[all-commits] [llvm/llvm-project] e32374: [X86][SSE] canonicalizeShuffleMaskWithHorizOp - ad...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e32374ed5cb27494c67817f12d1e1cec05486f40
      https://github.com/llvm/llvm-project/commit/e32374ed5cb27494c67817f12d1e1cec05486f40
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-05-10 (Mon, 10 May 2021)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp

  Log Message:
  -----------
  [X86][SSE] canonicalizeShuffleMaskWithHorizOp - add TODO for better 256/512-bit shuffle+hop folding support. NFC.


  Commit: a9196db905aaa35599ecd70e9f33d276bff355bb
      https://github.com/llvm/llvm-project/commit/a9196db905aaa35599ecd70e9f33d276bff355bb
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-05-10 (Mon, 10 May 2021)

  Changed paths:
    M llvm/test/CodeGen/X86/horizontal-shuffle-4.ll

  Log Message:
  -----------
  [X86][AVX] Add example of failure to remove a 256-bit permute(hadd(hadd(),hadd())) shuffle by reordering the packed operands.


Compare: https://github.com/llvm/llvm-project/compare/1f44fee521c8...a9196db905aa