[PATCH] D85029: [JumpThreading] Allow duplicating a basic block into preds when its branch condition is freeze(phi)
Juneyoung Lee via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 4 01:57:25 PDT 2020
aqjune added inline comments.
================
Comment at: llvm/lib/Transforms/Scalar/JumpThreading.cpp:1206
+ if (PN && PN->getParent() == BB && isa<BranchInst>(BB->getTerminator()))
+ return ProcessBranchOnPHI(PN);
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efriedma wrote:
> Would it make sense to use SimplifyValue here? (That sort of interacts with your other patch, I think?)
I think it is tricky, since SimplifyValue may be extracted from icmp as well (line 1179)
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CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D85029/new/
https://reviews.llvm.org/D85029
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