[PATCH] D112693: [SimplifyCFG] Fix miscompile in tryWidenCondBranchToCondBranch. PR52290
Artur Pilipenko via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 9 12:20:21 PST 2021
apilipenko added a comment.
I agree with Philip, widening transformation doesn't rely on deoptimizations.
> Some more detailed description: imagine each block had a unique call signaling that we entered it.
The transform in question will not happen if there are side effects in the block.
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https://reviews.llvm.org/D112693/new/
https://reviews.llvm.org/D112693
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