diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index 12e6c49..ebc21a1 100644
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -456,6 +456,7 @@
     unsigned getOperand() const { return Operand; }
     const SUnit *getNode() const { return Node; }
     bool isCtrlDep() const { return Node->Preds[Operand].isCtrl; }
+    bool isSpecialDep() const { return Node->Preds[Operand].isSpecial; }
   };
 
   template <> struct GraphTraits<SUnit*> {
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 7779acc..b07b86e 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -283,6 +283,8 @@
     /// edge, override this method.
     template<typename EdgeIter>
     static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
+      if (EI.isSpecialDep())
+        return "color=cyan,style=dashed";
       if (EI.isCtrlDep())
         return "color=blue,style=dashed";
       return "";