[all-commits] [llvm/llvm-project] 0cf9e4: [AArch64] Add SK_Splice fixed-width costs

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0cf9e47f27979d19953e98edafba670866c3336f
      https://github.com/llvm/llvm-project/commit/0cf9e47f27979d19953e98edafba670866c3336f
  Author: David Green <david.green at arm.com>
  Date:   2022-08-22 (Mon, 22 Aug 2022)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/AArch64/splice.ll

  Log Message:
  -----------
  [AArch64] Add SK_Splice fixed-width costs

A fixed length SK_Splice shuffle vector is lowered to a Ext under
AArch64, which should have a cost of 1.

Differential Revision: https://reviews.llvm.org/D132299