1/*
2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.jtt.optimize;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.jtt.JTTTest;
28
29/*
30 * Tests value numbering of instanceof operations.
31 */
32public class VN_InstanceOf03 extends JTTTest {
33
34    private static boolean cond = true;
35
36    static final Object object = new DummyTestClass();
37
38    public static boolean test() {
39        return foo();
40    }
41
42    private static boolean foo() {
43        Object obj = new DummyTestClass();
44        boolean a = obj instanceof DummyTestClass;
45        if (cond) {
46            boolean b = obj instanceof DummyTestClass;
47            return a | b;
48        }
49        return false;
50    }
51
52    @Test
53    public void run0() throws Throwable {
54        runTest("test");
55    }
56
57}
58