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

[James Chesterman via llvm-commits]

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@@ -12188,3 +12189,51 @@ SDValue TargetLowering::scalarizeExtractedVectorLoad(EVT ResultVT,
 
   return Load;
 }
+
+SDValue TargetLowering::expandPartialReduceMLA(SDLoc DL, SDValue Acc,
+                                               SDValue Input1, SDValue Input2,
+                                               SelectionDAG &DAG) const {
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JamesChesterman wrote:

Done

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