[all-commits] [llvm/llvm-project] 85cf95: [AArch64] Improve codegen for some fixed-width par...

[David Sherwood via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 85cf95876c4b21ee6ecd0253a2c9de0e90c4a521
      https://github.com/llvm/llvm-project/commit/85cf95876c4b21ee6ecd0253a2c9de0e90c4a521
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2025-02-25 (Tue, 25 Feb 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/neon-partial-reduce-dot-product.ll

  Log Message:
  -----------
  [AArch64] Improve codegen for some fixed-width partial reductions (#126529)

This patch teaches optimizeExtendOrTruncateConversion to bail out
if the user of a zero-extend is a partial reduction intrinsic
that we know will get lowered efficiently to a udot instruction.



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