[llvm] [SelectionDAG] Add PARTIAL_REDUCE_U/SMLA ISD Nodes (PR #125207)

[Paul Walker via llvm-commits]

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@@ -4435,6 +4447,13 @@ SDValue DAGTypeLegalizer::SplitVecOp_VECTOR_HISTOGRAM(SDNode *N) {
                                 MMO, IndexType);
 }
 
+SDValue DAGTypeLegalizer::SplitVecOp_PARTIAL_REDUCE_MLA(SDNode *N) {
+  SDLoc DL(N);
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paulwalker-arm wrote:

DL is unused?

https://github.com/llvm/llvm-project/pull/125207