[PATCH] D150246: AMDGPU: Fix issue in shl(or) combine
Jay Foad via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon May 15 03:33:12 PDT 2023
foad added a comment.
I think this is OK, but wouldn't it be simpler to transform `((a | c1) << c2) ==> (a << c2) | (c1 << c2)` and remove the knownbits check? Or do you think that would make the generated code worse overall?
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D150246/new/
https://reviews.llvm.org/D150246
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