[all-commits] [llvm/llvm-project] b7e04c: [X86][AVX] matchUnaryShuffle - avoid creation of o...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b7e04ccd996dbaf4f1087e2bec3d37bae03aaa47
      https://github.com/llvm/llvm-project/commit/b7e04ccd996dbaf4f1087e2bec3d37bae03aaa47
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-01-30 (Sun, 30 Jan 2022)

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

  Log Message:
  -----------
  [X86][AVX] matchUnaryShuffle - avoid creation of on-the-fly nodes (PR45974)

Don't extract the ANY/ZERO_EXTEND_VECTOR_INREG subvector source until we're definitely combining to a new node.