[all-commits] [llvm/llvm-project] c7995a: [AArch64] Disallow vscale x 1 partial reductions ...

[Sam Tebbs via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c7995a6905f2320f280013454676f992a8c6f89f
      https://github.com/llvm/llvm-project/commit/c7995a6905f2320f280013454676f992a8c6f89f
  Author: Sam Tebbs <samuel.tebbs at arm.com>
  Date:   2025-02-05 (Wed, 05 Feb 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll

  Log Message:
  -----------
  [AArch64] Disallow vscale x 1  partial reductions (#125252)

We don't want to allow partial reductions resulting in a vscale x 1 type
as we can't lower it in the backend.



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