[PATCH] D44897: [PowerPC] Do not emit record-form rotates when record-form andi/andis suffices

[Nemanja Ivanovic via Phabricator via llvm-commits]

nemanjai updated this revision to Diff 139907.
nemanjai added a comment.

Added the missing check for the record-form "and immediate shifted" as compares they feed are often redundant.


Repository:
  rL LLVM

https://reviews.llvm.org/D44897

Files:
  lib/Target/PowerPC/PPCInstrInfo.cpp
  test/CodeGen/PowerPC/noPermuteFormasking.ll
  test/CodeGen/PowerPC/tail-dup-break-cfg.ll
  test/CodeGen/PowerPC/tail-dup-layout.ll

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