[all-commits] [llvm/llvm-project] 611401: [CostModel][X86] getShuffleCost - use processShuff...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 611401c11594871aa5c7692cd17a7f12b6fbe660
      https://github.com/llvm/llvm-project/commit/611401c11594871aa5c7692cd17a7f12b6fbe660
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-12-20 (Fri, 20 Dec 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector-codesize.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector-latency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector-sizelatency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-insert_subvector-codesize.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-insert_subvector-latency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-insert_subvector-sizelatency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-insert_subvector.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src-codesize.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src-fp16-codesize.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src-fp16-latency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src-fp16-sizelatency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src-fp16.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src-latency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src-sizelatency.ll
    M llvm/test/Analysis/CostModel/X86/shuffle-two-src.ll
    M llvm/test/Transforms/PhaseOrdering/X86/hadd.ll
    M llvm/test/Transforms/PhaseOrdering/X86/pr94546.ll
    M llvm/test/Transforms/SLPVectorizer/X86/horizontal-minmax.ll
    M llvm/test/Transforms/SLPVectorizer/X86/minbitwidth-transformed-operand.ll
    M llvm/test/Transforms/VectorCombine/X86/shuffle-of-casts.ll
    M llvm/test/Transforms/VectorCombine/X86/shuffle-of-shuffles.ll

  Log Message:
  -----------
  [CostModel][X86] getShuffleCost - use processShuffleMasks to split SK_PermuteTwoSrc shuffles to legal types (#120599)

processShuffleMasks can now correctly handle 2 src shuffles, so we can use the existing SK_PermuteSingleSrc splitting cost logic to handle SK_PermuteTwoSrc as well and correctly recognise the number of active subvectors per legalised shuffle.



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