[all-commits] [llvm/llvm-project] 3b84b6: [CostModel][X86] Add test coverage for 'concat sub...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3b84b6f1763159dbcdc487b201aa46a5c1c7b074
      https://github.com/llvm/llvm-project/commit/3b84b6f1763159dbcdc487b201aa46a5c1c7b074
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-03-05 (Tue, 05 Mar 2024)

  Changed paths:
    A llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector-codesize.ll
    A llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector-latency.ll
    A llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector-sizelatency.ll
    A llvm/test/Analysis/CostModel/X86/shuffle-concat_subvector.ll

  Log Message:
  -----------
  [CostModel][X86] Add test coverage for 'concat subvector' style shuffles

Shows 2 major issues:
 - SSE should be free as it splits everything to 128-bit
 - Negative costs for 128 -> 512 concat shuffles



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications