[PATCH] D141712: [GVN] Improve PRE on load instructions

[NAKAMURA Takumi via Phabricator via llvm-commits]

chapuni added a comment.

@nikic Thanks for fixing!

It is not a fix for debug but a fix for actual unstable bug.
I saw the case that phantoms were found in `VN` and caused nondeterministic behavior with a low probability.
(I guess new Inst might point deleted one, not sure)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141712/new/

https://reviews.llvm.org/D141712