Temp Commit. GraphWriter is still not working

llvm/include/llvm/IR/DFGraph.h

@@ -434,8 +434,8 @@ struct DOTGraphTraits<DFGraph*> : public DefaultDOTGraphTraits {
 };
 
 void viewDFGraph(DFGraph *G) {
-  llvm::WriteGraph(G, "DataflowGrpah");
-  llvm::ViewGraph(G, "DataflowGraph");
+  //llvm::WriteGraph(G, "DataflowGrpah");
+  //llvm::ViewGraph(G, "DataflowGraph");
 }
 
 } // End llvm namespace

llvm/lib/Transforms/BuildDFG/BuildDFG.cpp

@@ -130,28 +130,18 @@ namespace {
   void BuildDFG::handleCreateEdge (DFInternalNode* N, IntrinsicInst* II) {
     // The DFNode structures must be in the map before the edge is processed
     HandleToDFNode::iterator DFI = HandleToDFNodeMap.find(II->getOperand(0));
-    errs() << "\n1";
     assert(DFI != HandleToDFNodeMap.end());
-    errs() << " 2 ";
     DFI = HandleToDFNodeMap.find(II->getOperand(1));
-    errs() << " 3 ";
     assert(DFI != HandleToDFNodeMap.end());
-    errs() << " 4 ";
+
     DFNode* SrcDF = HandleToDFNodeMap[II->getOperand(0)];
-    errs() << " 5 ";
     DFNode* DestDF = HandleToDFNodeMap[II->getOperand(1)];
-    errs() << " 6 ";
     Function* DFMapFunc = cast<Function>((II->getOperand(2))->stripPointerCasts());
-    errs() << " 7 ";
     Function* ArgMapFunc = cast<Function>((II->getOperand(3))->stripPointerCasts());
-    errs() << " 8 ";
     DFEdge* NewDFEdge = DFEdge::Create(SrcDF, DestDF, DFMapFunc, ArgMapFunc);
-    errs() << " 9 ";
     // FIXME Need interface of DFNode for the following:
     N->addEdgeToDFGraph(NewDFEdge);
-    errs() << " 10 ";
     SrcDF->addSuccessor(DestDF);
-    errs() << " 11 ";
   }
 
   void BuildDFG::BuildGraph (DFInternalNode* N, Function *F) {