[PATCH] D92071: [PowerPC] support register pressure reduction in machine combiner.

[ChenZheng via Phabricator via llvm-commits]

shchenz updated this revision to Diff 310830.
shchenz edited the summary of this revision.
shchenz added a comment.

1: don't require `LiveIntervals` analysis pass to estimate register pressure.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92071/new/

https://reviews.llvm.org/D92071

Files:
  llvm/include/llvm/CodeGen/MachineCombinerPattern.h
  llvm/lib/CodeGen/MachineCombiner.cpp
  llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
  llvm/lib/Target/PowerPC/PPCInstrInfo.h
  llvm/test/CodeGen/PowerPC/register-pressure-reduction.ll

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