--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/LogicalAndNode.java	Fri Jan 18 13:29:14 2013 +0100
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2012, 2012, 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.oracle.truffle.sl.nodes;
+
+import com.oracle.truffle.api.codegen.*;
+
+@SuppressWarnings("unused")
+public abstract class LogicalAndNode extends BinaryNode {
+
+    public LogicalAndNode(TypedNode leftNode, TypedNode rightNode) {
+        super(leftNode, rightNode);
+    }
+
+    public LogicalAndNode(LogicalAndNode node) {
+        this(node.leftNode, node.rightNode);
+    }
+
+    @ShortCircuit("rightNode")
+    public boolean needsRightNode(boolean left) {
+        return left;
+    }
+
+    @ShortCircuit("rightNode")
+    public boolean needsRightNode(Object left) {
+        return left instanceof Boolean && (Boolean) left;
+    }
+
+    @Specialization
+    public boolean doBoolean(boolean left, boolean hasRight, boolean right) {
+        return hasRight && right;
+    }
+
+    @Generic
+    public Object doGeneric(Object left, boolean hasRight, Object right) {
+        throw new RuntimeException("operation not defined for type " + left.getClass().getSimpleName());
+    }
+}