1 files changed, 14 insertions, 1 deletions
diff --git a/include/llvm/Support/DOTGraphTraits.h b/include/llvm/Support/DOTGraphTraits.h
index 080297f..0e8f59b 100644
--- a/include/llvm/Support/DOTGraphTraits.h
+++ b/include/llvm/Support/DOTGraphTraits.h
@@ -27,6 +27,17 @@ namespace llvm {
 /// implementations.
 ///
 struct DefaultDOTGraphTraits {
+private:
+  bool IsSimple;
+
+protected:
+  bool isSimple() {
+    return IsSimple;
+  }
+
+public:
+  DefaultDOTGraphTraits (bool simple=false) : IsSimple (simple) {}
+
   /// getGraphName - Return the label for the graph as a whole.  Printed at the
   /// top of the graph.
   ///
@@ -135,7 +146,9 @@ struct DefaultDOTGraphTraits {
 /// from DefaultDOTGraphTraits if you don't need to override everything.
 ///
 template <typename Ty>
-struct DOTGraphTraits : public DefaultDOTGraphTraits {};
+struct DOTGraphTraits : public DefaultDOTGraphTraits {
+  DOTGraphTraits (bool simple=false) : DefaultDOTGraphTraits (simple) {}
+};
 
 } // End llvm namespace