X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=cyclegraph.cc;h=62cef7c56079e2d2a46587a181340320a9fe0405;hb=c1372661a92b8d2ba3bc977ebbabf52127354bea;hp=66f9f69548608d02baa36dbd09bbd9b8ac2feac7;hpb=3b3533a76db06884f44b3e70ccdbad647275fcc4;p=model-checker.git

diff --git a/cyclegraph.cc b/cyclegraph.cc
index 66f9f69..62cef7c 100644
--- a/cyclegraph.cc
+++ b/cyclegraph.cc
@@ -62,6 +62,16 @@ void CycleGraph::addEdge(const ModelAction *from, const ModelAction *to)
 	CycleNode *fromnode = getNode(from);
 	CycleNode *tonode = getNode(to);
 
+	addEdge(fromnode, tonode);
+}
+
+/**
+ * Adds an edge between two CycleNodes.
+ * @param fromnode The edge comes from this CycleNode
+ * @param tonode The edge points to this CycleNode
+ */
+void CycleGraph::addEdge(CycleNode *fromnode, CycleNode *tonode)
+{
 	if (!hasCycles)
 		hasCycles = checkReachable(tonode, fromnode);
 
@@ -117,11 +127,7 @@ void CycleGraph::addRMWEdge(const ModelAction *from, const ModelAction *rmw)
 		}
 	}
 
-	if (!hasCycles)
-		hasCycles = checkReachable(rmwnode, fromnode);
-
-	if (fromnode->addEdge(rmwnode))
-		rollbackvector.push_back(fromnode);
+	addEdge(fromnode, rmwnode);
 }
 
 #if SUPPORT_MOD_ORDER_DUMP