[all-commits] [llvm/llvm-project] de1d90: Revert "[X86][SSE] lowerShuffleAsBitRotate - lower...

Amy Huang via All-commits all-commits at lists.llvm.org
Wed Feb 12 17:00:56 PST 2020


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: de1d90299b16ec274d4aca3551e4c3e5bb7e8344
      https://github.com/llvm/llvm-project/commit/de1d90299b16ec274d4aca3551e4c3e5bb7e8344
  Author: Amy Huang <akhuang at google.com>
  Date:   2020-02-12 (Wed, 12 Feb 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/bitreverse.ll
    M llvm/test/CodeGen/X86/bswap-vector.ll
    M llvm/test/CodeGen/X86/vector-bitreverse.ll
    M llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll

  Log Message:
  -----------
  Revert "[X86][SSE] lowerShuffleAsBitRotate - lower to vXi8 shuffles to ROTL on pre-SSSE3 targets"

This reverts commit 11c16e71598d51f15b4cfd0f719c4dabcc0bebf7 because it
causes a crash in chromium code. See
https://reviews.llvm.org/rG11c16e71598d51f15b4cfd0f719c4dabcc0bebf7.




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