[all-commits] [llvm/llvm-project] 48397f: [AArch64] Add cost model for REV shuffles. (#128498)

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 48397fe41ee67557e00f13f35d60c3c9b8485e89
      https://github.com/llvm/llvm-project/commit/48397fe41ee67557e00f13f35d60c3c9b8485e89
  Author: David Green <david.green at arm.com>
  Date:   2025-02-25 (Tue, 25 Feb 2025)

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

  Log Message:
  -----------
  [AArch64] Add cost model for REV shuffles. (#128498)

These patterns represent rev instructions, which reverse inside a
portion of the full vector. See llvm/test/CodeGen/AArch64/arm64-rev.ll
for codegen tests.



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