[all-commits] [llvm/llvm-project] e5f401: [AArch64] Add extending reduction costs for addlv ...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e5f4019f69948f55b77fcb5f63ae8c296418432c
      https://github.com/llvm/llvm-project/commit/e5f4019f69948f55b77fcb5f63ae8c296418432c
  Author: David Green <david.green at arm.com>
  Date:   2025-02-15 (Sat, 15 Feb 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
    M llvm/test/Transforms/SLPVectorizer/AArch64/horizontal.ll
    A llvm/test/Transforms/SLPVectorizer/AArch64/vecreduceadd.ll

  Log Message:
  -----------
  [AArch64] Add extending reduction costs for addlv and dot

This adds some basic getExtendedReductionCost and getMulAccReductionCost to
account for add reduction (uaddlv/saddlv) and mla reductions with dotprod.



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