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Avoid discarding upper bits when folding GT_SWITCH (#69986)
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107 changes: 107 additions & 0 deletions
107
src/tests/JIT/Regression/JitBlue/Runtime_68568/Runtime_68568.il
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
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| // Metadata version: v4.0.30319 | ||
| .assembly extern System.Runtime | ||
| { | ||
| .publickeytoken = (B0 3F 5F 7F 11 D5 0A 3A ) // .?_....: | ||
| .ver 7:0:0:0 | ||
| } | ||
| .assembly extern System.Console | ||
| { | ||
| .publickeytoken = (B0 3F 5F 7F 11 D5 0A 3A ) // .?_....: | ||
| .ver 7:0:0:0 | ||
| } | ||
| .assembly playground | ||
| { | ||
| } | ||
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| // =============== CLASS MEMBERS DECLARATION =================== | ||
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| .class public auto ansi beforefieldinit Runtime_68568 | ||
| extends [System.Runtime]System.Object | ||
| { | ||
| .method public hidebysig static int32 Main() cil managed | ||
| { | ||
| .entrypoint | ||
| // Code size 79 (0x4f) | ||
| .maxstack 2 | ||
| .locals init (bool V_0) | ||
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| // Code equivalent to the following, except without the | ||
| // int cast that C# adds on switch cases. | ||
| // | ||
| // switch (unchecked((nuint)0x100000000)) | ||
| // { | ||
| // case 0: | ||
| // pass = sizeof(nint) == 4; | ||
| // break; | ||
| // case 1: | ||
| // pass = false; | ||
| // break; | ||
| // default: | ||
| // pass = sizeof(nint) == 8; | ||
| // break; | ||
| // } | ||
| // | ||
| // if (pass) | ||
| // { | ||
| // Console.WriteLine("PASS"); | ||
| // return 100; | ||
| // } | ||
| // | ||
| // Console.WriteLine("FAIL"); | ||
| // return -1; | ||
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| IL_0000: ldc.i4.0 | ||
| IL_0001: stloc.0 | ||
| IL_0002: ldc.i8 0x100000000 | ||
| IL_000b: conv.u | ||
| IL_000c: switch ( | ||
| IL_0025, | ||
| IL_0031) | ||
| IL_0019: sizeof [System.Runtime]System.IntPtr | ||
| IL_001f: ldc.i4.8 | ||
| IL_0020: ceq | ||
| IL_0022: stloc.0 | ||
| IL_0023: br.s IL_0033 | ||
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| IL_0025: sizeof [System.Runtime]System.IntPtr | ||
| IL_002b: ldc.i4.4 | ||
| IL_002c: ceq | ||
| IL_002e: stloc.0 | ||
| IL_002f: br.s IL_0033 | ||
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| IL_0031: ldc.i4.0 | ||
| IL_0032: stloc.0 | ||
| IL_0033: ldloc.0 | ||
| IL_0034: brfalse.s IL_0043 | ||
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| IL_0036: ldstr "PASS" | ||
| IL_003b: call void [System.Console]System.Console::WriteLine(string) | ||
| IL_0040: ldc.i4.s 100 | ||
| IL_0042: ret | ||
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| IL_0043: ldstr "FAIL" | ||
| IL_0048: call void [System.Console]System.Console::WriteLine(string) | ||
| IL_004d: ldc.i4.m1 | ||
| IL_004e: ret | ||
| } // end of method Runtime_68568::Main | ||
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| .method public hidebysig specialname rtspecialname | ||
| instance void .ctor() cil managed | ||
| { | ||
| // Code size 7 (0x7) | ||
| .maxstack 8 | ||
| IL_0000: ldarg.0 | ||
| IL_0001: call instance void [System.Runtime]System.Object::.ctor() | ||
| IL_0006: ret | ||
| } // end of method Runtime_68568::.ctor | ||
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| } // end of class Runtime_68568 | ||
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| // ============================================================= | ||
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| // *********** DISASSEMBLY COMPLETE *********************** |
12 changes: 12 additions & 0 deletions
12
src/tests/JIT/Regression/JitBlue/Runtime_68568/Runtime_68568.ilproj
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk.IL"> | ||
| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| </PropertyGroup> | ||
| <PropertyGroup> | ||
| <DebugType>None</DebugType> | ||
| <Optimize>True</Optimize> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <Compile Include="$(MSBuildProjectName).il" /> | ||
| </ItemGroup> | ||
| </Project> |
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