[JitDiff X64] dotnet/runtime/copilot/replace-interlocked-int-with-bool

[MihuBot]

Job completed in 3 minutes 10 seconds (remote runner delay: 0 seconds).
https://github.com/dotnet/runtime/tree/copilot/replace-interlocked-int-with-bool

Main commit: dotnet/runtime@25bd04c
PR commit: dotnet/runtime@1159815

Diffs

Found 87 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 46554877
Total bytes of diff: 46554891
Total bytes of delta: 14 (0.00 % of base)
Total relative delta: -0.22
    diff is a regression.
    relative diff is an improvement.


Top file regressions (bytes):
          11 : System.Net.Sockets.dasm (0.00 % of base)
           9 : System.Private.CoreLib.dasm (0.00 % of base)

Top file improvements (bytes):
          -3 : System.Net.Quic.dasm (-0.00 % of base)
          -3 : System.Linq.Parallel.dasm (-0.00 % of base)

4 total files with Code Size differences (2 improved, 2 regressed), 256 unchanged.

Top method regressions (bytes):
           6 (1.57 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:EventLoop():this (FullOpts)
           3 (0.48 % of base) : System.Linq.Parallel.dasm - System.Linq.Parallel.QueryTaskGroupState:QueryEnd(bool):this (FullOpts)
           3 (2.78 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:EnsureWorkerScheduled():this (FullOpts)
           3 (1.03 % of base) : System.Private.CoreLib.dasm - System.Threading.LowLevelLifoSemaphore:MaybeWakeWaiterSlow(System.Threading.LowLevelLifoSemaphore+Counts):this (FullOpts)
           3 (12.50 % of base) : System.Private.CoreLib.dasm - System.Threading.LowLevelLifoSemaphore:WakeOne():this (FullOpts)
           3 (15.00 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.Task+WhenEachState:TryStart():bool:this (FullOpts)
           2 (0.41 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:System.Threading.IThreadPoolWorkItem.Execute():this (FullOpts)
           1 (0.31 % of base) : System.Private.CoreLib.dasm - System.Threading.LowLevelLifoSemaphore:WakeOneCore():this (FullOpts)

Top method improvements (bytes):
          -6 (-54.55 % of base) : System.Linq.Parallel.dasm - System.Linq.Parallel.QueryTaskGroupState:get_IsAlreadyEnded():bool:this (FullOpts)
          -2 (-0.07 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicStream:WriteAsync(System.ReadOnlyMemory`1[byte],bool,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask:this (FullOpts)
          -1 (-0.83 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicStream:HandleEventSendComplete(byref):int:this (FullOpts)
          -1 (-0.22 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.ComWrappers+ReferenceTrackerNativeObjectWrapper:DisconnectTracker():this (FullOpts)

Top method regressions (percentages):
           3 (15.00 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.Task+WhenEachState:TryStart():bool:this (FullOpts)
           3 (12.50 % of base) : System.Private.CoreLib.dasm - System.Threading.LowLevelLifoSemaphore:WakeOne():this (FullOpts)
           3 (2.78 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:EnsureWorkerScheduled():this (FullOpts)
           6 (1.57 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:EventLoop():this (FullOpts)
           3 (1.03 % of base) : System.Private.CoreLib.dasm - System.Threading.LowLevelLifoSemaphore:MaybeWakeWaiterSlow(System.Threading.LowLevelLifoSemaphore+Counts):this (FullOpts)
           3 (0.48 % of base) : System.Linq.Parallel.dasm - System.Linq.Parallel.QueryTaskGroupState:QueryEnd(bool):this (FullOpts)
           2 (0.41 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:System.Threading.IThreadPoolWorkItem.Execute():this (FullOpts)
           1 (0.31 % of base) : System.Private.CoreLib.dasm - System.Threading.LowLevelLifoSemaphore:WakeOneCore():this (FullOpts)

Top method improvements (percentages):
          -6 (-54.55 % of base) : System.Linq.Parallel.dasm - System.Linq.Parallel.QueryTaskGroupState:get_IsAlreadyEnded():bool:this (FullOpts)
          -1 (-0.83 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicStream:HandleEventSendComplete(byref):int:this (FullOpts)
          -1 (-0.22 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.ComWrappers+ReferenceTrackerNativeObjectWrapper:DisconnectTracker():this (FullOpts)
          -2 (-0.07 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicStream:WriteAsync(System.ReadOnlyMemory`1[byte],bool,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask:this (FullOpts)

12 total methods with Code Size differences (4 improved, 8 regressed), 288651 unchanged.

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

Artifacts:

• diff-frameworks.txt (4 KB)
• ShortDiffsRegressions.md (54 KB)
• ShortDiffsImprovements.md (57 KB)
• LongDiffsImprovements.md (69 KB)
• jit-diffs-main.zip (159 MB)
• jit-diffs-pr.zip (159 MB)

[MihuBot]

Top method regressions

6 (1.57 % of base) - System.Net.Sockets.SocketAsyncEngine:EventLoop():this

 ; Assembly listing for method System.Net.Sockets.SocketAsyncEngine:EventLoop():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; 3 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  8, 21   )     ref  ->  rbx         this class-hnd single-def <System.Net.Sockets.SocketAsyncEngine>
 ;  V01 loc0         [V01    ] (  5, 19   )  struct (16) [rbp-0x20]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <System.Net.Sockets.SocketAsyncEngine+SocketEventHandler>
 ;  V02 loc1         [V02    ] (  5, 26   )     int  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V03 loc2         [V03,T01] (  5, 18   )     int  ->  r15        
 ;* V04 loc3         [V04    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <System.Exception>
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V06 tmp1         [V06    ] (  0,  0   )    long  ->  zero-ref    "impAppendStmt"
 ;  V07 tmp2         [V07,T04] (  3,  0   )     ref  ->  rbx         class-hnd exact "Single-def Box Helper" <Interop+Error>
 ;  V08 tmp3         [V08,T05] (  3,  0   )     ref  ->  r15         class-hnd exact "NewObj constructor temp" <System.Net.InternalException>
 ;  V09 tmp4         [V09,T03] (  4,  0   )     ref  ->  rbx         class-hnd single-def "impSpillSpecialSideEff" <System.Exception>
 ;  V10 tmp5         [V10    ] (  2,  9   )     ref  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed "field V01._eventQueue (fldOffset=0x0)" P-DEP
 ;  V11 tmp6         [V11    ] (  4, 18   )    long  ->  [rbp-0x18]  do-not-enreg[X] addr-exposed "field V01.<Buffer>k__BackingField (fldOffset=0x8)" P-DEP
 ;  V12 tmp7         [V12,T02] (  2, 16   )     ref  ->  rdi         "argument with side effect"
 ;  V13 tmp8         [V13,T06] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V14 tmp9         [V14,T07] (  2,  0   )     ref  ->  rdi         single-def "argument with side effect"
 ;
 ; Lcl frame size = 32
 
 G_M41986_IG01:
        push     rbp
        push     r15
        push     rbx
        sub      rsp, 32
        vzeroupper 
        lea      rbp, [rsp+0x30]
        xor      eax, eax
        mov      qword ptr [rbp-0x20], rax
        mov      rbx, rdi
 						;; size=25 bbWeight=1 PerfScore 6.25
 G_M41986_IG02:
        mov      rdi, qword ptr [rbx+0x18]
        mov      qword ptr [rbp-0x18], rdi
        mov      rdi, gword ptr [rbx+0x08]
        mov      gword ptr [rbp-0x20], rdi
        mov      dword ptr [rbp-0x28], 0x400
        mov      rdi, qword ptr [rbx+0x10]
        lea      rdx, [rbp-0x28]
        mov      rsi, qword ptr [rbp-0x18]
        call     Interop+Sys:WaitForSocketEvents(nint,ptr,ptr):int
        mov      r15d, eax
        test     r15d, r15d
        jne      G_M41986_IG08
        jmp      SHORT G_M41986_IG06
 						;; size=54 bbWeight=1 PerfScore 15.00
 G_M41986_IG03:
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       G_M41986_IG09
 						;; size=19 bbWeight=4 PerfScore 13.00
 G_M41986_IG04:
        mov      rdi, 0xD1FFAB1E      ; data for System.Threading.ThreadPool:s_workQueue
        mov      rdi, gword ptr [rdi]
        mov      rsi, rbx
        mov      edx, 1
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.ThreadPoolWorkQueue:Enqueue(System.Object,bool):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Threading.ThreadPoolWorkQueue:Enqueue(System.Object,bool):this
 						;; size=35 bbWeight=4 PerfScore 32.00
 G_M41986_IG05:
        mov      dword ptr [rbp-0x28], 0x400
        mov      rdi, qword ptr [rbx+0x10]
        lea      rdx, [rbp-0x28]
        mov      rsi, qword ptr [rbp-0x18]
        call     Interop+Sys:WaitForSocketEvents(nint,ptr,ptr):int
        mov      r15d, eax
        test     r15d, r15d
        jne      SHORT G_M41986_IG08
 						;; size=32 bbWeight=8 PerfScore 56.00
 G_M41986_IG06:
        lea      rdi, [rbp-0x20]
        mov      esi, dword ptr [rbp-0x28]
        mov      rax, 0xD1FFAB1E      ; code for System.Net.Sockets.SocketAsyncEngine+SocketEventHandler:HandleSocketEvents(int):bool:this
        call     [rax]System.Net.Sockets.SocketAsyncEngine+SocketEventHandler:HandleSocketEvents(int):bool:this
        test     eax, eax
        je       SHORT G_M41986_IG05
 						;; size=23 bbWeight=8 PerfScore 48.00
 G_M41986_IG07:
        lea      rdi, bword ptr [rbx+0x20]
        mov      eax, 1
-       xchg     dword ptr [rdi], eax
+       xchg     byte  ptr [rdi], al
+       movzx    rax, al
        test     eax, eax
        jne      SHORT G_M41986_IG05
-       jmp      SHORT G_M41986_IG03
-						;; size=17 bbWeight=4 PerfScore 120.00
+       jmp      G_M41986_IG03
+						;; size=23 bbWeight=4 PerfScore 121.00
 G_M41986_IG08:
        mov      rdi, 0xD1FFAB1E      ; Interop+Error
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      dword ptr [rbx+0x08], r15d
        mov      rdi, 0xD1FFAB1E      ; System.Net.InternalException
        call     CORINFO_HELP_NEWSFAST
        mov      r15, rax
        mov      rsi, rbx
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Net.InternalException:.ctor(System.Object):this
        call     [rax]System.Net.InternalException:.ctor(System.Object):this
        mov      rdi, r15
        call     CORINFO_HELP_THROW
        int3     
 						;; size=67 bbWeight=0 PerfScore 0.00
 G_M41986_IG09:
        mov      rdi, 0xD1FFAB1E      ; System.Threading.ThreadPool
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_NONGCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_NONGCSTATIC_BASE
        jmp      G_M41986_IG04
 						;; size=27 bbWeight=0 PerfScore 0.00
 G_M41986_IG10:
        add      rsp, 32
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=0 PerfScore 0.00
 G_M41986_IG11:
        push     rax
        vzeroupper 
 						;; size=4 bbWeight=0 PerfScore 0.00
 G_M41986_IG12:
        mov      rbx, rdi
        mov      rdi, rbx
        mov      rax, qword ptr [rbx]
        mov      rax, qword ptr [rax+0x40]
        call     [rax+0x08]System.Object:ToString():System.String:this
        mov      rsi, rax
        mov      rdi, 0xD1FFAB1E      ; 'Exception thrown from SocketAsyncEngine event loop: '
        mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
        call     [rax]System.String:Concat(System.String,System.String):System.String
        mov      rdi, rax
        mov      rsi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Environment:FailFast(System.String,System.Exception)
        call     [rax]System.Environment:FailFast(System.String,System.Exception)
        lea      rax, G_M41986_IG10
 						;; size=66 bbWeight=0 PerfScore 0.00
 G_M41986_IG13:
        add      rsp, 8
        ret      
 						;; size=5 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 383, prolog size 25, PerfScore 290.25, instruction count 93, allocated bytes for code 383 (MethodHash=f7e75bfd) for method System.Net.Sockets.SocketAsyncEngine:EventLoop():this (FullOpts)
+; Total bytes of code 389, prolog size 25, PerfScore 291.25, instruction count 94, allocated bytes for code 389 (MethodHash=f7e75bfd) for method System.Net.Sockets.SocketAsyncEngine:EventLoop():this (FullOpts)
 ; ============================================================

3 (0.48 % of base) - System.Linq.Parallel.QueryTaskGroupState:QueryEnd(bool):this

 ; Assembly listing for method System.Linq.Parallel.QueryTaskGroupState:QueryEnd(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; 2 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  9,  7   )     ref  ->  [rbp-0x30]  this class-hnd EH-live single-def <System.Linq.Parallel.QueryTaskGroupState>
 ;  V01 arg1         [V01,T03] (  3,  3   )   ubyte  ->  [rbp-0x1C]  EH-live single-def
 ;  V02 loc0         [V02,T07] (  6,  0   )     ref  ->  rbx         class-hnd single-def <System.AggregateException>
 ;* V03 loc1         [V03,T16] (  0,  0   )   ubyte  ->  zero-ref   
 ;  V04 loc2         [V04,T08] (  5,  0   )     int  ->  r15        
 ;  V05 loc3         [V05,T09] (  4,  0   )     ref  ->  r14         class-hnd <System.OperationCanceledException>
 ;  V06 loc4         [V06    ] (  5,  3   )  struct ( 8) [rbp-0x28]  do-not-enreg[XSR] multireg-ret must-init addr-exposed ld-addr-op <System.Threading.CancellationToken>
 ;# V07 OutArgs      [V07    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V08 tmp1         [V08,T10] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ObjectDisposedException>
 ;  V09 tmp2         [V09,T01] (  6,  6   )     ref  ->  rdi         class-hnd "dup spill" <System.Threading.Tasks.Task>
 ;* V10 tmp3         [V10    ] (  0,  0   )     ref  ->  zero-ref   
 ;  V11 tmp4         [V11,T11] (  2,  0   )     ref  ->  rdi         class-hnd single-def "impSpillSpecialSideEff" <System.AggregateException>
 ;* V12 tmp5         [V12    ] (  0,  0   )  struct ( 8) zero-ref    multireg-ret "spilled call-like call argument" <System.Threading.CancellationToken>
 ;  V13 tmp6         [V13,T02] (  3,  6   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;* V14 tmp7         [V14    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.Threading.CancellationToken>
 ;* V15 tmp8         [V15,T06] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V16 tmp9         [V16,T04] (  2,  4   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Threading.CancellationTokenSource>
 ;  V17 tmp10        [V17    ] (  5,  3   )     ref  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed "field V06._source (fldOffset=0x0)" P-DEP
 ;  V18 tmp11        [V18,T12] (  2,  0   )     ref  ->  rdi         "field V12._source (fldOffset=0x0)" P-INDEP
 ;* V19 tmp12        [V19    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V14._source (fldOffset=0x0)" P-INDEP
 ;  V20 tmp13        [V20,T13] (  2,  0   )     ref  ->  rdi         "argument with side effect"
 ;  V21 tmp14        [V21,T14] (  2,  0   )     ref  ->  rsi         "argument with side effect"
 ;  V22 tmp15        [V22,T15] (  2,  0   )     ref  ->  rdx         single-def "argument with side effect"
 ;  V23 cse0         [V23,T05] (  3,  3   )     ref  ->  rdi         "CSE #01: aggressive"
 ;
 ; Lcl frame size = 24
 
 G_M13219_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        sub      rsp, 24
        lea      rbp, [rsp+0x30]
        xor      eax, eax
        mov      qword ptr [rbp-0x28], rax
        mov      gword ptr [rbp-0x30], rdi
        mov      dword ptr [rbp-0x1C], esi
 						;; size=28 bbWeight=1 PerfScore 8.00
 G_M13219_IG02:
-       lea      rsi, bword ptr [rdi+0x18]
+       lea      rsi, bword ptr [rdi+0x1C]
        mov      edx, 1
-       xchg     dword ptr [rsi], edx
+       xchg     byte  ptr [rsi], dl
+       movzx    rdx, dl
        test     edx, edx
        jne      G_M13219_IG08
-						;; size=19 bbWeight=1 PerfScore 28.00
+						;; size=22 bbWeight=1 PerfScore 28.25
 G_M13219_IG03:
        mov      rsi, gword ptr [rdi+0x08]
        cmp      byte  ptr [rsi], sil
        mov      rdi, rsi
        mov      esi, -1
        xor      rdx, rdx
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:Wait(int,System.Threading.CancellationToken):bool:this
        call     [rax]System.Threading.Tasks.Task:Wait(int,System.Threading.CancellationToken):bool:this
        jmp      SHORT G_M13219_IG05
 						;; size=31 bbWeight=1 PerfScore 10.00
 G_M13219_IG04:
        nop      
 						;; size=1 bbWeight=0 PerfScore 0.00
 G_M13219_IG05:
        mov      rax, gword ptr [rbp-0x30]
        mov      rdi, gword ptr [rax+0x08]
        test     rdi, rdi
        je       SHORT G_M13219_IG06
        mov      r11, 0xD1FFAB1E      ; code for System.IDisposable:Dispose():this
        call     [r11]System.IDisposable:Dispose():this
 						;; size=26 bbWeight=1 PerfScore 7.50
 G_M13219_IG06:
        mov      rax, gword ptr [rbp-0x30]
        mov      rdi, gword ptr [rax+0x10]
        mov      rcx, 0xD1FFAB1E      ; code for System.Linq.Parallel.CancellationState:get_MergedCancellationToken():System.Threading.CancellationToken:this
        cmp      dword ptr [rdi], edi
        call     [rcx]System.Linq.Parallel.CancellationState:get_MergedCancellationToken():System.Threading.CancellationToken:this
        mov      gword ptr [rbp-0x28], rax
        cmp      gword ptr [rbp-0x28], 0
        je       SHORT G_M13219_IG08
        mov      rdi, gword ptr [rbp-0x28]
        cmp      dword ptr [rdi+0x20], 0
        je       SHORT G_M13219_IG08
        mov      rax, gword ptr [rbp-0x30]
        mov      rdi, gword ptr [rax+0x10]
        mov      rax, gword ptr [rdi+0x18]
        cmp      byte  ptr [rax+0x08], 0
        jne      SHORT G_M13219_IG07
        mov      rdi, gword ptr [rdi+0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.Linq.Parallel.CancellationState:ThrowWithStandardMessageIfCanceled(System.Threading.CancellationToken)
        call     [rax]System.Linq.Parallel.CancellationState:ThrowWithStandardMessageIfCanceled(System.Threading.CancellationToken)
 						;; size=77 bbWeight=1 PerfScore 28.50
 G_M13219_IG07:
        cmp      byte  ptr [rbp-0x1C], 0
        je       SHORT G_M13219_IG09
 						;; size=6 bbWeight=1 PerfScore 2.00
 G_M13219_IG08:
        add      rsp, 24
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=11 bbWeight=1 PerfScore 3.25
 G_M13219_IG09:
        mov      rdi, 0xD1FFAB1E      ; System.ObjectDisposedException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_PLINQ_DisposeRequested():System.String
        call     [rax]System.SR:get_PLINQ_DisposeRequested():System.String
        mov      rdx, rax
        mov      rdi, rbx
        mov      rsi, 0xD1FFAB1E      ; 'enumerator'
        mov      rax, 0xD1FFAB1E      ; code for System.ObjectDisposedException:.ctor(System.String,System.String):this
        call     [rax]System.ObjectDisposedException:.ctor(System.String,System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=67 bbWeight=0 PerfScore 0.00
 G_M13219_IG10:
        push     rax
 						;; size=1 bbWeight=0 PerfScore 0.00
 G_M13219_IG11:
        mov      rax, 0xD1FFAB1E      ; code for System.AggregateException:Flatten():System.AggregateException:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.AggregateException:Flatten():System.AggregateException:this
        mov      rbx, rax
        xor      r15d, r15d
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Count():int:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Count():int:this
        test     eax, eax
        jle      G_M13219_IG15
 						;; size=62 bbWeight=0 PerfScore 0.00
 G_M13219_IG12:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        call     [rax]System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        mov      rdi, rax
        mov      esi, r15d
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Item(int):System.__Canon:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Item(int):System.__Canon:this
        mov      rsi, rax
        mov      rdi, 0xD1FFAB1E      ; System.OperationCanceledException
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ISINSTANCEOFCLASS
        call     [rax]CORINFO_HELP_ISINSTANCEOFCLASS
        mov      r14, rax
        test     r14, r14
        je       G_M13219_IG14
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.OperationCanceledException:get_CancellationToken():System.Threading.CancellationToken:this
        call     [rax]System.OperationCanceledException:get_CancellationToken():System.Threading.CancellationToken:this
        mov      gword ptr [rbp-0x28], rax
        lea      rdi, [rbp-0x28]
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.CancellationToken:get_IsCancellationRequested():bool:this
        call     [rax]System.Threading.CancellationToken:get_IsCancellationRequested():bool:this
        test     eax, eax
        je       SHORT G_M13219_IG14
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.OperationCanceledException:get_CancellationToken():System.Threading.CancellationToken:this
        call     [rax]System.OperationCanceledException:get_CancellationToken():System.Threading.CancellationToken:this
        mov      rdi, rax
        mov      rax, gword ptr [rbp-0x30]
        mov      rsi, gword ptr [rax+0x10]
        mov      rsi, gword ptr [rsi+0x20]
        mov      rcx, 0xD1FFAB1E      ; code for System.Threading.CancellationToken:op_Inequality(System.Threading.CancellationToken,System.Threading.CancellationToken):bool
        call     [rcx]System.Threading.CancellationToken:op_Inequality(System.Threading.CancellationToken,System.Threading.CancellationToken):bool
        test     eax, eax
        jne      SHORT G_M13219_IG14
        inc      r15d
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
 						;; size=173 bbWeight=0 PerfScore 0.00
 G_M13219_IG13:
        call     [rax]System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Count():int:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Count():int:this
        cmp      eax, r15d
        jg       G_M13219_IG12
        jmp      SHORT G_M13219_IG15
 						;; size=30 bbWeight=0 PerfScore 0.00
 G_M13219_IG14:
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=9 bbWeight=0 PerfScore 0.00
 G_M13219_IG15:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        call     [rax]System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Count():int:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]:get_Count():int:this
        test     eax, eax
        je       SHORT G_M13219_IG14
        lea      rax, G_M13219_IG04
 						;; size=43 bbWeight=0 PerfScore 0.00
 G_M13219_IG16:
        add      rsp, 8
        ret      
 						;; size=5 bbWeight=0 PerfScore 0.00
 G_M13219_IG17:
        push     rax
 						;; size=1 bbWeight=0 PerfScore 0.00
 G_M13219_IG18:
        mov      rax, gword ptr [rbp-0x30]
        mov      rdi, gword ptr [rax+0x08]
        test     rdi, rdi
        je       SHORT G_M13219_IG19
        mov      r11, 0xD1FFAB1E      ; code for System.IDisposable:Dispose():this
        call     [r11]System.IDisposable:Dispose():this
 						;; size=26 bbWeight=0 PerfScore 0.00
 G_M13219_IG19:
        nop      
 						;; size=1 bbWeight=0 PerfScore 0.00
 G_M13219_IG20:
        add      rsp, 8
        ret      
 						;; size=5 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 622, prolog size 28, PerfScore 87.25, instruction count 157, allocated bytes for code 622 (MethodHash=c4a9cc5c) for method System.Linq.Parallel.QueryTaskGroupState:QueryEnd(bool):this (FullOpts)
+; Total bytes of code 625, prolog size 28, PerfScore 87.50, instruction count 158, allocated bytes for code 625 (MethodHash=c4a9cc5c) for method System.Linq.Parallel.QueryTaskGroupState:QueryEnd(bool):this (FullOpts)
 ; ============================================================

3 (2.78 % of base) - System.Net.Sockets.SocketAsyncEngine:EnsureWorkerScheduled():this

 ; Assembly listing for method System.Net.Sockets.SocketAsyncEngine:EnsureWorkerScheduled():this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  4,  3.50)     ref  ->  rbx         this class-hnd single-def <System.Net.Sockets.SocketAsyncEngine>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V02 tmp1         [V02,T01] (  2,  2   )     ref  ->  rdi         single-def "argument with side effect"
 ;
 ; Lcl frame size = 8
 
 G_M37375_IG01:
        push     rbp
        push     rbx
        push     rax
        lea      rbp, [rsp+0x10]
        mov      rbx, rdi
 						;; size=11 bbWeight=1 PerfScore 3.75
 G_M37375_IG02:
        lea      rdi, bword ptr [rbx+0x20]
        mov      eax, 1
-       xchg     dword ptr [rdi], eax
+       xchg     byte  ptr [rdi], al
+       movzx    rax, al
        test     eax, eax
        jne      SHORT G_M37375_IG05
-						;; size=15 bbWeight=1 PerfScore 28.00
+						;; size=18 bbWeight=1 PerfScore 28.25
 G_M37375_IG03:
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       SHORT G_M37375_IG07
 						;; size=15 bbWeight=0.50 PerfScore 1.62
 G_M37375_IG04:
        mov      rdi, 0xD1FFAB1E      ; data for System.Threading.ThreadPool:s_workQueue
        mov      rdi, gword ptr [rdi]
        mov      rsi, rbx
        mov      edx, 1
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.ThreadPoolWorkQueue:Enqueue(System.Object,bool):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Threading.ThreadPoolWorkQueue:Enqueue(System.Object,bool):this
 						;; size=35 bbWeight=0.50 PerfScore 4.00
 G_M37375_IG05:
        nop      
 						;; size=1 bbWeight=1 PerfScore 0.25
 G_M37375_IG06:
        add      rsp, 8
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=1 PerfScore 2.25
 G_M37375_IG07:
        mov      rdi, 0xD1FFAB1E      ; System.Threading.ThreadPool
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_NONGCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_NONGCSTATIC_BASE
        jmp      SHORT G_M37375_IG04
 						;; size=24 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 108, prolog size 8, PerfScore 39.88, instruction count 29, allocated bytes for code 108 (MethodHash=cda16e00) for method System.Net.Sockets.SocketAsyncEngine:EnsureWorkerScheduled():this (FullOpts)
+; Total bytes of code 111, prolog size 8, PerfScore 40.12, instruction count 30, allocated bytes for code 111 (MethodHash=cda16e00) for method System.Net.Sockets.SocketAsyncEngine:EnsureWorkerScheduled():this (FullOpts)
 ; ============================================================

3 (1.03 % of base) - System.Threading.LowLevelLifoSemaphore:MaybeWakeWaiterSlow(System.Threading.LowLevelLifoSemaphore+Counts):this

 ; Assembly listing for method System.Threading.LowLevelLifoSemaphore:MaybeWakeWaiterSlow(System.Threading.LowLevelLifoSemaphore+Counts):this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 7 single block inlinees; 3 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T04] (  6, 15   )     ref  ->  [rbp-0x30]  this class-hnd single-def <System.Threading.LowLevelLifoSemaphore>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct ( 8) zero-ref    single-def <System.Threading.LowLevelLifoSemaphore+Counts>
 ;  V02 loc0         [V02,T08] (  3,  9   )     int  ->  registers  
 ;* V03 loc1         [V03    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Threading.LowLevelLifoSemaphore+Counts>
 ;* V04 loc2         [V04    ] (  0,  0   )  struct ( 8) zero-ref    <System.Threading.LowLevelLifoSemaphore+Counts>
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V06 tmp1         [V06,T03] (  3, 24   )     int  ->  r14         "impSpillLclRefs"
 ;* V07 tmp2         [V07    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Threading.LowLevelLifoSemaphore+Counts>
 ;* V08 tmp3         [V08    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;  V09 tmp4         [V09,T02] (  2, 32   )   byref  ->  rcx         "Inlining Arg"
 ;* V10 tmp5         [V10    ] (  0,  0   )  struct ( 8) zero-ref    "Inlining Arg" <System.Threading.LowLevelLifoSemaphore+Counts>
 ;* V11 tmp6         [V11    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Threading.LowLevelLifoSemaphore+Counts>
 ;  V12 tmp7         [V12,T00] (  3, 40   )    long  ->  rax         "Inlining Arg"
 ;* V13 tmp8         [V13    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inlining Arg" <System.Threading.LowLevelLifoSemaphore+Counts>
 ;* V14 tmp9         [V14    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
 ;  V15 tmp10        [V15    ] (  6, 32   )     int  ->  [rbp-0x24]  do-not-enreg[X] addr-exposed ld-addr-op "Inlining Arg"
 ;  V16 tmp11        [V16,T05] (  4, 16   )     int  ->  rdi         "dup spill"
 ;  V17 tmp12        [V17,T09] (  3,  6   )     int  ->  rdi         "Inline return value spill temp"
 ;  V18 tmp13        [V18,T07] (  3, 12   )     int  ->  rdi         "Inlining Arg"
 ;  V19 tmp14        [V19,T01] (  6, 33   )    long  ->  rbx         "field V01._data (fldOffset=0x0)" P-INDEP
 ;  V20 tmp15        [V20,T06] (  2, 16   )    long  ->  rdi         "field V03._data (fldOffset=0x0)" P-INDEP
 ;* V21 tmp16        [V21    ] (  0,  0   )    long  ->  zero-ref    "field V04._data (fldOffset=0x0)" P-INDEP
 ;* V22 tmp17        [V22    ] (  0,  0   )    long  ->  zero-ref    "field V07._data (fldOffset=0x0)" P-INDEP
 ;* V23 tmp18        [V23    ] (  0,  0   )    long  ->  zero-ref    "field V10._data (fldOffset=0x0)" P-INDEP
 ;* V24 tmp19        [V24    ] (  0,  0   )    long  ->  zero-ref    "field V11._data (fldOffset=0x0)" P-INDEP
 ;* V25 tmp20        [V25    ] (  0,  0   )    long  ->  zero-ref    "field V13._data (fldOffset=0x0)" P-INDEP
 ;
 ; Lcl frame size = 16
 
 G_M33847_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     rbx
        sub      rsp, 16
        vzeroupper 
        lea      rbp, [rsp+0x30]
        mov      r15, rdi
        mov      rbx, rsi
 						;; size=26 bbWeight=1 PerfScore 7.25
 G_M33847_IG02:
        xor      r14d, r14d
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M33847_IG03:
        mov      rdi, 0xD1FFAB1E
        add      rdi, rbx
        mov      gword ptr [rbp-0x30], r15
        lea      rcx, bword ptr [r15+0x70]
        mov      rax, rbx
        lock     
        cmpxchg  qword ptr [rcx], rdi
        cmp      rax, rbx
        je       G_M33847_IG12
 						;; size=38 bbWeight=8 PerfScore 172.00
 G_M33847_IG04:
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.LowLevelLifoSemaphore:HasWaitersToWake(System.Threading.LowLevelLifoSemaphore+Counts):bool
        call     [rax]System.Threading.LowLevelLifoSemaphore:HasWaitersToWake(System.Threading.LowLevelLifoSemaphore+Counts):bool
        test     eax, eax
        je       G_M33847_IG11
        lea      edi, [r14+0x01]
        mov      r13d, edi
        mov      dword ptr [rbp-0x24], r14d
        cmp      dword ptr [rbp-0x24], 0
        je       SHORT G_M33847_IG10
 						;; size=40 bbWeight=4 PerfScore 34.00
 G_M33847_IG05:
        mov      edi, dword ptr [rbp-0x24]
        cmp      edi, 10
        ja       SHORT G_M33847_IG06
        jmp      SHORT G_M33847_IG07
 						;; size=10 bbWeight=2 PerfScore 8.50
 G_M33847_IG06:
        mov      edi, 10
 						;; size=5 bbWeight=2 PerfScore 0.50
 G_M33847_IG07:
        mov      dword ptr [rbp-0x24], edi
        mov      edi, dword ptr [rbp-0x24]
        neg      edi
        add      edi, 32
        movzx    rdi, dil
        lea      rax, [rbp-0x24]
        imul     eax, eax, 0xD1FFAB1E
        or       eax, 0xD1FFAB1E
        shrx     edi, eax, edi
        cmp      edi, 0x400
        jl       SHORT G_M33847_IG08
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Thread:LongSpinWait(int)
        call     [rax]System.Threading.Thread:LongSpinWait(int)
        jmp      SHORT G_M33847_IG10
 						;; size=57 bbWeight=2 PerfScore 25.00
 G_M33847_IG08:
        mov      rax, 0xD1FFAB1E      ; function address
 						;; size=10 bbWeight=2 PerfScore 0.50
 G_M33847_IG09:
        call     rax ; System.Threading.Thread:SpinWaitInternal(int)
        mov      rax, 0xD1FFAB1E      ; global ptr
        cmp      dword ptr [rax], 0
        je       SHORT G_M33847_IG10
        call     CORINFO_HELP_POLL_GC
 						;; size=22 bbWeight=2 PerfScore 14.50
 G_M33847_IG10:
        mov      r15, gword ptr [rbp-0x30]
        mov      rbx, qword ptr [r15+0x70]
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.LowLevelLifoSemaphore:HasWaitersToWake(System.Threading.LowLevelLifoSemaphore+Counts):bool
        call     [rax]System.Threading.LowLevelLifoSemaphore:HasWaitersToWake(System.Threading.LowLevelLifoSemaphore+Counts):bool
        test     eax, eax
        mov      r14d, r13d
        jne      G_M33847_IG03
 						;; size=34 bbWeight=4 PerfScore 32.00
 G_M33847_IG11:
        add      rsp, 16
        pop      rbx
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=13 bbWeight=1 PerfScore 3.75
 G_M33847_IG12:
        mov      r15, gword ptr [rbp-0x30]
-       lea      rdi, bword ptr [r15+0x24]
+       lea      rdi, bword ptr [r15+0x28]
        mov      eax, 1
-       xchg     dword ptr [rdi], eax
+       xchg     byte  ptr [rdi], al
+       movzx    rax, al
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.LowLevelLifoSemaphore:WakeOneCore():this
        call     [rax]System.Threading.LowLevelLifoSemaphore:WakeOneCore():this
        jmp      SHORT G_M33847_IG11
-						;; size=32 bbWeight=0.50 PerfScore 16.62
+						;; size=35 bbWeight=0.50 PerfScore 16.75
 
-; Total bytes of code 290, prolog size 20, PerfScore 314.88, instruction count 78, allocated bytes for code 290 (MethodHash=6f8b7bc8) for method System.Threading.LowLevelLifoSemaphore:MaybeWakeWaiterSlow(System.Threading.LowLevelLifoSemaphore+Counts):this (FullOpts)
+; Total bytes of code 293, prolog size 20, PerfScore 315.00, instruction count 79, allocated bytes for code 293 (MethodHash=6f8b7bc8) for method System.Threading.LowLevelLifoSemaphore:MaybeWakeWaiterSlow(System.Threading.LowLevelLifoSemaphore+Counts):this (FullOpts)
 ; ============================================================

3 (12.50 % of base) - System.Threading.LowLevelLifoSemaphore:WakeOne():this

 ; Assembly listing for method System.Threading.LowLevelLifoSemaphore:WakeOne():this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; fully interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  4,  4   )     ref  ->  rdi         this class-hnd single-def <System.Threading.LowLevelLifoSemaphore>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M33022_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M33022_IG02:
-       lea      rax, bword ptr [rdi+0x24]
+       lea      rax, bword ptr [rdi+0x28]
        mov      ecx, 1
-       xchg     dword ptr [rax], ecx
+       xchg     byte  ptr [rax], cl
+       movzx    rcx, cl
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.LowLevelLifoSemaphore:WakeOneCore():this
-						;; size=21 bbWeight=1 PerfScore 27.00
+						;; size=24 bbWeight=1 PerfScore 27.25
 G_M33022_IG03:
        tail.jmp [rax]System.Threading.LowLevelLifoSemaphore:WakeOneCore():this
 						;; size=3 bbWeight=1 PerfScore 2.00
 
-; Total bytes of code 24, prolog size 0, PerfScore 29.00, instruction count 5, allocated bytes for code 24 (MethodHash=0e887f01) for method System.Threading.LowLevelLifoSemaphore:WakeOne():this (FullOpts)
+; Total bytes of code 27, prolog size 0, PerfScore 29.25, instruction count 6, allocated bytes for code 27 (MethodHash=0e887f01) for method System.Threading.LowLevelLifoSemaphore:WakeOne():this (FullOpts)
 ; ============================================================

3 (15.00 % of base) - System.Threading.Tasks.Task+WhenEachState:TryStart():bool:this

 ; Assembly listing for method System.Threading.Tasks.Task+WhenEachState:TryStart():bool:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  3,  3   )     ref  ->  rdi         this class-hnd single-def <System.Threading.Tasks.Task+WhenEachState>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M61063_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M61063_IG02:
-       add      rdi, 32
+       add      rdi, 36
        mov      eax, 1
-       xchg     dword ptr [rdi], eax
+       xchg     byte  ptr [rdi], al
+       movzx    rax, al
        test     eax, eax
        sete     al
        movzx    rax, al
-						;; size=19 bbWeight=1 PerfScore 27.50
+						;; size=22 bbWeight=1 PerfScore 27.75
 G_M61063_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 20, prolog size 0, PerfScore 28.50, instruction count 7, allocated bytes for code 20 (MethodHash=d3071178) for method System.Threading.Tasks.Task+WhenEachState:TryStart():bool:this (FullOpts)
+; Total bytes of code 23, prolog size 0, PerfScore 28.75, instruction count 8, allocated bytes for code 23 (MethodHash=d3071178) for method System.Threading.Tasks.Task+WhenEachState:TryStart():bool:this (FullOpts)
 ; ============================================================

2 (0.41 % of base) - System.Net.Sockets.SocketAsyncEngine:System.Threading.IThreadPoolWorkItem.Execute():this

 ; Assembly listing for method System.Net.Sockets.SocketAsyncEngine:System.Threading.IThreadPoolWorkItem.Execute():this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 8 single block inlinees; 5 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T05] (  6,  5   )     ref  ->  rbx         this class-hnd single-def <System.Net.Sockets.SocketAsyncEngine>
 ;  V01 loc0         [V01,T04] (  6,  9   )     ref  ->  [rbp-0x48]  class-hnd spill-single-def <System.Collections.Concurrent.ConcurrentQueue`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]>
 ;  V02 loc1         [V02    ] (  8, 16.50)  struct (16) [rbp-0x30]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <System.Net.Sockets.SocketAsyncEngine+SocketIOEvent>
 ;  V03 loc2         [V03,T06] (  2,  4.50)     int  ->  rbx        
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V05 tmp1         [V05,T00] (  2, 16   )     ref  ->  rdi         class-hnd exact "impAppendStmt" <System.Net.Sockets.SocketAsyncContext>
 ;  V06 tmp2         [V06,T10] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;  V07 tmp3         [V07,T08] (  3,  2.50)     ref  ->  r14         class-hnd exact single-def "Inline stloc first use temp" <System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]>
 ;  V08 tmp4         [V08    ] (  2,  4.50)  struct (16) [rbp-0x40]  do-not-enreg[XS] must-init addr-exposed ld-addr-op "Inline ldloca(s) first use temp" <System.Net.Sockets.SocketAsyncEngine+SocketIOEvent>
 ;* V09 tmp5         [V09    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V10 tmp6         [V10,T01] (  5, 12.50)     ref  ->  r14         class-hnd "Inline stloc first use temp" <System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]>
 ;  V11 tmp7         [V11,T02] (  3, 10   )     ref  ->  r13         class-hnd exact "Inline stloc first use temp" <System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]>
 ;  V12 tmp8         [V12,T07] (  2,  4   )   ubyte  ->  rax         "Inline return value spill temp"
 ;  V13 tmp9         [V13,T03] (  3, 10   )     ref  ->  r14         class-hnd exact "Inline stloc first use temp" <System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]>
 ;  V14 tmp10        [V14    ] (  7, 12.50)     ref  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed "field V02.<Context>k__BackingField (fldOffset=0x0)" P-DEP
 ;  V15 tmp11        [V15    ] (  7, 12.50)     int  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed "field V02.<Events>k__BackingField (fldOffset=0x8)" P-DEP
 ;  V16 tmp12        [V16    ] (  2,  4.50)     ref  ->  [rbp-0x40]  do-not-enreg[X] addr-exposed "field V08.<Context>k__BackingField (fldOffset=0x0)" P-DEP
 ;  V17 tmp13        [V17    ] (  2,  4.50)     int  ->  [rbp-0x38]  do-not-enreg[X] addr-exposed "field V08.<Events>k__BackingField (fldOffset=0x8)" P-DEP
 ;  V18 tmp14        [V18,T09] (  2,  2   )     ref  ->  rdi         single-def "argument with side effect"
 ;
 ; Lcl frame size = 48
 
 G_M17703_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     rbx
        sub      rsp, 48
        vzeroupper 
        lea      rbp, [rsp+0x50]
        vxorps   xmm8, xmm8, xmm8
        vmovdqu  ymmword ptr [rbp-0x40], ymm8
        mov      rbx, rdi
 						;; size=33 bbWeight=1 PerfScore 8.33
 G_M17703_IG02:
-       xor      esi, esi
-       mov      dword ptr [rbx+0x20], esi
+       mov      byte  ptr [rbx+0x20], 0
        lock     
        or       dword ptr [rsp], 0
        mov      r15, gword ptr [rbx+0x08]
        mov      gword ptr [rbp-0x48], r15
        mov      r14, gword ptr [r15+0x18]
        lea      rsi, [rbp-0x30]
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeue(byref):bool:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeue(byref):bool:this
        test     eax, eax
        jne      SHORT G_M17703_IG04
-						;; size=47 bbWeight=1 PerfScore 29.50
+						;; size=46 bbWeight=1 PerfScore 29.25
 G_M17703_IG03:
        cmp      gword ptr [r14+0x10], 0
        je       G_M17703_IG19
        lea      rsi, [rbp-0x30]
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Concurrent.ConcurrentQueue`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeueSlow(byref):bool:this
        call     [rax]System.Collections.Concurrent.ConcurrentQueue`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeueSlow(byref):bool:this
        test     eax, eax
        je       G_M17703_IG17
 						;; size=38 bbWeight=0.50 PerfScore 4.12
 G_M17703_IG04:
        mov      r14, gword ptr [r15+0x18]
        jmp      SHORT G_M17703_IG06
 						;; size=6 bbWeight=0.50 PerfScore 2.00
 G_M17703_IG05:
        mov      r14, r13
 						;; size=3 bbWeight=2 PerfScore 0.50
 G_M17703_IG06:
        mov      r13, gword ptr [r14+0x10]
        lea      rsi, [rbp-0x40]
        mov      rdi, r14
        xor      edx, edx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryPeek(byref,bool):bool:this
        call     [rax]System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryPeek(byref,bool):bool:this
        test     eax, eax
        jne      SHORT G_M17703_IG09
        test     r13, r13
        jne      SHORT G_M17703_IG05
 						;; size=34 bbWeight=4 PerfScore 35.00
 G_M17703_IG07:
        cmp      gword ptr [r14+0x10], 0
        jne      SHORT G_M17703_IG06
 						;; size=7 bbWeight=2 PerfScore 6.00
 G_M17703_IG08:
        vxorps   xmm0, xmm0, xmm0
        vmovdqu  xmmword ptr [rbp-0x40], xmm0
        jmp      SHORT G_M17703_IG11
 						;; size=11 bbWeight=0.50 PerfScore 1.67
 G_M17703_IG09:
        lea      rdi, bword ptr [rbx+0x20]
        mov      eax, 1
-       xchg     dword ptr [rdi], eax
+       xchg     byte  ptr [rdi], al
+       movzx    rax, al
        test     eax, eax
        jne      SHORT G_M17703_IG11
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       G_M17703_IG20
-						;; size=34 bbWeight=0.50 PerfScore 15.62
+						;; size=37 bbWeight=0.50 PerfScore 15.75
 G_M17703_IG10:
        mov      rdi, 0xD1FFAB1E      ; data for System.Threading.ThreadPool:s_workQueue
        mov      rdi, gword ptr [rdi]
        mov      rsi, rbx
        mov      edx, 1
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.ThreadPoolWorkQueue:Enqueue(System.Object,bool):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Threading.ThreadPoolWorkQueue:Enqueue(System.Object,bool):this
 						;; size=35 bbWeight=0.50 PerfScore 4.00
 G_M17703_IG11:
        mov      rax, 0xD1FFAB1E      ; function address
 						;; size=10 bbWeight=0.50 PerfScore 0.12
 G_M17703_IG12:
        call     rax ; Interop+Sys:GetLowResolutionTimestamp():long
        mov      ebx, eax
        mov      rax, 0xD1FFAB1E      ; global ptr
        cmp      dword ptr [rax], 0
        je       SHORT G_M17703_IG13
        jmp      G_M17703_IG21
 						;; size=24 bbWeight=0.50 PerfScore 4.25
 G_M17703_IG13:
        mov      rdi, gword ptr [rbp-0x30]
        mov      esi, dword ptr [rbp-0x28]
        mov      rax, 0xD1FFAB1E      ; code for System.Net.Sockets.SocketAsyncContext:HandleEvents(int):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Net.Sockets.SocketAsyncContext:HandleEvents(int):this
        mov      rax, 0xD1FFAB1E      ; global ptr
        cmp      dword ptr [rax], 0
        jne      G_M17703_IG22
 						;; size=40 bbWeight=4 PerfScore 42.00
 G_M17703_IG14:
        mov      rax, 0xD1FFAB1E      ; function address
 						;; size=10 bbWeight=4 PerfScore 1.00
 G_M17703_IG15:
        call     rax ; Interop+Sys:GetLowResolutionTimestamp():long
        sub      eax, ebx
        cmp      eax, 15
        jge      SHORT G_M17703_IG17
        mov      r15, gword ptr [rbp-0x48]
        mov      r14, gword ptr [r15+0x18]
        lea      rsi, [rbp-0x30]
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeue(byref):bool:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.Concurrent.ConcurrentQueueSegment`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeue(byref):bool:this
        test     eax, eax
        jne      SHORT G_M17703_IG13
 						;; size=42 bbWeight=4 PerfScore 59.00
 G_M17703_IG16:
        cmp      gword ptr [r14+0x10], 0
        je       SHORT G_M17703_IG18
        lea      rsi, [rbp-0x30]
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Concurrent.ConcurrentQueue`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeueSlow(byref):bool:this
        call     [rax]System.Collections.Concurrent.ConcurrentQueue`1[System.Net.Sockets.SocketAsyncEngine+SocketIOEvent]:TryDequeueSlow(byref):bool:this
        test     eax, eax
        jne      SHORT G_M17703_IG13
 						;; size=30 bbWeight=2 PerfScore 16.50
 G_M17703_IG17:
        add      rsp, 48
        pop      rbx
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=13 bbWeight=1 PerfScore 3.75
 G_M17703_IG18:
        vxorps   xmm0, xmm0, xmm0
        vmovdqu  xmmword ptr [rbp-0x30], xmm0
        jmp      SHORT G_M17703_IG17
 						;; size=11 bbWeight=0.50 PerfScore 1.67
 G_M17703_IG19:
        vxorps   xmm0, xmm0, xmm0
        vmovdqu  xmmword ptr [rbp-0x30], xmm0
        jmp      SHORT G_M17703_IG17
 						;; size=11 bbWeight=0.50 PerfScore 1.67
 G_M17703_IG20:
        mov      rdi, 0xD1FFAB1E      ; System.Threading.ThreadPool
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_NONGCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_NONGCSTATIC_BASE
        jmp      G_M17703_IG10
 						;; size=27 bbWeight=0 PerfScore 0.00
 G_M17703_IG21:
        call     CORINFO_HELP_POLL_GC
        jmp      G_M17703_IG13
 						;; size=10 bbWeight=0 PerfScore 0.00
 G_M17703_IG22:
        call     CORINFO_HELP_POLL_GC
        jmp      G_M17703_IG14
 						;; size=10 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 486, prolog size 30, PerfScore 236.71, instruction count 124, allocated bytes for code 486 (MethodHash=9d5bbad8) for method System.Net.Sockets.SocketAsyncEngine:System.Threading.IThreadPoolWorkItem.Execute():this (FullOpts)
+; Total bytes of code 488, prolog size 30, PerfScore 236.58, instruction count 124, allocated bytes for code 488 (MethodHash=9d5bbad8) for method System.Net.Sockets.SocketAsyncEngine:System.Threading.IThreadPoolWorkItem.Execute():this (FullOpts)
 ; ============================================================

1 (0.31 % of base) - System.Threading.LowLevelLifoSemaphore:WakeOneCore():this

 ; Assembly listing for method System.Threading.LowLevelLifoSemaphore:WakeOneCore():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; 8 single block inlinees; 3 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T01] ( 13, 25.50)     ref  ->  rbx         this class-hnd single-def <System.Threading.LowLevelLifoSemaphore>
+;  V00 this         [V00,T01] ( 12, 25   )     ref  ->  rbx         this class-hnd single-def <System.Threading.LowLevelLifoSemaphore>
 ;  V01 loc0         [V01,T05] (  6,  3   )     ref  ->  r14         class-hnd exact single-def <System.Threading.LowLevelLifoSemaphore+LifoBlockerNode>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V03 tmp1         [V03,T00] (  3, 36   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Threading.LowLevelLock>
 ;  V04 tmp2         [V04,T02] (  5, 22   )     int  ->  [rbp-0x2C]  spill-single-def "Inline stloc first use temp"
 ;* V05 tmp3         [V05,T09] (  0,  0   )     int  ->  zero-ref   
 ;  V06 tmp4         [V06,T03] (  3, 20   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Threading.LowLevelLock>
 ;* V07 tmp5         [V07    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V08 tmp6         [V08,T06] (  3,  3   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Threading.LowLevelLock>
 ;* V09 tmp7         [V09    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V10 tmp8         [V10,T07] (  3,  3   )   byref  ->  r14         single-def "Inlining Arg"
 ;  V11 tmp9         [V11,T08] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
 ;* V12 tmp10        [V12    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;  V13 FramesRoot   [V13,T04] (  6,  4   )    long  ->  r15         "Pinvoke FrameListRoot"
 ;  V14 PInvokeFrame [V14    ] (  8,  6   )  struct (56) [rbp-0x68]  do-not-enreg[XS] addr-exposed "Pinvoke FrameVar" <UNNAMED>
 ;
 ; Lcl frame size = 72
 
 G_M3845_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 72
        vzeroupper 
        lea      rbp, [rsp+0x70]
        mov      rbx, rdi
 						;; size=25 bbWeight=1 PerfScore 8.00
 G_M3845_IG02:
        lea      rdi, [rbp-0x68]
        call     CORINFO_HELP_INIT_PINVOKE_FRAME
        mov      r15, rax
        mov      rax, rsp
        mov      qword ptr [rbp-0x50], rax
        mov      rax, rbp
        mov      qword ptr [rbp-0x40], rax
 						;; size=26 bbWeight=1 PerfScore 4.25
 G_M3845_IG03:
        mov      rdi, gword ptr [rbx+0x10]
        mov      eax, dword ptr [rdi+0x08]
        mov      dword ptr [rbp-0x2C], eax
        test     al, 1
        jne      SHORT G_M3845_IG08
 						;; size=14 bbWeight=8 PerfScore 50.00
 G_M3845_IG04:
        add      rdi, 8
        lea      ecx, [rax+0x01]
        lock     
        cmpxchg  dword ptr [rdi], ecx
        cmp      eax, dword ptr [rbp-0x2C]
        jne      SHORT G_M3845_IG08
 						;; size=16 bbWeight=2 PerfScore 41.50
 G_M3845_IG05:
-       cmp      dword ptr [rbx+0x24], 0
+       cmp      byte  ptr [rbx+0x28], 0
        jne      SHORT G_M3845_IG09
        mov      rdi, gword ptr [rbx+0x10]
        lea      rax, bword ptr [rdi+0x08]
        mov      ecx, -1
        lock     
        xadd     dword ptr [rax], ecx
        dec      ecx
        test     ecx, ecx
        jle      SHORT G_M3845_IG07
 						;; size=29 bbWeight=4 PerfScore 93.00
 G_M3845_IG06:
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.LowLevelLock:SignalWaiter():this
        call     [rax]System.Threading.LowLevelLock:SignalWaiter():this
 						;; size=12 bbWeight=2 PerfScore 6.50
 G_M3845_IG07:
-       cmp      dword ptr [rbx+0x24], 0
+       cmp      byte  ptr [rbx+0x28], 0
        jne      SHORT G_M3845_IG03
 						;; size=6 bbWeight=4 PerfScore 12.00
 G_M3845_IG08:
        add      rsp, 72
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.25
 G_M3845_IG09:
-       dec      dword ptr [rbx+0x24]
+       mov      byte  ptr [rbx+0x28], 0
        mov      r14, gword ptr [rbx+0x18]
        test     r14, r14
        jne      SHORT G_M3845_IG10
        inc      dword ptr [rbx+0x20]
        jmp      SHORT G_M3845_IG11
-						;; size=17 bbWeight=0.50 PerfScore 5.62
+						;; size=18 bbWeight=0.50 PerfScore 4.62
 G_M3845_IG10:
        mov      rsi, gword ptr [r14+0x08]
        lea      rdi, bword ptr [rbx+0x18]
        call     CORINFO_HELP_ASSIGN_REF
        xor      rdi, rdi
        mov      gword ptr [r14+0x08], rdi
 						;; size=19 bbWeight=0.50 PerfScore 2.38
 G_M3845_IG11:
        mov      rdi, gword ptr [rbx+0x10]
        lea      rax, bword ptr [rdi+0x08]
        mov      ecx, -1
        lock     
        xadd     dword ptr [rax], ecx
        dec      ecx
        test     ecx, ecx
        jle      SHORT G_M3845_IG12
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.LowLevelLock:SignalWaiter():this
        call     [rax]System.Threading.LowLevelLock:SignalWaiter():this
 						;; size=35 bbWeight=0.50 PerfScore 11.75
 G_M3845_IG12:
        test     r14, r14
        je       SHORT G_M3845_IG08
        add      r14, 16
        mov      rdi, qword ptr [r14]
        lock     
        inc      dword ptr [rdi]
        mov      rdi, qword ptr [r14]
        mov      rax, 0xD1FFAB1E      ; function address
        mov      qword ptr [rbp-0x58], rax
        lea      rax, G_M3845_IG15
        mov      qword ptr [rbp-0x48], rax
        lea      rax, [rbp-0x68]
        mov      qword ptr [r15+0x08], rax
        mov      byte  ptr [r15+0x04], 0
 						;; size=56 bbWeight=0.50 PerfScore 13.62
 G_M3845_IG13:
        mov      rax, 0xD1FFAB1E      ; code for Interop+Sys:LowLevelFutex_WakeByAddressSingle(ptr)
 						;; size=10 bbWeight=0.50 PerfScore 0.12
 G_M3845_IG14:
        call     [rax]Interop+Sys:LowLevelFutex_WakeByAddressSingle(ptr)
 						;; size=2 bbWeight=0.50 PerfScore 1.50
 G_M3845_IG15:
        mov      byte  ptr [r15+0x04], 1
        mov      rcx, 0xD1FFAB1E      ; function address
        cmp      dword ptr [rcx], 0
        je       SHORT G_M3845_IG16
        mov      rdi, 0xD1FFAB1E
        call     [rdi]CORINFO_HELP_STOP_FOR_GC
 						;; size=32 bbWeight=0.50 PerfScore 3.75
 G_M3845_IG16:
        mov      rax, qword ptr [rbp-0x60]
        mov      qword ptr [r15+0x08], rax
        jmp      G_M3845_IG08
 						;; size=13 bbWeight=0.50 PerfScore 2.00
 
-; Total bytes of code 327, prolog size 25, PerfScore 260.25, instruction count 96, allocated bytes for code 327 (MethodHash=140bf0fa) for method System.Threading.LowLevelLifoSemaphore:WakeOneCore():this (FullOpts)
+; Total bytes of code 328, prolog size 25, PerfScore 259.25, instruction count 96, allocated bytes for code 328 (MethodHash=140bf0fa) for method System.Threading.LowLevelLifoSemaphore:WakeOneCore():this (FullOpts)
 ; ============================================================

[MihuBot]

Top method improvements

-6 (-54.55 % of base) - System.Linq.Parallel.QueryTaskGroupState:get_IsAlreadyEnded():bool:this

 ; Assembly listing for method System.Linq.Parallel.QueryTaskGroupState:get_IsAlreadyEnded():bool:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  3,  3   )     ref  ->  rdi         this class-hnd single-def <System.Linq.Parallel.QueryTaskGroupState>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M12711_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M12711_IG02:
-       cmp      dword ptr [rdi+0x18], 1
-       sete     al
-       movzx    rax, al
-						;; size=10 bbWeight=1 PerfScore 2.75
+       movzx    rax, byte  ptr [rdi+0x1C]
+						;; size=4 bbWeight=1 PerfScore 2.00
 G_M12711_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 11, prolog size 0, PerfScore 3.75, instruction count 4, allocated bytes for code 11 (MethodHash=ebedce58) for method System.Linq.Parallel.QueryTaskGroupState:get_IsAlreadyEnded():bool:this (FullOpts)
+; Total bytes of code 5, prolog size 0, PerfScore 3.00, instruction count 2, allocated bytes for code 5 (MethodHash=ebedce58) for method System.Linq.Parallel.QueryTaskGroupState:get_IsAlreadyEnded():bool:this (FullOpts)
 ; ============================================================

-2 (-0.07 % of base) - System.Net.Quic.QuicStream:WriteAsync(System.ReadOnlyMemory`1[byte],bool,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask:this

 ; Assembly listing for method System.Net.Quic.QuicStream:WriteAsync(System.ReadOnlyMemory`1[byte],bool,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask: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; 79 single block inlinees; 32 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T01] ( 21, 12   )     ref  ->  [rbp-0xB8]  this class-hnd single-def <System.Net.Quic.QuicStream>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SFA] multireg-arg ld-addr-op single-def <System.ReadOnlyMemory`1[byte]>
 ;  V02 arg2         [V02,T08] (  5,  3.50)   ubyte  ->  r15         single-def
 ;* V03 arg3         [V03    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op single-def <System.Threading.CancellationToken>
 ;  V04 loc0         [V04    ] (  8,  4   )  struct (16) [rbp-0x38]  do-not-enreg[XSFR] multireg-ret must-init addr-exposed ld-addr-op <System.Threading.Tasks.ValueTask>
 ;* V05 loc1         [V05    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SF] ld-addr-op <System.Runtime.CompilerServices.ValueTaskAwaiter>
 ;* V06 loc2         [V06    ] (  0,  0   )     int  ->  zero-ref   
 ;  V07 loc3         [V07    ] (  5,  2.50)     ref  ->  [rbp-0x40]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.Exception>
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V09 tmp1         [V09    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "impAppendStmt" <System.Net.Quic.MsQuicApi>
 ;  V10 tmp2         [V10,T09] (  5,  5   )     ref  ->  [rbp-0xC0]  class-hnd exact spill-single-def "impAppendStmt" <System.Net.Quic.MsQuicContextSafeHandle>
 ;  V11 tmp3         [V11,T52] (  2,  2   )    long  ->  r12         "impAppendStmt"
 ;* V12 tmp4         [V12    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V13 tmp5         [V13    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V14 tmp6         [V14    ] (  0,  0   )    long  ->  zero-ref   
 ;  V15 tmp7         [V15,T69] (  2,  1   )     int  ->  [rbp-0x44]  spill-single-def
 ;* V16 tmp8         [V16    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V17 tmp9         [V17    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V18 tmp10        [V18    ] (  0,  0   )    long  ->  zero-ref   
 ;* V19 tmp11        [V19    ] (  0,  0   )     int  ->  zero-ref   
 ;  V20 tmp12        [V20,T70] (  2,  1   )     int  ->  r15        
 ;  V21 tmp13        [V21,T05] (  6,  6   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.InvalidOperationException>
 ;* V22 tmp14        [V22    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Threading.Tasks.ValueTask>
 ;  V23 tmp15        [V23,T06] (  6,  6   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.InvalidOperationException>
 ;* V24 tmp16        [V24    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Threading.Tasks.ValueTask>
 ;* V25 tmp17        [V25    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Threading.Tasks.ValueTask>
 ;  V26 tmp18        [V26,T10] (  5,  5   )     ref  ->  [rbp-0xC8]  class-hnd exact spill-single-def "NewArr temp" <System.Object[]>
 ;  V27 tmp19        [V27,T18] (  3,  3   )     ref  ->  rax         class-hnd exact single-def "Single-def Box Helper" <System.Int32>
 ;* V28 tmp20        [V28    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V29 tmp21        [V29    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V30 tmp22        [V30    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V31 tmp23        [V31    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V32 tmp24        [V32    ] (  0,  0   )     int  ->  zero-ref   
 ;* V33 tmp25        [V33    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V34 tmp26        [V34    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V35 tmp27        [V35    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V36 tmp28        [V36    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V37 tmp29        [V37    ] (  0,  0   )     int  ->  zero-ref   
 ;  V38 tmp30        [V38,T64] (  2,  1   )     ref  ->  rsi        
 ;  V39 tmp31        [V39,T07] (  6,  6   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.InvalidOperationException>
 ;* V40 tmp32        [V40    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Threading.Tasks.ValueTask>
 ;  V41 tmp33        [V41,T04] (  7,  7   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ObjectDisposedException>
 ;* V42 tmp34        [V42    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Threading.Tasks.ValueTask>
 ;  V43 tmp35        [V43,T42] (  2,  2   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V44 tmp36        [V44    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;  V45 tmp37        [V45,T32] (  4,  2   )     ref  ->  rsi        
 ;* V46 tmp38        [V46    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.InvalidOperationException>
 ;* V47 tmp39        [V47    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.String>
 ;* V48 tmp40        [V48    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;  V49 tmp41        [V49,T33] (  4,  2   )     ref  ->  rsi        
 ;* V50 tmp42        [V50    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.SystemException>
 ;* V51 tmp43        [V51    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V52 tmp44        [V52    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V53 tmp45        [V53    ] (  0,  0   )  struct (16) zero-ref    multireg-ret ld-addr-op "NewObj constructor temp" <System.Threading.Tasks.ValueTask>
 ;  V54 tmp46        [V54,T19] (  3,  3   )     ref  ->  rax         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;  V55 tmp47        [V55,T43] (  2,  2   )     ref  ->  rsi         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V56 tmp48        [V56    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;  V57 tmp49        [V57,T34] (  4,  2   )     ref  ->  rsi        
 ;* V58 tmp50        [V58    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.SystemException>
 ;* V59 tmp51        [V59    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V60 tmp52        [V60    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V61 tmp53        [V61    ] (  0,  0   )  struct (16) zero-ref    multireg-ret ld-addr-op "NewObj constructor temp" <System.Threading.Tasks.ValueTask>
 ;  V62 tmp54        [V62,T20] (  3,  3   )     ref  ->  rax         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;* V63 tmp55        [V63    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Net.NetEventSource>
 ;* V64 tmp56        [V64    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Object>
 ;  V65 tmp57        [V65,T21] (  3,  3   )     ref  ->  [rbp-0xD0]  class-hnd spill-single-def "Inlining Arg" <System.FormattableString>
 ;  V66 tmp58        [V66,T65] (  2,  1   )     ref  ->  [rbp-0xD8]  spill-single-def
 ;  V67 tmp59        [V67,T66] (  2,  1   )     ref  ->  [rbp-0xE0]  spill-single-def
 ;* V68 tmp60        [V68    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V69 tmp61        [V69    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V70 tmp62        [V70    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V71 tmp63        [V71    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;  V72 tmp64        [V72,T56] (  3,  1.50)     ref  ->  registers  
 ;* V73 tmp65        [V73    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.Net.NetEventSource>
 ;* V74 tmp66        [V74    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V75 tmp67        [V75    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.String>
 ;* V76 tmp68        [V76    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V77 tmp69        [V77    ] (  0,  0   )     int  ->  zero-ref   
 ;* V78 tmp70        [V78    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V79 tmp71        [V79    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V80 tmp72        [V80    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;  V81 tmp73        [V81,T44] (  2,  2   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Net.Quic.ResettableValueTaskSource>
 ;* V82 tmp74        [V82,T74] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V83 tmp75        [V83    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Threading.CancellationTokenSource>
 ;* V84 tmp76        [V84    ] (  0,  0   )  struct ( 8) zero-ref    "Inlining Arg" <System.Threading.CancellationToken>
 ;* V85 tmp77        [V85    ] (  0,  0   )  struct (16) zero-ref    multireg-ret ld-addr-op "NewObj constructor temp" <System.Threading.Tasks.ValueTask>
 ;  V86 tmp78        [V86,T22] (  3,  3   )     ref  ->  rax         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;  V87 tmp79        [V87,T45] (  2,  2   )     ref  ->  rsi         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V88 tmp80        [V88    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;  V89 tmp81        [V89,T35] (  4,  2   )     ref  ->  rsi        
 ;* V90 tmp82        [V90    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.SystemException>
 ;* V91 tmp83        [V91    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V92 tmp84        [V92    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V93 tmp85        [V93    ] (  0,  0   )  struct (16) zero-ref    multireg-ret ld-addr-op "NewObj constructor temp" <System.Threading.Tasks.ValueTask>
 ;  V94 tmp86        [V94,T23] (  3,  3   )     ref  ->  rax         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;* V95 tmp87        [V95    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V96 tmp88        [V96,T36] (  4,  2   )     ref  ->  r14         class-hnd single-def "Inline stloc first use temp" <System.Object>
 ;  V97 tmp89        [V97,T57] (  3,  1.50)     ref  ->  rax         class-hnd single-def "Inline stloc first use temp" <System.Threading.Tasks.Task>
 ;* V98 tmp90        [V98    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <System.Threading.Tasks.Sources.IValueTaskSource>
 ;* V99 tmp91        [V99    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V100 tmp92       [V100    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V101 tmp93       [V101,T37] (  4,  2   )     ref  ->  rbx         class-hnd single-def "Inline stloc first use temp" <System.Object>
 ;  V102 tmp94       [V102,T58] (  3,  1.50)     ref  ->  rax         class-hnd single-def "Inline stloc first use temp" <System.Threading.Tasks.Task>
 ;* V103 tmp95       [V103    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <System.Threading.Tasks.Sources.IValueTaskSource>
 ;* V104 tmp96       [V104    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.ValueTaskAwaiter>
 ;* V105 tmp97       [V105    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inline stloc first use temp" <System.Object>
 ;  V106 tmp98       [V106,T38] (  4,  2   )     ref  ->  rax         class-hnd single-def "Inline stloc first use temp" <System.Threading.Tasks.Task>
 ;* V107 tmp99       [V107    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <System.Threading.Tasks.Sources.IValueTaskSource>
 ;  V108 tmp100      [V108,T46] (  2,  2   )     ref  ->  rsi         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V109 tmp101      [V109    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;  V110 tmp102      [V110,T39] (  4,  2   )     ref  ->  rsi        
 ;* V111 tmp103      [V111    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.SystemException>
 ;* V112 tmp104      [V112    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V113 tmp105      [V113    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.String>
 ;* V114 tmp106      [V114    ] (  0,  0   )  struct (16) zero-ref    multireg-ret ld-addr-op "NewObj constructor temp" <System.Threading.Tasks.ValueTask>
 ;  V115 tmp107      [V115,T24] (  3,  3   )     ref  ->  rax         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;  V116 tmp108      [V116,T25] (  3,  3   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Net.Quic.ResettableValueTaskSource>
 ;  V117 tmp109      [V117,T02] ( 10, 10   )   byref  ->  [rbp-0xE8]  spill-single-def "Inlining Arg"
 ;* V118 tmp110      [V118    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.ReadOnlyMemory`1[byte]>
 ;  V119 tmp111      [V119,T30] (  3,  3   )    long  ->  rdi         "impAppendStmt"
 ;  V120 tmp112      [V120,T60] (  3,  1.50)    long  ->  rax         "Inline stloc first use temp"
 ;* V121 tmp113      [V121    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlyMemory`1[byte]>
 ;  V122 tmp114      [V122,T53] (  2,  2   )    long  ->  [rbp-0x50]  spill-single-def "impAppendStmt"
 ;* V123 tmp115      [V123    ] (  0,  0   )    long  ->  zero-ref    "impAppendStmt"
 ;* V124 tmp116      [V124    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.ReadOnlySpan`1[byte]>
 ;* V125 tmp117      [V125    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
 ;  V126 tmp118      [V126,T54] (  2,  2   )    long  ->  rdi         "Inlining Arg"
 ;* V127 tmp119      [V127    ] (  0,  0   )    long  ->  zero-ref    "Inline return value spill temp"
 ;* V128 tmp120      [V128    ] (  0,  0   )    long  ->  zero-ref    "Inline stloc first use temp"
 ;* V129 tmp121      [V129    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[byte]>
 ;  V130 tmp122      [V130,T17] (  6,  3   )   byref  ->  rsi         "Inline stloc first use temp"
 ;  V131 tmp123      [V131,T16] (  7,  3.50)     int  ->  rax         "Inline stloc first use temp"
 ;* V132 tmp124      [V132    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inline stloc first use temp" <System.Object>
 ;* V133 tmp125      [V133    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V134 tmp126      [V134    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <System.Buffers.MemoryManager`1[byte]>
 ;* V135 tmp127      [V135    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SBRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Span`1[byte]>
 ;* V136 tmp128      [V136    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest ld-addr-op "Inline stloc first use temp" <System.Span`1[byte]>
 ;  V137 tmp129      [V137,T61] (  3,  1.50)    long  ->  rcx         "Inline stloc first use temp"
 ;* V138 tmp130      [V138    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V139 tmp131      [V139    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "updating class info" <byte[]>
 ;* V140 tmp132      [V140    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <byte[]>
 ;  V141 tmp133      [V141,T47] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
 ;* V142 tmp134      [V142    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;  V143 tmp135      [V143,T26] (  3,  3   )   byref  ->  rcx         single-def "Inlining Arg"
 ;* V144 tmp136      [V144    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
 ;  V145 tmp137      [V145,T31] (  3,  3   )     int  ->  rcx         "Inlining Arg"
 ;  V146 tmp138      [V146,T55] (  2,  2   )    long  ->  rdi         "Inlining Arg"
 ;* V147 tmp139      [V147    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V148 tmp140      [V148    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V149 tmp141      [V149    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V150 tmp142      [V150    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;  V151 tmp143      [V151,T40] (  4,  2   )     ref  ->  r14         class-hnd "Inline return value spill temp" <System.Net.Quic.MsQuicApi>
 ;  V152 tmp144      [V152,T14] (  4,  4   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Lazy`1[System.Net.Quic.MsQuicApi]>
 ;* V153 tmp145      [V153    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V154 tmp146      [V154,T48] (  2,  2   )   byref  ->  rsi         single-def "Inlining Arg"
 ;  V155 tmp147      [V155    ] (  4,  1.50)   ubyte  ->  [rbp-0x58]  do-not-enreg[X] addr-exposed ld-addr-op "Inline stloc first use temp"
 ;  V156 tmp148      [V156,T75] (  3,  0   )     ref  ->  [rbp-0xF0]  class-hnd EH-live single-def "Inlining Arg" <System.Net.Quic.MsQuicSafeHandle>
 ;* V157 tmp149      [V157    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.Net.Quic.MsQuicApi>
 ;  V158 tmp150      [V158,T71] (  2,  1   )    long  ->  rax         "Inline stloc first use temp"
 ;  V159 tmp151      [V159,T62] (  3,  1.50)     int  ->  rbx         "Inline stloc first use temp"
 ;  V160 tmp152      [V160,T27] (  3,  3   )   byref  ->  rdi         single-def "Inlining Arg"
 ;  V161 tmp153      [V161,T49] (  2,  2   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Exception>
 ;  V162 tmp154      [V162,T28] (  3,  3   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Net.Quic.ResettableValueTaskSource>
 ;  V163 tmp155      [V163,T50] (  2,  2   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Exception>
 ;  V164 tmp156      [V164,T00] ( 17, 18   )  struct (16) [rbp-0x68]  do-not-enreg[SFR] multireg-ret must-init "Single return block return value" <System.Threading.Tasks.ValueTask>
 ;  V165 FramesRoot  [V165,T03] ( 14,  8   )    long  ->  [rbp-0x70]  spill-single-def "Pinvoke FrameListRoot"
 ;  V166 PInvokeFrame[V166    ] ( 15,  9.50)  struct (56) [rbp-0xA8]  do-not-enreg[XS] addr-exposed "Pinvoke FrameVar" <UNNAMED>
 ;  V167 tmp159      [V167,T11] (  5,  3   )     ref  ->  r14         single-def "field V03._source (fldOffset=0x0)" P-INDEP
 ;* V168 tmp160      [V168    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V53._obj (fldOffset=0x0)" P-INDEP
 ;* V169 tmp161      [V169    ] (  0,  0   )   short  ->  zero-ref    "field V53._token (fldOffset=0x8)" P-INDEP
 ;* V170 tmp162      [V170    ] (  0,  0   )   ubyte  ->  zero-ref    "field V53._continueOnCapturedContext (fldOffset=0xa)" P-INDEP
 ;* V171 tmp163      [V171    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V61._obj (fldOffset=0x0)" P-INDEP
 ;* V172 tmp164      [V172    ] (  0,  0   )   short  ->  zero-ref    "field V61._token (fldOffset=0x8)" P-INDEP
 ;* V173 tmp165      [V173    ] (  0,  0   )   ubyte  ->  zero-ref    "field V61._continueOnCapturedContext (fldOffset=0xa)" P-INDEP
 ;* V174 tmp166      [V174    ] (  0,  0   )     ref  ->  zero-ref    "field V84._source (fldOffset=0x0)" P-INDEP
 ;* V175 tmp167      [V175    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V85._obj (fldOffset=0x0)" P-INDEP
 ;* V176 tmp168      [V176    ] (  0,  0   )   short  ->  zero-ref    "field V85._token (fldOffset=0x8)" P-INDEP
 ;* V177 tmp169      [V177    ] (  0,  0   )   ubyte  ->  zero-ref    "field V85._continueOnCapturedContext (fldOffset=0xa)" P-INDEP
 ;* V178 tmp170      [V178    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V93._obj (fldOffset=0x0)" P-INDEP
 ;* V179 tmp171      [V179    ] (  0,  0   )   short  ->  zero-ref    "field V93._token (fldOffset=0x8)" P-INDEP
 ;* V180 tmp172      [V180    ] (  0,  0   )   ubyte  ->  zero-ref    "field V93._continueOnCapturedContext (fldOffset=0xa)" P-INDEP
 ;* V181 tmp173      [V181    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V114._obj (fldOffset=0x0)" P-INDEP
 ;* V182 tmp174      [V182    ] (  0,  0   )   short  ->  zero-ref    "field V114._token (fldOffset=0x8)" P-INDEP
 ;* V183 tmp175      [V183    ] (  0,  0   )   ubyte  ->  zero-ref    "field V114._continueOnCapturedContext (fldOffset=0xa)" P-INDEP
 ;* V184 tmp176      [V184    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V118._object (fldOffset=0x0)" P-INDEP
 ;* V185 tmp177      [V185    ] (  0,  0   )     int  ->  zero-ref    "field V118._index (fldOffset=0x8)" P-INDEP
 ;* V186 tmp178      [V186    ] (  0,  0   )     int  ->  zero-ref    "field V118._length (fldOffset=0xc)" P-INDEP
 ;* V187 tmp179      [V187    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V121._object (fldOffset=0x0)" P-INDEP
 ;* V188 tmp180      [V188    ] (  0,  0   )     int  ->  zero-ref    "field V121._index (fldOffset=0x8)" P-INDEP
 ;* V189 tmp181      [V189    ] (  0,  0   )     int  ->  zero-ref    "field V121._length (fldOffset=0xc)" P-INDEP
 ;* V190 tmp182      [V190    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V124._reference (fldOffset=0x0)" P-INDEP
 ;* V191 tmp183      [V191    ] (  0,  0   )     int  ->  zero-ref    "field V124._length (fldOffset=0x8)" P-INDEP
 ;* V192 tmp184      [V192    ] (  0,  0   )   byref  ->  zero-ref    "field V125._reference (fldOffset=0x0)" P-INDEP
 ;* V193 tmp185      [V193    ] (  0,  0   )     int  ->  zero-ref    "field V125._length (fldOffset=0x8)" P-INDEP
 ;* V194 tmp186      [V194    ] (  0,  0   )   byref  ->  zero-ref    "field V129._reference (fldOffset=0x0)" P-INDEP
 ;* V195 tmp187      [V195    ] (  0,  0   )     int  ->  zero-ref    "field V129._length (fldOffset=0x8)" P-INDEP
 ;* V196 tmp188      [V196    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V133._reference (fldOffset=0x0)" P-INDEP
 ;* V197 tmp189      [V197    ] (  0,  0   )     int  ->  zero-ref    "field V133._length (fldOffset=0x8)" P-INDEP
 ;* V198 tmp190      [V198    ] (  0,  0   )   byref  ->  zero-ref    do-not-enreg[] "field V135._reference (fldOffset=0x0)" P-DEP
 ;* V199 tmp191      [V199    ] (  0,  0   )     int  ->  zero-ref    do-not-enreg[] "field V135._length (fldOffset=0x8)" P-DEP
 ;  V200 tmp192      [V200,T67] (  2,  1   )   byref  ->  rsi         "field V136._reference (fldOffset=0x0)" P-INDEP
 ;  V201 tmp193      [V201,T72] (  2,  1   )     int  ->  rax         "field V136._length (fldOffset=0x8)" P-INDEP
 ;* V202 tmp194      [V202    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V142._reference (fldOffset=0x0)" P-INDEP
 ;* V203 tmp195      [V203    ] (  0,  0   )     int  ->  zero-ref    "field V142._length (fldOffset=0x8)" P-INDEP
 ;  V204 tmp196      [V204,T68] (  2,  1   )   byref  ->  rdi         single-def "field V144._reference (fldOffset=0x0)" P-INDEP
 ;* V205 tmp197      [V205    ] (  0,  0   )     int  ->  zero-ref    "field V144._length (fldOffset=0x8)" P-INDEP
 ;* V206 tmp198      [V206    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V147._reference (fldOffset=0x0)" P-INDEP
 ;* V207 tmp199      [V207    ] (  0,  0   )     int  ->  zero-ref    "field V147._length (fldOffset=0x8)" P-INDEP
 ;  V208 tmp200      [V208,T12] (  7,  4   )     ref  ->  [rbp-0xF8]  spill-single-def "V01.[000..008)"
 ;  V209 tmp201      [V209,T63] (  2,  1.50)     int  ->  [rbp-0xAC]  spill-single-def "V01.[008..012)"
 ;  V210 tmp202      [V210,T13] (  7,  4   )     int  ->  r13         "V01.[012..016)"
 ;  V211 tmp203      [V211,T41] (  4,  2   )     ref  ->  rbx         single-def "V05.[000..008)"
 ;  V212 tmp204      [V212,T73] (  2,  1   )   short  ->  r15         "V05.[008..010)"
 ;  V213 tmp205      [V213,T51] (  2,  2   )     ref  ->  rdi         single-def "argument with side effect"
 ;  V214 cse0        [V214,T59] (  3,  1.50)     ref  ->  [rbp-0x100]  spill-single-def "CSE #03: conservative"
 ;  V215 rat0        [V215,T29] (  3,  3   )     ref  ->  r12         "V01.rsi"
 ;  V216 rat1        [V216,T15] (  4,  4   )    long  ->  r13         "V01.rdx"
 ;
 ; Lcl frame size = 216
 
 G_M18097_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 216
        vzeroupper 
        lea      rbp, [rsp+0x100]
        xor      eax, eax
        mov      qword ptr [rbp-0x68], rax
        vxorps   xmm8, xmm8, xmm8
        vmovdqu  ymmword ptr [rbp-0x60], ymm8
        vmovdqa  xmmword ptr [rbp-0x40], xmm8
        mov      qword ptr [rbp-0x30], rax
        mov      rbx, rdi
        mov      r12, rsi
        mov      r13, rdx
        mov      r15d, ecx
        mov      r14, r8
 						;; size=68 bbWeight=1 PerfScore 13.58
 G_M18097_IG02:
        lea      rdi, [rbp-0xA8]
        call     CORINFO_HELP_INIT_PINVOKE_FRAME
        mov      qword ptr [rbp-0x70], rax
        mov      rdi, rsp
        mov      qword ptr [rbp-0x90], rdi
        mov      rdi, rbp
        mov      qword ptr [rbp-0x80], rdi
        mov      gword ptr [rbp-0xF8], r12
        mov      dword ptr [rbp-0xAC], r13d
        shr      r13, 32
-       cmp      byte  ptr [rbx+0x64], 0
+       cmp      byte  ptr [rbx+0x60], 0
        jne      G_M18097_IG48
 						;; size=61 bbWeight=1 PerfScore 10.50
 G_M18097_IG03:
-       cmp      byte  ptr [rbx+0x66], 0
+       cmp      byte  ptr [rbx+0x63], 0
        je       G_M18097_IG46
        mov      rdi, 0xD1FFAB1E      ; const ptr
        mov      rdx, gword ptr [rdi]
        mov      gword ptr [rbp-0x100], rdx
        cmp      byte  ptr [rdx+0x9D], 0
        je       G_M18097_IG07
        mov      rdi, 0xD1FFAB1E      ; System.Object[]
        mov      esi, 3
        call     CORINFO_HELP_NEWARR_1_PTR
        mov      gword ptr [rbp-0xC8], rax
        lea      rdi, bword ptr [rax+0x10]
        mov      rsi, rbx
        call     CORINFO_HELP_ASSIGN_REF
        mov      rdi, 0xD1FFAB1E      ; System.Int32
        call     CORINFO_HELP_NEWSFAST
        mov      dword ptr [rax+0x08], r13d
        mov      rcx, gword ptr [rbp-0xC8]
        lea      rdi, bword ptr [rcx+0x18]
        mov      rsi, rax
        call     CORINFO_HELP_ASSIGN_REF
        mov      rsi, 0xD1FFAB1E      ; 'completing'
        mov      rdi, 0xD1FFAB1E      ; 'not completing'
        test     r15b, r15b
        cmove    rsi, rdi
        mov      rdi, gword ptr [rbp-0xC8]
        mov      gword ptr [rdi+0x20], rsi
        mov      rsi, rdi
        mov      rdi, 0xD1FFAB1E      ; '{0} Stream writing memory of '{1}' bytes while {2} writes.'
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.FormattableStringFactory:Create(System.String,System.Object[]):System.FormattableString
        call     [rax]System.Runtime.CompilerServices.FormattableStringFactory:Create(System.String,System.Object[]):System.FormattableString
        mov      gword ptr [rbp-0xD0], rax
        mov      rcx, gword ptr [rbp-0x100]
        mov      gword ptr [rbp-0xD8], rcx
        mov      rdi, rbx
        mov      rdx, 0xD1FFAB1E      ; code for System.Net.NetEventSource:IdOf(System.Object):System.String
        call     [rdx]System.Net.NetEventSource:IdOf(System.Object):System.String
        mov      gword ptr [rbp-0xE0], rax
        mov      rdi, gword ptr [rbp-0xD0]
        test     rdi, rdi
        je       SHORT G_M18097_IG05
 						;; size=238 bbWeight=0.50 PerfScore 17.62
 G_M18097_IG04:
        mov      rcx, 0xD1FFAB1E      ; code for System.Net.NetEventSource:Format(System.FormattableString):System.String
        call     [rcx]System.Net.NetEventSource:Format(System.FormattableString):System.String
        mov      r8, rax
        mov      rax, gword ptr [rbp-0xE0]
        jmp      SHORT G_M18097_IG06
 						;; size=24 bbWeight=0.50 PerfScore 3.25
 G_M18097_IG05:
        mov      rax, gword ptr [rbp-0xE0]
        mov      rdi, 0xD1FFAB1E      ; ''
        mov      r8, rdi
 						;; size=20 bbWeight=0.50 PerfScore 0.75
 G_M18097_IG06:
        mov      rdi, gword ptr [rbp-0xD8]
        mov      rdx, rax
        mov      esi, 1
        mov      rcx, 0xD1FFAB1E      ; 'WriteAsync'
        mov      rax, 0xD1FFAB1E      ; code for System.Diagnostics.Tracing.EventSource:WriteEvent(int,System.String,System.String,System.String):this
        call     [rax]System.Diagnostics.Tracing.EventSource:WriteEvent(int,System.String,System.String,System.String):this
 						;; size=37 bbWeight=0.50 PerfScore 2.50
 G_M18097_IG07:
        mov      rdi, gword ptr [rbx+0x30]
        cmp      byte  ptr [rdi+0x10], 3
        jne      SHORT G_M18097_IG08
        test     r14, r14
        je       SHORT G_M18097_IG08
        cmp      dword ptr [r14+0x20], 0
        jne      G_M18097_IG45
 						;; size=26 bbWeight=0.50 PerfScore 4.62
 G_M18097_IG08:
        mov      rdi, gword ptr [rbx+0x30]
        lea      rsi, [rbp-0x38]
        mov      rdx, rbx
        mov      rcx, r14
        mov      r8, 0xD1FFAB1E      ; code for System.Net.Quic.ResettableValueTaskSource:TryGetValueTask(byref,System.Object,System.Threading.CancellationToken):bool:this
        cmp      dword ptr [rdi], edi
        call     [r8]System.Net.Quic.ResettableValueTaskSource:TryGetValueTask(byref,System.Object,System.Threading.CancellationToken):bool:this
        test     eax, eax
        je       G_M18097_IG43
        mov      r14, gword ptr [rbp-0x38]
        test     r14, r14
        je       SHORT G_M18097_IG09
        mov      rsi, r14
        mov      rdi, 0xD1FFAB1E      ; System.Threading.Tasks.Task
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ISINSTANCEOFCLASS
        call     [rax]CORINFO_HELP_ISINSTANCEOFCLASS
        test     rax, rax
        jne      G_M18097_IG11
        mov      rdi, r14
        movsx    rsi, word  ptr [rbp-0x30]
        mov      r11, 0xD1FFAB1E      ; code for System.Threading.Tasks.Sources.IValueTaskSource:GetStatus(short):int:this
        call     [r11]System.Threading.Tasks.Sources.IValueTaskSource:GetStatus(short):int:this
        test     eax, eax
        je       G_M18097_IG12
 						;; size=109 bbWeight=0.50 PerfScore 11.25
 G_M18097_IG09:
        mov      rbx, gword ptr [rbp-0x38]
        test     rbx, rbx
        je       SHORT G_M18097_IG10
        mov      rsi, rbx
        mov      rdi, 0xD1FFAB1E      ; System.Threading.Tasks.Task
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ISINSTANCEOFCLASS
        call     [rax]CORINFO_HELP_ISINSTANCEOFCLASS
        test     rax, rax
        je       G_M18097_IG39
        mov      esi, dword ptr [rax+0x34]
        and      esi, 0xD1FFAB1E
        cmp      esi, 0xD1FFAB1E
        jne      G_M18097_IG36
 						;; size=64 bbWeight=0.50 PerfScore 5.38
 G_M18097_IG10:
        mov      rbx, gword ptr [rbp-0x38]
        movsx    r15, word  ptr [rbp-0x30]
        test     rbx, rbx
        je       G_M18097_IG41
        mov      rsi, rbx
        mov      rdi, 0xD1FFAB1E      ; System.Threading.Tasks.Task
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ISINSTANCEOFCLASS
        call     [rax]CORINFO_HELP_ISINSTANCEOFCLASS
        test     rax, rax
        je       G_M18097_IG40
        mov      edi, dword ptr [rax+0x34]
        and      edi, 0xD1FFAB1E
        cmp      edi, 0xD1FFAB1E
        je       G_M18097_IG41
        mov      rdi, rax
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.TaskAwaiter:HandleNonSuccessAndDebuggerNotification(System.Threading.Tasks.Task,int)
        call     [rax]System.Runtime.CompilerServices.TaskAwaiter:HandleNonSuccessAndDebuggerNotification(System.Threading.Tasks.Task,int)
        jmp      G_M18097_IG41
 						;; size=95 bbWeight=0.50 PerfScore 8.75
 G_M18097_IG11:
        test     dword ptr [rax+0x34], 0xD1FFAB1E
        jne      G_M18097_IG09
 						;; size=13 bbWeight=0.50 PerfScore 1.50
 G_M18097_IG12:
        test     r13d, r13d
        je       G_M18097_IG38
-       lea      rdi, bword ptr [rbx+0x5C]
-       mov      ecx, 1
-       xor      eax, eax
-       lock     
-       cmpxchg  dword ptr [rdi], ecx
+       lea      rdi, bword ptr [rbx+0x61]
+       mov      eax, 1
+       xchg     byte  ptr [rdi], al
+       movzx    rax, al
        test     eax, eax
        jne      G_M18097_IG36
        mov      gword ptr [rbp-0xB8], rbx
        lea      r14, bword ptr [rbx+0x90]
        mov      bword ptr [rbp-0xE8], r14
        cmp      dword ptr [r14+0x08], 0
        jg       G_M18097_IG23
        mov      rdi, qword ptr [r14]
        xor      eax, eax
        mov      qword ptr [r14], rax
-						;; size=72 bbWeight=0.50 PerfScore 15.12
+						;; size=71 bbWeight=0.50 PerfScore 19.12
 G_M18097_IG13:
        mov      dword ptr [r14+0x08], eax
        test     rdi, rdi
        je       SHORT G_M18097_IG18
        mov      rax, 0xD1FFAB1E      ; function address
        mov      qword ptr [rbp-0x98], rax
        lea      rax, G_M18097_IG16
        mov      qword ptr [rbp-0x88], rax
        lea      rax, [rbp-0xA8]
        mov      rcx, qword ptr [rbp-0x70]
        mov      qword ptr [rcx+0x08], rax
        mov      byte  ptr [rcx+0x04], 0
 						;; size=59 bbWeight=0.50 PerfScore 4.50
 G_M18097_IG14:
        mov      rax, 0xD1FFAB1E      ; function address
 						;; size=10 bbWeight=0.50 PerfScore 0.12
 G_M18097_IG15:
        call     rax ; Interop+Sys:Free(ptr)
 						;; size=2 bbWeight=0.50 PerfScore 1.50
 G_M18097_IG16:
        mov      rbx, qword ptr [rbp-0x70]
        mov      byte  ptr [rbx+0x04], 1
        mov      rcx, 0xD1FFAB1E      ; function address
        cmp      dword ptr [rcx], 0
        je       SHORT G_M18097_IG17
        mov      rdi, 0xD1FFAB1E
        call     [rdi]CORINFO_HELP_STOP_FOR_GC
 						;; size=35 bbWeight=0.50 PerfScore 4.25
 G_M18097_IG17:
        mov      rdi, qword ptr [rbp-0xA0]
        mov      qword ptr [rbx+0x08], rdi
 						;; size=11 bbWeight=0.50 PerfScore 1.00
 G_M18097_IG18:
        mov      edi, 1
        mov      esi, 16
        mov      rax, 0xD1FFAB1E      ; function address
        mov      qword ptr [rbp-0x98], rax
        lea      rax, G_M18097_IG21
        mov      qword ptr [rbp-0x88], rax
        lea      rax, [rbp-0xA8]
        mov      rcx, qword ptr [rbp-0x70]
        mov      qword ptr [rcx+0x08], rax
        mov      byte  ptr [rcx+0x04], 0
 						;; size=60 bbWeight=0.50 PerfScore 3.62
 G_M18097_IG19:
        mov      rax, 0xD1FFAB1E      ; code for Interop+Sys:Calloc(nuint,nuint):ptr
 						;; size=10 bbWeight=0.50 PerfScore 0.12
 G_M18097_IG20:
        call     [rax]Interop+Sys:Calloc(nuint,nuint):ptr
 						;; size=2 bbWeight=0.50 PerfScore 1.50
 G_M18097_IG21:
        mov      rbx, qword ptr [rbp-0x70]
        mov      byte  ptr [rbx+0x04], 1
        mov      rcx, 0xD1FFAB1E      ; function address
        cmp      dword ptr [rcx], 0
        je       SHORT G_M18097_IG22
        mov      rdi, 0xD1FFAB1E
        call     [rdi]CORINFO_HELP_STOP_FOR_GC
 						;; size=35 bbWeight=0.50 PerfScore 4.25
 G_M18097_IG22:
        mov      rdi, qword ptr [rbp-0xA0]
        mov      qword ptr [rbx+0x08], rdi
        test     rax, rax
        je       G_M18097_IG54
        mov      r14, bword ptr [rbp-0xE8]
        mov      qword ptr [r14], rax
        mov      dword ptr [r14+0x08], 1
 						;; size=38 bbWeight=0.50 PerfScore 3.12
 G_M18097_IG23:
        mov      rax, qword ptr [r14]
        mov      qword ptr [rbp-0x50], rax
        movsxd   rdi, r13d
        mov      rcx, 0xD1FFAB1E      ; code for System.Runtime.InteropServices.NativeMemory:Alloc(nuint):ptr
        call     [rcx]System.Runtime.InteropServices.NativeMemory:Alloc(nuint):ptr
        mov      rdi, qword ptr [rbp-0x50]
        mov      qword ptr [rdi+0x08], rax
        mov      rdi, qword ptr [r14]
        mov      dword ptr [rdi], r13d
        xor      rsi, rsi
        xor      eax, eax
        mov      r12, gword ptr [rbp-0xF8]
        test     r12, r12
        je       SHORT G_M18097_IG26
        mov      rdi, qword ptr [r12]
        test     dword ptr [rdi], 0xD1FFAB1E
        jne      SHORT G_M18097_IG24
        mov      rdi, r12
        mov      rax, qword ptr [r12]
        mov      rax, qword ptr [rax+0x40]
        call     [rax+0x28]System.Buffers.MemoryManager`1[byte]:GetSpan():System.Span`1[byte]:this
        mov      rsi, rax
        mov      eax, edx
        jmp      SHORT G_M18097_IG25
 						;; size=85 bbWeight=0.50 PerfScore 14.50
 G_M18097_IG24:
        lea      rsi, bword ptr [r12+0x10]
        mov      eax, dword ptr [r12+0x08]
 						;; size=10 bbWeight=0.50 PerfScore 1.25
 G_M18097_IG25:
        mov      r12d, dword ptr [rbp-0xAC]
        and      r12d, 0xD1FFAB1E
        mov      ecx, r12d
        mov      edx, r13d
        add      rdx, rcx
        mov      eax, eax
        cmp      rdx, rax
        ja       G_M18097_IG55
        add      rsi, rcx
        mov      eax, r13d
 						;; size=40 bbWeight=0.50 PerfScore 2.00
 G_M18097_IG26:
        mov      rcx, qword ptr [r14]
        mov      rdi, qword ptr [rcx+0x08]
        mov      ecx, dword ptr [rcx]
        test     ecx, ecx
        jl       G_M18097_IG55
        cmp      eax, ecx
        ja       G_M18097_IG56
        mov      edx, eax
        mov      rax, 0xD1FFAB1E      ; code for System.SpanHelpers:Memmove(byref,byref,nuint)
        call     [rax]System.SpanHelpers:Memmove(byref,byref,nuint)
        mov      rdi, 0xD1FFAB1E      ; const ptr
        mov      rdi, gword ptr [rdi]
        cmp      gword ptr [rdi+0x08], 0
        jne      SHORT G_M18097_IG27
        mov      r14, gword ptr [rdi+0x18]
        jmp      SHORT G_M18097_IG28
 						;; size=65 bbWeight=0.50 PerfScore 10.62
 G_M18097_IG27:
        mov      rax, 0xD1FFAB1E      ; code for System.Lazy`1[System.__Canon]:CreateValue():System.__Canon:this
        call     [rax]System.Lazy`1[System.__Canon]:CreateValue():System.__Canon:this
        mov      r14, rax
 						;; size=15 bbWeight=0.50 PerfScore 1.75
 G_M18097_IG28:
        mov      rbx, gword ptr [rbp-0xB8]
        mov      r13, gword ptr [rbx+0x10]
        mov      gword ptr [rbp-0xC0], r13
        mov      r12, qword ptr [rbx+0x90]
        mov      gword ptr [rbp-0xB8], rbx
        lea      rsi, bword ptr [rbx+0x90]
        mov      eax, dword ptr [rsi+0x08]
        mov      dword ptr [rbp-0x44], eax
        mov      ecx, 4
        xor      esi, esi
        test     r15b, r15b
        mov      r15d, esi
        cmovne   r15d, ecx
        mov      gword ptr [rbp-0xF0], r13
        cmp      byte  ptr [r14], r14b
        mov      byte  ptr [rbp-0x58], 0
 						;; size=76 bbWeight=0.50 PerfScore 8.00
 G_M18097_IG29:
        lea      rsi, [rbp-0x58]
        mov      rdi, r13
        mov      rcx, 0xD1FFAB1E      ; code for System.Runtime.InteropServices.SafeHandle:DangerousAddRef(byref):this
        cmp      dword ptr [rdi], edi
        call     [rcx]System.Runtime.InteropServices.SafeHandle:DangerousAddRef(byref):this
        mov      rdi, qword ptr [r14+0x10]
        mov      rax, qword ptr [rdi+0xC8]
        mov      rdi, qword ptr [r13+0x08]
        mov      rsi, r12
        mov      edx, dword ptr [rbp-0x44]
        mov      ecx, r15d
        xor      r8d, r8d
        lea      r9, G_M18097_IG31
        mov      qword ptr [rbp-0x88], r9
        lea      r9, [rbp-0xA8]
        mov      r15, qword ptr [rbp-0x70]
        mov      qword ptr [r15+0x08], r9
        mov      byte  ptr [r15+0x04], 0
 						;; size=82 bbWeight=0.50 PerfScore 9.62
 G_M18097_IG30:
        call     rax
 						;; size=2 bbWeight=0.50 PerfScore 1.50
 G_M18097_IG31:
        mov      byte  ptr [r15+0x04], 1
        mov      rcx, 0xD1FFAB1E      ; function address
        cmp      dword ptr [rcx], 0
        je       SHORT G_M18097_IG32
        mov      rdi, 0xD1FFAB1E
        call     [rdi]CORINFO_HELP_STOP_FOR_GC
 						;; size=32 bbWeight=0.50 PerfScore 3.75
 G_M18097_IG32:
        mov      rdi, qword ptr [rbp-0xA0]
        mov      qword ptr [r15+0x08], rdi
        mov      ebx, eax
 						;; size=13 bbWeight=0.50 PerfScore 1.12
 G_M18097_IG33:
        cmp      byte  ptr [rbp-0x58], 0
        je       SHORT G_M18097_IG34
        mov      rdi, gword ptr [rbp-0xC0]
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.InteropServices.SafeHandle:InternalRelease(bool):this
        call     [rax]System.Runtime.InteropServices.SafeHandle:InternalRelease(bool):this
 						;; size=27 bbWeight=0.50 PerfScore 3.25
 G_M18097_IG34:
        mov      edi, ebx
        mov      rax, 0xD1FFAB1E      ; code for Microsoft.Quic.MsQuic:StatusFailed(int):bool
        call     [rax]Microsoft.Quic.MsQuic:StatusFailed(int):bool
        test     eax, eax
        je       SHORT G_M18097_IG36
        mov      r15, gword ptr [rbp-0xB8]
        lea      rdi, bword ptr [r15+0x90]
        mov      rax, 0xD1FFAB1E      ; code for System.Net.Quic.MsQuicBuffers:Reset():this
        call     [rax]System.Net.Quic.MsQuicBuffers:Reset():this
-       xor      esi, esi
-       mov      dword ptr [r15+0x5C], esi
+       mov      byte  ptr [r15+0x61], 0
        lea      rsi, [rbp-0x40]
        mov      edi, ebx
        mov      rax, 0xD1FFAB1E      ; code for System.Net.Quic.ThrowHelper:TryGetStreamExceptionForMsQuicStatus(int,byref):bool
        call     [rax]System.Net.Quic.ThrowHelper:TryGetStreamExceptionForMsQuicStatus(int,byref):bool
        test     eax, eax
        je       SHORT G_M18097_IG35
        lea      rdi, bword ptr [r15+0x38]
        mov      rsi, gword ptr [rbp-0x40]
        test     rdi, rdi
        je       G_M18097_IG57
        xor      rdx, rdx
        call     System.Threading.Interlocked:CompareExchangeObject(byref,System.Object,System.Object):System.Object
-						;; size=96 bbWeight=0.50 PerfScore 10.00
+						;; size=95 bbWeight=0.50 PerfScore 9.88
 G_M18097_IG35:
        mov      rdi, gword ptr [r15+0x38]
        mov      gword ptr [rbp-0x40], rdi
        cmp      gword ptr [rbp-0x40], 0
        je       SHORT G_M18097_IG36
        mov      rdi, gword ptr [r15+0x30]
        mov      rsi, gword ptr [rbp-0x40]
        cmp      byte  ptr [rdi], dil
        mov      edx, 1
        mov      rax, 0xD1FFAB1E      ; code for System.Net.Quic.ResettableValueTaskSource:TryComplete(System.Exception,bool):bool:this
        call     [rax]System.Net.Quic.ResettableValueTaskSource:TryComplete(System.Exception,bool):bool:this
 						;; size=43 bbWeight=0.50 PerfScore 6.75
 G_M18097_IG36:
        vmovdqu  xmm0, xmmword ptr [rbp-0x38]
        vmovdqu  xmmword ptr [rbp-0x68], xmm0
 						;; size=10 bbWeight=0.50 PerfScore 1.00
 G_M18097_IG37:
        jmp      G_M18097_IG51
 						;; size=5 bbWeight=0.50 PerfScore 1.00
 G_M18097_IG38:
        mov      rdi, gword ptr [rbx+0x30]
        cmp      byte  ptr [rdi], dil
        xor      rsi, rsi
        xor      edx, edx
        mov      rax, 0xD1FFAB1E      ; code for System.Net.Quic.ResettableValueTaskSource:TryComplete(System.Exception,bool):bool:this
        call     [rax]System.Net.Quic.ResettableValueTaskSource:TryComplete(System.Exception,bool):bool:this
        test     r15b, r15b
        je       SHORT G_M18097_IG36
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Net.Quic.QuicStream:CompleteWrites():this
        call     [rax]System.Net.Quic.QuicStream:CompleteWrites():this
        jmp      SHORT G_M18097_IG36
 						;; size=45 bbWeight=0.50 PerfScore 7.25
 G_M18097_IG39:
        mov      rdi, rbx
        movsx    rsi, word  ptr [rbp-0x30]
        mov      r11, 0xD1FFAB1E      ; code for System.Threading.Tasks.Sources.IValueTaskSource:GetStatus(short):int:this
        call     [r11]System.Threading.Tasks.Sources.IValueTaskSource:GetStatus(short):int:this
        cmp      eax, 1
        jne      SHORT G_M18097_IG36
        jmp      G_M18097_IG10
 						;; size=31 bbWeight=0.50 PerfScore 3.88
 G_M18097_IG40:
        mov      rdi, rbx
        mov      esi, r15d
        mov      r11, 0xD1FFAB1E      ; code for System.Threading.Tasks.Sources.IValueTaskSource:GetResult(short):this
        call     [r11]System.Threading.Tasks.Sources.IValueTaskSource:GetResult(short):this
 						;; size=19 bbWeight=0.50 PerfScore 1.88
 G_M18097_IG41:
        mov      rdi, 0xD1FFAB1E      ; System.InvalidOperationException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, 0xD1FFAB1E      ; 'net_writecompleted_invalidcall'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
        test     rsi, rsi
        jne      SHORT G_M18097_IG42
        mov      rdi, 0xD1FFAB1E      ; 'Arg_InvalidOperationException'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
 						;; size=73 bbWeight=0.50 PerfScore 5.12
 G_M18097_IG42:
        mov      rdi, 0xD1FFAB1E
        mov      qword ptr [rbx+0x68], rdi
        lea      rdi, bword ptr [rbx+0x10]
        call     CORINFO_HELP_ASSIGN_REF
        mov      dword ptr [rbx+0x6C], 0xD1FFAB1E
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Exception:SetCurrentStackTrace():this
        call     [rax]System.Exception:SetCurrentStackTrace():this
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        call     [rax]System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        test     rax, rax
        je       G_M18097_IG53
        mov      gword ptr [rbp-0x68], rax
        mov      word  ptr [rbp-0x60], 0
        mov      byte  ptr [rbp-0x5E], 1
        jmp      G_M18097_IG51
 						;; size=88 bbWeight=0.50 PerfScore 8.50
 G_M18097_IG43:
        mov      rdi, 0xD1FFAB1E      ; System.InvalidOperationException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, 0xD1FFAB1E      ; 'net_io_invalidnestedcall'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; 'write'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:Format(System.String,System.Object):System.String
        call     [rax]System.SR:Format(System.String,System.Object):System.String
        mov      rsi, rax
        test     rsi, rsi
        jne      SHORT G_M18097_IG44
        mov      rdi, 0xD1FFAB1E      ; 'Arg_InvalidOperationException'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
 						;; size=98 bbWeight=0.50 PerfScore 7.00
 G_M18097_IG44:
        mov      rdi, 0xD1FFAB1E
        mov      qword ptr [rbx+0x68], rdi
        lea      rdi, bword ptr [rbx+0x10]
        call     CORINFO_HELP_ASSIGN_REF
        mov      dword ptr [rbx+0x6C], 0xD1FFAB1E
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Exception:SetCurrentStackTrace():this
        call     [rax]System.Exception:SetCurrentStackTrace():this
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        call     [rax]System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        test     rax, rax
        je       G_M18097_IG53
        mov      gword ptr [rbp-0x68], rax
        mov      word  ptr [rbp-0x60], 0
        mov      byte  ptr [rbp-0x5E], 1
        jmp      G_M18097_IG51
 						;; size=88 bbWeight=0.50 PerfScore 8.50
 G_M18097_IG45:
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:FromCanceled(System.Threading.CancellationToken):System.Threading.Tasks.Task
        call     [rax]System.Threading.Tasks.Task:FromCanceled(System.Threading.CancellationToken):System.Threading.Tasks.Task
        test     rax, rax
        je       G_M18097_IG53
        mov      gword ptr [rbp-0x68], rax
        mov      word  ptr [rbp-0x60], 0
        mov      byte  ptr [rbp-0x5E], 1
        jmp      G_M18097_IG51
 						;; size=43 bbWeight=0.50 PerfScore 4.88
 G_M18097_IG46:
        mov      rdi, 0xD1FFAB1E      ; System.InvalidOperationException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, 0xD1FFAB1E      ; 'net_quic_writing_notallowed'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
        test     rsi, rsi
        jne      SHORT G_M18097_IG47
        mov      rdi, 0xD1FFAB1E      ; 'Arg_InvalidOperationException'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
 						;; size=73 bbWeight=0.50 PerfScore 5.12
 G_M18097_IG47:
        mov      rdi, 0xD1FFAB1E
        mov      qword ptr [rbx+0x68], rdi
        lea      rdi, bword ptr [rbx+0x10]
        call     CORINFO_HELP_ASSIGN_REF
        mov      dword ptr [rbx+0x6C], 0xD1FFAB1E
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Exception:SetCurrentStackTrace():this
        call     [rax]System.Exception:SetCurrentStackTrace():this
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        call     [rax]System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        test     rax, rax
        je       G_M18097_IG53
        mov      gword ptr [rbp-0x68], rax
        mov      word  ptr [rbp-0x60], 0
        mov      byte  ptr [rbp-0x5E], 1
        jmp      G_M18097_IG51
 						;; size=88 bbWeight=0.50 PerfScore 8.50
 G_M18097_IG48:
        mov      rdi, 0xD1FFAB1E      ; System.ObjectDisposedException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, 0xD1FFAB1E      ; 'ObjectDisposed_Generic'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
        test     rsi, rsi
        jne      SHORT G_M18097_IG49
        mov      rdi, 0xD1FFAB1E      ; 'ObjectDisposed_Generic'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
 						;; size=73 bbWeight=0.50 PerfScore 5.12
 G_M18097_IG49:
        test     rsi, rsi
        jne      SHORT G_M18097_IG50
        mov      rdi, 0xD1FFAB1E      ; 'Arg_InvalidOperationException'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      rsi, rax
 						;; size=30 bbWeight=0.50 PerfScore 2.50
 G_M18097_IG50:
        mov      rdi, 0xD1FFAB1E
        mov      qword ptr [rbx+0x68], rdi
        lea      rdi, bword ptr [rbx+0x10]
        call     CORINFO_HELP_ASSIGN_REF
        mov      dword ptr [rbx+0x6C], 0xD1FFAB1E
        mov      rdi, 0xD1FFAB1E      ; 'QuicStream'
        mov      gword ptr [rbx+0x70], rdi
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Exception:SetCurrentStackTrace():this
        call     [rax]System.Exception:SetCurrentStackTrace():this
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        call     [rax]System.Threading.Tasks.Task:FromException(System.Exception):System.Threading.Tasks.Task
        test     rax, rax
        je       SHORT G_M18097_IG53
        mov      gword ptr [rbp-0x68], rax
        mov      word  ptr [rbp-0x60], 0
        mov      byte  ptr [rbp-0x5E], 1
 						;; size=93 bbWeight=0.50 PerfScore 8.12
 G_M18097_IG51:
        mov      rax, gword ptr [rbp-0x68]
        mov      rdx, qword ptr [rbp-0x60]
 						;; size=8 bbWeight=1 PerfScore 2.00
 G_M18097_IG52:
        add      rsp, 216
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=18 bbWeight=1 PerfScore 4.25
 G_M18097_IG53:
        mov      edi, 9
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentNullException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentNullException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 G_M18097_IG54:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowOutOfMemoryException()
        call     [rax]System.ThrowHelper:ThrowOutOfMemoryException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M18097_IG55:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M18097_IG56:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
        call     [rax]System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M18097_IG57:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowNullReferenceException()
        call     [rax]System.ThrowHelper:ThrowNullReferenceException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M18097_IG58:
        push     rax
        vzeroupper 
 						;; size=4 bbWeight=0 PerfScore 0.00
 G_M18097_IG59:
        cmp      byte  ptr [rbp-0x58], 0
        je       SHORT G_M18097_IG60
        mov      rax, gword ptr [rbp-0xF0]
        cmp      byte  ptr [rax], al
        mov      rdi, rax
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.InteropServices.SafeHandle:InternalRelease(bool):this
        call     [rax]System.Runtime.InteropServices.SafeHandle:InternalRelease(bool):this
 						;; size=32 bbWeight=0 PerfScore 0.00
 G_M18097_IG60:
        nop      
 						;; size=1 bbWeight=0 PerfScore 0.00
 G_M18097_IG61:
        add      rsp, 8
        ret      
 						;; size=5 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 2670, prolog size 68, PerfScore 277.58, instruction count 560, allocated bytes for code 2670 (MethodHash=37cfb94e) for method System.Net.Quic.QuicStream:WriteAsync(System.ReadOnlyMemory`1[byte],bool,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask:this (FullOpts)
+; Total bytes of code 2668, prolog size 68, PerfScore 281.46, instruction count 558, allocated bytes for code 2668 (MethodHash=37cfb94e) for method System.Net.Quic.QuicStream:WriteAsync(System.ReadOnlyMemory`1[byte],bool,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask:this (FullOpts)
 ; ============================================================

Larger list of diffs: https://gist.github.com/MihuBot/a993f0a8b41259185cc87105659a97ca

[MihuBot]

@MihaZupan