[all-commits] [llvm/llvm-project] dd5b48: [CostModel][X86] getShuffleCost - treat SK_Splice ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dd5b48976c353cf6344c38ac6e4caf6c6c50243a
      https://github.com/llvm/llvm-project/commit/dd5b48976c353cf6344c38ac6e4caf6c6c50243a
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-08-22 (Mon, 22 Aug 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp

  Log Message:
  -----------
  [CostModel][X86] getShuffleCost - treat SK_Splice as SK_PermuteTwoSrc

SK_Splice should be equivalent to a PALIGNR instruction etc. - but as discussed on D132308, until full fixed vector support for SK_Splice is in place, just assume its a SK_PermuteTwoSrc.