James Chesterman d4a0848dc6 [SelectionDAG] Add PARTIAL_REDUCE_U/SMLA ISD Nodes (#125207) ...

Add signed and unsigned PARTIAL_REDUCE_MLA ISD nodes. Add command line
argument (aarch64-enable-partial-reduce-nodes) that indicates whether the
intrinsic experimental_vector_partial_ reduce_add will be transformed
into the new ISD node. Lowering with the new ISD nodes will, for now,
always be done as an expand.

2025-02-18 09:08:47 +00:00

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