[PATCH] D106317: [SimplifyCFG] performBranchToCommonDestFolding(): form sudo-LCSSA before cloning instructions (PR51125)
Johannes Doerfert via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 19 15:55:15 PDT 2021
jdoerfert added a comment.
It seems odd that we need to "prepare the IR" so late. At first glance, only looking at pr51125, it seems we treat uses in PHIs as uses of the phi block and not the predecessor (edge). Is that the problem?
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https://reviews.llvm.org/D106317/new/
https://reviews.llvm.org/D106317
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