[PATCH] D104193: [InstCombine] Require one user (not one use) for operands when optimize both (sext bool X) * (sext bool Y) and (zext bool X) * (zext bool Y)
Roman Lebedev via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Jun 13 06:56:02 PDT 2021
lebedev.ri added a comment.
There's two cases here
1. `X == Y`, where we should produce `zext` regardless of use count
2. and this. but there is a number of tests missing - can this not happen when the operands of mul are different instructions?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D104193/new/
https://reviews.llvm.org/D104193
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