[MichalPetryka] Unify Default Comparer logic

[MihuBot]

Build completed in 2 hours 19 minutes.
dotnet/runtime#88006

CoreLib diffs

Found 2 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 6452667
Total bytes of diff: 6452880
Total bytes of delta: 213 (0.00 % of base)
Total relative delta: 2.67
    diff is a regression.
    relative diff is a regression.


Total byte diff includes -366 bytes from reconciling methods
	Base had    2 unique methods,      366 unique bytes
	Diff had    0 unique methods,        0 unique bytes

Top file regressions (bytes):
         213 : System.Private.CoreLib.dasm (0.00 % of base)

1 total files with Code Size differences (0 improved, 1 regressed), 0 unchanged.

Top method regressions (bytes):
          84 (24.14 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          67 (20.06 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          50 (17.48 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          49 (18.01 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          38 (16.81 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          36 (16.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          23 (2.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:Equals(System.Collections.Generic.HashSet`1[System.__Canon],System.Collections.Generic.HashSet`1[System.__Canon]):bool:this (FullOpts)
          23 (14.29 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Threading.Tasks.ValueTask`1[System.__Canon]):bool:this (FullOpts)
          23 (16.43 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Equality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          23 (15.54 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Inequality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          23 (18.11 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
          23 (22.55 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.ValueTuple`1[System.__Canon]):bool:this (FullOpts)
          20 (3.43 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSet`1[System.__Canon]:Remove(System.__Canon):bool:this (FullOpts)
          20 (8.16 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:CommonPrefixLength[System.__Canon](System.ReadOnlySpan`1[System.__Canon],System.ReadOnlySpan`1[System.__Canon]):int (FullOpts)
          18 (11.54 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          16 (10.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          16 (7.84 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (9.94 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):bool:this (FullOpts)
          10 (2.39 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultComparer(System.Type):System.Object (FullOpts)
          10 (4.72 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
           3 (1.63 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (0.85 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (2.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:GetHashCode():int:this (FullOpts)
           2 (1.96 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:CompareTo(System.ValueTuple`1[System.__Canon]):int:this (FullOpts)
           2 (1.16 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)
           2 (1.14 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:CompareTo(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):int:this (FullOpts)
           2 (0.75 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)

Top method improvements (bytes):
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
         -24 (-4.79 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object (FullOpts)

Top method regressions (percentages):
          84 (24.14 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          23 (22.55 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.ValueTuple`1[System.__Canon]):bool:this (FullOpts)
          67 (20.06 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          23 (18.11 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
          49 (18.01 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          50 (17.48 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          38 (16.81 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          36 (16.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          23 (16.43 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Equality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          23 (15.54 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Inequality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          23 (14.29 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Threading.Tasks.ValueTask`1[System.__Canon]):bool:this (FullOpts)
          18 (11.54 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          16 (10.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          16 (9.94 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):bool:this (FullOpts)
          20 (8.16 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:CommonPrefixLength[System.__Canon](System.ReadOnlySpan`1[System.__Canon],System.ReadOnlySpan`1[System.__Canon]):int (FullOpts)
          16 (7.84 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          10 (4.72 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
          20 (3.43 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSet`1[System.__Canon]:Remove(System.__Canon):bool:this (FullOpts)
          23 (2.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:Equals(System.Collections.Generic.HashSet`1[System.__Canon],System.Collections.Generic.HashSet`1[System.__Canon]):bool:this (FullOpts)
          10 (2.39 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultComparer(System.Type):System.Object (FullOpts)
           2 (2.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:GetHashCode():int:this (FullOpts)
           2 (1.96 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:CompareTo(System.ValueTuple`1[System.__Canon]):int:this (FullOpts)
           3 (1.63 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (1.16 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)
           2 (1.14 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:CompareTo(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):int:this (FullOpts)
           2 (0.85 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (0.75 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)

Top method improvements (percentages):
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
         -24 (-4.79 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object (FullOpts)

30 total methods with Code Size differences (3 improved, 27 regressed), 52365 unchanged.

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

Frameworks diffs

Diffs

Found 377 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 37841547
Total bytes of diff: 37843115
Total bytes of delta: 1568 (0.00 % of base)
Total relative delta: 11.84
    diff is a regression.
    relative diff is a regression.


Total byte diff includes -366 bytes from reconciling methods
	Base had    2 unique methods,      366 unique bytes
	Diff had    0 unique methods,        0 unique bytes

Top file regressions (bytes):
         609 : System.Collections.Immutable.dasm (0.03 % of base)
         249 : System.Composition.TypedParts.dasm (0.46 % of base)
         213 : System.Private.CoreLib.dasm (0.00 % of base)
         131 : System.Linq.Expressions.dasm (0.01 % of base)
         117 : Microsoft.NET.WebAssembly.Webcil.dasm (0.48 % of base)
          83 : System.Linq.Queryable.dasm (0.02 % of base)
          83 : System.Linq.dasm (0.01 % of base)
          39 : System.Text.RegularExpressions.dasm (0.01 % of base)
          32 : Microsoft.CSharp.dasm (0.01 % of base)
          12 : System.Collections.dasm (0.00 % of base)

10 total files with Code Size differences (0 improved, 10 regressed), 246 unchanged.

Top method regressions (bytes):
         260 (262.63 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:Sort():System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:this (FullOpts)
         178 (156.14 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1[System.__Canon]:Replace(System.__Canon,System.__Canon):System.Collections.Immutable.ImmutableList`1[System.__Canon]:this (FullOpts)
          84 (24.14 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          74 (25.08 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.ValueTypeDefaultComparerFrozenSet`1[System.__Canon]:FindItemIndex(System.__Canon):int:this (FullOpts)
          70 (22.51 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.ValueTypeDefaultComparerFrozenDictionary`2[System.__Canon,System.Nullable`1[int]]:GetValueRefOrNullRefCore(System.__Canon):byref:this (FullOpts)
          67 (55.83 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          67 (55.83 % of base) : System.Linq.Queryable.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          67 (55.83 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType1`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          67 (55.83 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType2`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          67 (20.06 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          65 (19.64 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.CollectionExtensions:ListHashCode[System.__Canon](System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]):int (FullOpts)
          60 (23.26 % of base) : Microsoft.NET.WebAssembly.Webcil.dasm - Microsoft.NET.WebAssembly.Webcil.WebcilConverter+PEFileInfo:GetHashCode():int:this (FullOpts)
          57 (20.07 % of base) : Microsoft.NET.WebAssembly.Webcil.dasm - Microsoft.NET.WebAssembly.Webcil.WebcilConverter+WCFileInfo:GetHashCode():int:this (FullOpts)
          50 (17.48 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          49 (18.01 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          38 (16.81 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          36 (16.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          23 (2.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:Equals(System.Collections.Generic.HashSet`1[System.__Canon],System.Collections.Generic.HashSet`1[System.__Canon]):bool:this (FullOpts)
          23 (8.52 % of base) : System.Linq.dasm - System.Linq.Enumerable+ListPartition`1[System.__Canon]:IndexOf(System.__Canon):int:this (FullOpts)
          23 (21.50 % of base) : System.Linq.dasm - System.Linq.Enumerable+RepeatIterator`1[System.__Canon]:Contains(System.__Canon):bool:this (FullOpts)
          23 (14.29 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Threading.Tasks.ValueTask`1[System.__Canon]):bool:this (FullOpts)
          23 (16.43 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Equality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          23 (15.54 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Inequality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          23 (18.11 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
          23 (22.55 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.ValueTuple`1[System.__Canon]):bool:this (FullOpts)
          22 (7.75 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.CollectionExtensions:ListEquals[System.__Canon](System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon],System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]):bool (FullOpts)
          22 (6.98 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.Helpers:CommonNode[System.__Canon](System.__Canon,System.__Canon,System.Func`2[System.__Canon,System.__Canon]):System.__Canon (FullOpts)
          22 (18.18 % of base) : System.Linq.dasm - System.Linq.Enumerable+RepeatIterator`1[System.__Canon]:IndexOf(System.__Canon):int:this (FullOpts)
          22 (6.98 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.Interpreter.LabelInfo:CommonNode[System.__Canon](System.__Canon,System.__Canon,System.Func`2[System.__Canon,System.__Canon]):System.__Canon (FullOpts)
          20 (3.43 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSet`1[System.__Canon]:Remove(System.__Canon):bool:this (FullOpts)
          20 (8.16 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:CommonPrefixLength[System.__Canon](System.ReadOnlySpan`1[System.__Canon],System.ReadOnlySpan`1[System.__Canon]):int (FullOpts)
          20 (14.49 % of base) : System.Text.RegularExpressions.dasm - System.Text.RegularExpressions.CaptureCollection:System.Collections.Generic.IList<System.Text.RegularExpressions.Capture>.IndexOf(System.Text.RegularExpressions.Capture):int:this (FullOpts)
          19 (10.61 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeDefaultComparerFrozenSet`1[System.__Canon]:FindItemIndex(System.__Canon):int:this (FullOpts)
          19 (12.34 % of base) : System.Text.RegularExpressions.dasm - System.Text.RegularExpressions.GroupCollection:System.Collections.Generic.IList<System.Text.RegularExpressions.Group>.IndexOf(System.Text.RegularExpressions.Group):int:this (FullOpts)
          18 (11.54 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          16 (7.37 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (7.37 % of base) : System.Linq.Queryable.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (7.37 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType1`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (7.37 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType2`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (9.94 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.__Canon,System.Nullable`1[int]]:Equals(Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.__Canon,System.Nullable`1[int]]):bool:this (FullOpts)
          16 (6.93 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (8.12 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeDefaultComparerFrozenDictionary`2[System.__Canon,System.Nullable`1[int]]:GetValueRefOrNullRefCore(System.__Canon):byref:this (FullOpts)
          16 (10.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          16 (7.84 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (9.94 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):bool:this (FullOpts)
          13 (1.80 % of base) : System.Linq.dasm - System.Linq.Enumerable:Contains[System.__Canon](System.Collections.Generic.IEnumerable`1[System.__Canon],System.__Canon,System.Collections.Generic.IEqualityComparer`1[System.__Canon]):bool (FullOpts)
          10 (2.39 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultComparer(System.Type):System.Object (FullOpts)
          10 (4.72 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
           5 (2.51 % of base) : System.Collections.dasm - System.Collections.Generic.LinkedList`1[System.__Canon]:Find(System.__Canon):System.Collections.Generic.LinkedListNode`1[System.__Canon]:this (FullOpts)
           5 (2.16 % of base) : System.Collections.dasm - System.Collections.Generic.LinkedList`1[System.__Canon]:FindLast(System.__Canon):System.Collections.Generic.LinkedListNode`1[System.__Canon]:this (FullOpts)
           4 (1.65 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeComparableFrozenDictionary`2[System.__Canon,System.Nullable`1[int]]:GetValueRefOrNullRefCore(System.__Canon):byref:this (FullOpts)
           4 (1.79 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeComparableFrozenSet`1[System.__Canon]:FindItemIndex(System.__Canon):int:this (FullOpts)
           3 (1.63 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (0.85 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (2.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:GetHashCode():int:this (FullOpts)
           2 (0.98 % of base) : System.Collections.dasm - System.Collections.StructuralComparer:Compare(System.Object,System.Object):int:this (FullOpts)
           2 (1.83 % of base) : System.Linq.dasm - System.Linq.OrderedImplicitlyStableEnumerable`1+<>c[System.__Canon]:<Sort>b__7_0(System.__Canon,System.__Canon):int:this (FullOpts)
           2 (1.96 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:CompareTo(System.ValueTuple`1[System.__Canon]):int:this (FullOpts)
           2 (1.16 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)
           2 (1.14 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:CompareTo(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):int:this (FullOpts)
           2 (0.75 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)

Top method improvements (bytes):
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
         -24 (-4.79 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object (FullOpts)
          -9 (-4.37 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1[ubyte]:System.Collections.IList.Contains(System.Object):bool:this (FullOpts)
          -7 (-5.56 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1[ubyte]:Contains(ubyte):bool:this (FullOpts)

Top method regressions (percentages):
         260 (262.63 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:Sort():System.Collections.Immutable.ImmutableList`1+Node[System.__Canon]:this (FullOpts)
         178 (156.14 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1[System.__Canon]:Replace(System.__Canon,System.__Canon):System.Collections.Immutable.ImmutableList`1[System.__Canon]:this (FullOpts)
          67 (55.83 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          67 (55.83 % of base) : System.Linq.Queryable.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          67 (55.83 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType1`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          67 (55.83 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType2`2[System.__Canon,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
          74 (25.08 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.ValueTypeDefaultComparerFrozenSet`1[System.__Canon]:FindItemIndex(System.__Canon):int:this (FullOpts)
          84 (24.14 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          60 (23.26 % of base) : Microsoft.NET.WebAssembly.Webcil.dasm - Microsoft.NET.WebAssembly.Webcil.WebcilConverter+PEFileInfo:GetHashCode():int:this (FullOpts)
          23 (22.55 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.ValueTuple`1[System.__Canon]):bool:this (FullOpts)
          70 (22.51 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.ValueTypeDefaultComparerFrozenDictionary`2[System.__Canon,System.Nullable`1[int]]:GetValueRefOrNullRefCore(System.__Canon):byref:this (FullOpts)
          23 (21.50 % of base) : System.Linq.dasm - System.Linq.Enumerable+RepeatIterator`1[System.__Canon]:Contains(System.__Canon):bool:this (FullOpts)
          57 (20.07 % of base) : Microsoft.NET.WebAssembly.Webcil.dasm - Microsoft.NET.WebAssembly.Webcil.WebcilConverter+WCFileInfo:GetHashCode():int:this (FullOpts)
          67 (20.06 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          65 (19.64 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.CollectionExtensions:ListHashCode[System.__Canon](System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]):int (FullOpts)
          22 (18.18 % of base) : System.Linq.dasm - System.Linq.Enumerable+RepeatIterator`1[System.__Canon]:IndexOf(System.__Canon):int:this (FullOpts)
          23 (18.11 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
          49 (18.01 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          50 (17.48 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
          38 (16.81 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          36 (16.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,int):int (FullOpts)
          23 (16.43 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Equality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          23 (15.54 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:op_Inequality(System.Threading.Tasks.ValueTask`1[System.__Canon],System.Threading.Tasks.ValueTask`1[System.__Canon]):bool (FullOpts)
          20 (14.49 % of base) : System.Text.RegularExpressions.dasm - System.Text.RegularExpressions.CaptureCollection:System.Collections.Generic.IList<System.Text.RegularExpressions.Capture>.IndexOf(System.Text.RegularExpressions.Capture):int:this (FullOpts)
          23 (14.29 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Threading.Tasks.ValueTask`1[System.__Canon]):bool:this (FullOpts)
          19 (12.34 % of base) : System.Text.RegularExpressions.dasm - System.Text.RegularExpressions.GroupCollection:System.Collections.Generic.IList<System.Text.RegularExpressions.Group>.IndexOf(System.Text.RegularExpressions.Group):int:this (FullOpts)
          18 (11.54 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          16 (10.67 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,int):int (FullOpts)
          19 (10.61 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeDefaultComparerFrozenSet`1[System.__Canon]:FindItemIndex(System.__Canon):int:this (FullOpts)
          16 (9.94 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.__Canon,System.Nullable`1[int]]:Equals(Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.__Canon,System.Nullable`1[int]]):bool:this (FullOpts)
          16 (9.94 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):bool:this (FullOpts)
          23 (8.52 % of base) : System.Linq.dasm - System.Linq.Enumerable+ListPartition`1[System.__Canon]:IndexOf(System.__Canon):int:this (FullOpts)
          20 (8.16 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:CommonPrefixLength[System.__Canon](System.ReadOnlySpan`1[System.__Canon],System.ReadOnlySpan`1[System.__Canon]):int (FullOpts)
          16 (8.12 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeDefaultComparerFrozenDictionary`2[System.__Canon,System.Nullable`1[int]]:GetValueRefOrNullRefCore(System.__Canon):byref:this (FullOpts)
          16 (7.84 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          22 (7.75 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.CollectionExtensions:ListEquals[System.__Canon](System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon],System.Collections.ObjectModel.ReadOnlyCollection`1[System.__Canon]):bool (FullOpts)
          16 (7.37 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (7.37 % of base) : System.Linq.Queryable.dasm - <>f__AnonymousType0`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (7.37 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType1`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          16 (7.37 % of base) : System.Composition.TypedParts.dasm - <>f__AnonymousType2`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          22 (6.98 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.Helpers:CommonNode[System.__Canon](System.__Canon,System.__Canon,System.Func`2[System.__Canon,System.__Canon]):System.__Canon (FullOpts)
          22 (6.98 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.Interpreter.LabelInfo:CommonNode[System.__Canon](System.__Canon,System.__Canon,System.Func`2[System.__Canon,System.__Canon]):System.__Canon (FullOpts)
          16 (6.93 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.__Canon,System.Nullable`1[int]]:Equals(System.Object):bool:this (FullOpts)
          10 (4.72 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.ValueTask`1[System.__Canon]:Equals(System.Object):bool:this (FullOpts)
          20 (3.43 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSet`1[System.__Canon]:Remove(System.__Canon):bool:this (FullOpts)
          23 (2.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:Equals(System.Collections.Generic.HashSet`1[System.__Canon],System.Collections.Generic.HashSet`1[System.__Canon]):bool:this (FullOpts)
           5 (2.51 % of base) : System.Collections.dasm - System.Collections.Generic.LinkedList`1[System.__Canon]:Find(System.__Canon):System.Collections.Generic.LinkedListNode`1[System.__Canon]:this (FullOpts)
          10 (2.39 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultComparer(System.Type):System.Object (FullOpts)
           2 (2.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.HashSetEqualityComparer`1[System.__Canon]:GetHashCode():int:this (FullOpts)
           5 (2.16 % of base) : System.Collections.dasm - System.Collections.Generic.LinkedList`1[System.__Canon]:FindLast(System.__Canon):System.Collections.Generic.LinkedListNode`1[System.__Canon]:this (FullOpts)
           2 (1.96 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:CompareTo(System.ValueTuple`1[System.__Canon]):int:this (FullOpts)
           2 (1.83 % of base) : System.Linq.dasm - System.Linq.OrderedImplicitlyStableEnumerable`1+<>c[System.__Canon]:<Sort>b__7_0(System.__Canon,System.__Canon):int:this (FullOpts)
          13 (1.80 % of base) : System.Linq.dasm - System.Linq.Enumerable:Contains[System.__Canon](System.Collections.Generic.IEnumerable`1[System.__Canon],System.__Canon,System.Collections.Generic.IEqualityComparer`1[System.__Canon]):bool (FullOpts)
           4 (1.79 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeComparableFrozenSet`1[System.__Canon]:FindItemIndex(System.__Canon):int:this (FullOpts)
           4 (1.65 % of base) : System.Collections.Immutable.dasm - System.Collections.Frozen.SmallValueTypeComparableFrozenDictionary`2[System.__Canon,System.Nullable`1[int]]:GetValueRefOrNullRefCore(System.__Canon):byref:this (FullOpts)
           3 (1.63 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (1.16 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`1[System.__Canon]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)
           2 (1.14 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:CompareTo(System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]):int:this (FullOpts)
           2 (0.98 % of base) : System.Collections.dasm - System.Collections.StructuralComparer:Compare(System.Object,System.Object):int:this (FullOpts)
           2 (0.85 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[System.__Canon](System.__Canon[],System.__Canon,int,int):int (FullOpts)
           2 (0.75 % of base) : System.Private.CoreLib.dasm - System.ValueTuple`2[System.__Canon,System.Nullable`1[int]]:System.IComparable.CompareTo(System.Object):int:this (FullOpts)

Top method improvements (percentages):
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
        -183 (-100.00 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object (FullOpts) (1 base, 0 diff methods)
          -7 (-5.56 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1[ubyte]:Contains(ubyte):bool:this (FullOpts)
         -24 (-4.79 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object (FullOpts)
          -9 (-4.37 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableList`1[ubyte]:System.Collections.IList.Contains(System.Object):bool:this (FullOpts)

66 total methods with Code Size differences (5 improved, 61 regressed), 232863 unchanged.

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

Artifacts:

• diff-corelib.txt (11 KB)
• diff-frameworks.txt (26 KB)
• jit-diffs-corelib.zip (31 MB)
• jit-diffs-frameworks.zip (173 MB)
• build-artifacts-main.zip (329 MB)
• build-artifacts-pr.zip (329 MB)
• build-clr-checked-main.zip (370 MB)
• build-clr-checked-pr.zip (370 MB)
• build-logs.txt (1 MB)

[MihuBot]

Top method regressions

84 (24.14 % of base) - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int

 ; Assembly listing for method System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
+; 0 inlinees with PGO data; 0 single block inlinees; 4 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T09] (  5,  4.20)    long  ->  rdi         single-def
-;  V01 arg0         [V01,T07] (  3,  6   )   byref  ->  rbx         single-def
-;  V02 arg1         [V02,T08] (  3,  6   )     ref  ->  r15         class-hnd single-def
-;  V03 arg2         [V03,T10] (  3,  4   )     ref  ->  r14         class-hnd single-def
-;  V04 arg3         [V04,T11] (  3,  4   )     ref  ->  r13         class-hnd single-def
-;  V05 arg4         [V05,T12] (  3,  4   )     ref  ->  r12         class-hnd single-def
-;  V06 arg5         [V06,T14] (  2,  5   )     int  ->  [rbp+10H]   single-def
-;  V07 loc0         [V07,T01] (  6, 17.50)     int  ->  [rbp-34H]  
-;  V08 loc1         [V08,T02] (  5, 14   )   byref  ->  [rbp-48H]   spill-single-def
+;  V00 TypeCtx      [V00,T16] (  5,  4.20)    long  ->  rdi         single-def
+;  V01 arg0         [V01,T15] (  3,  6   )   byref  ->  r12         single-def
+;  V02 arg1         [V02,T00] (  5, 22   )     ref  ->  rbx         class-hnd single-def
+;  V03 arg2         [V03,T01] (  5, 22   )     ref  ->  r15         class-hnd single-def
+;  V04 arg3         [V04,T02] (  5, 22   )     ref  ->  r14         class-hnd single-def
+;  V05 arg4         [V05,T03] (  5, 22   )     ref  ->  r13         class-hnd single-def
+;  V06 arg5         [V06,T18] (  2,  5   )     int  ->  [rbp+10H]   single-def
+;  V07 loc0         [V07,T05] (  6, 17.50)     int  ->  [rbp-34H]  
+;  V08 loc1         [V08,T09] (  5, 14   )   byref  ->  [rbp-48H]   spill-single-def
 ;# V09 OutArgs      [V09    ] (  1,  1   )  struct ( 0) [rsp+00H]   do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V10 tmp1         [V10    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V11 tmp2         [V11    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V12 tmp3         [V12    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V13 tmp4         [V13    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
-;  V14 tmp5         [V14,T00] (  3, 24   )     ref  ->  rax         "argument with side effect"
-;  V15 tmp6         [V15,T03] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V16 tmp7         [V16,T04] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V17 tmp8         [V17,T05] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V18 cse0         [V18,T06] (  5, 11   )    long  ->  [rbp-40H]   spill-single-def "CSE - aggressive"
-;  V19 rat0         [V19,T15] (  3,  4   )    long  ->  registers   "runtime lookup"
-;  V20 rat1         [V20,T13] (  3,  5.60)    long  ->  rdx         "fgMakeTemp is creating a new local variable"
+;  V14 tmp5         [V14,T10] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V15 tmp6         [V15,T04] (  4, 24   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V16 tmp7         [V16,T11] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V17 tmp8         [V17,T06] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V18 tmp9         [V18,T12] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V19 tmp10        [V19,T07] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V20 tmp11        [V20,T13] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V21 tmp12        [V21,T08] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V22 cse0         [V22,T14] (  5, 11   )    long  ->  [rbp-40H]   spill-single-def "CSE - moderate"
+;  V23 rat0         [V23,T19] (  3,  4   )    long  ->  registers   "runtime lookup"
+;  V24 rat1         [V24,T17] (  3,  5.60)    long  ->  rdx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 40
 
 G_M17073_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+50H]
        mov      qword ptr [rbp-30H], rdi
-       mov      rbx, rsi
-       mov      r15, rdx
-       mov      r14, rcx
-       mov      r13, r8
-       mov      r12, r9
+       mov      r12, rsi
+       mov      rbx, rdx
+       mov      r15, rcx
+       mov      r14, r8
+       mov      r13, r9
        mov      eax, dword ptr [rbp+10H]
 						;; size=41 bbWeight=1 PerfScore 10.00
 G_M17073_IG02:
        xor      ecx, ecx
        mov      dword ptr [rbp-34H], ecx
        mov      dword ptr [rbp+10H], eax
        test     eax, eax
-       jle      G_M17073_IG09
+       jle      G_M17073_IG26
        mov      rsi, qword ptr [rdi+10H]
        mov      rdx, qword ptr [rsi+10H]
        test     rdx, rdx
        je       SHORT G_M17073_IG04
 						;; size=29 bbWeight=1 PerfScore 8.75
 G_M17073_IG03:
        jmp      SHORT G_M17073_IG05
 						;; size=2 bbWeight=0.80 PerfScore 1.60
 G_M17073_IG04:
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
        mov      rdx, rax
 						;; size=18 bbWeight=0.20 PerfScore 0.30
 G_M17073_IG05:
        mov      qword ptr [rbp-40H], rdx
 						;; size=4 bbWeight=1 PerfScore 1.00
 G_M17073_IG06:
        movsxd   rdi, dword ptr [rbp-34H]
-       lea      rsi, bword ptr [rbx+8*rdi]
+       lea      rsi, bword ptr [r12+8*rdi]
        mov      bword ptr [rbp-48H], rsi
        mov      rdi, rdx
        mov      r8, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
        call     [r8]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r15
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
-       test     eax, eax
-       jne      G_M17073_IG08
-						;; size=59 bbWeight=4 PerfScore 79.00
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M17073_IG08
+						;; size=40 bbWeight=4 PerfScore 49.00
 G_M17073_IG07:
+       test     rbx, rbx
+       je       SHORT G_M17073_IG11
+       mov      rsi, rbx
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M17073_IG10
+						;; size=20 bbWeight=2 PerfScore 21.00
+G_M17073_IG08:
+       test     rbx, rbx
+       jne      SHORT G_M17073_IG11
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M17073_IG09:
+       jmp      G_M17073_IG25
+						;; size=5 bbWeight=2 PerfScore 4.00
+G_M17073_IG10:
+       test     eax, eax
+       jne      G_M17073_IG25
+						;; size=8 bbWeight=2 PerfScore 2.50
+G_M17073_IG11:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r14
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M17073_IG12
+       test     r15, r15
+       je       SHORT G_M17073_IG15
+       mov      rsi, r15
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M17073_IG14
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M17073_IG12:
+       test     r15, r15
+       jne      SHORT G_M17073_IG15
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M17073_IG13:
+       jmp      G_M17073_IG25
+						;; size=5 bbWeight=2 PerfScore 4.00
+G_M17073_IG14:
        test     eax, eax
-       jne      SHORT G_M17073_IG08
+       jne      G_M17073_IG25
+						;; size=8 bbWeight=2 PerfScore 2.50
+G_M17073_IG15:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r13
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M17073_IG16
+       test     r14, r14
+       je       SHORT G_M17073_IG19
+       mov      rsi, r14
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M17073_IG18
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M17073_IG16:
+       test     r14, r14
+       jne      SHORT G_M17073_IG19
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M17073_IG17:
+       jmp      SHORT G_M17073_IG25
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M17073_IG18:
        test     eax, eax
-       jne      SHORT G_M17073_IG08
+       jne      SHORT G_M17073_IG25
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M17073_IG19:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rsi, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rsi]
-       mov      rdx, r12
-       mov      rax, qword ptr [rax]
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rdi, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rdi]
+       test     rdi, rdi
+       je       SHORT G_M17073_IG21
+       test     r13, r13
+       je       SHORT G_M17073_IG20
+       mov      rsi, r13
+       mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       call     [rax+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M17073_IG24
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M17073_IG20:
+       mov      ecx, dword ptr [rbp-34H]
+       jmp      SHORT G_M17073_IG29
+						;; size=5 bbWeight=1 PerfScore 3.00
+G_M17073_IG21:
+       test     r13, r13
+       jne      SHORT G_M17073_IG23
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M17073_IG22:
+       jmp      SHORT G_M17073_IG25
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M17073_IG23:
+       mov      ecx, dword ptr [rbp-34H]
+       jmp      SHORT G_M17073_IG29
+						;; size=5 bbWeight=8 PerfScore 24.00
+G_M17073_IG24:
        test     eax, eax
-       je       SHORT G_M17073_IG11
-						;; size=129 bbWeight=2 PerfScore 96.00
-G_M17073_IG08:
+       je       SHORT G_M17073_IG28
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M17073_IG25:
        mov      ecx, dword ptr [rbp-34H]
        inc      ecx
        mov      eax, dword ptr [rbp+10H]
        cmp      ecx, eax
        mov      dword ptr [rbp-34H], ecx
        mov      dword ptr [rbp+10H], eax
        mov      rdx, qword ptr [rbp-40H]
        jl       G_M17073_IG06
 						;; size=26 bbWeight=4 PerfScore 26.00
-G_M17073_IG09:
+G_M17073_IG26:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M17073_IG10:
+G_M17073_IG27:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M17073_IG11:
+G_M17073_IG28:
        mov      ecx, dword ptr [rbp-34H]
+						;; size=3 bbWeight=1 PerfScore 1.00
+G_M17073_IG29:
        mov      eax, ecx
-						;; size=5 bbWeight=0.50 PerfScore 0.62
-G_M17073_IG12:
+						;; size=2 bbWeight=0.50 PerfScore 0.12
+G_M17073_IG30:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
 
-; Total bytes of code 348, prolog size 23, PerfScore 262.45, instruction count 107, allocated bytes for code 348 (MethodHash=5d9ebd4e) for method System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
+; Total bytes of code 432, prolog size 23, PerfScore 413.35, instruction count 140, allocated bytes for code 432 (MethodHash=5d9ebd4e) for method System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)

67 (20.06 % of base) - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int

 ; Assembly listing for method System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
+; 0 inlinees with PGO data; 0 single block inlinees; 4 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T09] (  5,  4.20)    long  ->  rdi         single-def
-;  V01 arg0         [V01,T07] (  3,  6   )   byref  ->  rbx         single-def
-;  V02 arg1         [V02,T08] (  3,  6   )     ref  ->  r15         class-hnd single-def
-;  V03 arg2         [V03,T10] (  3,  4   )     ref  ->  r14         class-hnd single-def
-;  V04 arg3         [V04,T11] (  3,  4   )     ref  ->  r13         class-hnd single-def
-;  V05 arg4         [V05,T12] (  3,  4   )     ref  ->  r12         class-hnd single-def
-;  V06 arg5         [V06,T15] (  1,  1   )     int  ->  [rbp+10H]   single-def
-;  V07 loc0         [V07,T01] (  7, 18.50)     int  ->  [rbp-34H]  
-;  V08 loc1         [V08,T02] (  5, 14   )   byref  ->  [rbp-48H]   spill-single-def
+;  V00 TypeCtx      [V00,T16] (  5,  4.20)    long  ->  rdi         single-def
+;  V01 arg0         [V01,T15] (  3,  6   )   byref  ->  r12         single-def
+;  V02 arg1         [V02,T00] (  5, 22   )     ref  ->  rbx         class-hnd single-def
+;  V03 arg2         [V03,T01] (  5, 22   )     ref  ->  r15         class-hnd single-def
+;  V04 arg3         [V04,T02] (  5, 22   )     ref  ->  r14         class-hnd single-def
+;  V05 arg4         [V05,T03] (  5, 22   )     ref  ->  r13         class-hnd single-def
+;  V06 arg5         [V06,T19] (  1,  1   )     int  ->  [rbp+10H]   single-def
+;  V07 loc0         [V07,T05] (  7, 18.50)     int  ->  [rbp-34H]  
+;  V08 loc1         [V08,T09] (  5, 14   )   byref  ->  [rbp-48H]   spill-single-def
 ;# V09 OutArgs      [V09    ] (  1,  1   )  struct ( 0) [rsp+00H]   do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V10 tmp1         [V10    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V11 tmp2         [V11    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V12 tmp3         [V12    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V13 tmp4         [V13    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
-;  V14 tmp5         [V14,T00] (  3, 24   )     ref  ->  rax         "argument with side effect"
-;  V15 tmp6         [V15,T03] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V16 tmp7         [V16,T04] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V17 tmp8         [V17,T05] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V18 cse0         [V18,T06] (  5, 11   )    long  ->  [rbp-40H]   spill-single-def "CSE - aggressive"
-;  V19 rat0         [V19,T14] (  3,  4   )    long  ->  registers   "runtime lookup"
-;  V20 rat1         [V20,T13] (  3,  5.60)    long  ->  rcx         "fgMakeTemp is creating a new local variable"
+;  V14 tmp5         [V14,T10] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V15 tmp6         [V15,T04] (  4, 24   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V16 tmp7         [V16,T11] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V17 tmp8         [V17,T06] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V18 tmp9         [V18,T12] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V19 tmp10        [V19,T07] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V20 tmp11        [V20,T13] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V21 tmp12        [V21,T08] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V22 cse0         [V22,T14] (  5, 11   )    long  ->  [rbp-40H]   spill-single-def "CSE - moderate"
+;  V23 rat0         [V23,T18] (  3,  4   )    long  ->  registers   "runtime lookup"
+;  V24 rat1         [V24,T17] (  3,  5.60)    long  ->  rcx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 40
 
 G_M40251_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+50H]
        mov      qword ptr [rbp-30H], rdi
-       mov      rbx, rsi
-       mov      r15, rdx
-       mov      r14, rcx
-       mov      r13, r8
-       mov      r12, r9
+       mov      r12, rsi
+       mov      rbx, rdx
+       mov      r15, rcx
+       mov      r14, r8
+       mov      r13, r9
 						;; size=38 bbWeight=1 PerfScore 9.00
 G_M40251_IG02:
        mov      eax, dword ptr [rbp+10H]
        dec      eax
        mov      dword ptr [rbp-34H], eax
        test     eax, eax
-       jl       G_M40251_IG09
+       jl       G_M40251_IG24
        mov      rsi, qword ptr [rdi+10H]
        mov      rcx, qword ptr [rsi+10H]
        test     rcx, rcx
        je       SHORT G_M40251_IG04
 						;; size=29 bbWeight=1 PerfScore 8.75
 G_M40251_IG03:
        jmp      SHORT G_M40251_IG05
 						;; size=2 bbWeight=0.80 PerfScore 1.60
 G_M40251_IG04:
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
        mov      rcx, rax
 						;; size=18 bbWeight=0.20 PerfScore 0.30
 G_M40251_IG05:
        mov      qword ptr [rbp-40H], rcx
 						;; size=4 bbWeight=1 PerfScore 1.00
 G_M40251_IG06:
        movsxd   rdi, dword ptr [rbp-34H]
-       lea      rdx, bword ptr [rbx+8*rdi]
+       lea      rdx, bword ptr [r12+8*rdi]
        mov      bword ptr [rbp-48H], rdx
        mov      rdi, rcx
        mov      rsi, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
        call     [rsi]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r15
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
-       test     eax, eax
-       jne      G_M40251_IG08
-						;; size=58 bbWeight=4 PerfScore 79.00
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M40251_IG08
+						;; size=39 bbWeight=4 PerfScore 49.00
 G_M40251_IG07:
+       test     rbx, rbx
+       je       SHORT G_M40251_IG11
+       mov      rsi, rbx
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M40251_IG10
+						;; size=20 bbWeight=2 PerfScore 21.00
+G_M40251_IG08:
+       test     rbx, rbx
+       jne      SHORT G_M40251_IG11
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M40251_IG09:
+       jmp      G_M40251_IG23
+						;; size=5 bbWeight=2 PerfScore 4.00
+G_M40251_IG10:
+       test     eax, eax
+       jne      G_M40251_IG23
+						;; size=8 bbWeight=2 PerfScore 2.50
+G_M40251_IG11:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r14
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M40251_IG12
+       test     r15, r15
+       je       SHORT G_M40251_IG15
+       mov      rsi, r15
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M40251_IG14
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M40251_IG12:
+       test     r15, r15
+       jne      SHORT G_M40251_IG15
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M40251_IG13:
+       jmp      SHORT G_M40251_IG23
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M40251_IG14:
        test     eax, eax
-       jne      SHORT G_M40251_IG08
+       jne      SHORT G_M40251_IG23
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M40251_IG15:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r13
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M40251_IG16
+       test     r14, r14
+       je       SHORT G_M40251_IG19
+       mov      rsi, r14
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M40251_IG18
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M40251_IG16:
+       test     r14, r14
+       jne      SHORT G_M40251_IG19
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M40251_IG17:
+       jmp      SHORT G_M40251_IG23
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M40251_IG18:
        test     eax, eax
-       jne      SHORT G_M40251_IG08
+       jne      SHORT G_M40251_IG23
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M40251_IG19:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rsi, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rsi]
-       mov      rdx, r12
-       mov      rax, qword ptr [rax]
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rdi, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rdi]
+       test     rdi, rdi
+       je       SHORT G_M40251_IG20
+       test     r13, r13
+       je       SHORT G_M40251_IG26
+       mov      rsi, r13
+       mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       call     [rax+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M40251_IG22
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M40251_IG20:
+       test     r13, r13
+       jne      SHORT G_M40251_IG26
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M40251_IG21:
+       jmp      SHORT G_M40251_IG23
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M40251_IG22:
        test     eax, eax
-       je       SHORT G_M40251_IG11
-						;; size=129 bbWeight=2 PerfScore 96.00
-G_M40251_IG08:
+       je       SHORT G_M40251_IG26
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M40251_IG23:
        mov      eax, dword ptr [rbp-34H]
        dec      eax
        mov      dword ptr [rbp-34H], eax
        mov      rcx, qword ptr [rbp-40H]
        jns      G_M40251_IG06
 						;; size=18 bbWeight=4 PerfScore 17.00
-G_M40251_IG09:
+G_M40251_IG24:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M40251_IG10:
+G_M40251_IG25:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M40251_IG11:
+G_M40251_IG26:
        mov      eax, dword ptr [rbp-34H]
 						;; size=3 bbWeight=0.50 PerfScore 0.50
-G_M40251_IG12:
+G_M40251_IG27:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
 
-; Total bytes of code 334, prolog size 23, PerfScore 250.93, instruction count 102, allocated bytes for code 334 (MethodHash=a15462c4) for method System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
+; Total bytes of code 401, prolog size 23, PerfScore 372.63, instruction count 130, allocated bytes for code 401 (MethodHash=a15462c4) for method System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)

50 (17.48 % of base) - System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int

 ; Assembly listing for method System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
+; 0 inlinees with PGO data; 0 single block inlinees; 3 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T09] (  5,  4.20)    long  ->  rdi         single-def
-;  V01 arg0         [V01,T07] (  3,  6   )   byref  ->  r15         single-def
-;  V02 arg1         [V02,T08] (  3,  6   )     ref  ->  r14         class-hnd single-def
-;  V03 arg2         [V03,T10] (  3,  4   )     ref  ->  r13         class-hnd single-def
-;  V04 arg3         [V04,T11] (  3,  4   )     ref  ->  r12         class-hnd single-def
-;  V05 arg4         [V05,T05] (  4,  7   )     int  ->  rbx         single-def
-;  V06 loc0         [V06,T01] (  6, 17.50)     int  ->  [rbp-34H]  
-;  V07 loc1         [V07,T02] (  4, 12   )   byref  ->  [rbp-48H]   spill-single-def
+;  V00 TypeCtx      [V00,T14] (  5,  4.20)    long  ->  rdi         single-def
+;  V01 arg0         [V01,T13] (  3,  6   )   byref  ->  r12         single-def
+;  V02 arg1         [V02,T00] (  5, 22   )     ref  ->  rbx         class-hnd single-def
+;  V03 arg2         [V03,T01] (  5, 22   )     ref  ->  r15         class-hnd single-def
+;  V04 arg3         [V04,T02] (  5, 22   )     ref  ->  r14         class-hnd single-def
+;  V05 arg4         [V05,T11] (  4,  7   )     int  ->  r13         single-def
+;  V06 loc0         [V06,T04] (  6, 17.50)     int  ->  [rbp-34H]  
+;  V07 loc1         [V07,T10] (  4, 12   )   byref  ->  [rbp-48H]   spill-single-def
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+00H]   do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V10 tmp2         [V10    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V11 tmp3         [V11    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
-;  V12 tmp4         [V12,T00] (  3, 24   )     ref  ->  rax         "argument with side effect"
-;  V13 tmp5         [V13,T03] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V14 tmp6         [V14,T04] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V15 cse0         [V15,T06] (  4,  9   )    long  ->  [rbp-40H]   spill-single-def "CSE - aggressive"
-;  V16 rat0         [V16,T13] (  3,  4   )    long  ->  registers   "runtime lookup"
-;  V17 rat1         [V17,T12] (  3,  5.60)    long  ->  rcx         "fgMakeTemp is creating a new local variable"
+;  V12 tmp4         [V12,T07] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V13 tmp5         [V13,T03] (  4, 24   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V14 tmp6         [V14,T08] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V15 tmp7         [V15,T05] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V16 tmp8         [V16,T09] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V17 tmp9         [V17,T06] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V18 cse0         [V18,T12] (  4,  9   )    long  ->  [rbp-40H]   spill-single-def "CSE - moderate"
+;  V19 rat0         [V19,T16] (  3,  4   )    long  ->  registers   "runtime lookup"
+;  V20 rat1         [V20,T15] (  3,  5.60)    long  ->  rcx         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 40
 
 G_M44859_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+50H]
        mov      qword ptr [rbp-30H], rdi
-       mov      r15, rsi
-       mov      r14, rdx
-       mov      r13, rcx
-       mov      r12, r8
-       mov      ebx, r9d
+       mov      r12, rsi
+       mov      rbx, rdx
+       mov      r15, rcx
+       mov      r14, r8
+       mov      r13d, r9d
 						;; size=38 bbWeight=1 PerfScore 9.00
 G_M44859_IG02:
        xor      eax, eax
        mov      dword ptr [rbp-34H], eax
-       test     ebx, ebx
-       jle      G_M44859_IG09
+       test     r13d, r13d
+       jle      G_M44859_IG20
        mov      rsi, qword ptr [rdi+10H]
        mov      rcx, qword ptr [rsi+10H]
        test     rcx, rcx
        je       SHORT G_M44859_IG04
-						;; size=26 bbWeight=1 PerfScore 7.75
+						;; size=27 bbWeight=1 PerfScore 7.75
 G_M44859_IG03:
        jmp      SHORT G_M44859_IG05
 						;; size=2 bbWeight=0.80 PerfScore 1.60
 G_M44859_IG04:
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
        mov      rcx, rax
 						;; size=18 bbWeight=0.20 PerfScore 0.30
 G_M44859_IG05:
        mov      qword ptr [rbp-40H], rcx
 						;; size=4 bbWeight=1 PerfScore 1.00
 G_M44859_IG06:
        movsxd   rdi, dword ptr [rbp-34H]
-       lea      rdx, bword ptr [r15+8*rdi]
+       lea      rdx, bword ptr [r12+8*rdi]
        mov      bword ptr [rbp-48H], rdx
        mov      rdi, rcx
        mov      rsi, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
        call     [rsi]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r14
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
-       test     eax, eax
-       jne      SHORT G_M44859_IG08
-						;; size=54 bbWeight=4 PerfScore 79.00
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M44859_IG08
+						;; size=39 bbWeight=4 PerfScore 49.00
 G_M44859_IG07:
+       test     rbx, rbx
+       je       SHORT G_M44859_IG11
+       mov      rsi, rbx
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M44859_IG10
+						;; size=20 bbWeight=2 PerfScore 21.00
+G_M44859_IG08:
+       test     rbx, rbx
+       jne      SHORT G_M44859_IG11
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M44859_IG09:
+       jmp      SHORT G_M44859_IG19
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M44859_IG10:
+       test     eax, eax
+       jne      SHORT G_M44859_IG19
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M44859_IG11:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r13
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rax, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M44859_IG12
+       test     r15, r15
+       je       SHORT G_M44859_IG15
+       mov      rsi, r15
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M44859_IG14
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M44859_IG12:
+       test     r15, r15
+       jne      SHORT G_M44859_IG15
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M44859_IG13:
+       jmp      SHORT G_M44859_IG19
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M44859_IG14:
        test     eax, eax
-       jne      SHORT G_M44859_IG08
+       jne      SHORT G_M44859_IG19
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M44859_IG15:
        mov      rdi, qword ptr [rbp-40H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rsi, bword ptr [rbp-48H]
-       mov      rsi, gword ptr [rsi]
-       mov      rdx, r12
-       mov      rax, qword ptr [rax]
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rdi, bword ptr [rbp-48H]
+       mov      rdi, gword ptr [rdi]
+       test     rdi, rdi
+       je       SHORT G_M44859_IG16
+       test     r14, r14
+       je       SHORT G_M44859_IG22
+       mov      rsi, r14
+       mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       call     [rax+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M44859_IG18
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M44859_IG16:
+       test     r14, r14
+       jne      SHORT G_M44859_IG22
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M44859_IG17:
+       jmp      SHORT G_M44859_IG19
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M44859_IG18:
        test     eax, eax
-       je       SHORT G_M44859_IG11
-						;; size=86 bbWeight=2 PerfScore 64.00
-G_M44859_IG08:
+       je       SHORT G_M44859_IG22
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M44859_IG19:
        mov      eax, dword ptr [rbp-34H]
        inc      eax
-       cmp      eax, ebx
+       cmp      eax, r13d
        mov      dword ptr [rbp-34H], eax
        mov      rcx, qword ptr [rbp-40H]
        jl       G_M44859_IG06
-						;; size=20 bbWeight=4 PerfScore 18.00
-G_M44859_IG09:
+						;; size=21 bbWeight=4 PerfScore 18.00
+G_M44859_IG20:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M44859_IG10:
+G_M44859_IG21:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M44859_IG11:
+G_M44859_IG22:
        mov      eax, dword ptr [rbp-34H]
 						;; size=3 bbWeight=0.50 PerfScore 0.50
-G_M44859_IG12:
+G_M44859_IG23:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
 
-; Total bytes of code 286, prolog size 23, PerfScore 214.13, instruction count 90, allocated bytes for code 286 (MethodHash=3cab50c4) for method System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
+; Total bytes of code 336, prolog size 23, PerfScore 301.63, instruction count 111, allocated bytes for code 336 (MethodHash=3cab50c4) for method System.SpanHelpers:IndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)

49 (18.01 % of base) - System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int

 ; Assembly listing for method System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
+; 0 inlinees with PGO data; 0 single block inlinees; 3 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 TypeCtx      [V00,T08] (  5,  4.20)    long  ->  rdi         single-def
-;  V01 arg0         [V01,T06] (  3,  6   )   byref  ->  rbx         single-def
-;  V02 arg1         [V02,T07] (  3,  6   )     ref  ->  r15         class-hnd single-def
-;  V03 arg2         [V03,T09] (  3,  4   )     ref  ->  r14         class-hnd single-def
-;  V04 arg3         [V04,T10] (  3,  4   )     ref  ->  r13         class-hnd single-def
-;  V05 arg4         [V05,T12] (  3,  3   )     int  ->   r9         single-def
-;  V06 loc0         [V06,T01] (  7, 18.50)     int  ->  r12        
-;  V07 loc1         [V07,T02] (  4, 12   )   byref  ->  [rbp-40H]   spill-single-def
+;  V00 TypeCtx      [V00,T13] (  5,  4.20)    long  ->  rdi         single-def
+;  V01 arg0         [V01,T12] (  3,  6   )   byref  ->  r13         single-def
+;  V02 arg1         [V02,T00] (  5, 22   )     ref  ->  rbx         class-hnd single-def
+;  V03 arg2         [V03,T01] (  5, 22   )     ref  ->  r15         class-hnd single-def
+;  V04 arg3         [V04,T02] (  5, 22   )     ref  ->  r14         class-hnd single-def
+;  V05 arg4         [V05,T15] (  3,  3   )     int  ->   r9         single-def
+;  V06 loc0         [V06,T04] (  7, 18.50)     int  ->  r12        
+;  V07 loc1         [V07,T10] (  4, 12   )   byref  ->  [rbp-40H]   spill-single-def
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+00H]   do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V10 tmp2         [V10    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V11 tmp3         [V11    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
-;  V12 tmp4         [V12,T00] (  3, 24   )     ref  ->  rax         "argument with side effect"
-;  V13 tmp5         [V13,T03] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V14 tmp6         [V14,T04] (  3, 12   )     ref  ->  rax         "argument with side effect"
-;  V15 cse0         [V15,T05] (  4,  9   )    long  ->  [rbp-38H]   spill-single-def "CSE - aggressive"
-;  V16 rat0         [V16,T13] (  3,  4   )    long  ->  rax         "runtime lookup"
-;  V17 rat1         [V17,T11] (  3,  5.60)    long  ->  rax         "fgMakeTemp is creating a new local variable"
+;  V12 tmp4         [V12,T07] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V13 tmp5         [V13,T03] (  4, 24   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V14 tmp6         [V14,T08] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V15 tmp7         [V15,T05] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V16 tmp8         [V16,T09] (  2,  4   )    bool  ->  rax         "Inline return value spill temp"
+;  V17 tmp9         [V17,T06] (  4, 16   )     ref  ->  rdi         ld-addr-op class-hnd "Inlining Arg"
+;  V18 cse0         [V18,T11] (  4,  9   )    long  ->  [rbp-38H]   spill-single-def "CSE - moderate"
+;  V19 rat0         [V19,T16] (  3,  4   )    long  ->  rax         "runtime lookup"
+;  V20 rat1         [V20,T14] (  3,  5.60)    long  ->  rax         "fgMakeTemp is creating a new local variable"
 ;
 ; Lcl frame size = 24
 
 G_M41329_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 24
        lea      rbp, [rsp+40H]
        mov      qword ptr [rbp-30H], rdi
-       mov      rbx, rsi
-       mov      r15, rdx
-       mov      r14, rcx
-       mov      r13, r8
+       mov      r13, rsi
+       mov      rbx, rdx
+       mov      r15, rcx
+       mov      r14, r8
 						;; size=35 bbWeight=1 PerfScore 8.75
 G_M41329_IG02:
        lea      r12d, [r9-01H]
        test     r12d, r12d
-       jl       G_M41329_IG09
+       jl       G_M41329_IG20
        mov      rsi, qword ptr [rdi+10H]
        mov      rax, qword ptr [rsi+10H]
        test     rax, rax
        je       SHORT G_M41329_IG04
 						;; size=26 bbWeight=1 PerfScore 7.00
 G_M41329_IG03:
        jmp      SHORT G_M41329_IG05
 						;; size=2 bbWeight=0.80 PerfScore 1.60
 G_M41329_IG04:
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
 						;; size=15 bbWeight=0.20 PerfScore 0.25
 G_M41329_IG05:
        mov      qword ptr [rbp-38H], rax
 						;; size=4 bbWeight=1 PerfScore 1.00
 G_M41329_IG06:
        movsxd   rdi, r12d
-       lea      rcx, bword ptr [rbx+8*rdi]
+       lea      rcx, bword ptr [r13+8*rdi]
        mov      bword ptr [rbp-40H], rcx
        mov      rdi, rax
        mov      rdx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
        call     [rdx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-40H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r15
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
-       test     eax, eax
-       jne      SHORT G_M41329_IG08
-						;; size=53 bbWeight=4 PerfScore 68.00
+       mov      rax, bword ptr [rbp-40H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M41329_IG08
+						;; size=39 bbWeight=4 PerfScore 44.00
 G_M41329_IG07:
+       test     rbx, rbx
+       je       SHORT G_M41329_IG11
+       mov      rsi, rbx
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M41329_IG10
+						;; size=20 bbWeight=2 PerfScore 21.00
+G_M41329_IG08:
+       test     rbx, rbx
+       jne      SHORT G_M41329_IG11
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M41329_IG09:
+       jmp      SHORT G_M41329_IG19
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M41329_IG10:
+       test     eax, eax
+       jne      SHORT G_M41329_IG19
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M41329_IG11:
        mov      rdi, qword ptr [rbp-38H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rcx, bword ptr [rbp-40H]
-       mov      rsi, gword ptr [rcx]
-       mov      rdx, r14
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rax, bword ptr [rbp-40H]
+       mov      rdi, gword ptr [rax]
+       test     rdi, rdi
+       je       SHORT G_M41329_IG12
+       test     r15, r15
+       je       SHORT G_M41329_IG15
+       mov      rsi, r15
+       mov      rcx, qword ptr [rdi]
+       mov      rcx, qword ptr [rcx+40H]
+       call     [rcx+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M41329_IG14
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M41329_IG12:
+       test     r15, r15
+       jne      SHORT G_M41329_IG15
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M41329_IG13:
+       jmp      SHORT G_M41329_IG19
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M41329_IG14:
        test     eax, eax
-       jne      SHORT G_M41329_IG08
+       jne      SHORT G_M41329_IG19
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M41329_IG15:
        mov      rdi, qword ptr [rbp-38H]
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       call     [rax]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
-       mov      rdi, rax
-       mov      rsi, bword ptr [rbp-40H]
-       mov      rsi, gword ptr [rsi]
-       mov      rdx, r13
-       mov      rax, qword ptr [rax]
+       mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       call     [rcx]System.Collections.Generic.EqualityComparer`1[System.__Canon]:get_Default():System.Collections.Generic.EqualityComparer`1[System.__Canon]
+       mov      rdi, bword ptr [rbp-40H]
+       mov      rdi, gword ptr [rdi]
+       test     rdi, rdi
+       je       SHORT G_M41329_IG16
+       test     r14, r14
+       je       SHORT G_M41329_IG22
+       mov      rsi, r14
+       mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+40H]
-       call     [rax+20H]System.Collections.Generic.EqualityComparer`1[System.__Canon]:Equals(System.__Canon,System.__Canon):bool:this
+       call     [rax+10H]System.Object:Equals(System.Object):bool:this
+       jmp      SHORT G_M41329_IG18
+						;; size=48 bbWeight=2 PerfScore 38.00
+G_M41329_IG16:
+       test     r14, r14
+       jne      SHORT G_M41329_IG22
+						;; size=5 bbWeight=16 PerfScore 20.00
+G_M41329_IG17:
+       jmp      SHORT G_M41329_IG19
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M41329_IG18:
        test     eax, eax
-       je       SHORT G_M41329_IG11
-						;; size=86 bbWeight=2 PerfScore 64.00
-G_M41329_IG08:
+       je       SHORT G_M41329_IG22
+						;; size=4 bbWeight=2 PerfScore 2.50
+G_M41329_IG19:
        dec      r12d
        mov      rax, qword ptr [rbp-38H]
        jns      G_M41329_IG06
 						;; size=13 bbWeight=4 PerfScore 9.00
-G_M41329_IG09:
+G_M41329_IG20:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M41329_IG10:
+G_M41329_IG21:
        add      rsp, 24
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M41329_IG11:
+G_M41329_IG22:
        mov      eax, r12d
 						;; size=3 bbWeight=0.50 PerfScore 0.12
-G_M41329_IG12:
+G_M41329_IG23:
        add      rsp, 24
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
 
-; Total bytes of code 272, prolog size 23, PerfScore 191.30, instruction count 84, allocated bytes for code 272 (MethodHash=2fc85e8e) for method System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)
+; Total bytes of code 321, prolog size 23, PerfScore 284.70, instruction count 105, allocated bytes for code 321 (MethodHash=2fc85e8e) for method System.SpanHelpers:LastIndexOfAnyExcept[System.__Canon](byref,System.__Canon,System.__Canon,System.__Canon,int):int (FullOpts)

[MihuBot]

Top method improvements

-183 (-100.00 % of base) - System.Collections.Generic.ComparerHelpers:TryCreateEnumComparer(System.RuntimeType):System.Object

-; Assembly listing for method System.Collections.Generic.ComparerHelpers:TryCreateEnumComparer(System.RuntimeType):System.Object (FullOpts)
-; Emitting BLENDED_CODE for X64 with AVX - Unix
-; FullOpts code
-; optimized code
-; rbp based frame
-; partially interruptible
-; No PGO data
-; 0 inlinees with PGO data; 5 single block inlinees; 4 inlinees without PGO data
-; Final local variable assignments
-;
-;  V00 arg0         [V00,T00] (  8,  7.50)     ref  ->  rbx         class-hnd single-def
-;* V01 loc0         [V01    ] (  0,  0   )     int  ->  zero-ref   
-;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+00H]   do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V03 tmp1         [V03,T03] (  3,  2.50)     ref  ->  rdi         class-hnd single-def "Inline return value spill temp"
-;* V04 tmp2         [V04    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt"
-;  V05 tmp3         [V05,T05] (  2,  2   )     ref  ->  rdi         class-hnd single-def "Inline stloc first use temp"
-;  V06 tmp4         [V06,T04] (  3,  2   )     int  ->  r15         "Inline return value spill temp"
-;* V07 tmp5         [V07    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
-;* V08 tmp6         [V08    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline stloc first use temp"
-;* V09 tmp7         [V09    ] (  0,  0   )     ref  ->  zero-ref    "CASTCLASS eval op1"
-;* V10 tmp8         [V10    ] (  0,  0   )    long  ->  zero-ref    "fgMakeTemp is creating a new local variable"
-;* V11 tmp9         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "spilling QMark2"
-;* V12 tmp10        [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline return value spill temp"
-;* V13 tmp11        [V13    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt"
-;* V14 tmp12        [V14    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline stloc first use temp"
-;  V15 tmp13        [V15,T02] (  2,  4   )     ref  ->  r15         single-def "arr expr"
-;  V16 tmp14        [V16,T01] (  3,  6   )     int  ->  rax         "index expr"
-;* V17 tmp15        [V17    ] (  0,  0   )     ref  ->  zero-ref    "arr expr"
-;* V18 tmp16        [V18    ] (  0,  0   )     int  ->  zero-ref    "index expr"
-;
-; Lcl frame size = 0
-
-G_M19464_IG01:
-       push     rbp
-       push     r15
-       push     rbx
-       lea      rbp, [rsp+10H]
-       mov      rbx, rdi
-						;; size=12 bbWeight=1 PerfScore 3.75
-G_M19464_IG02:
-       mov      rdi, rbx
-       mov      rsi, 0xD1FFAB1E      ; 'enumType'
-
-       mov      rax, 0xD1FFAB1E      ; code for System.ArgumentNullException:ThrowIfNull(System.Object,System.String)
-       call     [rax]System.ArgumentNullException:ThrowIfNull(System.Object,System.String)
-       cmp      byte  ptr [rbx], bl
-       mov      rdi, rbx
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:get_IsActualEnum():bool:this
-       call     [rax]System.RuntimeType:get_IsActualEnum():bool:this
-       test     eax, eax
-       je       SHORT G_M19464_IG10
-       mov      rdi, 0xD1FFAB1E      ; const ptr
-       mov      r15, gword ptr [rdi]
-       mov      rdi, qword ptr [rbx+18H]
-       call     System.Enum:InternalGetCorElementType(ulong):ubyte
-       cmp      eax, 26
-       jae      SHORT G_M19464_IG11
-       mov      edi, eax
-       mov      rdi, gword ptr [r15+8*rdi+10H]
-       test     rdi, rdi
-       jne      SHORT G_M19464_IG04
-						;; size=85 bbWeight=1 PerfScore 21.50
-G_M19464_IG03:
-       xor      r15d, r15d
-       jmp      SHORT G_M19464_IG05
-						;; size=5 bbWeight=0.50 PerfScore 1.12
-G_M19464_IG04:
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:GetTypeCodeImpl():int:this
-       call     [rax]System.RuntimeType:GetTypeCodeImpl():int:this
-       mov      r15d, eax
-						;; size=15 bbWeight=0.50 PerfScore 1.75
-G_M19464_IG05:
-       add      r15d, -5
-       cmp      r15d, 7
-       ja       SHORT G_M19464_IG08
-						;; size=10 bbWeight=1 PerfScore 1.50
-G_M19464_IG06:
-       mov      rsi, rbx
-       mov      rdi, 0xD1FFAB1E      ; 'System.Collections.Generic.EnumComparer`1[T]'
-
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
-						;; size=23 bbWeight=0.50 PerfScore 0.38
-G_M19464_IG07:
-       pop      rbx
-       pop      r15
-       pop      rbp
-       tail.jmp [rax]System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
-						;; size=7 bbWeight=0.50 PerfScore 1.75
-G_M19464_IG08:
-       xor      rax, rax
-						;; size=2 bbWeight=0.50 PerfScore 0.12
-G_M19464_IG09:
-       pop      rbx
-       pop      r15
-       pop      rbp
-       ret      
-						;; size=5 bbWeight=0.50 PerfScore 1.25
-G_M19464_IG10:
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:ThrowMustBeEnum()
-       call     [rax]System.RuntimeType:ThrowMustBeEnum()
-       int3     
-						;; size=13 bbWeight=0 PerfScore 0.00
-G_M19464_IG11:
-       call     CORINFO_HELP_RNGCHKFAIL
-       int3     
-						;; size=6 bbWeight=0 PerfScore 0.00
-
-; Total bytes of code 183, prolog size 9, PerfScore 51.43, instruction count 50, allocated bytes for code 183 (MethodHash=5e08b3f7) for method System.Collections.Generic.ComparerHelpers:TryCreateEnumComparer(System.RuntimeType):System.Object (FullOpts)
-; ============================================================

-183 (-100.00 % of base) - System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object

-; Assembly listing for method System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object (FullOpts)
-; Emitting BLENDED_CODE for X64 with AVX - Unix
-; FullOpts code
-; optimized code
-; rbp based frame
-; partially interruptible
-; No PGO data
-; 0 inlinees with PGO data; 5 single block inlinees; 4 inlinees without PGO data
-; Final local variable assignments
-;
-;  V00 arg0         [V00,T00] (  8,  7.50)     ref  ->  rbx         class-hnd single-def
-;* V01 loc0         [V01    ] (  0,  0   )     int  ->  zero-ref   
-;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+00H]   do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V03 tmp1         [V03,T03] (  3,  2.50)     ref  ->  rdi         class-hnd single-def "Inline return value spill temp"
-;* V04 tmp2         [V04    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt"
-;  V05 tmp3         [V05,T05] (  2,  2   )     ref  ->  rdi         class-hnd single-def "Inline stloc first use temp"
-;  V06 tmp4         [V06,T04] (  3,  2   )     int  ->  r15         "Inline return value spill temp"
-;* V07 tmp5         [V07    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
-;* V08 tmp6         [V08    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline stloc first use temp"
-;* V09 tmp7         [V09    ] (  0,  0   )     ref  ->  zero-ref    "CASTCLASS eval op1"
-;* V10 tmp8         [V10    ] (  0,  0   )    long  ->  zero-ref    "fgMakeTemp is creating a new local variable"
-;* V11 tmp9         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "spilling QMark2"
-;* V12 tmp10        [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline return value spill temp"
-;* V13 tmp11        [V13    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt"
-;* V14 tmp12        [V14    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline stloc first use temp"
-;  V15 tmp13        [V15,T02] (  2,  4   )     ref  ->  r15         single-def "arr expr"
-;  V16 tmp14        [V16,T01] (  3,  6   )     int  ->  rax         "index expr"
-;* V17 tmp15        [V17    ] (  0,  0   )     ref  ->  zero-ref    "arr expr"
-;* V18 tmp16        [V18    ] (  0,  0   )     int  ->  zero-ref    "index expr"
-;
-; Lcl frame size = 0
-
-G_M39904_IG01:
-       push     rbp
-       push     r15
-       push     rbx
-       lea      rbp, [rsp+10H]
-       mov      rbx, rdi
-						;; size=12 bbWeight=1 PerfScore 3.75
-G_M39904_IG02:
-       mov      rdi, rbx
-       mov      rsi, 0xD1FFAB1E      ; 'enumType'
-
-       mov      rax, 0xD1FFAB1E      ; code for System.ArgumentNullException:ThrowIfNull(System.Object,System.String)
-       call     [rax]System.ArgumentNullException:ThrowIfNull(System.Object,System.String)
-       cmp      byte  ptr [rbx], bl
-       mov      rdi, rbx
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:get_IsActualEnum():bool:this
-       call     [rax]System.RuntimeType:get_IsActualEnum():bool:this
-       test     eax, eax
-       je       SHORT G_M39904_IG10
-       mov      rdi, 0xD1FFAB1E      ; const ptr
-       mov      r15, gword ptr [rdi]
-       mov      rdi, qword ptr [rbx+18H]
-       call     System.Enum:InternalGetCorElementType(ulong):ubyte
-       cmp      eax, 26
-       jae      SHORT G_M39904_IG11
-       mov      edi, eax
-       mov      rdi, gword ptr [r15+8*rdi+10H]
-       test     rdi, rdi
-       jne      SHORT G_M39904_IG04
-						;; size=85 bbWeight=1 PerfScore 21.50
-G_M39904_IG03:
-       xor      r15d, r15d
-       jmp      SHORT G_M39904_IG05
-						;; size=5 bbWeight=0.50 PerfScore 1.12
-G_M39904_IG04:
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:GetTypeCodeImpl():int:this
-       call     [rax]System.RuntimeType:GetTypeCodeImpl():int:this
-       mov      r15d, eax
-						;; size=15 bbWeight=0.50 PerfScore 1.75
-G_M39904_IG05:
-       add      r15d, -5
-       cmp      r15d, 7
-       ja       SHORT G_M39904_IG08
-						;; size=10 bbWeight=1 PerfScore 1.50
-G_M39904_IG06:
-       mov      rsi, rbx
-       mov      rdi, 0xD1FFAB1E      ; 'System.Collections.Generic.EnumEqualityComparer`1[T]'
-
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
-						;; size=23 bbWeight=0.50 PerfScore 0.38
-G_M39904_IG07:
-       pop      rbx
-       pop      r15
-       pop      rbp
-       tail.jmp [rax]System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
-						;; size=7 bbWeight=0.50 PerfScore 1.75
-G_M39904_IG08:
-       xor      rax, rax
-						;; size=2 bbWeight=0.50 PerfScore 0.12
-G_M39904_IG09:
-       pop      rbx
-       pop      r15
-       pop      rbp
-       ret      
-						;; size=5 bbWeight=0.50 PerfScore 1.25
-G_M39904_IG10:
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:ThrowMustBeEnum()
-       call     [rax]System.RuntimeType:ThrowMustBeEnum()
-       int3     
-						;; size=13 bbWeight=0 PerfScore 0.00
-G_M39904_IG11:
-       call     CORINFO_HELP_RNGCHKFAIL
-       int3     
-						;; size=6 bbWeight=0 PerfScore 0.00
-
-; Total bytes of code 183, prolog size 9, PerfScore 51.43, instruction count 50, allocated bytes for code 183 (MethodHash=013b641f) for method System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object (FullOpts)
-; ============================================================

-24 (-4.79 % of base) - System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object

 ; Assembly listing for method System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
-; fully interruptible
+; partially interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 6 single block inlinees; 1 inlinees without PGO data
+; 0 inlinees with PGO data; 3 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T01] (  5,  4   )     ref  ->  rbx         class-hnd single-def
-;  V01 loc0         [V01,T02] (  7,  4.50)     ref  ->  r15         class-hnd
-;  V02 loc1         [V02,T00] ( 16,  9   )     ref  ->  rbx         class-hnd single-def
+;  V01 loc0         [V01,T05] (  5,  3   )     ref  ->  r15         class-hnd
+;  V02 loc1         [V02,T00] ( 15,  8.50)     ref  ->  rbx         class-hnd single-def
 ;* V03 loc2         [V03    ] (  0,  0   )     ref  ->  zero-ref    class-hnd
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+00H]   do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V05 tmp1         [V05,T12] (  3,  1   )    long  ->  rax         "fgMakeTemp is creating a new local variable"
-;  V06 tmp2         [V06,T03] (  3,  4.50)     ref  ->  rdi         class-hnd "spilling QMark2"
+;  V06 tmp2         [V06,T02] (  3,  4.50)     ref  ->  rdi         class-hnd "spilling QMark2"
 ;  V07 tmp3         [V07,T06] (  3,  3   )     ref  ->  r14         class-hnd exact single-def "dup spill"
 ;* V08 tmp4         [V08    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "impAppendStmt"
-;  V09 tmp5         [V09,T08] (  3,  2.50)     ref  ->  rax         single-def
-;  V10 tmp6         [V10,T09] (  3,  2   )     ref  ->  rsi         single-def "CASTCLASS eval op1"
+;  V09 tmp5         [V09,T09] (  3,  1.50)     ref  ->  rax         single-def
+;  V10 tmp6         [V10,T08] (  3,  2   )     ref  ->  rsi         single-def "CASTCLASS eval op1"
 ;  V11 tmp7         [V11,T13] (  3,  1   )    long  ->  rax         "fgMakeTemp is creating a new local variable"
-;  V12 tmp8         [V12,T05] (  4,  3.50)     ref  ->  rdi         class-hnd "spilling QMark2"
+;  V12 tmp8         [V12,T04] (  4,  3.50)     ref  ->  rdi         class-hnd "spilling QMark2"
 ;* V13 tmp9         [V13    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewObj constructor temp"
-;* V14 tmp10        [V14    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewObj constructor temp"
-;  V15 tmp11        [V15,T10] (  2,  1   )    bool  ->  rax         "Inline return value spill temp"
-;  V16 tmp12        [V16,T04] (  4,  4   )     ref  ->  rax         class-hnd single-def "Inlining Arg"
-;  V17 tmp13        [V17,T07] (  3,  3   )     ref  ->  rax         single-def "arr expr"
-;  V18 cse0         [V18,T11] (  3,  1.50)    long  ->  r14         "CSE - moderate"
+;  V14 tmp10        [V14,T10] (  2,  1   )    bool  ->  rax         "Inline return value spill temp"
+;  V15 tmp11        [V15,T03] (  4,  4   )     ref  ->  rax         class-hnd single-def "Inlining Arg"
+;  V16 tmp12        [V16,T07] (  3,  3   )     ref  ->  rax         single-def "arr expr"
+;  V17 cse0         [V17,T11] (  3,  1.50)    long  ->  r14         "CSE - moderate"
 ;
 ; Lcl frame size = 8
 
 G_M53179_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        push     rax
        lea      rbp, [rsp+20H]
        mov      rbx, rdi
 						;; size=15 bbWeight=1 PerfScore 5.75
 G_M53179_IG02:
        xor      r15, r15
        mov      rdi, rbx
        test     rdi, rdi
        je       SHORT G_M53179_IG04
 						;; size=11 bbWeight=1 PerfScore 1.75
 G_M53179_IG03:
        mov      rax, 0xD1FFAB1E      ; System.RuntimeType
        cmp      qword ptr [rdi], rax
-       jne      G_M53179_IG16
+       jne      G_M53179_IG15
 						;; size=19 bbWeight=0.25 PerfScore 1.06
 G_M53179_IG04:
-       mov      rdi, 0xD1FFAB1E      ; 'System.Byte'
-
-       cmp      rbx, rdi
-       jne      SHORT G_M53179_IG06
-						;; size=15 bbWeight=1 PerfScore 1.50
-G_M53179_IG05:
-       mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.ByteEqualityComparer
-       call     CORINFO_HELP_NEWSFAST
-       mov      r15, rax
-       jmp      G_M53179_IG12
-						;; size=23 bbWeight=0.50 PerfScore 1.75
-G_M53179_IG06:
        mov      rdi, 0xD1FFAB1E      ; 'System.String'
 
        cmp      rbx, rdi
        jne      SHORT G_M53179_IG07
+						;; size=15 bbWeight=1 PerfScore 1.50
+G_M53179_IG05:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.GenericEqualityComparer`1[System.String]
        call     CORINFO_HELP_NEWSFAST
-       mov      r15, rax
-       jmp      G_M53179_IG12
-						;; size=38 bbWeight=0.50 PerfScore 2.50
+       nop      
+						;; size=16 bbWeight=0.50 PerfScore 0.75
+G_M53179_IG06:
+       add      rsp, 8
+       pop      rbx
+       pop      r14
+       pop      r15
+       pop      rbp
+       ret      
+						;; size=11 bbWeight=0.50 PerfScore 1.62
 G_M53179_IG07:
        mov      rdi, 0xD1FFAB1E      ; System.Type[]
        mov      esi, 1
        call     CORINFO_HELP_NEWARR_1_OBJ
        mov      r14, rax
        lea      rdi, bword ptr [r14+10H]
        mov      rsi, rbx
        call     CORINFO_HELP_ASSIGN_REF
        mov      rsi, r14
        mov      rdi, 0xD1FFAB1E      ; 'System.IEquatable`1[T]'
 
        mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:MakeGenericType(System.Type[]):System.Type:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.RuntimeType:MakeGenericType(System.Type[]):System.Type:this
        cmp      byte  ptr [rbx], bl
        test     rax, rax
        je       SHORT G_M53179_IG08
        mov      rdi, rax
        mov      rsi, rbx
        mov      rax, qword ptr [rax]
        mov      rax, qword ptr [rax+B0H]
        call     [rax+20H]System.Type:IsAssignableFrom(System.Type):bool:this
        test     eax, eax
        je       SHORT G_M53179_IG08
        mov      rsi, rbx
        mov      rdi, 0xD1FFAB1E      ; 'System.Collections.Generic.GenericEqualityComparer`1[System.Str'
 
        mov      rax, 0xD1FFAB1E      ; code for System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
        call     [rax]System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
        mov      r15, rax
        jmp      G_M53179_IG12
 						;; size=125 bbWeight=0.50 PerfScore 14.62
 G_M53179_IG08:
        mov      rdi, rbx
        mov      rax, qword ptr [rbx]
        mov      rax, qword ptr [rax+60H]
        call     [rax+08H]System.Type:get_IsGenericType():bool:this
        test     eax, eax
        je       SHORT G_M53179_IG11
        mov      rdi, rbx
        mov      rax, qword ptr [rbx]
        mov      r14, qword ptr [rax+68H]
        call     [r14+18H]System.Type:GetGenericTypeDefinition():System.Type:this
        mov      rdi, 0xD1FFAB1E      ; 'System.Nullable`1[T]'
 
        cmp      rax, rdi
        jne      SHORT G_M53179_IG11
        mov      rdi, rbx
        call     [r14+28H]System.Type:GetGenericArguments():System.Type[]:this
        cmp      dword ptr [rax+08H], 0
-       jbe      G_M53179_IG18
+       jbe      G_M53179_IG17
        mov      rsi, gword ptr [rax+10H]
        mov      rdi, rsi
        test     rdi, rdi
        je       SHORT G_M53179_IG10
 						;; size=75 bbWeight=0.50 PerfScore 14.00
 G_M53179_IG09:
        mov      rax, 0xD1FFAB1E      ; System.RuntimeType
        cmp      qword ptr [rdi], rax
-       jne      G_M53179_IG17
+       jne      G_M53179_IG16
 						;; size=19 bbWeight=0.25 PerfScore 1.06
 G_M53179_IG10:
        mov      rsi, rdi
        mov      rdi, 0xD1FFAB1E      ; 'System.Collections.Generic.NullableEqualityComparer`1[System.In'
 
        mov      rax, 0xD1FFAB1E      ; code for System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
        call     [rax]System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
        mov      r15, rax
        jmp      SHORT G_M53179_IG12
 						;; size=30 bbWeight=0.50 PerfScore 3.00
 G_M53179_IG11:
        mov      rdi, rbx
        mov      rax, qword ptr [rbx]
        mov      rax, qword ptr [rax+70H]
        call     [rax+30H]System.Type:get_IsEnum():bool:this
        test     eax, eax
        je       SHORT G_M53179_IG12
-       mov      rdi, rbx
-       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object
-       call     [rax]System.Collections.Generic.ComparerHelpers:TryCreateEnumEqualityComparer(System.RuntimeType):System.Object
+       mov      rsi, rbx
+       mov      rdi, 0xD1FFAB1E      ; 'System.Collections.Generic.EnumEqualityComparer`1[T]'
+
+       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
+       call     [rax]System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
        mov      r15, rax
-						;; size=35 bbWeight=0.50 PerfScore 6.12
+						;; size=45 bbWeight=0.50 PerfScore 6.25
 G_M53179_IG12:
        mov      rax, r15
        test     rax, rax
-       jne      SHORT G_M53179_IG15
-						;; size=8 bbWeight=1 PerfScore 1.50
-G_M53179_IG13:
+       jne      SHORT G_M53179_IG14
        mov      rsi, rbx
        mov      rdi, 0xD1FFAB1E      ; 'System.Collections.Generic.ObjectEqualityComparer`1[System.Obje'
 
        mov      rax, 0xD1FFAB1E      ; code for System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
-						;; size=23 bbWeight=0.50 PerfScore 0.38
-G_M53179_IG14:
+						;; size=31 bbWeight=0.50 PerfScore 1.12
+G_M53179_IG13:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        tail.jmp [rax]System.RuntimeTypeHandle:CreateInstanceForAnotherGenericParameter(System.RuntimeType,System.RuntimeType):System.Object
 						;; size=13 bbWeight=0.50 PerfScore 2.12
-G_M53179_IG15:
+G_M53179_IG14:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=11 bbWeight=0.50 PerfScore 1.62
-G_M53179_IG16:
+G_M53179_IG15:
        mov      rdi, rax
        mov      rsi, rbx
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_CHKCASTCLASS_SPECIAL
        call     [rax]CORINFO_HELP_CHKCASTCLASS_SPECIAL
        int3     
 						;; size=19 bbWeight=0 PerfScore 0.00
-G_M53179_IG17:
+G_M53179_IG16:
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_CHKCASTCLASS_SPECIAL
        call     [rax]CORINFO_HELP_CHKCASTCLASS_SPECIAL
        int3     
 						;; size=16 bbWeight=0 PerfScore 0.00
-G_M53179_IG18:
+G_M53179_IG17:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 501, prolog size 15, PerfScore 108.85, instruction count 125, allocated bytes for code 501 (MethodHash=6fa03044) for method System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object (FullOpts)
+; Total bytes of code 477, prolog size 12, PerfScore 103.95, instruction count 124, allocated bytes for code 477 (MethodHash=6fa03044) for method System.Collections.Generic.ComparerHelpers:CreateDefaultEqualityComparer(System.Type):System.Object (FullOpts)

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