[PATCH] D65315: [PowerPC][Peephole] Check if `extsw`'s second operand is a virtual register

[Qing Shan Zhang via Phabricator via llvm-commits]

steven.zhang accepted this revision.
steven.zhang added a comment.
This revision is now accepted and ready to land.

LGTM with the update.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65315/new/

https://reviews.llvm.org/D65315