add a method

llvm-svn: 23575

llvm/include/llvm/Support/DOTGraphTraits.h

@@ -51,6 +51,12 @@ struct DefaultDOTGraphTraits {
   static std::string getNodeLabel(const void *Node, const void *Graph) {
     return "";
   }
+  
+  /// hasNodeAddressLabel - If this method returns true, the address of the node
+  /// is added to the label of the node.
+  static bool hasNodeAddressLabel(const void *Node, const void *Graph) {
+    return false;
+  }
 
   /// If you want to specify custom node attributes, this is the place to do so
   ///

llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp

@@ -33,6 +33,11 @@ namespace llvm {
     static bool renderGraphFromBottomUp() {
       return true;
     }
+    
+    static bool hasNodeAddressLabel(const SDNode *Node,
+                                    const SelectionDAG *Graph) {
+      return true;
+    }
 
     static std::string getNodeLabel(const SDNode *Node,
                                     const SelectionDAG *Graph);