[all-commits] [llvm/llvm-project] 2655bd: [X86][SSE] combineShuffleWithHorizOp - canonicaliz...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 2655bd51d6a350b1aa71566fa9cbaad64990336a
      https://github.com/llvm/llvm-project/commit/2655bd51d6a350b1aa71566fa9cbaad64990336a
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-08-11 (Tue, 11 Aug 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/haddsub-shuf.ll
    M llvm/test/CodeGen/X86/haddsub-undef.ll

  Log Message:
  -----------
  [X86][SSE] combineShuffleWithHorizOp - canonicalize SHUFFLE(HOP(X,Y),HOP(Y,X)) -> SHUFFLE(HOP(X,Y))

Attempt to canonicalize binary shuffles of HOPs with commuted operands to an unary shuffle.


  Commit: b9aaf32f46494695d1b20c08730c1111536e17f8
      https://github.com/llvm/llvm-project/commit/b9aaf32f46494695d1b20c08730c1111536e17f8
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-08-11 (Tue, 11 Aug 2020)

  Changed paths:
    M clang/lib/Tooling/Transformer/RewriteRule.cpp

  Log Message:
  -----------
  Fix MSVC "not all control paths return a value" warning. NFC.


Compare: https://github.com/llvm/llvm-project/compare/8dd2eb10bbc4...b9aaf32f4649