[all-commits] [llvm/llvm-project] 0bcef1: [PowerPC] remove XXSWAPD after vector splat immediate

[Ting Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0bcef1d93de828950eef305640a0295f2181770a
      https://github.com/llvm/llvm-project/commit/0bcef1d93de828950eef305640a0295f2181770a
  Author: Ting Wang <Ting.Wang.SH at ibm.com>
  Date:   2023-07-12 (Wed, 12 Jul 2023)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCMIPeephole.cpp

  Log Message:
  -----------
  [PowerPC] remove XXSWAPD after vector splat immediate

Redundant XXSWAPD has been observed on little-endian in D138883 test
case. Remove those associated with vector splat instructions.

Reviewed By: shchenz

Differential Revision: https://reviews.llvm.org/D139193