[all-commits] [llvm/llvm-project] 67076e: [X86][AVX] lowerShuffleAsLanePermuteAndShuffle - d...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 67076ebb606e9fc0e6403796ab9cb2952001684d
      https://github.com/llvm/llvm-project/commit/67076ebb606e9fc0e6403796ab9cb2952001684d
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-01-14 (Fri, 14 Jan 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/oddshuffles.ll
    M llvm/test/CodeGen/X86/vector-interleaved-load-i32-stride-3.ll
    M llvm/test/CodeGen/X86/vector-interleaved-load-i32-stride-4.ll
    M llvm/test/CodeGen/X86/vector-interleaved-load-i32-stride-6.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i32-stride-6.ll
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll

  Log Message:
  -----------
  [X86][AVX] lowerShuffleAsLanePermuteAndShuffle - don't split repeated mask patterns

Generalize 57a551a8dfa7 - if the inlane mask is a repeated mask, we're better off performing the lane permute instead of splitting