[all-commits] [llvm/llvm-project] dc7b67: [AArch64][SVE] Lower shuffles to permute instructi...

[Andrew Wei via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dc7b672f969bf75593599b1bafe74932f69f350a
      https://github.com/llvm/llvm-project/commit/dc7b672f969bf75593599b1bafe74932f69f350a
  Author: Andrew Wei <weiwei64 at huawei.com>
  Date:   2021-12-15 (Wed, 15 Dec 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.h
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    A llvm/test/CodeGen/AArch64/sve-fixed-length-permute-rev.ll

  Log Message:
  -----------
  [AArch64][SVE] Lower shuffles to permute instructions: rev/revb/revh/revw

Attempt to lower a shuffle as a permute instruction(rev/revb/revh/revw) for fixed length SVE.

Reviewed By: paulwalker-arm

Differential Revision: https://reviews.llvm.org/D114960