[PATCH] D75401: [ValueTracking] Let isGuaranteedNotToBeUndefOrPoison look into branch conditions of dominating blocks' terminators

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune added a comment.

Fixed ( https://github.com/llvm/llvm-project/commit/d7267ee1941668d7e985681e29d10983799811a0 )
The reason was that LoopRotate was calling SimplifyInstruction(I) where I is a cloned instruction. CtxI is set as I by SimplifyInstruction, causing getting dom node from CtxI->getParent() to crash.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D75401/new/

https://reviews.llvm.org/D75401