[PATCH] D144319: [SimplifyCFG] Check if the return instruction causes undefined behavior

[DianQK via Phabricator via llvm-commits]

DianQK updated this revision to Diff 498661.
DianQK added a comment.

check `!PtrValueMayBeModified`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144319/new/

https://reviews.llvm.org/D144319

Files:
  llvm/lib/Transforms/Utils/SimplifyCFG.cpp
  llvm/test/Transforms/SimplifyCFG/unreachable-eliminate-on-ret.ll

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