[PATCH] D130622: [AMDGPU][SIFoldOperands] Clear kills when folding COPY

Wed Jul 27 08:33:01 PDT 2022

foad added a comment.

>> I wonder why we never normally see this in practice?
>
> I think we only go into this code if there is a COPY of the result of another COPY. Perhaps these are normally copy-propagated by some other pass before we get here?

See: https://reviews.llvm.org/D52577#1248697

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https://reviews.llvm.org/D130622