[PATCH] D93144: RegisterCoalescer: Fix not setting undef on coalesced subregister uses

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 311350.
arsenm added a comment.

Fix patch cleanup breakage


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93144/new/

https://reviews.llvm.org/D93144

Files:
  llvm/lib/CodeGen/RegisterCoalescer.cpp
  llvm/test/CodeGen/AMDGPU/undef-subreg-use-after-coalesce.mir

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