[PATCH] D64394: [MachineCSE][MachinePRE] Do not hoist common computations into loop bodies

[Kai Luo via Phabricator via llvm-commits]

lkail updated this revision to Diff 208882.
lkail edited the summary of this revision.
lkail added reviewers: courbet, SjoerdMeijer.
lkail added a comment.
Herald added a subscriber: javed.absar.

Updated the patch, using `MachineBlockFrequency` as metric to check if `CMBB` is appropriate to hoist into.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64394/new/

https://reviews.llvm.org/D64394

Files:
  llvm/lib/CodeGen/MachineCSE.cpp
  llvm/test/CodeGen/AArch64/O3-pipeline.ll
  llvm/test/CodeGen/ARM/O3-pipeline.ll
  llvm/test/CodeGen/PowerPC/machine-pre.ll
  llvm/test/CodeGen/X86/O3-pipeline.ll

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