--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/visualizer/Graal/src/com/sun/hotspot/igv/graal/filters/GraalCFGFilter.java	Tue Feb 07 22:41:09 2012 +0100
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+package com.sun.hotspot.igv.graal.filters;
+
+import com.sun.hotspot.igv.data.Properties;
+import com.sun.hotspot.igv.filter.AbstractFilter;
+import com.sun.hotspot.igv.graph.Connection;
+import com.sun.hotspot.igv.graph.Diagram;
+import com.sun.hotspot.igv.graph.Figure;
+import com.sun.hotspot.igv.graph.InputSlot;
+import java.util.HashSet;
+import java.util.Set;
+
+public class GraalCFGFilter extends AbstractFilter {
+    
+    @Override
+    public String getName() {
+        return "Graal CFG Filter";
+    }
+
+    @Override
+    public void apply(Diagram d) {
+        Set<Figure> figuresToRemove = new HashSet<>();
+        Set<Connection> connectionsToRemove = new HashSet<>();
+        for (Figure f : d.getFigures()) {
+            final String prop = f.getProperties().get("probability");
+            
+            if (prop == null) {
+                figuresToRemove.add(f);
+            }
+        }
+        d.removeAllFigures(figuresToRemove);
+        
+        for (Figure f : d.getFigures()) {
+            Properties p = f.getProperties();
+            int predCount = Integer.parseInt(p.get("predecessorCount"));
+            for (InputSlot is : f.getInputSlots()) {
+                if (is.getPosition() >= predCount && !"EndNode".equals(is.getProperties().get("class"))) {
+                    for (Connection c : is.getConnections()) {
+                        if (!"EndNode".equals(c.getOutputSlot().getFigure().getProperties().get("class"))) {
+                            connectionsToRemove.add(c);
+                        }
+                    }
+                }
+            }
+        }
+        
+        for (Connection c : connectionsToRemove) {
+            c.remove();
+            System.out.println("rm " + c);
+        }
+    }
+}