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diff src/share/tools/IdealGraphVisualizer/Layout/src/com/sun/hotspot/igv/layout/LayoutGraph.java @ 21146:33ff6b03fad1

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add support for control flow window and basic block view on graphs Contributed-by: Michael Haupt <michael.haupt@oracle.com> Contributed-by: Peter Hofer <peter.hofer@jku.at> Contributed-by: Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
author Michael Haupt <michael.haupt@oracle.com>
date Wed, 29 Apr 2015 08:31:28 +0200
parents 2b2ac41e70dd
children
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--- a/src/share/tools/IdealGraphVisualizer/Layout/src/com/sun/hotspot/igv/layout/LayoutGraph.java	Tue Apr 28 12:58:40 2015 -0700
+++ b/src/share/tools/IdealGraphVisualizer/Layout/src/com/sun/hotspot/igv/layout/LayoutGraph.java	Wed Apr 29 08:31:28 2015 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -183,4 +183,16 @@
     public Set<Vertex> findRootVertices() {
         return findRootVertices(new HashSet<Vertex>());
     }
+    
+    public SortedSet<Cluster> getClusters() {
+
+        SortedSet<Cluster> clusters = new TreeSet<Cluster>();
+        for (Vertex v : getVertices()) {
+            if (v.getCluster() != null) {
+                clusters.add(v.getCluster());
+            }
+        }
+
+        return clusters;
+    }
 }