[PATCH] D149651: [UnreachableBlockElim] Don't remove LCSSA phi nodes

[Jay Foad via Phabricator via llvm-commits]

foad updated this revision to Diff 519082.
foad added a comment.

Rebase.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149651/new/

https://reviews.llvm.org/D149651

Files:
  llvm/lib/CodeGen/UnreachableBlockElim.cpp
  llvm/test/CodeGen/AMDGPU/vgpr-liverange-ir.ll
  llvm/test/CodeGen/AMDGPU/wave32.ll

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