add Dumper

Author: oscardssmith

llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp

@@ -298,6 +298,7 @@ std::string SDNode::getOperationName(const SelectionDAG *G) const {
   case ISD::ROTR:                       return "rotr";
   case ISD::FSHL:                       return "fshl";
   case ISD::FSHR:                       return "fshr";
+  case ISD::CLMUL:                      return "clmul";
   case ISD::FADD:                       return "fadd";
   case ISD::STRICT_FADD:                return "strict_fadd";
   case ISD::FSUB:                       return "fsub";