[PATCH] D40554: [PowerPC] Fix bugs in sign-/zero-extension elimination

[Hiroshi Inoue via Phabricator via llvm-commits]

inouehrs updated this revision to Diff 133414.
inouehrs marked 3 inline comments as done.
inouehrs added a comment.

- changed the return value of `isSignOrZeroExtended` to `std::pair<bool, bool>`


https://reviews.llvm.org/D40554

Files:
  lib/Target/PowerPC/PPCInstrInfo.cpp
  lib/Target/PowerPC/PPCInstrInfo.h
  lib/Target/PowerPC/PPCMIPeephole.cpp
  test/CodeGen/PowerPC/sext_elimination.mir

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