[PATCH] D111804: [InstCombine] Don't combine CmpInst that used for verify the legality of the lshr

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

If an input to an `or` instruction is poison, the output of the `or` is poison regardless of whether the other operand is true when the poison result occurs.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111804/new/

https://reviews.llvm.org/D111804