[all-commits] [llvm/llvm-project] 92235e: [X86] lowerShuffleAsRepeatedMaskAndLanePermute - p...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 92235e3bf467e1f3aa820cae3c406aac4e867a4b
      https://github.com/llvm/llvm-project/commit/92235e3bf467e1f3aa820cae3c406aac4e867a4b
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-04-30 (Sat, 30 Apr 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-interleaved-load-i8-stride-4.ll
    M llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
    M llvm/test/CodeGen/X86/vector-shuffle-512-v64.ll
    M llvm/test/CodeGen/X86/x86-interleaved-access.ll

  Log Message:
  -----------
  [X86] lowerShuffleAsRepeatedMaskAndLanePermute - permit 32-bit sublane permute for unary v32i8 cases

Increase the likelihood that we can lower to a permd(pshufb()) pattern, but only after we've attempted with 64-bit sublane permutes first

Fixes #55066