[PATCH] D92557: [MachineLICM] delete dead flag if the duplicated def outside of loop is dead.

[ChenZheng via Phabricator via llvm-commits]

shchenz updated this revision to Diff 312901.
shchenz added a comment.

address @arsenm comments:
1: handle the case when hoisted and dup registers are both dead.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92557/new/

https://reviews.llvm.org/D92557

Files:
  llvm/lib/CodeGen/MachineLICM.cpp
  llvm/test/CodeGen/PowerPC/machinelicm-cse-dead-flag.mir

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