[SelectionDAG] Use SDUse::get() instead of a static_cast to SDValue. NFC (#150043)

Author: topperc

llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

@@ -10559,7 +10559,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
                               ArrayRef<SDUse> Ops) {
   switch (Ops.size()) {
   case 0: return getNode(Opcode, DL, VT);
-  case 1: return getNode(Opcode, DL, VT, static_cast<const SDValue>(Ops[0]));
+  case 1: return getNode(Opcode, DL, VT, Ops[0].get());
   case 2: return getNode(Opcode, DL, VT, Ops[0], Ops[1]);
   case 3: return getNode(Opcode, DL, VT, Ops[0], Ops[1], Ops[2]);
   default: break;