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Target features need to be propagated to LLVM #1154

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smeenai opened this issue Nov 22, 2024 · 0 comments
Open

Target features need to be propagated to LLVM #1154

smeenai opened this issue Nov 22, 2024 · 0 comments
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IR difference A difference in ClangIR-generated LLVM IR that could complicate reusing original CodeGen tests

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smeenai commented Nov 22, 2024

See https://godbolt.org/z/3n85TK4ab for an example. CodeGen adds -target-features to LLVM function attributes to propagate -march. CIRGen needs to match this so that we can e.g. use feature-specific intrinsics end-to-end.
@smeenai smeenai added the IR difference A difference in ClangIR-generated LLVM IR that could complicate reusing original CodeGen tests label Nov 22, 2024
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IR difference A difference in ClangIR-generated LLVM IR that could complicate reusing original CodeGen tests
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