[PATCH] D116270: [AMDGPU] Enable divergence-driven XNOR selection
Jay Foad via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jan 7 01:14:55 PST 2022
foad added a comment.
> SIInstrInfo::lowerScalarXnor() is dead after your patch
I don't understand why it is dead. In general moveToVALU moves instructions to VALU if any of their inputs are VGPRs, which can happen even if the result is uniform -- e.g. if some of the inputs are derived from a floating point calculation which had to use VALU instructions.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D116270/new/
https://reviews.llvm.org/D116270
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