[all-commits] [llvm/llvm-project] 2db3cc: [AArch64][CostModel] Lower cost of dupq (SVE2.1) (...

[Graham Hunter via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2db3cc4f34703f94b1c9bd5304f3e493315e4f2d
      https://github.com/llvm/llvm-project/commit/2db3cc4f34703f94b1c9bd5304f3e493315e4f2d
  Author: Graham Hunter <graham.hunter at arm.com>
  Date:   2025-06-25 (Wed, 25 Jun 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64PerfectShuffle.h
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    A llvm/test/Analysis/CostModel/AArch64/segmented-shufflevector-patterns.ll
    M llvm/test/CodeGen/AArch64/sve2p1-vector-shuffles.ll

  Log Message:
  -----------
  [AArch64][CostModel] Lower cost of dupq (SVE2.1) (#144918)

With codegen in place to match shuffles to dupq, we can now lower the
cost to something reasonable.



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications