[all-commits] [llvm/llvm-project] b6f65f: [SelectionDAG] Improve type legalisation for PARTI...

[Nicholas Guy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b6f65f07bc0214f932aa69fc58859ad5ac9efa1a
      https://github.com/llvm/llvm-project/commit/b6f65f07bc0214f932aa69fc58859ad5ac9efa1a
  Author: Nicholas Guy <nicholas.guy at arm.com>
  Date:   2025-05-01 (Thu, 01 May 2025)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
    M llvm/test/CodeGen/AArch64/neon-partial-reduce-dot-product.ll
    M llvm/test/CodeGen/AArch64/partial-reduction-add.ll
    M llvm/test/CodeGen/AArch64/sve-partial-reduce-dot-product.ll
    M llvm/test/CodeGen/AArch64/sve-partial-reduce-wide-add.ll

  Log Message:
  -----------
  [SelectionDAG] Improve type legalisation for PARTIAL_REDUCE_MLA (#130935)

Implement proper splitting functions for PARTIAL_REDUCE_MLA ISD nodes.
This makes the udot_8to64 and sdot_8to64 tests generate dot product
instructions for when the new ISD nodes are used.

---------

Co-authored-by: James Chesterman <james.chesterman at arm.com>



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