[all-commits] [llvm/llvm-project] 91ab83: [X86] combineConcatVectorOps - pull out repeated g...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 91ab8320db977a143320d8afb96ea2de3b6df938
      https://github.com/llvm/llvm-project/commit/91ab8320db977a143320d8afb96ea2de3b6df938
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-06-05 (Thu, 05 Jun 2025)

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

  Log Message:
  -----------
  [X86] combineConcatVectorOps - pull out repeated getConstantOperandAPInt calls for the same EXTRACT_SUBVECTOR indices. NFC.


  Commit: d88067c3410f5bf5d9b892ca421d58ec696b8b79
      https://github.com/llvm/llvm-project/commit/d88067c3410f5bf5d9b892ca421d58ec696b8b79
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-06-05 (Thu, 05 Jun 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/matrix-multiply.ll

  Log Message:
  -----------
  [X86] combineTargetShuffle - canonicalize vperm2x128(x,x)/vperm2x128(undef,x) -> vperm2x128(x,undef)

Improves fold matching for future patches.


Compare: https://github.com/llvm/llvm-project/compare/6955a7d134e7...d88067c3410f

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