[JitDiff X64] [AndyAyersMS] JIT: support TYP_LONG induction variables in loo ...

[MihuBot]

Job completed in 20 minutes 39 seconds (remote runner delay: 1 minute 3 seconds).
dotnet/runtime#129388
Using arguments: -nuget -jitutils-repo EgorBo/jitutils -jitutils-branch pmi-deterministic-cctors
Main commit: dotnet/runtime@64a41cc
PR commit: AndyAyersMS/runtime@01ac91c

Diffs

Found 104 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 341887664
Total bytes of diff: 341888000
Total bytes of delta: 336 (0.00 % of base)
Total relative delta: 0.22
    diff is a regression.
    relative diff is a regression.


Top file regressions (bytes):
         284 : jose-jwt.dasm (0.22 % of base)
          74 : MimeKit.dasm (0.00 % of base)

Top file improvements (bytes):
         -22 : SharpCompress.dasm (-0.00 % of base)

3 total files with Code Size differences (1 improved, 2 regressed), 688 unchanged.

Top method regressions (bytes):
         242 (28.67 % of base) : jose-jwt.dasm - Jose.AesKeyWrap:Unwrap(byte[],byte[]):byte[] (FullOpts)
          74 (4.65 % of base) : MimeKit.dasm - MimeKit.MessagePartial+<Split>d__11:MoveNext():bool:this (FullOpts)
          42 (5.38 % of base) : jose-jwt.dasm - Jose.AesKeyWrap:Wrap(byte[],byte[]):byte[] (FullOpts)

Top method improvements (bytes):
         -11 (-7.24 % of base) : SharpCompress.dasm - SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong (FullOpts)
         -11 (-9.17 % of base) : SharpCompress.dasm - SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteOptionalBoolVector(System.IO.Stream,bool[]) (FullOpts)

Top method regressions (percentages):
         242 (28.67 % of base) : jose-jwt.dasm - Jose.AesKeyWrap:Unwrap(byte[],byte[]):byte[] (FullOpts)
          42 (5.38 % of base) : jose-jwt.dasm - Jose.AesKeyWrap:Wrap(byte[],byte[]):byte[] (FullOpts)
          74 (4.65 % of base) : MimeKit.dasm - MimeKit.MessagePartial+<Split>d__11:MoveNext():bool:this (FullOpts)

Top method improvements (percentages):
         -11 (-9.17 % of base) : SharpCompress.dasm - SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteOptionalBoolVector(System.IO.Stream,bool[]) (FullOpts)
         -11 (-7.24 % of base) : SharpCompress.dasm - SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong (FullOpts)

5 total methods with Code Size differences (2 improved, 3 regressed), 1838575 unchanged.

--------------------------------------------------------------------------------

Artifacts:

• jit-diffs-pr.zip (1.0 GB)
• jit-diffs-main.zip (1.0 GB)
• diff-frameworks.txt (2 KB)
• ShortDiffsRegressions.md (56 KB)
• ShortDiffsImprovements.md (8 KB)
• LongDiffsRegressions.md (72 KB)

[MihuBot]

Top method regressions

242 (28.67 % of base) - Jose.AesKeyWrap:Unwrap(byte[],byte[]):byte[]

 ; Assembly listing for method Jose.AesKeyWrap:Unwrap(byte[],byte[]):byte[] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 4 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T18] (  5,  5   )     ref  ->  r15         class-hnd single-def <byte[]>
-;  V01 arg1         [V01,T11] (  3, 18   )     ref  ->  rbx         class-hnd single-def <byte[]>
+;  V01 arg1         [V01,T10] (  4, 18   )     ref  ->  rbx         class-hnd single-def <byte[]>
 ;  V02 loc0         [V02,T19] (  4,  7   )     ref  ->  r12         class-hnd single-def <byte[][]>
-;  V03 loc1         [V03,T02] (  6, 66   )     ref  ->  [rbp-0x50]  class-hnd <byte[]>
-;  V04 loc2         [V04,T07] (  5, 38   )     ref  ->  [rbp-0x58]  class-hnd exact spill-single-def <byte[][]>
-;  V05 loc3         [V05,T16] (  3, 11   )    long  ->  r15         single-def
-;* V06 loc4         [V06,T26] (  0,  0   )     int  ->  zero-ref   
-;  V07 loc5         [V07,T08] (  5, 27   )    long  ->  r12        
-;  V08 loc6         [V08,T00] (  9,128   )    long  ->  [rbp-0x30] 
+;  V03 loc1         [V03,T02] ( 10, 66   )     ref  ->  [rbp-0x58]  class-hnd <byte[]>
+;  V04 loc2         [V04,T07] (  7, 38   )     ref  ->  [rbp-0x60]  class-hnd exact spill-single-def <byte[][]>
+;  V05 loc3         [V05,T15] (  4, 11.02)    long  ->  r15         single-def
+;* V06 loc4         [V06,T27] (  0,  0   )     int  ->  zero-ref   
+;  V07 loc5         [V07,T08] (  6, 27.02)    long  ->  r12        
+;  V08 loc6         [V08,T01] ( 16,114.16)    long  ->  [rbp-0x30] 
 ;* V09 loc7         [V09    ] (  0,  0   )    long  ->  zero-ref   
-;  V10 loc8         [V10,T06] (  3, 48   )     ref  ->  [rbp-0x60]  class-hnd spill-single-def <byte[]>
+;  V10 loc8         [V10,T06] (  6, 48   )     ref  ->  [rbp-0x68]  class-hnd <byte[]>
 ;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V12 tmp1         [V12,T23] (  3,  4   )     ref  ->  r14         class-hnd exact single-def "NewArr temp" <System.Object[]>
 ;  V13 tmp2         [V13,T20] (  3,  6   )     ref  ->  rax         class-hnd exact single-def "Single-def Box Helper" <System.Int64>
 ;  V14 tmp3         [V14,T24] (  3,  4   )     ref  ->  r12         class-hnd exact single-def "NewArr temp" <System.Object[]>
-;  V15 tmp4         [V15,T25] (  2,  4   )     int  ->  r14         "impAppendStmt"
+;  V15 tmp4         [V15,T26] (  2,  4   )     int  ->  r14         "impAppendStmt"
 ;  V16 tmp5         [V16,T21] (  3,  6   )     ref  ->  rax         class-hnd exact single-def "Single-def Box Helper" <System.Int64>
 ;* V17 tmp6         [V17    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewArr temp" <byte[][]>
-;  V18 tmp7         [V18,T14] (  2, 16   )     ref  ->  rsi         class-hnd "Strict ordering of exceptions for Array store" <byte[]>
-;  V19 tmp8         [V19,T01] (  4,128   )     ref  ->  [rbp-0x68]  class-hnd exact spill-single-def "NewArr temp" <byte[][]>
-;  V20 tmp9         [V20,T03] (  2, 64   )     ref  ->  rsi         class-hnd "Strict ordering of exceptions for Array store" <byte[]>
+;  V18 tmp7         [V18,T13] (  2, 16   )     ref  ->  rsi         class-hnd "Strict ordering of exceptions for Array store" <byte[]>
+;  V19 tmp8         [V19,T00] (  8,128   )     ref  ->  [rbp-0x70]  class-hnd exact "NewArr temp" <byte[][]>
+;  V20 tmp9         [V20,T03] (  4, 64   )     ref  ->  rsi         class-hnd "Strict ordering of exceptions for Array store" <byte[]>
 ;* V21 tmp10        [V21    ] (  0,  0   )    long  ->  zero-ref    "impAppendStmt"
-;  V22 tmp11        [V22,T04] (  2, 64   )     ref  ->  rax         class-hnd "Strict ordering of exceptions for Array store" <byte[]>
-;  V23 tmp12        [V23,T27] (  4,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <Jose.IntegrityException>
+;  V22 tmp11        [V22,T04] (  4, 64   )     ref  ->  rax         class-hnd "Strict ordering of exceptions for Array store" <byte[]>
+;  V23 tmp12        [V23,T28] (  4,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <Jose.IntegrityException>
 ;* V24 tmp13        [V24    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
-;  V25 tmp14        [V25,T28] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
-;  V26 tmp15        [V26,T29] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
-;  V27 tmp16        [V27,T05] (  2, 64   )     ref  ->  rsi         "argument with side effect"
-;  V28 tmp17        [V28,T30] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
-;  V29 tmp18        [V29,T31] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
-;  V30 cse0         [V30,T13] (  2, 18   )    long  ->  [rbp-0x38]  spill-single-def hoist "CSE #10: moderate"
+;  V25 tmp14        [V25,T29] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
+;  V26 tmp15        [V26,T30] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
+;  V27 tmp16        [V27,T05] (  4, 64   )     ref  ->  rax         "argument with side effect"
+;  V28 tmp17        [V28,T31] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
+;  V29 tmp18        [V29,T32] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
+;  V30 cse0         [V30,T11] (  4, 18.02)    long  ->  [rbp-0x38]  hoist multi-def "CSE #11: moderate"
 ;  V31 cse1         [V31,T22] (  4,  4   )    long  ->  r13         "CSE #03: moderate"
-;  V32 cse2         [V32,T09] (  5, 23   )     int  ->  r13         "CSE #08: moderate"
-;  V33 cse3         [V33,T12] (  3, 18   )    long  ->  [rbp-0x40]  spill-single-def "CSE #11: moderate"
-;  V34 cse4         [V34,T17] (  5,  8   )     int  ->  r15         "CSE #07: moderate"
-;  V35 cse5         [V35,T15] (  3, 12   )     int  ->  rdi         "CSE #09: moderate"
-;  V36 rat0         [V36,T10] (  6, 21   )    long  ->  [rbp-0x48]  "Widened IV V06"
+;  V32 cse2         [V32,T25] (  3,  4   )    long  ->  [rbp-0x40]  spill-single-def "CSE #10: moderate"
+;  V33 cse3         [V33,T17] (  5,  7.16)     int  ->  r13         "CSE #08: moderate"
+;  V34 cse4         [V34,T12] (  4, 18   )    long  ->  [rbp-0x48]  spill-single-def "CSE #12: moderate"
+;  V35 cse5         [V35,T16] (  5,  8   )     int  ->  r15         "CSE #07: moderate"
+;  V36 cse6         [V36,T14] (  3, 12   )     int  ->  rdi         "CSE #09: moderate"
+;  V37 rat0         [V37,T09] (  6, 21   )    long  ->  [rbp-0x50]  "Widened IV V06"
 ;
 ; Lcl frame size = 72
 
 G_M11581_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 72
        lea      rbp, [rsp+0x70]
        mov      r15, rdi
        mov      rbx, rsi
 						;; size=25 bbWeight=1 PerfScore 7.25
 G_M11581_IG02:
        mov      rdi, 0xD1FFAB1E      ; System.Object[]
        mov      esi, 1
        call     CORINFO_HELP_NEWARR_1_PTR
        mov      r14, rax
        mov      rdi, 0xD1FFAB1E      ; System.Int64
        call     CORINFO_HELP_NEWSFAST
        mov      r13d, dword ptr [r15+0x08]
        shl      r13, 3
        mov      qword ptr [rax+0x08], r13
        lea      rdi, bword ptr [r14+0x10]
        mov      rsi, rax
        call     CORINFO_HELP_ASSIGN_REF
        cmp      r13, 128
-       jl       G_M11581_IG16
+       jl       G_M11581_IG21
        mov      r14d, dword ptr [r15+0x08]
        mov      rdi, 0xD1FFAB1E      ; System.Object[]
        mov      esi, 1
        call     CORINFO_HELP_NEWARR_1_PTR
        mov      r12, rax
        mov      rdi, 0xD1FFAB1E      ; System.Int64
        call     CORINFO_HELP_NEWSFAST
        mov      qword ptr [rax+0x08], r13
        lea      rdi, bword ptr [r12+0x10]
        mov      rsi, rax
        call     CORINFO_HELP_ASSIGN_REF
        test     r14b, 7
-       jne      G_M11581_IG17
+       jne      G_M11581_IG22
        mov      rdi, r15
        mov      esi, 8
        mov      rax, 0xD1FFAB1E      ; code for Jose.Arrays:Slice(byte[],int):byte[][]
        call     [rax]Jose.Arrays:Slice(byte[],int):byte[][]
        mov      r12, rax
        mov      r15d, dword ptr [r12+0x08]
        test     r15d, r15d
-       je       G_M11581_IG19
+       je       G_M11581_IG24
        mov      r14, gword ptr [r12+0x10]
        lea      r13d, [r15-0x01]
-       mov      esi, r13d
-       mov      rax, 0xD1FFAB1E      ; byte[][]
+       mov      eax, r13d
        mov      qword ptr [rbp-0x40], rax
-       mov      rdi, rax
+       mov      rsi, rax
+       mov      rcx, 0xD1FFAB1E      ; byte[][]
+       mov      qword ptr [rbp-0x48], rcx
+       mov      rdi, rcx
        call     CORINFO_HELP_NEWARR_1_PTR
-       mov      gword ptr [rbp-0x58], rax
+       mov      gword ptr [rbp-0x60], rax
        mov      ecx, 1
        cmp      r15d, 1
        jg       G_M11581_IG12
-						;; size=234 bbWeight=1 PerfScore 33.50
+						;; size=241 bbWeight=1 PerfScore 34.75
 G_M11581_IG03:
        jmp      G_M11581_IG13
 						;; size=5 bbWeight=0.50 PerfScore 1.00
 G_M11581_IG04:
-       mov      rcx, r15
-       imul     rcx, r12
-       mov      qword ptr [rbp-0x38], rcx
+       cmp      qword ptr [rbp-0x40], rax
+       jle      G_M11581_IG16
+       mov      rdx, r15
+       imul     rdx, r12
        jmp      SHORT G_M11581_IG06
-						;; size=13 bbWeight=2 PerfScore 10.50
+						;; size=19 bbWeight=2 PerfScore 12.50
 G_M11581_IG05:
-       mov      r14, gword ptr [rbp-0x50]
-						;; size=4 bbWeight=8 PerfScore 8.00
+       mov      r14, gword ptr [rbp-0x58]
+						;; size=4 bbWeight=7.92 PerfScore 7.92
 G_M11581_IG06:
+       mov      qword ptr [rbp-0x38], rdx
        mov      qword ptr [rbp-0x30], rax
-       lea      rsi, [rcx+rax+0x01]
+       lea      rsi, [rdx+rax+0x01]
        mov      rdi, r14
-       mov      rdx, 0xD1FFAB1E      ; code for Jose.Arrays:Xor(byte[],long):byte[]
-       call     [rdx]Jose.Arrays:Xor(byte[],long):byte[]
+       mov      r8, 0xD1FFAB1E      ; code for Jose.Arrays:Xor(byte[],long):byte[]
+       call     [r8]Jose.Arrays:Xor(byte[],long):byte[]
        mov      r14, rax
-       mov      rdi, qword ptr [rbp-0x40]
+       mov      rdi, qword ptr [rbp-0x48]
        mov      esi, 2
        call     CORINFO_HELP_NEWARR_1_PTR
-       mov      gword ptr [rbp-0x68], rax
+       mov      gword ptr [rbp-0x70], rax
        lea      rdi, bword ptr [rax+0x10]
        mov      rsi, r14
        call     CORINFO_HELP_ASSIGN_REF
-       mov      edi, r13d
-       mov      r14, qword ptr [rbp-0x30]
-       cmp      r14, rdi
-       jae      G_M11581_IG19
-       mov      rax, gword ptr [rbp-0x58]
-       mov      rsi, gword ptr [rax+8*r14+0x10]
-       mov      rcx, gword ptr [rbp-0x68]
+       mov      r14, gword ptr [rbp-0x60]
+       mov      rax, qword ptr [rbp-0x30]
+       mov      rsi, gword ptr [r14+8*rax+0x10]
+       mov      rcx, gword ptr [rbp-0x70]
        lea      rdi, bword ptr [rcx+0x18]
        call     CORINFO_HELP_ASSIGN_REF
-       mov      rdi, gword ptr [rbp-0x68]
+       mov      rdi, gword ptr [rbp-0x70]
        mov      rax, 0xD1FFAB1E      ; code for Jose.Arrays:Concat(byte[][]):byte[]
        call     [rax]Jose.Arrays:Concat(byte[][]):byte[]
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for Jose.AesKeyWrap:AesDec(byte[],byte[]):byte[]
        call     [rax]Jose.AesKeyWrap:AesDec(byte[],byte[]):byte[]
-       mov      gword ptr [rbp-0x60], rax
+       mov      gword ptr [rbp-0x68], rax
        mov      rdi, rax
        mov      rcx, 0xD1FFAB1E      ; code for Jose.Arrays:FirstHalf(byte[]):byte[]
        call     [rcx]Jose.Arrays:FirstHalf(byte[]):byte[]
-       mov      gword ptr [rbp-0x50], rax
-       mov      rdi, gword ptr [rbp-0x60]
+       mov      gword ptr [rbp-0x58], rax
+       mov      rdi, gword ptr [rbp-0x68]
        mov      rcx, 0xD1FFAB1E      ; code for Jose.Arrays:SecondHalf(byte[]):byte[]
        call     [rcx]Jose.Arrays:SecondHalf(byte[]):byte[]
-       mov      rcx, gword ptr [rbp-0x58]
-       lea      rdi, bword ptr [rcx+8*r14+0x10]
+       mov      rcx, qword ptr [rbp-0x30]
+       lea      rdi, bword ptr [r14+8*rcx+0x10]
        mov      rsi, rax
-						;; size=180 bbWeight=16 PerfScore 620.00
-G_M11581_IG07:
        call     CORINFO_HELP_ASSIGN_REF
-       dec      r14
-       mov      rax, r14
-       mov      rcx, qword ptr [rbp-0x38]
+						;; size=178 bbWeight=15.84 PerfScore 621.72
+G_M11581_IG07:
+       mov      rcx, qword ptr [rbp-0x30]
+       dec      rcx
+       mov      rax, rcx
+       mov      rdx, qword ptr [rbp-0x38]
        jns      G_M11581_IG05
-						;; size=21 bbWeight=16 PerfScore 56.00
+						;; size=20 bbWeight=15.84 PerfScore 55.44
 G_M11581_IG08:
        dec      r12
-       mov      r14, gword ptr [rbp-0x50]
+       mov      r14, gword ptr [rbp-0x58]
        jns      G_M11581_IG14
 						;; size=13 bbWeight=8 PerfScore 18.00
 G_M11581_IG09:
        mov      rdi, 0xD1FFAB1E      ; const ptr
        mov      rdi, gword ptr [rdi]
        mov      rsi, r14
        mov      rax, 0xD1FFAB1E      ; code for Jose.Arrays:ConstantTimeEquals(byte[],byte[]):bool
        call     [rax]Jose.Arrays:ConstantTimeEquals(byte[],byte[]):bool
        test     eax, eax
-       je       G_M11581_IG18
-       mov      rdi, gword ptr [rbp-0x58]
+       je       G_M11581_IG23
+       mov      rdi, gword ptr [rbp-0x60]
        mov      rax, 0xD1FFAB1E      ; code for Jose.Arrays:Concat(byte[][]):byte[]
 						;; size=50 bbWeight=1 PerfScore 8.25
 G_M11581_IG10:
        add      rsp, 72
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        tail.jmp [rax]Jose.Arrays:Concat(byte[][]):byte[]
 						;; size=17 bbWeight=1 PerfScore 5.25
 G_M11581_IG11:
-       mov      rax, gword ptr [rbp-0x58]
+       mov      rax, gword ptr [rbp-0x60]
 						;; size=4 bbWeight=2 PerfScore 2.00
 G_M11581_IG12:
        mov      rsi, gword ptr [r12+8*rcx+0x10]
-       mov      qword ptr [rbp-0x48], rcx
+       mov      qword ptr [rbp-0x50], rcx
        lea      edi, [rcx-0x01]
        cmp      edi, r13d
-       jae      G_M11581_IG19
+       jae      G_M11581_IG24
        lea      rdi, bword ptr [rax+8*rdi+0x10]
        call     CORINFO_HELP_ASSIGN_REF
-       mov      rsi, qword ptr [rbp-0x48]
+       mov      rsi, qword ptr [rbp-0x50]
        inc      esi
        cmp      r15d, esi
        mov      rcx, rsi
        jg       SHORT G_M11581_IG11
 						;; size=45 bbWeight=4 PerfScore 38.00
 G_M11581_IG13:
        mov      r15d, r13d
        mov      r12d, 5
 						;; size=9 bbWeight=1 PerfScore 0.50
 G_M11581_IG14:
        lea      rax, [r15-0x01]
        test     rax, rax
        jge      G_M11581_IG04
 						;; size=13 bbWeight=8 PerfScore 14.00
 G_M11581_IG15:
-       mov      gword ptr [rbp-0x50], r14
+       mov      gword ptr [rbp-0x58], r14
+       mov      r14, gword ptr [rbp-0x60]
        jmp      G_M11581_IG08
-						;; size=9 bbWeight=4 PerfScore 12.00
+						;; size=13 bbWeight=4 PerfScore 16.00
 G_M11581_IG16:
+       mov      rdx, r15
+       imul     rdx, r12
+       jmp      SHORT G_M11581_IG18
+						;; size=9 bbWeight=0.02 PerfScore 0.09
+G_M11581_IG17:
+       mov      r14, gword ptr [rbp-0x58]
+						;; size=4 bbWeight=0.08 PerfScore 0.08
+G_M11581_IG18:
+       mov      qword ptr [rbp-0x38], rdx
+       mov      qword ptr [rbp-0x30], rax
+       lea      rsi, [rdx+rax+0x01]
+       mov      rdi, r14
+       mov      r8, 0xD1FFAB1E      ; code for Jose.Arrays:Xor(byte[],long):byte[]
+       call     [r8]Jose.Arrays:Xor(byte[],long):byte[]
+       mov      r14, rax
+       mov      rdi, qword ptr [rbp-0x48]
+       mov      esi, 2
+       call     CORINFO_HELP_NEWARR_1_PTR
+       mov      gword ptr [rbp-0x70], rax
+       lea      rdi, bword ptr [rax+0x10]
+       mov      rsi, r14
+       call     CORINFO_HELP_ASSIGN_REF
+       mov      edi, r13d
+       mov      r14, qword ptr [rbp-0x30]
+       cmp      r14, rdi
+       jae      G_M11581_IG24
+       mov      rax, gword ptr [rbp-0x60]
+       mov      rsi, gword ptr [rax+8*r14+0x10]
+       mov      rcx, gword ptr [rbp-0x70]
+       lea      rdi, bword ptr [rcx+0x18]
+       call     CORINFO_HELP_ASSIGN_REF
+       mov      rdi, gword ptr [rbp-0x70]
+       mov      rax, 0xD1FFAB1E      ; code for Jose.Arrays:Concat(byte[][]):byte[]
+       call     [rax]Jose.Arrays:Concat(byte[][]):byte[]
+       mov      rsi, rax
+       mov      rdi, rbx
+       mov      rax, 0xD1FFAB1E      ; code for Jose.AesKeyWrap:AesDec(byte[],byte[]):byte[]
+       call     [rax]Jose.AesKeyWrap:AesDec(byte[],byte[]):byte[]
+       mov      gword ptr [rbp-0x68], rax
+       mov      rdi, rax
+       mov      rcx, 0xD1FFAB1E      ; code for Jose.Arrays:FirstHalf(byte[]):byte[]
+       call     [rcx]Jose.Arrays:FirstHalf(byte[]):byte[]
+       mov      gword ptr [rbp-0x58], rax
+       mov      rdi, gword ptr [rbp-0x68]
+       mov      rcx, 0xD1FFAB1E      ; code for Jose.Arrays:SecondHalf(byte[]):byte[]
+       call     [rcx]Jose.Arrays:SecondHalf(byte[]):byte[]
+       mov      rcx, gword ptr [rbp-0x60]
+       lea      rdi, bword ptr [rcx+8*r14+0x10]
+						;; size=182 bbWeight=0.16 PerfScore 6.32
+G_M11581_IG19:
+       mov      rsi, rax
+       call     CORINFO_HELP_ASSIGN_REF
+       dec      r14
+       mov      rax, r14
+       mov      rdx, qword ptr [rbp-0x38]
+       jns      G_M11581_IG17
+						;; size=24 bbWeight=0.16 PerfScore 0.60
+G_M11581_IG20:
+       mov      r14, gword ptr [rbp-0x60]
+       jmp      G_M11581_IG08
+						;; size=9 bbWeight=0.08 PerfScore 0.24
+G_M11581_IG21:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rsi, r14
        mov      rdi, 0xD1FFAB1E      ; 'AesKeyWrap.Unwrap() expects content length not less than 128 bi'
        mov      rax, 0xD1FFAB1E      ; code for System.String:Format(System.String,System.Object[]):System.String
        call     [rax]System.String:Format(System.String,System.Object[]):System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:.ctor(System.String):this
        call     [rax]System.ArgumentException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=70 bbWeight=0 PerfScore 0.00
-G_M11581_IG17:
+G_M11581_IG22:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rsi, r12
        mov      rdi, 0xD1FFAB1E      ; 'AesKeyWrap.Unwrap() expects content length to be divisable by 8'
        mov      rax, 0xD1FFAB1E      ; code for System.String:Format(System.String,System.Object[]):System.String
        call     [rax]System.String:Format(System.String,System.Object[]):System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:.ctor(System.String):this
        call     [rax]System.ArgumentException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=70 bbWeight=0 PerfScore 0.00
-G_M11581_IG18:
+G_M11581_IG23:
        mov      rdi, 0xD1FFAB1E      ; Jose.IntegrityException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Exception:.ctor():this
        call     [rax]System.Exception:.ctor():this
        mov      rdi, 0xD1FFAB1E      ; 'AesKeyWrap integrity check failed.'
        mov      gword ptr [rbx+0x10], rdi
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=56 bbWeight=0 PerfScore 0.00
-G_M11581_IG19:
+G_M11581_IG24:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 844, prolog size 25, PerfScore 834.25, instruction count 188, allocated bytes for code 844 (MethodHash=1739d2c2) for method Jose.AesKeyWrap:Unwrap(byte[],byte[]):byte[] (FullOpts)
+; Total bytes of code 1086, prolog size 25, PerfScore 849.90, instruction count 243, allocated bytes for code 1086 (MethodHash=1739d2c2) for method Jose.AesKeyWrap:Unwrap(byte[],byte[]):byte[] (FullOpts)
 ; ============================================================

74 (4.65 % of base) - MimeKit.MessagePartial+d__11:MoveNext():bool:this

 ; Assembly listing for method MimeKit.MessagePartial+<Split>d__11:MoveNext():bool:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 20 single block inlinees; 14 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T02] ( 38, 24   )     ref  ->  [rbp-0x38]  this class-hnd EH-live single-def <MimeKit.MessagePartial+<Split>d__11>
 ;* V01 loc0         [V01    ] (  0,  0   )     int  ->  zero-ref   
-;  V02 loc1         [V02,T29] (  3,  3   )     ref  ->  rbx         class-hnd single-def <MimeKit.FormatOptions>
+;  V02 loc1         [V02,T28] (  3,  3   )     ref  ->  rbx         class-hnd single-def <MimeKit.FormatOptions>
 ;  V03 loc2         [V03,T08] (  7, 21   )     ref  ->  r15         class-hnd single-def <System.Array>
-;  V04 loc3         [V04,T16] (  6, 16   )     ref  ->  [rbp-0x40]  class-hnd exact EH-live single-def <System.IO.MemoryStream>
-;  V05 loc4         [V05,T05] (  5, 22.50)     ref  ->  r15         class-hnd single-def <byte[]>
-;  V06 loc5         [V06,T13] (  6, 18.50)    long  ->  rbx        
-;  V07 loc6         [V07,T15] (  5, 16.50)     int  ->  r14        
-;  V08 loc7         [V08,T14] (  7, 18   )     int  ->  rsi        
+;  V04 loc3         [V04,T15] (  6, 16   )     ref  ->  [rbp-0x40]  class-hnd exact EH-live single-def <System.IO.MemoryStream>
+;  V05 loc4         [V05,T05] (  9, 24.68)     ref  ->  r15         class-hnd single-def <byte[]>
+;  V06 loc5         [V06,T12] (  6, 18.50)    long  ->  rbx        
+;  V07 loc6         [V07,T14] (  5, 16.50)     int  ->  r14        
+;  V08 loc7         [V08,T13] (  7, 18   )     int  ->  rsi        
 ;* V09 loc8         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Threading.CancellationToken>
-;  V10 loc9         [V10,T06] (  7, 22   )    long  ->  r14        
-;  V11 loc10        [V11,T00] (  9, 88   )    long  ->  rdi        
-;  V12 loc11        [V12,T42] (  3,  1.50)     ref  ->  rbx         class-hnd <MimeKit.MimeMessage>
+;  V10 loc9         [V10,T03] (  9, 26   )    long  ->  r14        
+;  V11 loc10        [V11,T00] ( 13, 72.16)    long  ->  rdi        
+;  V12 loc11        [V12,T41] (  3,  1.50)     ref  ->  rbx         class-hnd <MimeKit.MimeMessage>
 ;* V13 loc12        [V13    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <MimeKit.MessagePartial>
-;  V14 loc13        [V14,T45] (  3,  0   )     int  ->  rsi        
+;  V14 loc13        [V14,T44] (  3,  0   )     int  ->  rsi        
 ;# V15 OutArgs      [V15    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V16 tmp1         [V16    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
-;  V17 tmp2         [V17,T36] (  2,  2   )     ref  ->  r15         class-hnd exact single-def "impAppendStmt" <System.String>
-;  V18 tmp3         [V18,T40] (  2,  2   )     int  ->  r14         "impAppendStmt"
-;  V19 tmp4         [V19,T26] (  4,  4   )     ref  ->  [rbp-0x48]  class-hnd exact spill-single-def "NewObj constructor temp" <MimeKit.MessagePartial>
-;  V20 tmp5         [V20,T41] (  2,  2   )     int  ->  r12         "finalizable newobj spill"
-;  V21 tmp6         [V21,T30] (  3,  3   )     ref  ->  r14         class-hnd exact single-def "NewObj constructor temp" <MimeKit.MimeContent>
-;  V22 tmp7         [V22,T37] (  2,  2   )     ref  ->  r15         class-hnd single-def "finalizable newobj spill" <System.IO.Stream>
+;  V17 tmp2         [V17,T35] (  2,  2   )     ref  ->  r15         class-hnd exact single-def "impAppendStmt" <System.String>
+;  V18 tmp3         [V18,T39] (  2,  2   )     int  ->  r14         "impAppendStmt"
+;  V19 tmp4         [V19,T25] (  4,  4   )     ref  ->  [rbp-0x48]  class-hnd exact spill-single-def "NewObj constructor temp" <MimeKit.MessagePartial>
+;  V20 tmp5         [V20,T40] (  2,  2   )     int  ->  r12         "finalizable newobj spill"
+;  V21 tmp6         [V21,T29] (  3,  3   )     ref  ->  r14         class-hnd exact single-def "NewObj constructor temp" <MimeKit.MimeContent>
+;  V22 tmp7         [V22,T36] (  2,  2   )     ref  ->  r15         class-hnd single-def "finalizable newobj spill" <System.IO.Stream>
 ;* V23 tmp8         [V23    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "impSpillSpecialSideEff" <System.Object>
 ;* V24 tmp9         [V24    ] (  0,  0   )     int  ->  zero-ref    "non-inline candidate call"
-;  V25 tmp10        [V25,T46] (  2,  0   )     ref  ->  rdi         class-hnd "impAppendStmt" <System.Collections.Generic.List`1[System.IO.Stream]>
-;  V26 tmp11        [V26,T03] (  4, 26   )     ref  ->  r13         "inline UNBOX clone1"
-;  V27 tmp12        [V27,T20] ( 14, 14   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <System.IO.MemoryStream>
-;  V28 tmp13        [V28,T31] (  3,  3   )     ref  ->  rsi         class-hnd single-def "impAppendStmt" <MimeKit.MimeMessage>
-;  V29 tmp14        [V29,T32] (  3,  3   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.IO.Stream]>
-;  V30 tmp15        [V30,T04] (  4, 24   )     ref  ->  r12         class-hnd exact "NewObj constructor temp" <MimeKit.IO.BoundStream>
+;  V25 tmp10        [V25,T45] (  2,  0   )     ref  ->  rdi         class-hnd "impAppendStmt" <System.Collections.Generic.List`1[System.IO.Stream]>
+;  V26 tmp11        [V26,T04] (  4, 26   )     ref  ->  r13         "inline UNBOX clone1"
+;  V27 tmp12        [V27,T19] ( 14, 14   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <System.IO.MemoryStream>
+;  V28 tmp13        [V28,T30] (  3,  3   )     ref  ->  rsi         class-hnd single-def "impAppendStmt" <MimeKit.MimeMessage>
+;  V29 tmp14        [V29,T31] (  3,  3   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.IO.Stream]>
+;  V30 tmp15        [V30,T06] (  4, 24   )     ref  ->  r12         class-hnd exact "NewObj constructor temp" <MimeKit.IO.BoundStream>
 ;  V31 tmp16        [V31,T01] (  7, 48   )     ref  ->  [rbp-0x50]  class-hnd spill-single-def "impAppendStmt" <System.Collections.Generic.List`1[System.IO.Stream]>
-;  V32 tmp17        [V32,T38] (  2,  2   )     ref  ->  rsi         class-hnd exact single-def "dup spill" <System.String>
+;  V32 tmp17        [V32,T37] (  2,  2   )     ref  ->  rsi         class-hnd exact single-def "dup spill" <System.String>
 ;* V33 tmp18        [V33    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V34 tmp19        [V34,T35] (  4,  2   )     ref  ->  rsi        
+;  V34 tmp19        [V34,T34] (  4,  2   )     ref  ->  rsi        
 ;* V35 tmp20        [V35    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "impSpillSpecialSideEff" <System.Object>
-;  V36 tmp21        [V36,T43] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentOutOfRangeException>
-;  V37 tmp22        [V37,T44] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentNullException>
-;  V38 tmp23        [V38,T28] (  2,  4   )     int  ->  rdi         "Inline return value spill temp"
+;  V36 tmp21        [V36,T42] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentOutOfRangeException>
+;  V37 tmp22        [V37,T43] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentNullException>
+;  V38 tmp23        [V38,T27] (  2,  4   )     int  ->  rdi         "Inline return value spill temp"
 ;* V39 tmp24        [V39    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;  V40 tmp25        [V40,T09] (  3, 20   )     int  ->  rdi         "impAppendStmt"
-;  V41 tmp26        [V41,T18] (  2, 16   )   byref  ->  rdi         "Inlining Arg"
-;  V42 tmp27        [V42,T22] (  3, 12   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.HashSet`1[int]>
+;  V41 tmp26        [V41,T17] (  2, 16   )   byref  ->  rdi         "Inlining Arg"
+;  V42 tmp27        [V42,T21] (  3, 12   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.HashSet`1[int]>
 ;  V43 tmp28        [V43    ] (  1,  2   )     int  ->  [rbp-0x30]  do-not-enreg[X] must-init addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
 ;* V44 tmp29        [V44    ] (  0,  0   )  struct ( 8) zero-ref    "Inlining Arg" <System.Threading.CancellationToken>
 ;* V45 tmp30        [V45    ] (  0,  0   )    long  ->  zero-ref    single-def "Inline stloc first use temp"
 ;* V46 tmp31        [V46    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
-;  V47 tmp32        [V47,T39] (  2,  2   )   byref  ->  rax         single-def "Inlining Arg"
-;  V48 tmp33        [V48,T24] (  3,  8   )    long  ->  r14         "Inline return value spill temp"
+;  V47 tmp32        [V47,T38] (  2,  2   )   byref  ->  rax         single-def "Inlining Arg"
+;  V48 tmp33        [V48,T23] (  3,  8   )    long  ->  r14         "Inline return value spill temp"
 ;  V49 tmp34        [V49,T10] (  3, 20   )    long  ->  r14         "Inlining Arg"
 ;  V50 tmp35        [V50,T11] (  3, 20   )    long  ->  r12         "Inlining Arg"
-;  V51 tmp36        [V51,T23] (  3, 10   )     ref  ->  rdi         class-hnd "Inline stloc first use temp" <System.IO.Stream[]>
-;  V52 tmp37        [V52,T21] (  4, 12   )     int  ->  rax         "Inline stloc first use temp"
+;  V51 tmp36        [V51,T22] (  3, 10   )     ref  ->  rdi         class-hnd "Inline stloc first use temp" <System.IO.Stream[]>
+;  V52 tmp37        [V52,T20] (  4, 12   )     int  ->  rax         "Inline stloc first use temp"
 ;* V53 tmp38        [V53    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.IO.Stream]>
-;  V54 tmp39        [V54,T27] (  4,  4   )     int  ->  rax         "Inlining Arg"
-;  V55 tmp40        [V55,T33] (  3,  3   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.List`1[System.IO.Stream]>
+;  V54 tmp39        [V54,T26] (  4,  4   )     int  ->  rax         "Inlining Arg"
+;  V55 tmp40        [V55,T32] (  3,  3   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.List`1[System.IO.Stream]>
 ;* V56 tmp41        [V56    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.IO.Stream]>
 ;* V57 tmp42        [V57    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V09._source (fldOffset=0x0)" P-INDEP
 ;* V58 tmp43        [V58    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V44._source (fldOffset=0x0)" P-INDEP
-;  V59 tmp44        [V59,T19] (  2, 16   )    long  ->  rsi         "argument with side effect"
-;  V60 tmp45        [V60,T34] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
-;  V61 cse0         [V61,T17] (  4, 16   )    long  ->  rdi         "CSE #06: moderate"
-;  V62 cse1         [V62,T07] (  4, 22   )    long  ->  rcx         hoist multi-def "CSE #09: moderate"
-;  V63 cse2         [V63,T12] (  3, 20   )    long  ->  rax         "CSE #07: moderate"
-;  V64 rat0         [V64,T25] (  3,  5.50)     int  ->  rax         "ReplaceWithLclVar is creating a new local variable"
+;  V59 tmp44        [V59,T18] (  2, 16   )    long  ->  rsi         "argument with side effect"
+;  V60 tmp45        [V60,T33] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
+;  V61 cse0         [V61,T16] (  4, 16   )    long  ->  rdi         "CSE #06: moderate"
+;  V62 cse1         [V62,T07] (  5, 22   )    long  ->  rax         "CSE #07: moderate"
+;  V63 rat0         [V63,T24] (  3,  5.50)     int  ->  rax         "ReplaceWithLclVar is creating a new local variable"
 ;
 ; Lcl frame size = 40
 
 G_M59980_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+0x50]
        xor      eax, eax
        mov      qword ptr [rbp-0x30], rax
        mov      gword ptr [rbp-0x38], rdi
 						;; size=29 bbWeight=1 PerfScore 9.00
 G_M59980_IG02:
        mov      eax, dword ptr [rdi+0x30]
        cmp      eax, 2
        ja       SHORT G_M59980_IG06
 						;; size=8 bbWeight=1 PerfScore 3.25
 G_M59980_IG03:
        mov      eax, eax
        lea      rcx, [reloc @RWD00]
        mov      ecx, dword ptr [rcx+4*rax]
        lea      rdx, G_M59980_IG02
        add      rcx, rdx
        jmp      rcx
 						;; size=24 bbWeight=0.75 PerfScore 4.50
 G_M59980_IG04:
        mov      dword ptr [rdi+0x30], -1
        inc      dword ptr [rdi+0x40]
        mov      r13, rdi
-       jmp      G_M59980_IG36
-       align    [1 bytes for IG26]
-						;; size=19 bbWeight=0.50 PerfScore 3.12
+       jmp      G_M59980_IG39
+       align    [14 bytes for IG28]
+						;; size=32 bbWeight=0.50 PerfScore 3.12
 G_M59980_IG05:
        mov      dword ptr [rdi+0x30], -1
 						;; size=7 bbWeight=0.50 PerfScore 0.50
 G_M59980_IG06:
        xor      eax, eax
 						;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M59980_IG07:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
 G_M59980_IG08:
        mov      dword ptr [rdi+0x30], -1
        cmp      gword ptr [rdi+0x10], 0
-       je       G_M59980_IG44
+       je       G_M59980_IG47
        cmp      dword ptr [rdi+0x38], 0
-       jle      G_M59980_IG45
+       jle      G_M59980_IG48
        mov      rax, 0xD1FFAB1E      ; const ptr
        mov      rdi, gword ptr [rax]
        mov      rax, 0xD1FFAB1E      ; code for MimeKit.FormatOptions:Clone():MimeKit.FormatOptions:this
        call     [rax]MimeKit.FormatOptions:Clone():MimeKit.FormatOptions:this
        mov      rbx, rax
        mov      rdi, 0xD1FFAB1E      ; 'MimeKit.HeaderId'
        mov      rax, 0xD1FFAB1E      ; code for System.Enum:GetValuesAsUnderlyingType(System.RuntimeType):System.Array
        call     [rax]System.Enum:GetValuesAsUnderlyingType(System.RuntimeType):System.Array
        mov      r15, rax
        xor      r14d, r14d
        mov      edi, dword ptr [r15+0x08]
        test     edi, edi
-       jl       G_M59980_IG50
+       jl       G_M59980_IG53
        test     edi, edi
        je       G_M59980_IG18
 						;; size=104 bbWeight=0.50 PerfScore 10.62
 G_M59980_IG09:
        mov      rdi, qword ptr [r15]
        mov      edi, dword ptr [rdi+0x04]
        add      edi, -24
        shr      edi, 3
        je       SHORT G_M59980_IG11
 						;; size=14 bbWeight=4 PerfScore 23.00
 G_M59980_IG10:
        cmp      edi, 1
-       jne      G_M59980_IG46
+       jne      G_M59980_IG49
 						;; size=9 bbWeight=2 PerfScore 2.50
 G_M59980_IG11:
        mov      rdi, r15
        mov      esi, r14d
        mov      rax, 0xD1FFAB1E      ; code for System.Array:GetFlattenedIndex(int):nint:this
        call     [rax]System.Array:GetFlattenedIndex(int):nint:this
        mov      rsi, rax
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Array:InternalGetValue(nint):System.Object:this
        call     [rax]System.Array:InternalGetValue(nint):System.Object:this
        mov      r13, rax
        mov      rsi, 0xD1FFAB1E      ; MimeKit.HeaderId
        cmp      qword ptr [r13], rsi
        je       SHORT G_M59980_IG13
 						;; size=55 bbWeight=4 PerfScore 44.00
 G_M59980_IG12:
        mov      rsi, r13
        mov      rdi, 0xD1FFAB1E      ; MimeKit.HeaderId
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_UNBOX
        call     [rax]CORINFO_HELP_UNBOX
 						;; size=25 bbWeight=1 PerfScore 3.75
 G_M59980_IG13:
        mov      esi, dword ptr [r13+0x08]
        cmp      esi, 55
        jle      SHORT G_M59980_IG15
 						;; size=9 bbWeight=4 PerfScore 13.00
 G_M59980_IG14:
        lea      edx, [rsi-0x4D]
        cmp      edx, 1
        jbe      SHORT G_M59980_IG17
        cmp      esi, 113
        je       SHORT G_M59980_IG17
        jmp      SHORT G_M59980_IG16
 						;; size=15 bbWeight=2 PerfScore 10.00
 G_M59980_IG15:
        lea      edx, [rsi-0x18]
        cmp      edx, 16
        jbe      SHORT G_M59980_IG17
        cmp      esi, 55
        je       SHORT G_M59980_IG17
 						;; size=13 bbWeight=2 PerfScore 6.00
 G_M59980_IG16:
        mov      rdi, gword ptr [rbx+0x08]
        cmp      byte  ptr [rdi], dil
        lea      rdx, [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.HashSet`1[int]:AddIfNotPresent(int,byref):bool:this
        call     [rax]System.Collections.Generic.HashSet`1[int]:AddIfNotPresent(int,byref):bool:this
 						;; size=23 bbWeight=2 PerfScore 15.50
 G_M59980_IG17:
        inc      r14d
        mov      edi, dword ptr [r15+0x08]
        test     edi, edi
-       jl       G_M59980_IG50
+       jl       G_M59980_IG53
        cmp      r14d, edi
        jl       G_M59980_IG09
 						;; size=24 bbWeight=4 PerfScore 19.00
 G_M59980_IG18:
        mov      rdi, 0xD1FFAB1E      ; System.IO.MemoryStream
        call     CORINFO_HELP_NEWSFAST
        mov      r15, rax
        mov      rdi, r15
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.IO.MemoryStream:.ctor(int):this
        call     [rax]System.IO.MemoryStream:.ctor(int):this
        mov      gword ptr [rbp-0x40], r15
 						;; size=39 bbWeight=0.50 PerfScore 3.12
 G_M59980_IG19:
        mov      rdi, gword ptr [rbp-0x38]
        mov      rsi, gword ptr [rdi+0x10]
        cmp      byte  ptr [rsi], sil
        mov      rdi, rsi
        mov      rsi, rbx
        mov      rdx, r15
        xor      ecx, ecx
        xor      r8, r8
        mov      rax, 0xD1FFAB1E      ; code for MimeKit.MimeMessage:WriteTo(MimeKit.FormatOptions,System.IO.Stream,bool,System.Threading.CancellationToken):this
        call     [rax]MimeKit.MimeMessage:WriteTo(MimeKit.FormatOptions,System.IO.Stream,bool,System.Threading.CancellationToken):this
        cmp      byte  ptr [r15+0x2B], 0
        je       SHORT G_M59980_IG20
        mov      edx, dword ptr [r15+0x18]
        mov      rdi, r15
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.IO.MemoryStream:SeekCore(long,int):long:this
        call     [rax]System.IO.MemoryStream:SeekCore(long,int):long:this
        jmp      SHORT G_M59980_IG21
 						;; size=67 bbWeight=0.50 PerfScore 10.12
 G_M59980_IG20:
        xor      rdi, rdi
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowObjectDisposedException_StreamClosed(System.String)
        call     [rax]System.ThrowHelper:ThrowObjectDisposedException_StreamClosed(System.String)
        int3     
 						;; size=15 bbWeight=0 PerfScore 0.00
 G_M59980_IG21:
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.IO.MemoryStream:get_Length():long:this
        call     [rax]System.IO.MemoryStream:get_Length():long:this
        mov      rdi, gword ptr [rbp-0x38]
        movsxd   rcx, dword ptr [rdi+0x38]
        cmp      rax, rcx
-       jle      G_M59980_IG40
+       jle      G_M59980_IG43
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.List`1[System.IO.Stream]
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
-       je       G_M59980_IG47
+       je       G_M59980_IG50
 						;; size=69 bbWeight=0.50 PerfScore 6.25
 G_M59980_IG22:
        mov      rdi, 0xD1FFAB1E      ; data for System.Collections.Generic.List`1[System.IO.Stream]:s_emptyArray
        mov      rsi, gword ptr [rdi]
        lea      rdi, bword ptr [rbx+0x08]
        call     CORINFO_HELP_ASSIGN_REF
        mov      rdi, gword ptr [rbp-0x38]
        lea      rdi, bword ptr [rdi+0x20]
        mov      rsi, rbx
        call     CORINFO_HELP_ASSIGN_REF
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.IO.MemoryStream:GetBuffer():byte[]:this
        call     [rax]System.IO.MemoryStream:GetBuffer():byte[]:this
        mov      r15, rax
        xor      ebx, ebx
-       jmp      G_M59980_IG31
+       jmp      G_M59980_IG36
 						;; size=63 bbWeight=0.50 PerfScore 6.25
 G_M59980_IG23:
+       mov      r14, rdi
+       mov      r13, gword ptr [rbp-0x38]
+       movsxd   r12, dword ptr [r13+0x38]
+       add      r12, rbx
+       cmp      r14, r12
+       jg       SHORT G_M59980_IG25
+						;; size=19 bbWeight=4 PerfScore 19.00
+G_M59980_IG24:
+       jmp      SHORT G_M59980_IG26
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M59980_IG25:
        mov      r14, r12
 						;; size=3 bbWeight=2 PerfScore 0.50
-G_M59980_IG24:
+G_M59980_IG26:
        cmp      rdi, r14
-       jle      SHORT G_M59980_IG28
+       jle      SHORT G_M59980_IG30
 						;; size=5 bbWeight=4 PerfScore 5.00
-G_M59980_IG25:
+G_M59980_IG27:
        mov      rdi, r14
        lea      rax, [rbx+0x01]
        cmp      r14, rax
-       jle      SHORT G_M59980_IG27
+       jle      SHORT G_M59980_IG29
+       test     r15, r15
+       je       G_M59980_IG32
+       mov      rcx, r14
+       or       rcx, rax
+       jl       G_M59980_IG32
        mov      ecx, dword ptr [r15+0x08]
-						;; size=16 bbWeight=2 PerfScore 8.00
-G_M59980_IG26:
-       cmp      rdi, rcx
-       jae      G_M59980_IG51
+       cmp      rcx, r14
+       jle      G_M59980_IG32
+						;; size=46 bbWeight=2 PerfScore 16.00
+G_M59980_IG28:
        cmp      byte  ptr [r15+rdi+0x10], 10
-       je       SHORT G_M59980_IG27
+       je       SHORT G_M59980_IG29
        dec      rdi
        cmp      rdi, rax
-       jg       SHORT G_M59980_IG26
-						;; size=25 bbWeight=16 PerfScore 92.00
-G_M59980_IG27:
-       mov      ecx, dword ptr [r15+0x08]
-       cmp      rdi, rcx
-       jae      G_M59980_IG51
+       jg       SHORT G_M59980_IG28
+						;; size=16 bbWeight=15.84 PerfScore 71.28
+G_M59980_IG29:
+       mov      eax, dword ptr [r15+0x08]
+       cmp      rdi, rax
+       jae      G_M59980_IG54
        cmp      byte  ptr [r15+rdi+0x10], 10
-       jne      SHORT G_M59980_IG28
+       jne      SHORT G_M59980_IG30
        lea      r14, [rdi+0x01]
 						;; size=25 bbWeight=2 PerfScore 13.50
-G_M59980_IG28:
+G_M59980_IG30:
        mov      rdi, 0xD1FFAB1E      ; MimeKit.IO.BoundStream
        call     CORINFO_HELP_NEWSFAST
        mov      r12, rax
        mov      rax, gword ptr [r13+0x20]
        mov      gword ptr [rbp-0x50], rax
        mov      rdi, r12
        mov      rsi, gword ptr [rbp-0x40]
        mov      rdx, rbx
        mov      rcx, r14
        mov      r8d, 1
        mov      r9, 0xD1FFAB1E      ; code for MimeKit.IO.BoundStream:.ctor(System.IO.Stream,long,long,bool):this
        call     [r9]MimeKit.IO.BoundStream:.ctor(System.IO.Stream,long,long,bool):this
        mov      rbx, gword ptr [rbp-0x50]
        inc      dword ptr [rbx+0x14]
        mov      rdi, gword ptr [rbx+0x08]
        mov      eax, dword ptr [rbx+0x10]
        cmp      dword ptr [rdi+0x08], eax
-       ja       SHORT G_M59980_IG33
+       jbe      SHORT G_M59980_IG34
 						;; size=77 bbWeight=4 PerfScore 83.00
-G_M59980_IG29:
-       mov      rdi, rbx
-       mov      rsi, r12
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
-       call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
-						;; size=18 bbWeight=2 PerfScore 7.50
-G_M59980_IG30:
-       mov      rbx, r14
-						;; size=3 bbWeight=4 PerfScore 1.00
 G_M59980_IG31:
-       mov      rsi, gword ptr [rbp-0x40]
-       cmp      byte  ptr [rsi+0x2B], 0
-       je       G_M59980_IG48
-       mov      edi, dword ptr [rsi+0x20]
-       sub      edi, dword ptr [rsi+0x18]
-       movsxd   rdi, edi
-       cmp      rdi, rbx
-       jle      SHORT G_M59980_IG34
-       mov      r14, rdi
-       mov      r13, gword ptr [rbp-0x38]
-       movsxd   r12, dword ptr [r13+0x38]
-       add      r12, rbx
-       cmp      r14, r12
-       jg       G_M59980_IG23
-						;; size=51 bbWeight=4 PerfScore 57.00
-G_M59980_IG32:
-       jmp      G_M59980_IG24
-						;; size=5 bbWeight=2 PerfScore 4.00
-G_M59980_IG33:
        lea      esi, [rax+0x01]
        mov      dword ptr [rbx+0x10], esi
        mov      esi, eax
        mov      rdx, r12
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ARRADDR_ST
        call     [rax]CORINFO_HELP_ARRADDR_ST
-       jmp      SHORT G_M59980_IG30
+       jmp      SHORT G_M59980_IG35
 						;; size=25 bbWeight=2 PerfScore 14.50
+G_M59980_IG32:
+       mov      ecx, dword ptr [r15+0x08]
+						;; size=4 bbWeight=0.02 PerfScore 0.04
+G_M59980_IG33:
+       mov      ecx, dword ptr [r15+0x08]
+       cmp      rdi, rcx
+       jae      G_M59980_IG54
+       cmp      byte  ptr [r15+rdi+0x10], 10
+       je       G_M59980_IG29
+       dec      rdi
+       cmp      rdi, rax
+       jle      G_M59980_IG29
+       jmp      SHORT G_M59980_IG33
+						;; size=39 bbWeight=0.16 PerfScore 1.56
 G_M59980_IG34:
+       mov      rdi, rbx
+       mov      rsi, r12
+       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
+       call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
+						;; size=18 bbWeight=2 PerfScore 7.50
+G_M59980_IG35:
+       mov      rbx, r14
+						;; size=3 bbWeight=4 PerfScore 1.00
+G_M59980_IG36:
+       mov      rsi, gword ptr [rbp-0x40]
+       cmp      byte  ptr [rsi+0x2B], 0
+       je       G_M59980_IG51
+       mov      edi, dword ptr [rsi+0x20]
+       sub      edi, dword ptr [rsi+0x18]
+       movsxd   rdi, edi
+       cmp      rdi, rbx
+       jg       G_M59980_IG23
+						;; size=32 bbWeight=4 PerfScore 38.00
+G_M59980_IG37:
        mov      r13, gword ptr [rbp-0x38]
        mov      rdi, gword ptr [r13+0x10]
        mov      rax, 0xD1FFAB1E      ; code for MimeKit.MimeMessage:get_MessageId():System.String:this
        cmp      dword ptr [rdi], edi
        call     [rax]MimeKit.MimeMessage:get_MessageId():System.String:this
        mov      rsi, rax
        test     rsi, rsi
-       jne      SHORT G_M59980_IG35
+       jne      SHORT G_M59980_IG38
        mov      rax, 0xD1FFAB1E      ; code for MimeKit.Utils.MimeUtils:GenerateMessageId():System.String
        call     [rax]MimeKit.Utils.MimeUtils:GenerateMessageId():System.String
        mov      rsi, rax
 						;; size=45 bbWeight=0.50 PerfScore 6.62
-G_M59980_IG35:
+G_M59980_IG38:
        lea      rdi, bword ptr [r13+0x28]
        call     CORINFO_HELP_ASSIGN_REF
        xor      edi, edi
        mov      dword ptr [r13+0x40], edi
 						;; size=15 bbWeight=0.50 PerfScore 1.38
-G_M59980_IG36:
+G_M59980_IG39:
        mov      edi, dword ptr [r13+0x40]
        mov      rax, gword ptr [r13+0x20]
        cmp      edi, dword ptr [rax+0x10]
        jge      G_M59980_IG06
 						;; size=17 bbWeight=0.50 PerfScore 3.50
-G_M59980_IG37:
+G_M59980_IG40:
        mov      rdi, gword ptr [r13+0x10]
        mov      rax, 0xD1FFAB1E      ; code for MimeKit.MessagePartial:CloneMessage(MimeKit.MimeMessage):MimeKit.MimeMessage
        call     [rax]MimeKit.MessagePartial:CloneMessage(MimeKit.MimeMessage):MimeKit.MimeMessage
        mov      rbx, rax
 						;; size=19 bbWeight=0.50 PerfScore 2.75
-G_M59980_IG38:
+G_M59980_IG41:
        mov      r15, gword ptr [r13+0x28]
        mov      r14d, dword ptr [r13+0x40]
        inc      r14d
        mov      rdi, gword ptr [r13+0x20]
        mov      r12d, dword ptr [rdi+0x10]
        mov      rdi, 0xD1FFAB1E      ; MimeKit.MessagePartial
        call     CORINFO_HELP_NEWFAST
        mov      gword ptr [rbp-0x48], rax
        mov      rdi, rax
        mov      rsi, r15
        mov      edx, r14d
        mov      ecx, r12d
        mov      r8, 0xD1FFAB1E      ; code for MimeKit.MessagePartial:.ctor(System.String,int,int):this
        call     [r8]MimeKit.MessagePartial:.ctor(System.String,int,int):this
        mov      rdi, gword ptr [r13+0x20]
        mov      eax, dword ptr [r13+0x40]
        cmp      eax, dword ptr [rdi+0x10]
-       jae      G_M59980_IG49
+       jae      G_M59980_IG52
        mov      rdi, gword ptr [rdi+0x08]
        cmp      eax, dword ptr [rdi+0x08]
-       jae      G_M59980_IG51
+       jae      G_M59980_IG54
        mov      r15, gword ptr [rdi+8*rax+0x10]
        mov      rdi, 0xD1FFAB1E      ; MimeKit.MimeContent
        call     CORINFO_HELP_NEWFAST
        mov      r14, rax
        mov      rdi, r14
        mov      rsi, r15
        xor      edx, edx
        mov      rax, 0xD1FFAB1E      ; code for MimeKit.MimeContent:.ctor(System.IO.Stream,int):this
        call     [rax]MimeKit.MimeContent:.ctor(System.IO.Stream,int):this
        mov      r15, gword ptr [rbp-0x48]
        lea      rdi, bword ptr [r15+0x50]
        mov      rsi, r14
        call     CORINFO_HELP_ASSIGN_REF
        lea      rdi, bword ptr [rbx+0x58]
        mov      rsi, r15
        call     CORINFO_HELP_ASSIGN_REF
        lea      rdi, bword ptr [r13+0x08]
        mov      rsi, rbx
        call     CORINFO_HELP_ASSIGN_REF
        mov      dword ptr [r13+0x30], 2
 						;; size=184 bbWeight=0.50 PerfScore 20.75
-G_M59980_IG39:
-       jmp      SHORT G_M59980_IG42
+G_M59980_IG42:
+       jmp      SHORT G_M59980_IG45
 						;; size=2 bbWeight=0.50 PerfScore 1.00
-G_M59980_IG40:
+G_M59980_IG43:
        mov      byte  ptr [r15+0x2B], 0
        mov      word  ptr [r15+0x28], 0
        xor      eax, eax
        mov      qword ptr [r15+0x30], rax
        mov      rax, qword ptr [r15]
        test     dword ptr [rax], 0xD1FFAB1E
-       je       SHORT G_M59980_IG41
+       je       SHORT G_M59980_IG44
        mov      rdi, r15
        call     System.GC:SuppressFinalizeInternal(System.Object)
 						;; size=37 bbWeight=0.50 PerfScore 4.75
-G_M59980_IG41:
+G_M59980_IG44:
        mov      rdi, gword ptr [rbp-0x38]
        mov      rsi, gword ptr [rdi+0x10]
        lea      rdi, bword ptr [rdi+0x08]
        call     CORINFO_HELP_ASSIGN_REF
        mov      r13, gword ptr [rbp-0x38]
        mov      dword ptr [r13+0x30], 1
 						;; size=29 bbWeight=0.50 PerfScore 3.25
-G_M59980_IG42:
+G_M59980_IG45:
        mov      eax, 1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M59980_IG43:
+G_M59980_IG46:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M59980_IG44:
+G_M59980_IG47:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentNullException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, rbx
        mov      rsi, 0xD1FFAB1E      ; 'message'
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentNullException:.ctor(System.String):this
        call     [rax]System.ArgumentNullException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=52 bbWeight=0 PerfScore 0.00
-G_M59980_IG45:
+G_M59980_IG48:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentOutOfRangeException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, rbx
        mov      rsi, 0xD1FFAB1E      ; 'maxSize'
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentOutOfRangeException:.ctor(System.String):this
        call     [rax]System.ArgumentOutOfRangeException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=52 bbWeight=0 PerfScore 0.00
-G_M59980_IG46:
+G_M59980_IG49:
        mov      edi, 58
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
-G_M59980_IG47:
+G_M59980_IG50:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.List`1[System.IO.Stream]
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      G_M59980_IG22
 						;; size=27 bbWeight=0 PerfScore 0.00
-G_M59980_IG48:
+G_M59980_IG51:
        xor      rdi, rdi
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowObjectDisposedException_StreamClosed(System.String)
        call     [rax]System.ThrowHelper:ThrowObjectDisposedException_StreamClosed(System.String)
        int3     
 						;; size=15 bbWeight=0 PerfScore 0.00
-G_M59980_IG49:
+G_M59980_IG52:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRange_IndexMustBeLessException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRange_IndexMustBeLessException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
-G_M59980_IG50:
+G_M59980_IG53:
        call     CORINFO_HELP_OVERFLOW
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
-G_M59980_IG51:
+G_M59980_IG54:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
-G_M59980_IG52:
+G_M59980_IG55:
        push     rax
 						;; size=1 bbWeight=0 PerfScore 0.00
-G_M59980_IG53:
+G_M59980_IG56:
        mov      rdi, gword ptr [rbp-0x40]
        mov      rax, 0xD1FFAB1E      ; code for System.IO.Stream:Dispose():this
        call     [rax]System.IO.Stream:Dispose():this
        call     CORINFO_HELP_RETHROW
        int3     
 						;; size=22 bbWeight=0 PerfScore 0.00
-G_M59980_IG54:
+G_M59980_IG57:
        push     rax
 						;; size=1 bbWeight=0 PerfScore 0.00
-G_M59980_IG55:
+G_M59980_IG58:
        mov      r13, gword ptr [rbp-0x38]
        mov      ebx, dword ptr [r13+0x40]
        mov      rdi, gword ptr [r13+0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:get_Count():int:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:get_Count():int:this
        cmp      ebx, eax
-       jge      SHORT G_M59980_IG57
+       jge      SHORT G_M59980_IG60
 						;; size=30 bbWeight=0 PerfScore 0.00
-G_M59980_IG56:
+G_M59980_IG59:
        mov      rdi, gword ptr [r13+0x20]
        mov      esi, dword ptr [r13+0x40]
        lea      eax, [rsi+0x01]
        mov      dword ptr [r13+0x40], eax
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:get_Item(int):System.__Canon:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:get_Item(int):System.__Canon:this
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.IO.Stream:Dispose():this
        cmp      dword ptr [rdi], edi
        call     [rax]System.IO.Stream:Dispose():this
        mov      ebx, dword ptr [r13+0x40]
        mov      rdi, gword ptr [r13+0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:get_Count():int:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:get_Count():int:this
        cmp      ebx, eax
-       jl       SHORT G_M59980_IG56
+       jl       SHORT G_M59980_IG59
 						;; size=72 bbWeight=0 PerfScore 0.00
-G_M59980_IG57:
+G_M59980_IG60:
        call     CORINFO_HELP_RETHROW
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 RWD00  	dd	G_M59980_IG08 - G_M59980_IG02
        	dd	G_M59980_IG05 - G_M59980_IG02
        	dd	G_M59980_IG04 - G_M59980_IG02
 
 
-; Total bytes of code 1590, prolog size 29, PerfScore 528.00, instruction count 389, allocated bytes for code 1590 (MethodHash=cea015b3) for method MimeKit.MessagePartial+<Split>d__11:MoveNext():bool:this (FullOpts)
+; Total bytes of code 1664, prolog size 29, PerfScore 516.88, instruction count 404, allocated bytes for code 1664 (MethodHash=cea015b3) for method MimeKit.MessagePartial+<Split>d__11:MoveNext():bool:this (FullOpts)
 ; ============================================================

Larger list of diffs: https://gist.github.com/MihuBot/2a54421cae3ab2c081514425975360bb

[MihuBot]

Top method improvements

-11 (-7.24 % of base) - SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong

 ; Assembly listing for method SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T04] (  6,  7   )     ref  ->  rbx         class-hnd single-def <System.IO.Stream>
-;  V01 arg1         [V01,T05] (  4,  7   )     ref  ->  r15         class-hnd single-def <bool[]>
-;  V02 loc0         [V02,T01] (  7, 18   )   ubyte  ->  rdi        
-;  V03 loc1         [V03,T03] (  6,  9.50)   ubyte  ->  rsi        
-;  V04 loc2         [V04,T06] (  6,  7   )    long  ->  r14        
-;  V05 loc3         [V05,T00] (  6, 21   )    long  ->  r13        
+;  V00 arg0         [V00,T03] (  6,  7   )     ref  ->  rbx         class-hnd single-def <System.IO.Stream>
+;  V01 arg1         [V01,T04] (  4,  7   )     ref  ->  r15         class-hnd single-def <bool[]>
+;  V02 loc0         [V02,T00] (  7, 18   )   ubyte  ->  rdi        
+;  V03 loc1         [V03,T02] (  6,  9.50)   ubyte  ->  rsi        
+;  V04 loc2         [V04,T05] (  6,  7   )    long  ->  r14        
+;  V05 loc3         [V05,T01] (  5, 17   )    long  ->  r13        
 ;# V06 OutArgs      [V06    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V07 cse0         [V07,T02] (  4, 10   )    long  ->  r12         "CSE #02: aggressive"
+;  V07 cse0         [V07,T06] (  3,  6   )    long  ->  r12         "CSE #02: aggressive"
 ;
 ; Lcl frame size = 8
 
 G_M54079_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        push     rax
        lea      rbp, [rsp+0x30]
        mov      rbx, rdi
        mov      r15, rsi
 						;; size=22 bbWeight=1 PerfScore 8.00
 G_M54079_IG02:
        mov      edi, 128
        xor      esi, esi
        xor      r14d, r14d
        xor      r13d, r13d
        mov      r12d, dword ptr [r15+0x08]
        test     r12, r12
        jle      SHORT G_M54079_IG08
 						;; size=22 bbWeight=1 PerfScore 4.25
 G_M54079_IG03:
-       cmp      r13, r12
-       jae      SHORT G_M54079_IG12
        cmp      byte  ptr [r15+r13+0x10], 0
        je       SHORT G_M54079_IG05
-						;; size=13 bbWeight=4 PerfScore 17.00
+						;; size=8 bbWeight=4 PerfScore 12.00
 G_M54079_IG04:
        or       esi, edi
        movzx    rsi, sil
 						;; size=6 bbWeight=2 PerfScore 1.00
 G_M54079_IG05:
        sar      edi, 1
        movzx    rdi, dil
        test     edi, edi
        jne      SHORT G_M54079_IG07
 						;; size=10 bbWeight=4 PerfScore 8.00
 G_M54079_IG06:
        mov      rdi, rbx
        mov      rax, qword ptr [rbx]
        mov      rax, qword ptr [rax+0x68]
        call     [rax+0x38]System.IO.Stream:WriteByte(byte):this
        inc      r14
        mov      edi, 128
        xor      esi, esi
 						;; size=23 bbWeight=2 PerfScore 16.00
 G_M54079_IG07:
        inc      r13
        cmp      r12, r13
        jg       SHORT G_M54079_IG03
 						;; size=8 bbWeight=4 PerfScore 6.00
 G_M54079_IG08:
        cmp      edi, 128
        je       SHORT G_M54079_IG10
 						;; size=8 bbWeight=1 PerfScore 1.25
 G_M54079_IG09:
        mov      rdi, rbx
        mov      rax, qword ptr [rbx]
        mov      rax, qword ptr [rax+0x68]
        call     [rax+0x38]System.IO.Stream:WriteByte(byte):this
        inc      r14
 						;; size=16 bbWeight=0.50 PerfScore 3.75
 G_M54079_IG10:
        mov      rax, r14
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M54079_IG11:
        add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.25
-G_M54079_IG12:
-       call     CORINFO_HELP_RNGCHKFAIL
-       int3     
-						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 152, prolog size 22, PerfScore 69.75, instruction count 55, allocated bytes for code 152 (MethodHash=a33c2cc0) for method SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong (FullOpts)
+; Total bytes of code 141, prolog size 22, PerfScore 64.75, instruction count 51, allocated bytes for code 141 (MethodHash=a33c2cc0) for method SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong (FullOpts)
 ; ============================================================

-11 (-9.17 % of base) - SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteOptionalBoolVector(System.IO.Stream,bool[])

 ; Assembly listing for method SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteOptionalBoolVector(System.IO.Stream,bool[]) (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T03] (  7,  4.50)     ref  ->  r15         class-hnd single-def <System.IO.Stream>
-;  V01 arg1         [V01,T02] (  5,  7.50)     ref  ->  rbx         class-hnd single-def <bool[]>
-;  V02 loc0         [V02,T00] (  6, 21   )    long  ->  rdi        
+;  V00 arg0         [V00,T02] (  7,  4.50)     ref  ->  r15         class-hnd single-def <System.IO.Stream>
+;  V01 arg1         [V01,T01] (  5,  7.50)     ref  ->  rbx         class-hnd single-def <bool[]>
+;  V02 loc0         [V02,T00] (  5, 17   )    long  ->  rdi        
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V04 cse0         [V04,T01] (  4, 10   )    long  ->  rsi         "CSE #02: aggressive"
+;  V04 cse0         [V04,T03] (  3,  6   )    long  ->  rsi         "CSE #02: aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M58740_IG01:
        push     rbp
        push     r15
        push     rbx
        lea      rbp, [rsp+0x10]
        mov      r15, rdi
        mov      rbx, rsi
 						;; size=15 bbWeight=1 PerfScore 4.00
 G_M58740_IG02:
        xor      edi, edi
        mov      esi, dword ptr [rbx+0x08]
        test     rsi, rsi
        jle      SHORT G_M58740_IG04
        align    [7 bytes for IG03]
 						;; size=17 bbWeight=1 PerfScore 3.75
 G_M58740_IG03:
-       cmp      rdi, rsi
-       jae      SHORT G_M58740_IG08
        cmp      byte  ptr [rbx+rdi+0x10], 0
        je       SHORT G_M58740_IG06
        inc      rdi
        cmp      rsi, rdi
        jg       SHORT G_M58740_IG03
-						;; size=20 bbWeight=4 PerfScore 23.00
+						;; size=15 bbWeight=4 PerfScore 18.00
 G_M58740_IG04:
        mov      rdi, r15
        mov      esi, 1
        mov      rax, qword ptr [r15]
        mov      rax, qword ptr [rax+0x68]
 						;; size=15 bbWeight=0.50 PerfScore 2.25
 G_M58740_IG05:
        pop      rbx
        pop      r15
        pop      rbp
        tail.jmp [rax+0x38]System.IO.Stream:WriteByte(byte):this
 						;; size=8 bbWeight=0.50 PerfScore 1.75
 G_M58740_IG06:
        mov      rdi, r15
        xor      esi, esi
        mov      rax, qword ptr [r15]
        mov      rax, qword ptr [rax+0x68]
        call     [rax+0x38]System.IO.Stream:WriteByte(byte):this
        mov      rdi, r15
        mov      rsi, rbx
        mov      rax, 0xD1FFAB1E      ; code for SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong
        call     [rax]SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteBoolVector(System.IO.Stream,bool[]):ulong
        nop      
 						;; size=34 bbWeight=0.50 PerfScore 5.75
 G_M58740_IG07:
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=5 bbWeight=0.50 PerfScore 1.25
-G_M58740_IG08:
-       call     CORINFO_HELP_RNGCHKFAIL
-       int3     
-						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 120, prolog size 15, PerfScore 41.75, instruction count 42, allocated bytes for code 120 (MethodHash=80b21a8b) for method SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteOptionalBoolVector(System.IO.Stream,bool[]) (FullOpts)
+; Total bytes of code 109, prolog size 15, PerfScore 36.75, instruction count 38, allocated bytes for code 109 (MethodHash=80b21a8b) for method SharpCompress.Common.SevenZip.SevenZipWriteExtensions:WriteOptionalBoolVector(System.IO.Stream,bool[]) (FullOpts)
 ; ============================================================

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