[SelectionDAG] Use MemVT for FoldingSetNodeID in SelectionDAG::getLoa…

…dVP.

Return types and operands are put in the ID by AddNodeIDNode. I'm
pretty sure this was supposed to be the memory VT.

llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

@@ -8378,7 +8378,7 @@ SDValue SelectionDAG::getLoadVP(ISD::MemIndexedMode AM,
   SDValue Ops[] = {Chain, Ptr, Offset, Mask, EVL};
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, ISD::VP_LOAD, VTs, Ops);
-  ID.AddInteger(VT.getRawBits());
+  ID.AddInteger(MemVT.getRawBits());
   ID.AddInteger(getSyntheticNodeSubclassData<VPLoadSDNode>(
       dl.getIROrder(), VTs, AM, ExtType, IsExpanding, MemVT, MMO));
   ID.AddInteger(MMO->getPointerInfo().getAddrSpace());