[PATCH] D104661: [InstSimplify] Add more poison folding optimizations

Nikita Popov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 23 01:45:38 PDT 2021


nikic accepted this revision.
nikic added a comment.
This revision is now accepted and ready to land.

LGTM



================
Comment at: llvm/test/Transforms/InstCombine/select-binop-cmp.ll:1270
 ; We can't replace %x by 0 here, because that would cause UB. However,
 ; replacing the udiv result by poisong is fine.
 define i32 @select_replace_udiv_non_speculatable(i32 %x, i32 %y) {
----------------
While you're in the area: poisong -> poison


Repository:
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https://reviews.llvm.org/D104661



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