[all-commits] [llvm/llvm-project] 22530e: [CostModel][X86] Update vXi8 mul costs for AVX512B...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 22530e7985083032fe708848abb88b77be78e5ce
      https://github.com/llvm/llvm-project/commit/22530e7985083032fe708848abb88b77be78e5ce
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-06-16 (Sun, 16 Jun 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/X86/arith-int-codesize.ll
    M llvm/test/Analysis/CostModel/X86/arith-int-latency.ll
    M llvm/test/Analysis/CostModel/X86/arith-int-sizelatency.ll
    M llvm/test/Analysis/CostModel/X86/arith-int.ll
    M llvm/test/Analysis/CostModel/X86/rem-codesize.ll
    M llvm/test/Analysis/CostModel/X86/rem-latency.ll
    M llvm/test/Analysis/CostModel/X86/rem-sizelatency.ll
    M llvm/test/Analysis/CostModel/X86/rem.ll
    M llvm/test/Analysis/CostModel/X86/slm-arith-costs.ll
    M llvm/test/Transforms/VectorCombine/X86/extract-binop-inseltpoison.ll
    M llvm/test/Transforms/VectorCombine/X86/extract-binop.ll

  Log Message:
  -----------
  [CostModel][X86] Update vXi8 mul costs for AVX512BW/AVX2/AVX1/SSE

Later levels were inheriting some of the worst case costs from SSE/AVX1 etc.

Based off llvm-mca numbers from the check_cost_tables.py script in https://github.com/RKSimon/llvm-scripts

Cleanup prep work for #90748



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