[all-commits] [llvm/llvm-project] 6f77f5: [X86] combineConcatVectorOps - convert (V)SHUFPS c...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6f77f534d05dc3069ea4d0d7a847d77d45b798f4
      https://github.com/llvm/llvm-project/commit/6f77f534d05dc3069ea4d0d7a847d77d45b798f4
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-03-08 (Sat, 08 Mar 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/masked_store_trunc_ssat.ll
    M llvm/test/CodeGen/X86/masked_store_trunc_usat.ll
    M llvm/test/CodeGen/X86/vector-fshl-256.ll
    M llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
    M llvm/test/CodeGen/X86/vector-fshr-256.ll
    M llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
    M llvm/test/CodeGen/X86/vector-rotate-256.ll
    M llvm/test/CodeGen/X86/vector-trunc-packus.ll
    M llvm/test/CodeGen/X86/vector-trunc-ssat.ll
    M llvm/test/CodeGen/X86/vector-trunc-usat.ll

  Log Message:
  -----------
  [X86] combineConcatVectorOps - convert (V)SHUFPS concatenation to use combineConcatVectorOps recursion (#130426)

Only concatenate X86ISD::SHUFP nodes if at least one operand is
beneficial to concatenate - helps prevent lot of unnecessary AVX1
concatenations



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