[all-commits] [llvm/llvm-project] f1b80f: [CostModel][X86] Add basic AVX512 Intrinsic::maske...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f1b80f06f2b3f878086a24dd145244053aad51af
      https://github.com/llvm/llvm-project/commit/f1b80f06f2b3f878086a24dd145244053aad51af
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2026-09-23 (Wed, 23 Sep 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/X86/masked-intrinsic-cost-inseltpoison.ll
    M llvm/test/Analysis/CostModel/X86/masked-intrinsic-cost.ll

  Log Message:
  -----------
  [CostModel][X86] Add basic AVX512 Intrinsic::masked_expandload cost tables (#225857)

Numbers based off uops.info and Agner averages - they can be polished in
the future, hopefully in conjunction with the scheduler models (which
defaults to treating them as folded variable shuffles).

Still needs splitting/legalization cost adjustments, but the codegen is
pretty good so the split multiplier isn't that far off tbh.

Part of #214613



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