[PATCH] D71170: [PowerPC] [NFC] Cleanup xxpermdi peephole optimization

[Colin Samples via Phabricator via llvm-commits]

vddvss updated this revision to Diff 232915.
vddvss marked an inline comment as done.
vddvss added a comment.

This addresses @jsji's note about the potential for stack slots being let through by using `isPhysicalRegister`. It changes this pattern and the one from  D69497 <https://reviews.llvm.org/D69497> to use  `!isVirtualRegister`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71170/new/

https://reviews.llvm.org/D71170

Files:
  llvm/lib/Target/PowerPC/PPCMIPeephole.cpp

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