[PATCH] D104569: [SimplifyCFG] Fix SimplifyBranchOnICmpChain to be undef/poison safe.
Hyeongyu Kim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 21 03:23:18 PDT 2021
hyeongyukim updated this revision to Diff 353317.
hyeongyukim added a comment.
I modified my code to add the freeze instruction only if extra values are poison.
And I also pass dominator tree to isGuaranteedNotToBePosion, but unnecessary freeze instruction is still being added.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D104569/new/
https://reviews.llvm.org/D104569
Files:
llvm/lib/Transforms/Utils/SimplifyCFG.cpp
llvm/test/Transforms/SimplifyCFG/switch_create-custom-dl.ll
llvm/test/Transforms/SimplifyCFG/switch_create.ll
llvm/test/Transforms/SimplifyCFG/switch_msan.ll
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