[PATCH] D83360: [InstSimplify] Remove select ?, undef, X -> X and select ?, X, undef -> X

[John Regehr via Phabricator via cfe-commits]

regehr added a comment.

@craig.topper ok, I agree that should work. alive doesn't like it -- is this an alive bug @nlopes? a freeze should not yield undef.
https://alive2.llvm.org/ce/z/mWAsYv


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83360/new/

https://reviews.llvm.org/D83360