[all-commits] [llvm/llvm-project] 34a054: [X86] combineX86ShuffleChain - add support for com...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 34a054ce7170060a6ec9ef4eb2dcacd69225715a
      https://github.com/llvm/llvm-project/commit/34a054ce7170060a6ec9ef4eb2dcacd69225715a
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-02-15 (Sat, 15 Feb 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx2.ll
    M llvm/test/CodeGen/X86/vector-shuffle-combining-ssse3.ll
    M llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll

  Log Message:
  -----------
  [X86] combineX86ShuffleChain - add support for combining to X86ISD::ROTLI

Refactors matchShuffleAsBitRotate to allow use by both lowerShuffleAsBitRotate and matchUnaryPermuteShuffle.