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JIT: block copy/zero assertion gen for structs with exposed promoted … #75375

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merged 1 commit into from
Sep 10, 2022

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…fields

If a struct has an exposed field, we can't safely reason about is value in local assertion prop.

Closes #75249.

…fields

If a struct has an exposed field, we can't safely reason about is value in
local assertion prop.

Closes dotnet#75249.
@dotnet-issue-labeler dotnet-issue-labeler bot added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Sep 9, 2022
@ghost ghost assigned AndyAyersMS Sep 9, 2022
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ghost commented Sep 9, 2022

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…fields

If a struct has an exposed field, we can't safely reason about is value in local assertion prop.

Closes #75249.

Author: AndyAyersMS
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area-CodeGen-coreclr

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@AndyAyersMS
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@jakobbotsch PTAL
cc @dotnet/jit-contrib

A few minor diffs expected.

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I had to retry the x86 spmi replay; it passed but failed with the duplicate artifacts issue. Monollvm AOT failure is unrelated.

@AndyAyersMS AndyAyersMS merged commit cb1343d into dotnet:main Sep 10, 2022
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JIT: Bad codegen on win-x86
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