[PATCH] D31319: [PPC] Eliminate redundant sign- and zero-extensions in PPC MI Peephole pass

[Hiroshi Inoue via Phabricator via llvm-commits]

inouehrs commandeered this revision.
inouehrs removed a reviewer: inouehrs.
inouehrs added a comment.

commandeered back to update the patch


Repository:
  rL LLVM

https://reviews.llvm.org/D31319