[all-commits] [llvm/llvm-project] a55127: [CostModel][X86] getGSVectorCost - add cost kind s...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a55127281b2ed5f24f848b9e5c70870ad170bc3f
      https://github.com/llvm/llvm-project/commit/a55127281b2ed5f24f848b9e5c70870ad170bc3f
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-05-08 (Wed, 08 May 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/X86/masked-intrinsic-codesize.ll
    M llvm/test/Analysis/CostModel/X86/masked-intrinsic-latency.ll
    M llvm/test/Analysis/CostModel/X86/masked-intrinsic-sizelatency.ll

  Log Message:
  -----------
  [CostModel][X86] getGSVectorCost - add cost kind support

Don't just assume gather/scatter non-throughput costs are 1 - latency and sizelatency (#uops) costs will be high, and codesize (#instructions) needs to account splitting.



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