[all-commits] [llvm/llvm-project] 6c2cc8: [AArch64] Improve cost of non-zero lane splats

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6c2cc8240e11721cac466cfce89bc0f87a5019be
      https://github.com/llvm/llvm-project/commit/6c2cc8240e11721cac466cfce89bc0f87a5019be
  Author: David Green <david.green at arm.com>
  Date:   2024-04-14 (Sun, 14 Apr 2024)

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

  Log Message:
  -----------
  [AArch64] Improve cost of non-zero lane splats

This adds a cost for non-zero lane splats, which is not included by default in
SK_Broadcast but can be handled by aarch64 dup lane instruction.



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