[PATCH] D65542: [PeepholeOptimizer] Don't assume bitcast def always has input

[Jinsong Ji via Phabricator via llvm-commits]

jsji added a reviewer: arsenm.
jsji added a comment.
Herald added a subscriber: wdng.

@arsenm Is this MIR test OK?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65542/new/

https://reviews.llvm.org/D65542