[PATCH] D132542: [InstCombine] Use dyn_cast instead of cast in visitPHINode

[Aditya Kumar via Phabricator via llvm-commits]

hiraditya added a comment.

My understanding is that a basic block with a PHI node should have first instruction as PHI


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132542/new/

https://reviews.llvm.org/D132542