[llvm] [SelectionDAG] Support integer promotion for VP_LOAD and VP_STORE (PR #81299)

[Craig Topper via llvm-commits]

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@@ -875,6 +878,23 @@ SDValue DAGTypeLegalizer::PromoteIntRes_LOAD(LoadSDNode *N) {
   return Res;
 }
 
+SDValue DAGTypeLegalizer::PromoteIntRes_VP_LOAD(VPLoadSDNode *N) {
+  assert(!N->isIndexed() && "Indexed vp_load during type legalization!");
+  EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
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topperc wrote:

I don't see much point. It's fundamental to how the type legalizer works and we don't assert it anywhere else.

https://github.com/llvm/llvm-project/pull/81299