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[release/9.0] Fix infinite loop in genCreateAddrMode #106766

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merged 3 commits into from
Aug 22, 2024
Merged

[release/9.0] Fix infinite loop in genCreateAddrMode #106766

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dd1c697
Fix infinite loop in genAddrMode
EgorBo Aug 20, 2024
306331a
Merge branch 'release/9.0' into backport/pr-106732-to-release/9.0
jeffschwMSFT Aug 22, 2024
a068a20
Merge branch 'release/9.0' into backport/pr-106732-to-release/9.0
jeffschwMSFT Aug 22, 2024
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3 changes: 1 addition & 2 deletions src/coreclr/jit/codegencommon.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1365,9 +1365,8 @@ bool CodeGen::genCreateAddrMode(GenTree* addr,
{
cns += addConst->IconValue();
op2 = op2->AsOp()->gtOp1;
goto AGAIN;
}

goto AGAIN;
}
break;
#endif // TARGET_XARCH
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40 changes: 40 additions & 0 deletions src/tests/JIT/Regression/JitBlue/Runtime_106607/Runtime_106607.il
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@@ -0,0 +1,40 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

.assembly extern System.Runtime { }
.assembly extern System.Console { }
.assembly extern xunit.core { }
.assembly Runtime_106607 { }

.class Runtime_106607 extends [System.Runtime]System.Object
{
.method public static int32 Main() nooptimization
{
.custom instance void [xunit.core]Xunit.FactAttribute::.ctor() = (
01 00 00 00
)
.entrypoint
.maxstack 8
.locals init ([0] int32 num)

ldc.i4 42
stloc.0
ldloc.0
ldc.i4 1620763441
ldc.i4 1453536392
add
add
ldloc.0
ldloc.0
sub
ldc.i4 152872638
ldc.i4.s 31
and
shl
add
call void [System.Console]System.Console::WriteLine(int32)

ldc.i4 100
ret
}
}
9 changes: 9 additions & 0 deletions src/tests/JIT/Regression/JitBlue/Runtime_106607/Runtime_106607.ilproj
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@@ -0,0 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk.IL">
<PropertyGroup>
<DebugType>None</DebugType>
<Optimize>True</Optimize>
</PropertyGroup>
<ItemGroup>
<Compile Include="$(MSBuildProjectName).il" />
</ItemGroup>
</Project>
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