`2[Microsoft.CodeAnalysis.CSharp.BoundValuePlaceholder,Microsoft.CodeAnalysis.CSharp.BoundExpression]],Microsoft.CodeAnalysis.CSharp.BoundExpression,System.Nullable`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithState]):this (FullOpts)
         149 (8.25 % of base) : 148608.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceAttributeData:GetTargetAttributeSignatureIndex(Microsoft.CodeAnalysis.VisualBasic.Symbol,Microsoft.CodeAnalysis.AttributeDescription):int:this (FullOpts)
         101 (6.14 % of base) : 49938.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol:CheckMembers(Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceSymbol,System.Collections.Generic.Dictionary`2[System.ReadOnlyMemory`1[ushort],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol]],Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag) (FullOpts)
          88 (9.06 % of base) : 174124.dasm - System.Net.Http.Headers.AltSvcHeaderParser:GetParsedValueLength(System.String,int,System.Object,byref):int:this (FullOpts)
          49 (2.52 % of base) : 205867.dasm - System.Management.ManagementClassGenerator:GenerateSystemPropertiesClass():System.CodeDom.CodeTypeDeclaration:this (FullOpts)
          42 (7.81 % of base) : 165272.dasm - Microsoft.CodeAnalysis.VisualBasic.LocalRewriter:GenerateObjectCloneIfNeeded(Microsoft.CodeAnalysis.VisualBasic.BoundExpression,Microsoft.CodeAnalysis.VisualBasic.BoundExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts)
          39 (0.07 % of base) : 64665.dasm - Microsoft.FSharp.Linq.RuntimeHelpers.LeafExpressionConverter:ConvExprToLinqInContext(Microsoft.FSharp.Linq.RuntimeHelpers.LeafExpressionConverter+ConvEnv,Microsoft.FSharp.Quotations.FSharpExpr):System.Linq.Expressions.Expression (FullOpts)
          32 (4.93 % of base) : 147707.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeDescriptor:SubstituteTypeParametersIfNeeded(Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSubstitution,byref):ubyte:this (FullOpts)
          29 (1.06 % of base) : 228713.dasm - System.Data.Common.DbConnectionOptions:GetKeyValuePair(System.String,int,System.Text.StringBuilder,ubyte,byref,byref):int (FullOpts)
          29 (1.07 % of base) : 240938.dasm - System.Data.Common.DbConnectionOptions:GetKeyValuePair(System.String,int,System.Text.StringBuilder,ubyte,byref,byref):int (FullOpts)
          29 (1.07 % of base) : 62862.dasm - System.Data.Common.DbConnectionOptions:GetKeyValuePair(System.String,int,System.Text.StringBuilder,ubyte,byref,byref):int (FullOpts)
          29 (0.86 % of base) : 17059.dasm - System.Threading.Lock:TryEnterSlow(int,System.Threading.Lock+ThreadId):System.Threading.Lock+ThreadId:this (FullOpts)
          27 (5.01 % of base) : 21018.dasm - System.Globalization.UmAlQuraCalendar:ConvertGregorianToHijri(System.DateTime,byref,byref,byref) (FullOpts)
          26 (4.34 % of base) : 88803.dasm - Diagnostics.Tracing.StackSources.FilterStackSource:FindGroupNameFromFrameName(System.String,byref):System.String:this (FullOpts)
          25 (2.05 % of base) : 85707.dasm - Microsoft.CodeAnalysis.NodeStateTable`1+Builder[System.__Canon]:TryModifyEntries(System.Collections.Immutable.ImmutableArray`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],System.TimeSpan,System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`2[Microsoft.CodeAnalysis.IncrementalGeneratorRunStep,int]],int):ubyte:this (FullOpts)
          25 (2.05 % of base) : 120048.dasm - Microsoft.CodeAnalysis.NodeStateTable`1+Builder[System.__Canon]:TryModifyEntries(System.Collections.Immutable.ImmutableArray`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],System.TimeSpan,System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`2[Microsoft.CodeAnalysis.IncrementalGeneratorRunStep,int]],int):ubyte:this (FullOpts)
          25 (2.21 % of base) : 164849.dasm - Microsoft.CodeAnalysis.VisualBasic.ExpressionLambdaRewriter:VisitObjectInitializer(Microsoft.CodeAnalysis.VisualBasic.BoundObjectInitializerExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts)
          23 (2.86 % of base) : 133109.dasm - System.Xml.Serialization.ReflectionXmlSerializationWriter:WriteElements(System.Object,System.Xml.Serialization.ElementAccessor[],System.Xml.Serialization.TextAccessor,System.Xml.Serialization.ChoiceIdentifierAccessor,ubyte,ubyte):this (FullOpts)
          21 (2.26 % of base) : 120621.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+AssemblyData[System.__Canon,System.__Canon]],int):ubyte:this (FullOpts)
          21 (2.00 % of base) : 22879.dasm - System.Diagnostics.Tracing.ManifestBuilder:TranslateToManifestConvention(System.String,System.String):System.String:this (FullOpts)

Top method improvements (bytes):
        -312 (-1.40 % of base) : 238775.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (FullOpts)
         -63 (-1.17 % of base) : 228250.dasm - System.Data.OleDb.OleDbCommandBuilder:DeriveParametersFromStoredProcedure(System.Data.OleDb.OleDbConnection,System.Data.OleDb.OleDbCommand):System.Data.OleDb.OleDbParameter[] (FullOpts)
         -56 (-2.53 % of base) : 58082.dasm - Microsoft.CodeAnalysis.CSharp.OverloadResolutionResult`1[System.__Canon]:ReportDiagnostics[System.__Canon](Microsoft.CodeAnalysis.CSharp.Binder,Microsoft.CodeAnalysis.Location,Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag,System.String,Microsoft.CodeAnalysis.CSharp.BoundExpression,Microsoft.CodeAnalysis.SyntaxNode,Microsoft.CodeAnalysis.CSharp.AnalyzedArguments,System.Collections.Immutable.ImmutableArray`1[System.__Canon],Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.CSharpSyntaxNode,ubyte,System.Nullable`1[ubyte],Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol):this (FullOpts)
         -50 (-1.32 % of base) : 166062.dasm - Microsoft.CodeAnalysis.VisualBasic.OverloadResolution:MatchArguments(Microsoft.CodeAnalysis.VisualBasic.BoundMethodOrPropertyGroup,byref,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.BoundExpression],System.Collections.Immutable.ImmutableArray`1[System.String],Microsoft.CodeAnalysis.VisualBasic.Binder,byref,Microsoft.CodeAnalysis.SyntaxNode,ubyte,byref) (FullOpts)
         -46 (-7.15 % of base) : 239494.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:MethodsDifferOnlyByReturnType(System.Reflection.MethodBase,System.Reflection.MethodBase):ubyte:this (FullOpts)
         -40 (-1.97 % of base) : 17968.dasm - System.IO.Enumeration.FileSystemName:MatchPattern(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort],ubyte,ubyte):ubyte (FullOpts)
         -29 (-1.90 % of base) : 239719.dasm - Microsoft.VisualBasic.CompilerServices.LikeOperator:MatchAsterisk(System.String,int,int,Microsoft.VisualBasic.CompilerServices.LikeOperator+LigatureInfo[],System.String,Microsoft.VisualBasic.CompilerServices.LikeOperator+LigatureInfo[],Microsoft.VisualBasic.CompilerServices.LikeOperator+PatternGroup[],int,byref,byref,System.Globalization.CompareInfo,int) (FullOpts)
         -28 (-0.90 % of base) : 239790.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:GetMethodsByName(System.Type,System.Reflection.IReflect,System.String,int):System.Reflection.MethodBase[]:this (FullOpts)
         -26 (-3.63 % of base) : 59424.dasm - System.Data.UniqueConstraint:Clone(System.Data.DataSet,ubyte):System.Data.Constraint:this (FullOpts)
         -26 (-3.06 % of base) : 192707.dasm - System.Security.Cryptography.Xml.SymmetricKeyWrap:AESKeyWrapEncrypt(ubyte[],ubyte[]):ubyte[] (FullOpts)
         -24 (-0.97 % of base) : 146024.dasm - Microsoft.CodeAnalysis.VisualBasic.Binder:PassArguments(Microsoft.CodeAnalysis.SyntaxNode,byref,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.BoundExpression],Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag):System.ValueTuple`2[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.BoundExpression],Microsoft.CodeAnalysis.BitVector]:this (FullOpts)
         -23 (-3.05 % of base) : 46777.dasm - Microsoft.CodeAnalysis.CSharp.Emit.PEModuleBuilder:GetForwardedTypes(System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.CommonAssemblyWellKnownAttributeData`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.Cci.ExportedType]) (FullOpts)
         -23 (-2.99 % of base) : 153518.dasm - Microsoft.CodeAnalysis.VisualBasic.Emit.PEModuleBuilder:GetForwardedTypes(System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.VisualBasic.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.CommonAssemblyWellKnownAttributeData`1[Microsoft.CodeAnalysis.VisualBasic.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.Cci.ExportedType]) (FullOpts)
         -23 (-1.05 % of base) : 228289.dasm - System.Data.OleDb.OleDbMetaDataFactory:.ctor(System.IO.Stream,System.String,System.String,System.Data.OleDb.SchemaSupport[]):this (FullOpts)
         -22 (-3.49 % of base) : 165804.dasm - Microsoft.CodeAnalysis.VisualBasic.AccessCheck:InheritsFromOrImplementsIgnoringConstruction(Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSymbol,Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSymbol,Microsoft.CodeAnalysis.VisualBasic.BasesBeingResolved,byref):ubyte (FullOpts)
         -21 (-3.32 % of base) : 239545.dasm - Microsoft.VisualBasic.FileIO.TextFieldParser:ReadNextLine(byref,Microsoft.VisualBasic.FileIO.TextFieldParser+ChangeBufferFunction):System.String:this (FullOpts)
         -21 (-2.28 % of base) : 175827.dasm - System.Diagnostics.EventLogInternal:InternalWriteEvent(uint,ushort,int,System.String[],ubyte[],System.String):this (FullOpts)
         -20 (-1.55 % of base) : 59273.dasm - System.Data.DataView:ToTable(System.String,ubyte,System.String[]):System.Data.DataTable:this (FullOpts)
         -19 (-4.70 % of base) : 225671.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -18 (-3.45 % of base) : 25791.dasm - Microsoft.CodeAnalysis.CSharp.AccessCheck:InheritsFromOrImplementsIgnoringConstruction(Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.CSharpCompilation,byref,Roslyn.Utilities.ConsList`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol]):ubyte (FullOpts)

Top method regressions (percentages):
          88 (9.06 % of base) : 174124.dasm - System.Net.Http.Headers.AltSvcHeaderParser:GetParsedValueLength(System.String,int,System.Object,byref):int:this (FullOpts)
           6 (8.82 % of base) : 240590.dasm - System.Data.Odbc.OdbcCommand:ExecuteReaderObject(int,System.String,ubyte):System.Data.Odbc.OdbcDataReader:this (FullOpts)
         149 (8.25 % of base) : 148608.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceAttributeData:GetTargetAttributeSignatureIndex(Microsoft.CodeAnalysis.VisualBasic.Symbol,Microsoft.CodeAnalysis.AttributeDescription):int:this (FullOpts)
          42 (7.81 % of base) : 165272.dasm - Microsoft.CodeAnalysis.VisualBasic.LocalRewriter:GenerateObjectCloneIfNeeded(Microsoft.CodeAnalysis.VisualBasic.BoundExpression,Microsoft.CodeAnalysis.VisualBasic.BoundExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts)
          18 (7.32 % of base) : 16011.dasm - System.String:TrimWhiteSpaceHelper(int):System.String:this (FullOpts)
         101 (6.14 % of base) : 49938.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol:CheckMembers(Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceSymbol,System.Collections.Generic.Dictionary`2[System.ReadOnlyMemory`1[ushort],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol]],Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag) (FullOpts)
          10 (5.95 % of base) : 136918.dasm - System.Security.Cryptography.RSA:WritePkcs1PrivateKey():System.Formats.Asn1.AsnWriter:this (FullOpts)
          27 (5.01 % of base) : 21018.dasm - System.Globalization.UmAlQuraCalendar:ConvertGregorianToHijri(System.DateTime,byref,byref,byref) (FullOpts)
          32 (4.93 % of base) : 147707.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeDescriptor:SubstituteTypeParametersIfNeeded(Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSubstitution,byref):ubyte:this (FullOpts)
          26 (4.34 % of base) : 88803.dasm - Diagnostics.Tracing.StackSources.FilterStackSource:FindGroupNameFromFrameName(System.String,byref):System.String:this (FullOpts)
          10 (4.29 % of base) : 135135.dasm - System.Security.Cryptography.RSA:ImportEncryptedPkcs8PrivateKey(System.ReadOnlySpan`1[ubyte],System.ReadOnlySpan`1[ubyte],byref):this (FullOpts)
          10 (4.29 % of base) : 135136.dasm - System.Security.Cryptography.RSA:ImportEncryptedPkcs8PrivateKey(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ubyte],byref):this (FullOpts)
          12 (4.17 % of base) : 181985.dasm - Microsoft.Win32.SystemEvents:WindowThreadProc():this (FullOpts)
           2 (3.92 % of base) : 30854.dasm - Microsoft.CodeAnalysis.CSharp.ReadWriteWalker:GetRangeVariableUnderlyingParameter(Microsoft.CodeAnalysis.CSharp.BoundNode):Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol (FullOpts)
           7 (3.78 % of base) : 194977.dasm - System.Net.PathList+PathListComparer:System.Collections.IComparer.Compare(System.Object,System.Object):int:this (FullOpts)
          10 (3.73 % of base) : 145273.dasm - System.Text.InternalDecoderBestFitFallbackBuffer:TryBestFit(ubyte[]):ushort:this (FullOpts)
           8 (3.60 % of base) : 48193.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.ConstructedNamedTypeSymbol:TypeParametersMatchTypeArguments(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeParameterSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations]):ubyte (FullOpts)
          13 (3.32 % of base) : 133436.dasm - System.Xml.Xsl.Xslt.XslAstRewriter:CheckNodeCost(System.Xml.Xsl.Xslt.XslNode):int:this (FullOpts)
          13 (3.26 % of base) : 131244.dasm - System.Xml.XmlTextReaderImpl:ParseElementAsync():System.Threading.Tasks.Task:this (FullOpts)
           6 (3.00 % of base) : 196604.dasm - System.DefaultBinder:FindMostDerivedNewSlotMeth(System.Reflection.MethodBase[],int):System.Reflection.MethodBase (FullOpts)

Top method improvements (percentages):
         -46 (-7.15 % of base) : 239494.dasm - Microsoft.VisualBasic.CompilerServices.VBBinder:MethodsDifferOnlyByReturnType(System.Reflection.MethodBase,System.Reflection.MethodBase):ubyte:this (FullOpts)
         -17 (-5.04 % of base) : 149540.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceMemberContainerTypeSymbol:IsConflictingOperatorOverloading(Microsoft.CodeAnalysis.VisualBasic.Symbols.MethodSymbol,int,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.Symbol],int,Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag):ubyte:this (FullOpts)
         -19 (-4.70 % of base) : 225671.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -11 (-4.49 % of base) : 147704.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeDescriptor:Equals(Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeDescriptor,int):ubyte:this (FullOpts)
          -8 (-4.26 % of base) : 187834.dasm - Microsoft.CSharp.RuntimeBinder.BinderHelper:CompareArgInfos(Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo[],Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo[]):ubyte (FullOpts)
         -26 (-3.63 % of base) : 59424.dasm - System.Data.UniqueConstraint:Clone(System.Data.DataSet,ubyte):System.Data.Constraint:this (FullOpts)
         -22 (-3.49 % of base) : 165804.dasm - Microsoft.CodeAnalysis.VisualBasic.AccessCheck:InheritsFromOrImplementsIgnoringConstruction(Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSymbol,Microsoft.CodeAnalysis.VisualBasic.Symbols.TypeSymbol,Microsoft.CodeAnalysis.VisualBasic.BasesBeingResolved,byref):ubyte (FullOpts)
         -11 (-3.47 % of base) : 26382.dasm - Microsoft.CodeAnalysis.CSharp.MethodTypeInferrer:MakeOutputTypeInferences(Microsoft.CodeAnalysis.CSharp.Binder,Microsoft.CodeAnalysis.CSharp.BoundTupleLiteral,Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations,byref):this (FullOpts)
         -18 (-3.45 % of base) : 25791.dasm - Microsoft.CodeAnalysis.CSharp.AccessCheck:InheritsFromOrImplementsIgnoringConstruction(Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.CSharpCompilation,byref,Roslyn.Utilities.ConsList`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol]):ubyte (FullOpts)
          -8 (-3.42 % of base) : 66135.dasm - Microsoft.FSharp.Reflection.Impl:getInstancePropertyInfos(System.Type,System.String[],int):System.Reflection.PropertyInfo[] (FullOpts)
         -17 (-3.33 % of base) : 88997.dasm - Microsoft.Diagnostics.Utilities.PathUtil:PathRelativeTo(System.String,System.String):System.String (FullOpts)
         -21 (-3.32 % of base) : 239545.dasm - Microsoft.VisualBasic.FileIO.TextFieldParser:ReadNextLine(byref,Microsoft.VisualBasic.FileIO.TextFieldParser+ChangeBufferFunction):System.String:this (FullOpts)
          -8 (-3.28 % of base) : 15987.dasm - System.RuntimeType+RuntimeTypeCache:GetDefaultMemberName():System.String:this (FullOpts)
         -11 (-3.14 % of base) : 130411.dasm - System.Xml.Xsl.Runtime.XmlQueryRuntime:ParseTagName(System.String,int,byref,byref,byref):this (FullOpts)
         -26 (-3.06 % of base) : 192707.dasm - System.Security.Cryptography.Xml.SymmetricKeyWrap:AESKeyWrapEncrypt(ubyte[],ubyte[]):ubyte[] (FullOpts)
         -23 (-3.05 % of base) : 46777.dasm - Microsoft.CodeAnalysis.CSharp.Emit.PEModuleBuilder:GetForwardedTypes(System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.CommonAssemblyWellKnownAttributeData`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.Cci.ExportedType]) (FullOpts)
          -8 (-3.05 % of base) : 227030.dasm - System.Collections.Frozen.KeyAnalyzer:CreateAnalysisResults(System.ReadOnlySpan`1[System.String],ubyte,int,int,int,int,ubyte,System.Collections.Frozen.KeyAnalyzer+GetSpan):System.Collections.Frozen.KeyAnalyzer+AnalysisResults (FullOpts)
         -23 (-2.99 % of base) : 153518.dasm - Microsoft.CodeAnalysis.VisualBasic.Emit.PEModuleBuilder:GetForwardedTypes(System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.VisualBasic.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.CommonAssemblyWellKnownAttributeData`1[Microsoft.CodeAnalysis.VisualBasic.Symbols.NamedTypeSymbol],Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.Cci.ExportedType]) (FullOpts)
          -8 (-2.92 % of base) : 146862.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeManager:CheckAndReportMissingSymbols(Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeManager+AnonymousTypeOrDelegateTemplateSymbol],Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag):ubyte:this (FullOpts)
         -12 (-2.88 % of base) : 196381.dasm - System.DefaultBinder:ExactPropertyBinding(System.Reflection.PropertyInfo[],System.Type,System.Type[]):System.Reflection.PropertyInfo (FullOpts)

libraries.pmi.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 47961722 (overridden on cmd)
Total bytes of diff: 47973354 (overridden on cmd)
Total bytes of delta: 11632 (0.02 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         366 : 298762.dasm (22.80 % of base)
         262 : 298763.dasm (20.60 % of base)
         120 : 100157.dasm (4.89 % of base)
         102 : 267548.dasm (8.61 % of base)
          78 : 210128.dasm (4.90 % of base)
          75 : 257331.dasm (8.53 % of base)
          72 : 31872.dasm (4.56 % of base)
          66 : 230141.dasm (5.88 % of base)
          64 : 120250.dasm (5.85 % of base)
          64 : 167951.dasm (5.85 % of base)
          63 : 230142.dasm (6.46 % of base)
          60 : 261083.dasm (3.42 % of base)
          60 : 262384.dasm (2.55 % of base)
          57 : 230134.dasm (16.10 % of base)
          56 : 297549.dasm (6.27 % of base)
          56 : 228104.dasm (6.84 % of base)
          54 : 112295.dasm (1.77 % of base)
          54 : 159978.dasm (3.83 % of base)
          54 : 227933.dasm (8.10 % of base)
          53 : 82427.dasm (4.21 % of base)

Top file improvements (bytes):
         -90 : 113157.dasm (-3.42 % of base)
         -90 : 160955.dasm (-3.42 % of base)
         -80 : 58614.dasm (-1.44 % of base)
         -72 : 60030.dasm (-3.38 % of base)
         -57 : 82793.dasm (-2.37 % of base)
         -54 : 113159.dasm (-6.14 % of base)
         -54 : 66187.dasm (-2.11 % of base)
         -54 : 160957.dasm (-6.14 % of base)
         -49 : 236586.dasm (-1.75 % of base)
         -49 : 218596.dasm (-1.75 % of base)
         -48 : 117.dasm (-0.50 % of base)
         -43 : 30024.dasm (-0.69 % of base)
         -39 : 43999.dasm (-3.60 % of base)
         -35 : 105623.dasm (-1.58 % of base)
         -34 : 49566.dasm (-5.55 % of base)
         -32 : 25927.dasm (-7.17 % of base)
         -31 : 122317.dasm (-1.83 % of base)
         -31 : 170022.dasm (-1.83 % of base)
         -30 : 59799.dasm (-3.48 % of base)
         -27 : 36779.dasm (-0.57 % of base)

87 total files with Code Size differences (38 improved, 49 regressed), 20 unchanged.

Top method regressions (bytes):
         366 (22.80 % of base) : 298762.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore[System.__Canon]:RetrievePostponedItemsNonGreedy(ubyte):this (FullOpts)
         262 (20.60 % of base) : 298763.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore[System.__Canon]:RetrievePostponedItemsGreedyBounded(ubyte):this (FullOpts)
         120 (4.89 % of base) : 100157.dasm - Microsoft.CodeAnalysis.VisualBasic.ExpressionLambdaRewriter:VisitObjectInitializer(Microsoft.CodeAnalysis.VisualBasic.BoundObjectInitializerExpression):Microsoft.CodeAnalysis.VisualBasic.BoundExpression:this (FullOpts)
         102 (8.61 % of base) : 267548.dasm - System.Net.Http.Headers.AltSvcHeaderParser:GetParsedValueLength(System.String,int,System.Object,byref):int:this (FullOpts)
          78 (4.90 % of base) : 210128.dasm - Newtonsoft.Json.Linq.JContainer:ReadContentFrom(Newtonsoft.Json.JsonReader,Newtonsoft.Json.Linq.JsonLoadSettings):this (FullOpts)
          75 (8.53 % of base) : 257331.dasm - System.Linq.Parallel.ExceptQueryOperator`1+OrderedExceptQueryOperatorEnumerator`1[System.__Canon,System.Nullable`1[int]]:MoveNext(byref,byref):ubyte:this (FullOpts)
          72 (4.56 % of base) : 31872.dasm - Microsoft.CodeAnalysis.CSharp.ConversionsBase:HasVariantConversionNoCycleCheck(Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,byref):ubyte:this (FullOpts)
          66 (5.88 % of base) : 230141.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.Nullable`1[int]]:EnqueueRange(System.Collections.Generic.IEnumerable`1[System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]]):this (FullOpts)
          64 (5.85 % of base) : 120250.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          64 (5.85 % of base) : 167951.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          63 (6.46 % of base) : 230142.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.Nullable`1[int]]:EnqueueRange(System.Collections.Generic.IEnumerable`1[System.__Canon],System.Nullable`1[int]):this (FullOpts)
          60 (3.42 % of base) : 261083.dasm - System.Linq.Enumerable+<TakeRangeFromEndIterator>d__290`1[System.__Canon]:MoveNext():ubyte:this (FullOpts)
          60 (2.55 % of base) : 262384.dasm - System.Management.ManagementClassGenerator:GenerateSystemPropertiesClass():System.CodeDom.CodeTypeDeclaration:this (FullOpts)
          57 (16.10 % of base) : 230134.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.Nullable`1[int]]:Enqueue(System.__Canon,System.Nullable`1[int]):this (FullOpts)
          56 (6.84 % of base) : 228104.dasm - System.Collections.Immutable.ImmutableSortedSet`1[System.__Canon]:SymmetricExcept(System.Collections.Generic.IEnumerable`1[System.__Canon]):System.Collections.Immutable.ImmutableSortedSet`1[System.__Canon]:this (FullOpts)
          56 (6.27 % of base) : 297549.dasm - System.Threading.Channels.UnboundedChannel`1+UnboundedChannelReader[System.__Canon]:ReadAsync(System.Threading.CancellationToken):System.Threading.Tasks.ValueTask`1[System.__Canon]:this (FullOpts)
          54 (3.83 % of base) : 159978.dasm - Microsoft.CodeAnalysis.CombineNode`2[System.__Canon,System.Nullable`1[int]]:UpdateStateTable(Microsoft.CodeAnalysis.DriverStateTable+Builder,Microsoft.CodeAnalysis.NodeStateTable`1[System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]],System.Threading.CancellationToken):Microsoft.CodeAnalysis.NodeStateTable`1[System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]]:this (FullOpts)
          54 (1.77 % of base) : 112295.dasm - Microsoft.CodeAnalysis.SourceOutputNode`1[System.__Canon]:UpdateStateTable(Microsoft.CodeAnalysis.DriverStateTable+Builder,Microsoft.CodeAnalysis.NodeStateTable`1[System.ValueTuple`2[System.Collections.Generic.IEnumerable`1[Microsoft.CodeAnalysis.GeneratedSourceText],System.Collections.Generic.IEnumerable`1[Microsoft.CodeAnalysis.Diagnostic]]],System.Threading.CancellationToken):Microsoft.CodeAnalysis.NodeStateTable`1[System.ValueTuple`2[System.Collections.Generic.IEnumerable`1[Microsoft.CodeAnalysis.GeneratedSourceText],System.Collections.Generic.IEnumerable`1[Microsoft.CodeAnalysis.Diagnostic]]]:this (FullOpts)
          54 (8.10 % of base) : 227933.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.Nullable`1[int]]:SetOrAdd(System.__Canon,System.Nullable`1[int],System.Collections.Generic.IComparer`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.Nullable`1[int]],ubyte,byref,byref):System.Collections.Immutable.ImmutableSortedDictionary`2+Node[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          53 (4.21 % of base) : 82427.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceMemberContainerTypeSymbol:DetermineDefaultPropertyName(System.Collections.Generic.Dictionary`2[System.String,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.VisualBasic.Symbol]],Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag):System.String:this (FullOpts)

Top method improvements (bytes):
         -90 (-3.42 % of base) : 113157.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -90 (-3.42 % of base) : 160955.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -80 (-1.44 % of base) : 58614.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (FullOpts)
         -72 (-3.38 % of base) : 60030.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol:CheckMembers(Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceSymbol,System.Collections.Generic.Dictionary`2[System.ReadOnlyMemory`1[ushort],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol]],Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag) (FullOpts)
         -57 (-2.37 % of base) : 82793.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.SourceNamedTypeSymbol:GetMyGroupCollectionAttributeData(Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag,byref,byref):Microsoft.CodeAnalysis.VisualBasic.Symbols.VisualBasicAttributeData:this (FullOpts)
         -54 (-2.11 % of base) : 66187.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeManager+AnonymousTypeToStringMethodSymbol:GenerateMethodBody(Microsoft.CodeAnalysis.CSharp.TypeCompilationState,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag):this (FullOpts)
         -54 (-6.14 % of base) : 113159.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,Microsoft.CodeAnalysis.SyntaxTriviaList,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte],byref):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -54 (-6.14 % of base) : 160957.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,Microsoft.CodeAnalysis.SyntaxTriviaList,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte],byref):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -49 (-1.75 % of base) : 236586.dasm - System.Configuration.BaseConfigurationRecord:Init(System.Configuration.Internal.IInternalConfigRoot,System.Configuration.BaseConfigurationRecord,System.String,System.String):this (FullOpts)
         -49 (-1.75 % of base) : 218596.dasm - System.Configuration.BaseConfigurationRecord:Init(System.Configuration.Internal.IInternalConfigRoot,System.Configuration.BaseConfigurationRecord,System.String,System.String):this (FullOpts)
         -48 (-0.50 % of base) : 117.dasm - System.Text.RegularExpressions.RegexInterpreter:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (FullOpts)
         -43 (-0.69 % of base) : 30024.dasm - Microsoft.CodeAnalysis.CSharp.Binder:BindAnonymousObjectCreation(Microsoft.CodeAnalysis.CSharp.Syntax.AnonymousObjectCreationExpressionSyntax,Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag):Microsoft.CodeAnalysis.CSharp.BoundExpression:this (FullOpts)
         -39 (-3.60 % of base) : 43999.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax:GetNextDirective(System.Func`2[Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax,ubyte]):Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax:this (FullOpts)
         -35 (-1.58 % of base) : 105623.dasm - Microsoft.CodeAnalysis.VisualBasic.VisualBasicCompilation+ReferenceManager:CreateAndSetSourceAssemblyFullBind(Microsoft.CodeAnalysis.VisualBasic.VisualBasicCompilation):ubyte:this (FullOpts)
         -34 (-5.55 % of base) : 49566.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts)
         -32 (-7.17 % of base) : 25927.dasm - Microsoft.FSharp.Primitives.Basics.Array:stableSortWithKeysAndComparer[ubyte,System.Nullable`1[int]](System.Collections.Generic.IComparer`1[ubyte],System.Collections.Generic.IComparer`1[ubyte],System.Nullable`1[int][],ubyte[]) (FullOpts)
         -31 (-1.83 % of base) : 122317.dasm - Microsoft.CodeAnalysis.NodeStateTable`1+Builder[System.__Canon]:TryModifyEntries(System.Collections.Immutable.ImmutableArray`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],System.TimeSpan,System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`2[Microsoft.CodeAnalysis.IncrementalGeneratorRunStep,int]],int):ubyte:this (FullOpts)
         -31 (-1.83 % of base) : 170022.dasm - Microsoft.CodeAnalysis.NodeStateTable`1+Builder[System.__Canon]:TryModifyEntries(System.Collections.Immutable.ImmutableArray`1[System.__Canon],System.Collections.Generic.IEqualityComparer`1[System.__Canon],System.TimeSpan,System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`2[Microsoft.CodeAnalysis.IncrementalGeneratorRunStep,int]],int):ubyte:this (FullOpts)
         -30 (-3.48 % of base) : 59799.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (FullOpts)
         -27 (-0.57 % of base) : 36779.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:<VisitArguments>g__visitArguments|231_0(Microsoft.CodeAnalysis.CSharp.BoundNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Conversion],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,ubyte):System.ValueTuple`4[Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],ubyte,Microsoft.CodeAnalysis.CSharp.NullableWalker+ArgumentsCompletionDelegate]:this (FullOpts)

Top method regressions (percentages):
          11 (220.00 % of base) : 23343.dasm - Microsoft.FSharp.Collections.ArrayModule+Parallel+Reduce@2143[System.__Canon]:Invoke(System.__Canon):System.__Canon:this (FullOpts)
          11 (220.00 % of base) : 16422.dasm - Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
          10 (200.00 % of base) : 123542.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 171240.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 216894.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 123543.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 171241.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 216895.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedDictionary`2+Builder+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 109993.dasm - Microsoft.CodeAnalysis.SmallDictionary`2[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.SmallDictionary`2+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 157870.dasm - Microsoft.CodeAnalysis.SmallDictionary`2[System.__Canon,System.Nullable`1[int]]:get_Keys():Microsoft.CodeAnalysis.SmallDictionary`2+KeyCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 109994.dasm - Microsoft.CodeAnalysis.SmallDictionary`2[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.SmallDictionary`2+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (200.00 % of base) : 157871.dasm - Microsoft.CodeAnalysis.SmallDictionary`2[System.__Canon,System.Nullable`1[int]]:get_Values():Microsoft.CodeAnalysis.SmallDictionary`2+ValueCollection[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
          10 (166.67 % of base) : 120348.dasm - Microsoft.CodeAnalysis.Collections.SegmentedList`1[System.__Canon]:get_Capacity():int:this (FullOpts)
          10 (166.67 % of base) : 168049.dasm - Microsoft.CodeAnalysis.Collections.SegmentedList`1[System.__Canon]:get_Capacity():int:this (FullOpts)
          10 (166.67 % of base) : 216401.dasm - Microsoft.CodeAnalysis.Collections.SegmentedList`1[System.__Canon]:get_Capacity():int:this (FullOpts)
          10 (166.67 % of base) : 258129.dasm - System.Linq.Parallel.GroupByGrouping`2[System.__Canon,System.Nullable`1[int]]:System.Linq.IGrouping<TGroupKey,TElement>.get_Key():System.__Canon:this (FullOpts)
          11 (122.22 % of base) : 16433.dasm - Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200-1[System.__Canon]:Invoke(Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 124823.dasm - Microsoft.CodeAnalysis.SmallDictionary`2+KeyCollection+EnumerableImpl[System.__Canon,System.Nullable`1[int]]:System.Collections.IEnumerator.get_Current():System.Object:this (FullOpts)
          10 (111.11 % of base) : 169096.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):uint:this (FullOpts)
          10 (111.11 % of base) : 256484.dasm - System.Linq.AggregationMinMaxHelpers`1+<>c[System.__Canon]:<MakeResultSelectorFunction>b__5_0(System.Linq.Parallel.Pair`2[ubyte,System.__Canon]):System.__Canon:this (FullOpts)

Top method improvements (percentages):
         -12 (-7.32 % of base) : 188642.dasm - System.Xml.Xsl.XsltOld.OutputScopeManager:FindPrefix(System.String,byref):ubyte:this (FullOpts)
         -32 (-7.17 % of base) : 25927.dasm - Microsoft.FSharp.Primitives.Basics.Array:stableSortWithKeysAndComparer[ubyte,System.Nullable`1[int]](System.Collections.Generic.IComparer`1[ubyte],System.Collections.Generic.IComparer`1[ubyte],System.Nullable`1[int][],ubyte[]) (FullOpts)
         -20 (-7.12 % of base) : 290287.dasm - System.Speech.Internal.Synthesis.VoiceSynthesis:MatchVoice(System.Globalization.CultureInfo,int,int,int,ubyte,byref):System.Speech.Internal.Synthesis.TTSVoice:this (FullOpts)
         -14 (-6.83 % of base) : 153885.dasm - Microsoft.Build.Graph.ProjectGraph+ProjectGraphBuildRequest:GetHashCode():int:this (FullOpts)
         -54 (-6.14 % of base) : 160957.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,Microsoft.CodeAnalysis.SyntaxTriviaList,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte],byref):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -54 (-6.14 % of base) : 113159.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,Microsoft.CodeAnalysis.SyntaxTriviaList,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte],byref):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)
         -19 (-5.56 % of base) : 59694.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
         -34 (-5.55 % of base) : 49566.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts)
          -5 (-4.55 % of base) : 279672.dasm - System.Runtime.Serialization.ObjectHolderListEnumerator:MoveNext():ubyte:this (FullOpts)
         -19 (-4.38 % of base) : 229256.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -16 (-4.35 % of base) : 11581.dasm - System.Collections.Concurrent.ConcurrentQueue`1[System.Numerics.Vector`1[float]]:EnqueueSlow(System.Numerics.Vector`1[float]):this (FullOpts)
         -11 (-4.01 % of base) : 80295.dasm - Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeDescriptor:Equals(Microsoft.CodeAnalysis.VisualBasic.Symbols.AnonymousTypeDescriptor,int):ubyte:this (FullOpts)
         -11 (-4.00 % of base) : 222866.dasm - System.CodeDom.CodeTypeReference:RipOffAssemblyInformationFromTypeName(System.String):System.String (FullOpts)
         -11 (-4.00 % of base) : 176342.dasm - System.Runtime.Serialization.CodeTypeReference:RipOffAssemblyInformationFromTypeName(System.String):System.String (FullOpts)
         -20 (-3.94 % of base) : 146567.dasm - Microsoft.VisualBasic.CompilerServices.VB6File:PutFixedLengthString(long,System.String,int):this (FullOpts)
          -2 (-3.70 % of base) : 35241.dasm - Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel:IsInDocumentationComment(Microsoft.CodeAnalysis.SyntaxNode):ubyte (FullOpts)
         -39 (-3.60 % of base) : 43999.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax:GetNextDirective(System.Func`2[Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax,ubyte]):Microsoft.CodeAnalysis.CSharp.Syntax.DirectiveTriviaSyntax:this (FullOpts)
         -14 (-3.50 % of base) : 284282.dasm - System.Security.Cryptography.CryptoConfig:AddAlgorithm(System.Type,System.String[]) (FullOpts)
         -30 (-3.48 % of base) : 59799.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (FullOpts)
         -90 (-3.42 % of base) : 160955.dasm - Microsoft.CodeAnalysis.SyntaxNavigator:GetPreviousToken(Microsoft.CodeAnalysis.SyntaxTrivia,System.Func`2[Microsoft.CodeAnalysis.SyntaxToken,ubyte],System.Func`2[Microsoft.CodeAnalysis.SyntaxTrivia,ubyte]):Microsoft.CodeAnalysis.SyntaxToken:this (FullOpts)

libraries_tests.run.windows.x86.Release.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 186473129 (overridden on cmd)
Total bytes of diff: 186513954 (overridden on cmd)
Total bytes of delta: 40825 (0.02 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         383 : 212367.dasm (3.32 % of base)
         294 : 5990.dasm (2.50 % of base)
         273 : 8806.dasm (11.69 % of base)
         272 : 194568.dasm (2.31 % of base)
         272 : 205182.dasm (2.31 % of base)
         272 : 325943.dasm (2.31 % of base)
         272 : 481972.dasm (2.31 % of base)
         272 : 609976.dasm (2.31 % of base)
         269 : 443000.dasm (2.30 % of base)
         263 : 184404.dasm (2.20 % of base)
         236 : 376610.dasm (2.25 % of base)
         228 : 419549.dasm (1.93 % of base)
         203 : 343614.dasm (1.75 % of base)
         185 : 504489.dasm (1.62 % of base)
         180 : 270361.dasm (1.53 % of base)
         180 : 358076.dasm (1.53 % of base)
         180 : 437475.dasm (1.53 % of base)
         176 : 293036.dasm (1.49 % of base)
         176 : 298948.dasm (1.49 % of base)
         176 : 274124.dasm (1.49 % of base)

Top file improvements (bytes):
        -388 : 483549.dasm (-3.08 % of base)
        -341 : 279365.dasm (-2.82 % of base)
        -197 : 473736.dasm (-1.85 % of base)
        -164 : 588766.dasm (-8.60 % of base)
        -163 : 444213.dasm (-1.53 % of base)
        -160 : 25506.dasm (-1.50 % of base)
        -146 : 157223.dasm (-1.43 % of base)
        -135 : 444599.dasm (-2.52 % of base)
        -121 : 181427.dasm (-6.73 % of base)
        -116 : 11654.dasm (-2.09 % of base)
        -109 : 478301.dasm (-6.10 % of base)
        -107 : 376547.dasm (-14.68 % of base)
        -107 : 271314.dasm (-14.68 % of base)
        -107 : 78265.dasm (-2.76 % of base)
        -106 : 510006.dasm (-6.50 % of base)
        -105 : 341178.dasm (-5.68 % of base)
        -101 : 345590.dasm (-0.93 % of base)
         -97 : 506288.dasm (-5.21 % of base)
         -97 : 107178.dasm (-5.46 % of base)
         -96 : 298531.dasm (-0.79 % of base)

96 total files with Code Size differences (53 improved, 43 regressed), 20 unchanged.

Top method regressions (bytes):
         383 (3.32 % of base) : 212367.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         294 (2.50 % of base) : 5990.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         273 (11.69 % of base) : 8806.dasm - System.IO.Enumeration.FileSystemName:MatchPattern(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ushort],ubyte,ubyte):ubyte (Instrumented Tier1)
         272 (2.31 % of base) : 194568.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         272 (2.31 % of base) : 205182.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         272 (2.31 % of base) : 325943.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         272 (2.31 % of base) : 481972.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         272 (2.31 % of base) : 609976.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         269 (2.30 % of base) : 443000.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         263 (2.20 % of base) : 184404.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         236 (2.25 % of base) : 376610.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         228 (1.93 % of base) : 419549.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         203 (1.75 % of base) : 343614.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         185 (1.62 % of base) : 504489.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         180 (1.53 % of base) : 270361.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         180 (1.53 % of base) : 358076.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         180 (1.53 % of base) : 437475.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         176 (1.49 % of base) : 293036.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         176 (1.49 % of base) : 298948.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)
         176 (1.49 % of base) : 274124.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Instrumented Tier1)

Top method improvements (bytes):
        -388 (-3.08 % of base) : 483549.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
        -341 (-2.82 % of base) : 279365.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
        -197 (-1.85 % of base) : 473736.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
        -164 (-8.60 % of base) : 588766.dasm - Microsoft.CodeAnalysis.CSharp.LocalBinderFactory:VisitVariableDeclarator(Microsoft.CodeAnalysis.CSharp.Syntax.VariableDeclaratorSyntax):this (Tier1)
        -163 (-1.53 % of base) : 444213.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
        -160 (-1.50 % of base) : 25506.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
        -146 (-1.43 % of base) : 157223.dasm - Microsoft.CodeAnalysis.CSharp.DiagnosticsPass:VisitCall(Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.PropertySymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[System.String],Microsoft.CodeAnalysis.BitVector,Microsoft.CodeAnalysis.CSharp.BoundNode):this (Tier1)
        -135 (-2.52 % of base) : 444599.dasm - (dynamicClass):ReadPrimitiveContainerFromXml(System.Runtime.Serialization.XmlReaderDelegator,System.Runtime.Serialization.XmlObjectSerializerReadContext,System.Xml.XmlDictionaryString[],System.Xml.XmlDictionaryString[]):System.Object (FullOpts)
        -121 (-6.73 % of base) : 181427.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:PopulateProperties(System.RuntimeType+RuntimeTypeCache+Filter,System.RuntimeType,System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.Reflection.RuntimePropertyInfo]],System.Span`1[ubyte],ubyte,byref):this (Tier1)
        -116 (-2.09 % of base) : 11654.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (Tier0-FullOpts)
        -109 (-6.10 % of base) : 478301.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:PopulateProperties(System.RuntimeType+RuntimeTypeCache+Filter,System.RuntimeType,System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.Reflection.RuntimePropertyInfo]],System.Span`1[ubyte],ubyte,byref):this (Tier1)
        -107 (-2.76 % of base) : 78265.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMethodSymbolWithAttributes:EarlyDecodeWellKnownAttribute(byref):System.ValueTuple`2[Microsoft.CodeAnalysis.CSharp.Symbols.CSharpAttributeData,Microsoft.CodeAnalysis.CSharp.BoundAttribute]:this (Tier1)
        -107 (-14.68 % of base) : 376547.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
        -107 (-14.68 % of base) : 271314.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
        -106 (-6.50 % of base) : 510006.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:PopulateProperties(System.RuntimeType+RuntimeTypeCache+Filter,System.RuntimeType,System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.Reflection.RuntimePropertyInfo]],System.Span`1[ubyte],ubyte,byref):this (Tier1)
        -105 (-5.68 % of base) : 341178.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:PopulateProperties(System.RuntimeType+RuntimeTypeCache+Filter,System.RuntimeType,System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.Reflection.RuntimePropertyInfo]],System.Span`1[ubyte],ubyte,byref):this (Tier1)
        -101 (-0.93 % of base) : 345590.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)
         -97 (-5.21 % of base) : 506288.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:PopulateProperties(System.RuntimeType+RuntimeTypeCache+Filter,System.RuntimeType,System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.Reflection.RuntimePropertyInfo]],System.Span`1[ubyte],ubyte,byref):this (Tier1)
         -97 (-5.46 % of base) : 107178.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:PopulateProperties(System.RuntimeType+RuntimeTypeCache+Filter,System.RuntimeType,System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.Reflection.RuntimePropertyInfo]],System.Span`1[ubyte],ubyte,byref):this (Tier1)
         -96 (-0.79 % of base) : 298531.dasm - System.DefaultBinder:BindToMethod(int,System.Reflection.MethodBase[],byref,System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,System.String[],byref):System.Reflection.MethodBase:this (Tier1)

Top method regressions (percentages):
          10 (200.00 % of base) : 15296.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Instrumented Tier1)
          10 (200.00 % of base) : 31569.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (Tier1)
          10 (111.11 % of base) : 51187.dasm - Microsoft.CodeAnalysis.NodeStateTable`1[System.__Canon]:get_Count():int:this (Tier1)
          10 (111.11 % of base) : 55260.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):uint:this (Tier1)
          10 (111.11 % of base) : 55264.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_1(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):System.__Canon:this (Tier1)
          10 (111.11 % of base) : 154135.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,System.__Canon]:<get_Values>b__32_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (Tier1)
          10 (111.11 % of base) : 562424.dasm - System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (Tier1)
          24 (104.35 % of base) : 30187.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (Tier1)
          24 (104.35 % of base) : 31461.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (Tier1)
          10 (66.67 % of base) : 42237.dasm - System.Collections.Generic.Dictionary`2+ValueCollection[System.__Canon,System.__Canon]:System.Collections.IEnumerable.GetEnumerator():System.Collections.IEnumerator:this (Instrumented Tier1)
          10 (66.67 % of base) : 98187.dasm - System.Collections.Generic.Dictionary`2+ValueCollection[System.__Canon,System.__Canon]:System.Collections.IEnumerable.GetEnumerator():System.Collections.IEnumerator:this (Tier1)
          10 (66.67 % of base) : 31688.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.ValueTuple`3[int,int,System.__Canon]]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.ValueTuple`3[int,int,System.__Canon]]:this (Tier1)
          22 (59.46 % of base) : 158760.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.ValueTuple`2[System.__Canon,System.__Canon],System.__Canon]:TryGetValue(System.ValueTuple`2[System.__Canon,System.__Canon],byref):ubyte:this (Tier1)
          10 (52.63 % of base) : 47582.dasm - Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.CSharp.MemberResolutionResult`1[System.__Canon]]:GetEnumerator():Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1+Enumerator[Microsoft.CodeAnalysis.CSharp.MemberResolutionResult`1[System.__Canon]]:this (Tier1)
          10 (52.63 % of base) : 143488.dasm - Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[Microsoft.CodeAnalysis.NodeStateTable`1+TableEntry[System.__Canon]]:GetEnumerator():Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1+Enumerator[Microsoft.CodeAnalysis.NodeStateTable`1+TableEntry[System.__Canon]]:this (Tier1)
          10 (50.00 % of base) : 55480.dasm - Microsoft.CodeAnalysis.SyntaxList`1+EnumeratorImpl[System.__Canon]:.ctor(byref):this (Tier1)
          10 (50.00 % of base) : 330714.dasm - System.Net.Http.Headers.ObjectCollection`1[System.__Canon]:GetEnumerator():System.Net.Http.Headers.ObjectCollection`1+Enumerator[System.__Canon]:this (Tier1)
          10 (50.00 % of base) : 390180.dasm - System.Xml.Xsl.ListBase`1[System.__Canon]:GetEnumerator():System.Xml.Xsl.IListEnumerator`1[System.__Canon]:this (Tier1)
          12 (48.00 % of base) : 148082.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)
          12 (48.00 % of base) : 161317.dasm - Microsoft.CodeAnalysis.BindingDiagnosticBag`1[System.__Canon]:AddDependencies(Microsoft.CodeAnalysis.CompoundUseSiteInfo`1[System.__Canon]):this (Tier1)

Top method improvements (percentages):
        -107 (-14.68 % of base) : 376547.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
        -107 (-14.68 % of base) : 271314.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -82 (-13.08 % of base) : 230373.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -15 (-11.90 % of base) : 187641.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 247553.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 321817.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 168923.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 543092.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 220161.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 385076.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 449750.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 198006.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 310253.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 420338.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -15 (-11.90 % of base) : 623441.dasm - System.Collections.Concurrent.ConcurrentQueueSegment`1[System.__Canon]:TryEnqueue(System.__Canon):ubyte:this (Tier1)
         -69 (-11.17 % of base) : 125374.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -67 (-10.74 % of base) : 136485.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -65 (-9.76 % of base) : 504027.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
         -53 (-8.91 % of base) : 94409.dasm - System.RuntimeType+RuntimeTypeCache+MemberInfoCache`1[System.__Canon]:MergeWithGlobalList(System.__Canon[]):this (Tier1)
        -164 (-8.60 % of base) : 588766.dasm - Microsoft.CodeAnalysis.CSharp.LocalBinderFactory:VisitVariableDeclarator(Microsoft.CodeAnalysis.CSharp.Syntax.VariableDeclaratorSyntax):this (Tier1)

librariestestsnotieredcompilation.run.windows.x86.Release.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 102590267 (overridden on cmd)
Total bytes of diff: 102602457 (overridden on cmd)
Total bytes of delta: 12190 (0.01 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         176 : 209070.dasm (4.94 % of base)
         110 : 208640.dasm (3.61 % of base)
         109 : 53299.dasm (7.06 % of base)
         105 : 242352.dasm (7.71 % of base)
          98 : 43746.dasm (1.53 % of base)
          98 : 49409.dasm (1.53 % of base)
          98 : 5157.dasm (1.54 % of base)
          94 : 172702.dasm (1.75 % of base)
          93 : 156273.dasm (8.31 % of base)
          92 : 154508.dasm (8.13 % of base)
          88 : 80401.dasm (2.91 % of base)
          80 : 5435.dasm (7.71 % of base)
          79 : 77870.dasm (25.24 % of base)
          77 : 243576.dasm (10.08 % of base)
          75 : 47339.dasm (5.47 % of base)
          75 : 4161.dasm (22.19 % of base)
          72 : 282061.dasm (2.03 % of base)
          72 : 52303.dasm (4.60 % of base)
          72 : 45947.dasm (4.62 % of base)
          69 : 242324.dasm (3.02 % of base)

Top file improvements (bytes):
        -159 : 208747.dasm (-3.01 % of base)
        -131 : 6068.dasm (-2.37 % of base)
         -93 : 45046.dasm (-1.84 % of base)
         -81 : 288339.dasm (-2.42 % of base)
         -81 : 285633.dasm (-2.42 % of base)
         -81 : 288338.dasm (-2.42 % of base)
         -69 : 5891.dasm (-3.32 % of base)
         -69 : 63984.dasm (-1.23 % of base)
         -58 : 294563.dasm (-2.29 % of base)
         -54 : 296654.dasm (-1.51 % of base)
         -49 : 91476.dasm (-1.77 % of base)
         -48 : 3782.dasm (-0.50 % of base)
         -41 : 282301.dasm (-2.84 % of base)
         -40 : 282361.dasm (-3.18 % of base)
         -38 : 288322.dasm (-2.48 % of base)
         -36 : 268391.dasm (-0.80 % of base)
         -35 : 288363.dasm (-2.14 % of base)
         -35 : 288364.dasm (-2.11 % of base)
         -35 : 288362.dasm (-2.15 % of base)
         -34 : 278550.dasm (-5.55 % of base)

90 total files with Code Size differences (44 improved, 46 regressed), 20 unchanged.

Top method regressions (bytes):
         176 (4.94 % of base) : 209070.dasm - (dynamicClass):ReadDerivedTypeWithDifferentOverridesFromXml(System.Runtime.Serialization.XmlReaderDelegator,System.Runtime.Serialization.XmlObjectSerializerReadContext,System.Xml.XmlDictionaryString[],System.Xml.XmlDictionaryString[]):System.Object (FullOpts)
         110 (3.61 % of base) : 208640.dasm - (dynamicClass):ReadWithNullablesFromXml(System.Runtime.Serialization.XmlReaderDelegator,System.Runtime.Serialization.XmlObjectSerializerReadContext,System.Xml.XmlDictionaryString[],System.Xml.XmlDictionaryString[]):System.Object (FullOpts)
         109 (7.06 % of base) : 53299.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
         105 (7.71 % of base) : 242352.dasm - System.Text.Encodings.Web.Tests.JavaScriptEncoderTests:InvalidFindFirstCharacterToEncode(ushort,System.Text.Encodings.Web.JavaScriptEncoder):this (FullOpts)
          98 (1.53 % of base) : 43746.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
          98 (1.53 % of base) : 49409.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
          98 (1.54 % of base) : 5157.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
          94 (1.75 % of base) : 172702.dasm - Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderTypeWithGetSetArrayMembers:Read3_TypeWithGetSetArrayMembers(ubyte,ubyte):SerializationTypes.TypeWithGetSetArrayMembers:this (FullOpts)
          93 (8.31 % of base) : 156273.dasm - System.Net.Http.Headers.AltSvcHeaderParser:GetParsedValueLength(System.String,int,System.Object,byref):int:this (FullOpts)
          92 (8.13 % of base) : 154508.dasm - System.Net.Http.Headers.AltSvcHeaderParser:GetParsedValueLength(System.String,int,System.Object,byref):int:this (FullOpts)
          88 (2.91 % of base) : 80401.dasm - System.Collections.Tests.LinkedList_Generic_Tests`1[System.__Canon]:AddBefore_LLNode_LLNode():this (FullOpts)
          80 (7.71 % of base) : 5435.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:Bind(System.Collections.Immutable.ImmutableArray`1[System.__Canon],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.PEModule],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.MetadataReference],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]],Microsoft.CodeAnalysis.MetadataReferenceResolver,ubyte,ubyte,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag,byref,byref):Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][]:this (FullOpts)
          79 (25.24 % of base) : 77870.dasm - System.Collections.Generic.PriorityQueue`2[System.__Canon,System.__Canon]:DequeueEnqueue(System.__Canon,System.__Canon):System.__Canon:this (FullOpts)
          77 (10.08 % of base) : 243576.dasm - System.Text.Json.Serialization.Converters.DictionaryOfTKeyTValueConverter`3[System.__Canon,System.__Canon,System.__Canon]:OnWriteResume(System.Text.Json.Utf8JsonWriter,System.__Canon,System.Text.Json.JsonSerializerOptions,byref):ubyte:this (FullOpts)
          75 (5.47 % of base) : 47339.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
          75 (22.19 % of base) : 4161.dasm - NuGet.Frameworks.NuGetFramework:RawParse(System.String):System.Tuple`3[System.String,System.String,System.String] (FullOpts)
          72 (4.60 % of base) : 52303.dasm - Microsoft.CodeAnalysis.CSharp.ConversionsBase:HasVariantConversionNoCycleCheck(Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,byref):ubyte:this (FullOpts)
          72 (4.62 % of base) : 45947.dasm - Microsoft.CodeAnalysis.CSharp.ConversionsBase:HasVariantConversionNoCycleCheck(Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,byref):ubyte:this (FullOpts)
          72 (2.03 % of base) : 282061.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex368_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
          69 (3.02 % of base) : 242324.dasm - System.Text.Encodings.Web.Tests.JavaScriptEncoderTests:EscapingTestWhileWritingSurrogate(System.Text.Encodings.Web.JavaScriptEncoder):this (FullOpts)

Top method improvements (bytes):
        -159 (-3.01 % of base) : 208747.dasm - (dynamicClass):ReadPrimitiveContainerFromXml(System.Runtime.Serialization.XmlReaderDelegator,System.Runtime.Serialization.XmlObjectSerializerReadContext,System.Xml.XmlDictionaryString[],System.Xml.XmlDictionaryString[]):System.Object (FullOpts)
        -131 (-2.37 % of base) : 6068.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (FullOpts)
         -93 (-1.84 % of base) : 45046.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:VisitArguments(Microsoft.CodeAnalysis.CSharp.BoundNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol):System.ValueTuple`3[Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],ubyte]:this (FullOpts)
         -81 (-2.42 % of base) : 285633.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex27707_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -81 (-2.42 % of base) : 288338.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex28240_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -81 (-2.42 % of base) : 288339.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex28241_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -69 (-3.32 % of base) : 5891.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol:CheckMembers(Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceSymbol,System.Collections.Generic.Dictionary`2[System.ReadOnlyMemory`1[ushort],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol]],Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag) (FullOpts)
         -69 (-1.23 % of base) : 63984.dasm - System.Xml.Schema.Compiler:CompileLocalAttributes(System.Xml.Schema.XmlSchemaComplexType,System.Xml.Schema.XmlSchemaComplexType,System.Xml.Schema.XmlSchemaObjectCollection,System.Xml.Schema.XmlSchemaAnyAttribute,int):this (FullOpts)
         -58 (-2.29 % of base) : 294563.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex29512_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -54 (-1.51 % of base) : 296654.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex30584_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -49 (-1.77 % of base) : 91476.dasm - System.Configuration.BaseConfigurationRecord:Init(System.Configuration.Internal.IInternalConfigRoot,System.Configuration.BaseConfigurationRecord,System.String,System.String):this (FullOpts)
         -48 (-0.50 % of base) : 3782.dasm - System.Text.RegularExpressions.RegexInterpreter:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (FullOpts)
         -41 (-2.84 % of base) : 282301.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex730_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -40 (-3.18 % of base) : 282361.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex27120_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -38 (-2.48 % of base) : 288322.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex28224_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -36 (-0.80 % of base) : 268391.dasm - System.Text.Json.Tests.Utf8JsonReaderTests:TestTrySkipPartial(System.String,ubyte) (FullOpts)
         -35 (-2.15 % of base) : 288362.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex28298_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -35 (-2.14 % of base) : 288363.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex28301_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -35 (-2.11 % of base) : 288364.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex28304_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -34 (-5.55 % of base) : 278550.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts)

Top method regressions (percentages):
          10 (200.00 % of base) : 3394.dasm - System.Threading.Tasks.Task`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.Collections.Immutable.ImmutableArray`1[System.__Canon]]:this (FullOpts)
          10 (111.11 % of base) : 36915.dasm - Grace.Data.Immutable.ImmutableHashTree`2+<>c[System.__Canon,System.__Canon]:<get_Values>b__22_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 6445.dasm - Microsoft.CodeAnalysis.NodeStateTable`1[System.__Canon]:get_Count():int:this (FullOpts)
          10 (111.11 % of base) : 10411.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):uint:this (FullOpts)
          10 (111.11 % of base) : 10412.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_1(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 70197.dasm - System.Collections.Frozen.Tests.FrozenDictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<EqualButPossiblyDifferentKeys_Found>b__34_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 70198.dasm - System.Collections.Frozen.Tests.FrozenDictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<EqualButPossiblyDifferentKeys_Found>b__34_1(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 73813.dasm - System.Collections.Frozen.Tests.FrozenFromKnownValuesTests+<>c__7`2[int,System.__Canon]:<FrozenSetWorker>b__7_0(System.Collections.Generic.KeyValuePair`2[int,System.__Canon]):int:this (FullOpts)
          10 (111.11 % of base) : 73853.dasm - System.Collections.Frozen.Tests.FrozenFromKnownValuesTests+<>c__7`2[uint,System.__Canon]:<FrozenSetWorker>b__7_0(System.Collections.Generic.KeyValuePair`2[uint,System.__Canon]):uint:this (FullOpts)
          10 (111.11 % of base) : 72096.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,int]:<get_Values>b__32_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,int]):int:this (FullOpts)
          10 (111.11 % of base) : 71939.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,System.__Canon]:<get_Keys>b__30_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 30343.dasm - System.Collections.Immutable.ImmutableSortedDictionary`2+Node+<>c[System.__Canon,System.__Canon]:<get_Values>b__32_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 77032.dasm - System.Collections.Tests.Dictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<IReadOnlyDictionary_Generic_Values_ContainsAllCorrectValues>b__26_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 68779.dasm - System.Collections.Tests.IDictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<IDictionary_Generic_Keys_ContainsAllCorrectKeys>b__33_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 68683.dasm - System.Collections.Tests.IDictionary_Generic_Tests`2+<>c[System.__Canon,System.__Canon]:<IDictionary_Generic_Values_ContainsAllCorrectValues>b__38_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 138943.dasm - System.Linq.AggregationMinMaxHelpers`1+<>c[System.__Canon]:<MakeResultSelectorFunction>b__5_0(System.Linq.Parallel.Pair`2[ubyte,System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 256646.dasm - System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 270889.dasm - System.Text.Json.Serialization.Tests.StructDictionary`2+<>c[System.__Canon,System.Text.Json.JsonElement]:<.ctor>b__3_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Text.Json.JsonElement]):System.__Canon:this (FullOpts)
          24 (104.35 % of base) : 2658.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,System.__Canon]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.__Canon]]):this (FullOpts)
          24 (104.35 % of base) : 2774.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)

Top method improvements (percentages):
         -19 (-5.56 % of base) : 278126.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
         -34 (-5.55 % of base) : 278550.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts)
          -5 (-4.55 % of base) : 40115.dasm - System.Runtime.Serialization.ObjectHolderListEnumerator:MoveNext():ubyte:this (FullOpts)
         -19 (-4.38 % of base) : 70567.dasm - System.Collections.Frozen.LengthBuckets:CreateLengthBucketsArrayIfAppropriate(System.String[],System.Collections.Generic.IEqualityComparer`1[System.String],int,int):int[] (FullOpts)
         -11 (-4.00 % of base) : 64834.dasm - System.CodeDom.CodeTypeReference:RipOffAssemblyInformationFromTypeName(System.String):System.String (FullOpts)
         -11 (-4.00 % of base) : 205675.dasm - System.Runtime.Serialization.CodeTypeReference:RipOffAssemblyInformationFromTypeName(System.String):System.String (FullOpts)
         -12 (-3.93 % of base) : 33196.dasm - Moq.MatcherFactory:CreateMatchers(System.Collections.Generic.IReadOnlyList`1[System.Linq.Expressions.Expression],System.Reflection.ParameterInfo[]):Moq.Pair`2[Moq.IMatcher[],System.Linq.Expressions.Expression[]] (FullOpts)
         -29 (-3.77 % of base) : 6179.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (FullOpts)
          -2 (-3.70 % of base) : 12487.dasm - Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel:IsInDocumentationComment(Microsoft.CodeAnalysis.SyntaxNode):ubyte (FullOpts)
          -2 (-3.70 % of base) : 51125.dasm - Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel:IsInDocumentationComment(Microsoft.CodeAnalysis.SyntaxNode):ubyte (FullOpts)
          -5 (-3.52 % of base) : 127940.dasm - System.IO.Compression.Tests.ZipFileTestBase:ArraysEqual[ubyte](ubyte[],ubyte[],int):ubyte (FullOpts)
          -5 (-3.52 % of base) : 128054.dasm - System.IO.Compression.Tests.ZipFileTestBase:ArraysEqual[ubyte](ubyte[],ubyte[],int):ubyte (FullOpts)
         -69 (-3.32 % of base) : 5891.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol:CheckMembers(Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceSymbol,System.Collections.Generic.Dictionary`2[System.ReadOnlyMemory`1[ushort],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol]],Microsoft.CodeAnalysis.CSharp.BindingDiagnosticBag) (FullOpts)
         -16 (-3.29 % of base) : 23071.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.DirectiveStack:IsDefined(System.String):int:this (FullOpts)
         -16 (-3.29 % of base) : 48167.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.DirectiveStack:IsDefined(System.String):int:this (FullOpts)
         -16 (-3.29 % of base) : 53874.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.DirectiveStack:IsDefined(System.String):int:this (FullOpts)
          -5 (-3.25 % of base) : 159393.dasm - System.Net.Mime.ByteEncoder:AppendEncodedCodepoint(ubyte[],int):this (FullOpts)
          -5 (-3.25 % of base) : 158897.dasm - System.Net.Mime.ByteEncoder:AppendEncodedCodepoint(ubyte[],int):this (FullOpts)
         -20 (-3.23 % of base) : 56193.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanXmlAttributeText(byref):this (FullOpts)
         -11 (-3.23 % of base) : 102291.dasm - System.Diagnostics.Process:GetProcessesByName(System.String,System.String):System.Diagnostics.Process[] (FullOpts)

realworld.run.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 10958137 (overridden on cmd)
Total bytes of diff: 10960178 (overridden on cmd)
Total bytes of delta: 2041 (0.02 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
         137 : 5009.dasm (2.23 % of base)
          82 : 34977.dasm (6.68 % of base)
          75 : 30466.dasm (5.36 % of base)
          72 : 26623.dasm (4.60 % of base)
          64 : 20012.dasm (5.85 % of base)
          57 : 20345.dasm (5.57 % of base)
          55 : 21734.dasm (13.25 % of base)
          52 : 19899.dasm (0.83 % of base)
          52 : 21530.dasm (4.84 % of base)
          46 : 1266.dasm (1.68 % of base)
          44 : 16506.dasm (4.59 % of base)
          36 : 33774.dasm (8.00 % of base)
          36 : 7587.dasm (7.64 % of base)
          33 : 17458.dasm (1.76 % of base)
          33 : 8731.dasm (7.35 % of base)
          33 : 17253.dasm (3.91 % of base)
          31 : 152.dasm (2.80 % of base)
          30 : 1493.dasm (3.89 % of base)
          30 : 34974.dasm (11.95 % of base)
          30 : 545.dasm (5.15 % of base)

Top file improvements (bytes):
        -182 : 21007.dasm (-3.26 % of base)
        -125 : 11280.dasm (-1.50 % of base)
        -117 : 4839.dasm (-1.64 % of base)
         -96 : 14783.dasm (-1.59 % of base)
         -48 : 31802.dasm (-0.50 % of base)
         -34 : 13971.dasm (-3.86 % of base)
         -34 : 19060.dasm (-5.55 % of base)
         -29 : 21400.dasm (-3.77 % of base)
         -27 : 21588.dasm (-0.57 % of base)
         -26 : 15667.dasm (-0.38 % of base)
         -26 : 25539.dasm (-1.73 % of base)
         -24 : 23896.dasm (-1.77 % of base)
         -23 : 31591.dasm (-0.52 % of base)
         -22 : 2154.dasm (-1.67 % of base)
         -21 : 14815.dasm (-1.03 % of base)
         -21 : 22780.dasm (-2.47 % of base)
         -21 : 14711.dasm (-1.54 % of base)
         -21 : 43.dasm (-3.08 % of base)
         -20 : 1119.dasm (-0.09 % of base)
         -20 : 1410.dasm (-2.27 % of base)

82 total files with Code Size differences (34 improved, 48 regressed), 20 unchanged.

Top method regressions (bytes):
         137 (2.23 % of base) : 5009.dasm - FSharp.Compiler.LexFilter:scanAhead@1017(FSharp.Compiler.LexFilter+LexFilterImpl,ubyte,Internal.Utilities.Text.Lexing.Position,Microsoft.FSharp.Core.FSharpRef`1[Microsoft.FSharp.Collections.FSharpList`1[System.Tuple`2[FSharp.Compiler.LexFilter+TokenTup,ubyte]]],int):ubyte (FullOpts)
          82 (6.68 % of base) : 34977.dasm - Microsoft.ApplicationInsights.Metrics.ConcurrentDatastructures.MultidimensionalCube2`1[System.__Canon]:TryCreatePoint(System.String[],System.String):Microsoft.ApplicationInsights.Metrics.ConcurrentDatastructures.MultidimensionalPointResult`1[System.__Canon]:this (FullOpts)
          75 (5.36 % of base) : 30466.dasm - Microsoft.CodeAnalysis.Emit.PEModuleBuilder`9+<GetTopLevelTypeDefinitions>d__23[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MoveNext():ubyte:this (FullOpts)
          72 (4.60 % of base) : 26623.dasm - Microsoft.CodeAnalysis.CSharp.ConversionsBase:HasVariantConversionNoCycleCheck(Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol,byref):ubyte:this (FullOpts)
          64 (5.85 % of base) : 20012.dasm - Microsoft.CodeAnalysis.Collections.SegmentedHashSet`1[System.__Canon]:AddIfNotPresent(System.__Canon,byref):ubyte:this (FullOpts)
          57 (5.57 % of base) : 20345.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon,System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[System.__Canon],int):ubyte:this (FullOpts)
          55 (13.25 % of base) : 21734.dasm - Microsoft.CodeAnalysis.RuntimeMembers.SignatureComparer`5[System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:MatchPropertySignature(System.__Canon,System.Collections.Immutable.ImmutableArray`1[ubyte]):ubyte:this (FullOpts)
          52 (0.83 % of base) : 19899.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[System.__Canon,System.__Canon]:ResolveMetadataReferences(System.__Canon,System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon],byref,byref,byref,byref,byref,Microsoft.CodeAnalysis.DiagnosticBag):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+ResolvedReference[System.__Canon,System.__Canon]]:this (FullOpts)
          52 (4.84 % of base) : 21530.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceAttributeData:<GetTargetAttributeSignatureIndex>g__matches|28_0(ubyte[],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],byref,byref):ubyte:this (FullOpts)
          46 (1.68 % of base) : 1266.dasm - BepuPhysics.IslandSleeper:CollectIsland[BepuPhysics.IslandSleeper+TraversalTest`1[BepuPhysics.IslandSleeper+SleepPredicate]](BepuUtilities.Memory.BufferPool,int,byref,byref,byref):ubyte:this (FullOpts)
          44 (4.59 % of base) : 16506.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.Net.Http.HttpConnectionPoolManager+HttpConnectionKey,System.__Canon]:TryGetValue(System.Net.Http.HttpConnectionPoolManager+HttpConnectionKey,byref):ubyte:this (FullOpts)
          36 (7.64 % of base) : 7587.dasm - System.Collections.Generic.Dictionary`2[System.__Canon,FSharp.Compiler.Text.Range]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,FSharp.Compiler.Text.Range][],int):this (FullOpts)
          36 (8.00 % of base) : 33774.dasm - System.Management.Automation.Interpreter.HybridReferenceDictionary`2[System.__Canon,System.__Canon]:set_Item(System.__Canon,System.__Canon):this (FullOpts)
          33 (1.76 % of base) : 17458.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.Net.Http.HttpConnectionPoolManager+HttpConnectionKey,System.__Canon]:TryRemoveInternal(System.Net.Http.HttpConnectionPoolManager+HttpConnectionKey,byref,ubyte,System.__Canon):ubyte:this (FullOpts)
          33 (3.91 % of base) : 17253.dasm - System.Collections.Concurrent.Partitioner+DynamicPartitionerForIEnumerable`1+InternalPartitionEnumerable[System.__Canon]:GrabChunk_Buffered(System.Collections.Generic.KeyValuePair`2[long,System.__Canon][],int,byref):ubyte:this (FullOpts)
          33 (7.35 % of base) : 8731.dasm - System.Collections.Generic.Dictionary`2[long,System.__Canon]:Remove(long):ubyte:this (FullOpts)
          31 (2.80 % of base) : 152.dasm - System.Number:TryParseBinaryIntegerStyle[ushort,int](System.ReadOnlySpan`1[ushort],int,System.Globalization.NumberFormatInfo,byref):int (FullOpts)
          30 (3.89 % of base) : 1493.dasm - BepuUtilities.Collections.QuickSort:Sort[BepuPhysics.CollisionDetection.TypeBatchIndex,BepuPhysics.CollisionDetection.ConstraintRemover+RemovalsForTypeBatch,BepuPhysics.CollisionDetection.ConstraintRemover+TypeBatchIndexComparer](byref,byref,int,int,byref) (FullOpts)
          30 (11.95 % of base) : 34974.dasm - Microsoft.ApplicationInsights.Metrics.ConcurrentDatastructures.MultidimensionalCube2`1[System.__Canon]:TryGetOrCreatePoint(System.String[]):Microsoft.ApplicationInsights.Metrics.ConcurrentDatastructures.MultidimensionalPointResult`1[System.__Canon]:this (FullOpts)
          30 (5.15 % of base) : 545.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor(int,int,ubyte,System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (FullOpts)

Top method improvements (bytes):
        -182 (-3.26 % of base) : 21007.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (FullOpts)
        -125 (-1.50 % of base) : 11280.dasm - FSharp.Compiler.Lexer:singleQuoteString(FSharp.Compiler.IO.ByteBuffer,FSharp.Compiler.Lexhelp+LexerStringFinisher,FSharp.Compiler.Text.Range,FSharp.Compiler.ParseHelpers+LexerStringKind,FSharp.Compiler.Lexhelp+LexArgs,ubyte,Internal.Utilities.Text.Lexing.LexBuffer`1[ushort]):FSharp.Compiler.Parser+token (FullOpts)
        -117 (-1.64 % of base) : 4839.dasm - FSharp.Compiler.LexFilter:undentationLimit@727(FSharp.Compiler.LexFilter+LexFilterImpl,FSharp.Compiler.LexFilter+Context,ubyte,Microsoft.FSharp.Collections.FSharpList`1[FSharp.Compiler.LexFilter+Context]):FSharp.Compiler.LexFilter+PositionWithColumn (FullOpts)
         -96 (-1.59 % of base) : 14783.dasm - SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.HuffmanScanDecoder:ParseProgressiveDataNonInterleaved():this (FullOpts)
         -48 (-0.50 % of base) : 31802.dasm - System.Text.RegularExpressions.RegexInterpreter:TryMatchAtCurrentPosition(System.ReadOnlySpan`1[ushort]):ubyte:this (FullOpts)
         -34 (-5.55 % of base) : 19060.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts)
         -34 (-3.86 % of base) : 13971.dasm - System.Number:TryParseBinaryIntegerHexOrBinaryNumberStyle[ushort,uint,System.Number+HexParser`1[uint]](System.ReadOnlySpan`1[ushort],int,byref):int (FullOpts)
         -29 (-3.77 % of base) : 21400.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (FullOpts)
         -27 (-0.57 % of base) : 21588.dasm - Microsoft.CodeAnalysis.CSharp.NullableWalker:<VisitArguments>g__visitArguments|231_0(Microsoft.CodeAnalysis.CSharp.BoundNode,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Conversion],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],System.Collections.Immutable.ImmutableArray`1[ubyte],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol],System.Collections.Immutable.ImmutableArray`1[int],Microsoft.CodeAnalysis.BitVector,ubyte,ubyte,Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,ubyte):System.ValueTuple`4[Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.NullableWalker+VisitArgumentResult],ubyte,Microsoft.CodeAnalysis.CSharp.NullableWalker+ArgumentsCompletionDelegate]:this (FullOpts)
         -26 (-1.73 % of base) : 25539.dasm - Microsoft.CodeAnalysis.CSharp.MethodTypeInferrer:Fix(Microsoft.CodeAnalysis.CSharp.CSharpCompilation,Microsoft.CodeAnalysis.CSharp.ConversionsBase,Microsoft.CodeAnalysis.CSharp.Symbols.TypeParameterSymbol,System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations],System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations],System.Collections.Generic.HashSet`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations],byref):System.ValueTuple`2[Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations,ubyte] (FullOpts)
         -26 (-0.38 % of base) : 15667.dasm - Microsoft.ML.Trainers.SdcaMulticlassTrainerBase`1[System.__Canon]:TrainWithoutLock(Microsoft.ML.Runtime.IProgressChannelProvider,Microsoft.ML.Trainers.FloatLabelCursor+Factory,System.Random,Microsoft.ML.Trainers.SdcaTrainerBase`3+IdToIdxLookup[System.__Canon,System.__Canon,System.__Canon],int,Microsoft.ML.Trainers.SdcaTrainerBase`3+DualsTableBase[System.__Canon,System.__Canon,System.__Canon],float[],float[],float,Microsoft.ML.Data.VBuffer`1[float][],float[],Microsoft.ML.Data.VBuffer`1[float][],float[],float[]):this (FullOpts)
         -24 (-1.77 % of base) : 23896.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEEventSymbol:GetAssociatedField(Roslyn.Utilities.MultiDictionary`2[System.String,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEFieldSymbol],ubyte):Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEFieldSymbol:this (FullOpts)
         -23 (-0.52 % of base) : 31591.dasm - System.Text.RegularExpressions.CompiledRegexRunner:Regex1_TryMatchAtCurrentPosition(System.Text.RegularExpressions.RegexRunner,System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
         -22 (-1.67 % of base) : 2154.dasm - System.DefaultBinder:SelectMethod(int,System.Reflection.MethodBase[],System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodBase:this (FullOpts)
         -21 (-2.47 % of base) : 22780.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (FullOpts)
         -21 (-1.03 % of base) : 14815.dasm - SixLabors.ImageSharp.Processing.Processors.Dithering.OrderedDither:SixLabors.ImageSharp.Processing.Processors.Dithering.IDither.ApplyPaletteDither[SixLabors.ImageSharp.Processing.Processors.Dithering.PaletteDitherProcessor`1+DitherProcessor[SixLabors.ImageSharp.PixelFormats.Rgba32],SixLabors.ImageSharp.PixelFormats.Rgba32](byref,SixLabors.ImageSharp.ImageFrame`1[SixLabors.ImageSharp.PixelFormats.Rgba32],SixLabors.ImageSharp.Rectangle):this (FullOpts)
         -21 (-1.54 % of base) : 14711.dasm - SixLabors.ImageSharp.Processing.Processors.Quantization.WuQuantizer`1[SixLabors.ImageSharp.PixelFormats.Rgba32]:GetQuantizedColor(SixLabors.ImageSharp.PixelFormats.Rgba32,byref):ubyte:this (FullOpts)
         -21 (-3.08 % of base) : 43.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (FullOpts)
         -20 (-2.27 % of base) : 1410.dasm - BepuPhysics.BatchCompressor:DoJob(byref,int,BepuUtilities.Memory.BufferPool):this (FullOpts)
         -20 (-0.09 % of base) : 1119.dasm - BepuPhysics.CollisionDetection.CollisionTasks.BoxCylinderTester:Test(byref,byref,byref,byref,byref,byref,int,byref):this (FullOpts)

Top method regressions (percentages):
          11 (220.00 % of base) : 3356.dasm - Microsoft.FSharp.Core.ExtraTopLevelOperators+dictRefType@200[System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
          10 (200.00 % of base) : 16571.dasm - System.Threading.Tasks.Task`1[System.__Canon]:GetAwaiter():System.Runtime.CompilerServices.TaskAwaiter`1[System.__Canon]:this (FullOpts)
          11 (122.22 % of base) : 4620.dasm - Microsoft.FSharp.Collections.ListModule+groupByRefType@560-4[System.__Canon]:Invoke(Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]):System.__Canon:this (FullOpts)
          10 (111.11 % of base) : 19929.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_0(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):uint:this (FullOpts)
          10 (111.11 % of base) : 19931.dasm - Roslyn.Utilities.ImmutableSetWithInsertionOrder`1+<>c[System.__Canon]:<get_InInsertionOrder>b__10_1(System.Collections.Generic.KeyValuePair`2[System.__Canon,uint]):System.__Canon:this (FullOpts)
          24 (104.35 % of base) : 18073.dasm - System.Collections.Immutable.ImmutableDictionary`2+<>c[System.__Canon,int]:<.cctor>b__107_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,int]]):this (FullOpts)
          24 (104.35 % of base) : 18022.dasm - System.Collections.Immutable.ImmutableHashSet`1+<>c[System.__Canon]:<.cctor>b__91_0(System.Collections.Generic.KeyValuePair`2[int,System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.__Canon]]):this (FullOpts)
          10 (66.67 % of base) : 18190.dasm - System.Collections.Immutable.ImmutableArray`1+Builder[System.__Canon]:ToImmutable():System.Collections.Immutable.ImmutableArray`1[System.__Canon]:this (FullOpts)
          22 (59.46 % of base) : 26275.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.ValueTuple`2[System.__Canon,ubyte],System.__Canon]:TryGetValue(System.ValueTuple`2[System.__Canon,ubyte],byref):ubyte:this (FullOpts)
          10 (52.63 % of base) : 18166.dasm - Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1[System.__Canon]:GetEnumerator():Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder`1+Enumerator[System.__Canon]:this (FullOpts)
          12 (52.17 % of base) : 34402.dasm - System.Collections.Generic.SortedDictionary`2[int,System.__Canon]:Remove(int):ubyte:this (FullOpts)
          11 (50.00 % of base) : 4617.dasm - Microsoft.FSharp.Collections.ListModule+groupByRefType@560-3[System.__Canon,System.__Canon]:Invoke(System.__Canon):Microsoft.FSharp.Core.CompilerServices.RuntimeHelpers+StructBox`1[System.__Canon]:this (FullOpts)
          10 (47.62 % of base) : 29614.dasm - Microsoft.CodeAnalysis.Collections.OrderedSet`1[System.__Canon]:System.Collections.Generic.IEnumerable<T>.GetEnumerator():System.Collections.Generic.IEnumerator`1[System.__Canon]:this (FullOpts)
          10 (47.62 % of base) : 2699.dasm - Microsoft.FSharp.Collections.FSharpList`1[System.__Canon]:get_Length():int:this (FullOpts)
          12 (44.44 % of base) : 20034.dasm - Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1+Builder[System.__Canon]:ToImmutable():Microsoft.CodeAnalysis.Collections.ImmutableSegmentedHashSet`1[System.__Canon]:this (FullOpts)
          10 (40.00 % of base) : 2652.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,int]:.ctor(System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this (FullOpts)
          11 (39.29 % of base) : 34405.dasm - System.Collections.Generic.SortedDictionary`2+KeyValuePairComparer[int,System.__Canon]:Compare(System.Collections.Generic.KeyValuePair`2[int,System.__Canon],System.Collections.Generic.KeyValuePair`2[int,System.__Canon]):int:this (FullOpts)
          22 (38.60 % of base) : 22656.dasm - System.Collections.Immutable.ImmutableDictionary`2[System.__Canon,System.__Canon]:ContainsKey(System.__Canon):ubyte:this (FullOpts)
          10 (38.46 % of base) : 12532.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[System.__Canon,System.__Canon]:.ctor():this (FullOpts)
          11 (37.93 % of base) : 6779.dasm - <StartupCode$FSharp-Compiler-Service>.$Illib+AddMany@1150[System.__Canon,System.__Canon]:Invoke(Internal.Utilities.Library.LayeredMultiMap`2[System.__Canon,System.__Canon],System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon]):Internal.Utilities.Library.LayeredMultiMap`2[System.__Canon,System.__Canon]:this (FullOpts)

Top method improvements (percentages):
         -19 (-5.56 % of base) : 29991.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol:<TryCalculateSyntaxOffsetOfPositionInInitializer>g__findInitializer|106_0(System.Collections.Immutable.ImmutableArray`1[System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.FieldOrPropertyInitializer]],int,Microsoft.CodeAnalysis.SyntaxTree,byref,byref):ubyte (FullOpts)
         -34 (-5.55 % of base) : 19060.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanUnicodeEscape(ubyte,byref,byref):ushort:this (FullOpts)
          -8 (-4.04 % of base) : 15001.dasm - SixLabors.ImageSharp.Processing.Processors.Convolution.Parameters.BokehBlurKernelDataProvider:CreateComplexKernels(System.Numerics.Vector4[],int,int,float):SixLabors.ImageSharp.Complex64[][] (FullOpts)
         -34 (-3.86 % of base) : 13971.dasm - System.Number:TryParseBinaryIntegerHexOrBinaryNumberStyle[ushort,uint,System.Number+HexParser`1[uint]](System.ReadOnlySpan`1[ushort],int,byref):int (FullOpts)
         -29 (-3.77 % of base) : 21400.dasm - Microsoft.CodeAnalysis.Collections.SegmentedDictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this (FullOpts)
        -182 (-3.26 % of base) : 21007.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.NamespaceOrTypeSymbol:LookupMetadataType(byref):Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol:this (FullOpts)
         -20 (-3.23 % of base) : 19556.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:ScanXmlAttributeText(byref):this (FullOpts)
         -11 (-3.10 % of base) : 27933.dasm - Microsoft.CodeAnalysis.CSharp.MethodTypeInferrer:MakeOutputTypeInferences(Microsoft.CodeAnalysis.CSharp.Binder,Microsoft.CodeAnalysis.CSharp.BoundTupleLiteral,Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations,byref):this (FullOpts)
         -21 (-3.08 % of base) : 43.dasm - System.Text.Unicode.Utf16Utility:GetPointerToFirstInvalidChar(uint,int,byref,byref):uint (FullOpts)
          -6 (-2.99 % of base) : 13.dasm - System.Runtime.CompilerServices.CastHelpers:ChkCastAny(uint,System.Object):System.Object (FullOpts)
         -16 (-2.77 % of base) : 19099.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.DirectiveStack:IsDefined(System.String):int:this (FullOpts)
         -19 (-2.68 % of base) : 5670.dasm - FSharp.Compiler.AbstractIL.IL+SHA1:sha1Hash(FSharp.Compiler.AbstractIL.IL+SHA1+SHAStream):System.Tuple`5[int,int,int,int,int] (FullOpts)
         -11 (-2.65 % of base) : 34085.dasm - System.Management.Automation.PSMethod:GetMethodGroupType(System.Reflection.MethodInfo):System.Type (FullOpts)
         -21 (-2.47 % of base) : 22780.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol:ForceComplete(Microsoft.CodeAnalysis.SourceLocation,System.Threading.CancellationToken):this (FullOpts)
          -6 (-2.28 % of base) : 602.dasm - System.Linq.EnumerableSorter`2[System.__Canon,int]:ComputeKeys(System.__Canon[],int):this (FullOpts)
         -20 (-2.27 % of base) : 1410.dasm - BepuPhysics.BatchCompressor:DoJob(byref,int,BepuUtilities.Memory.BufferPool):this (FullOpts)
          -5 (-2.13 % of base) : 17537.dasm - Microsoft.ML.Internal.Utilities.SequencePool:UIntArrayToLeb128(uint[],int,int,ubyte[],byref) (FullOpts)
          -7 (-1.97 % of base) : 15181.dasm - System.Collections.Generic.Dictionary`2+ValueCollection[System.__Canon,Microsoft.ML.SchemaShape+Column]:CopyTo(Microsoft.ML.SchemaShape+Column[],int):this (FullOpts)
          -7 (-1.97 % of base) : 27814.dasm - Microsoft.CodeAnalysis.CSharp.MethodTypeInferrer:MakeExplicitParameterTypeInferences(Microsoft.CodeAnalysis.CSharp.Binder,Microsoft.CodeAnalysis.CSharp.BoundTupleLiteral,Microsoft.CodeAnalysis.CSharp.Symbols.TypeWithAnnotations,int,byref):ubyte:this (FullOpts)
          -4 (-1.89 % of base) : 21158.dasm - Microsoft.CodeAnalysis.CSharp.Symbol:EarlyDecodeWellKnownAttributeTypes(System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Syntax.AttributeSyntax]):this (FullOpts)