001/* 002 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. 008 * 009 * This code is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 011 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 012 * version 2 for more details (a copy is included in the LICENSE file that 013 * accompanied this code). 014 * 015 * You should have received a copy of the GNU General Public License version 016 * 2 along with this work; if not, write to the Free Software Foundation, 017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 018 * 019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 020 * or visit www.oracle.com if you need additional information or have any 021 * questions. 022 */ 023package com.oracle.graal.jtt.optimize; 024 025import org.junit.*; 026 027import com.oracle.graal.jtt.*; 028 029/* 030 */ 031public class SchedulingBug_01 extends JTTTest { 032 033 private static class VolatileBoxHolder { 034 volatile Integer box; 035 } 036 037 public static int test(VolatileBoxHolder a, VolatileBoxHolder b) { 038 int value = a.box; 039 int result = 0; 040 if (b.box != null) { 041 result += value; 042 } 043 return result + value; 044 } 045 046 @Test 047 public void run0() throws Throwable { 048 runTest("test", new VolatileBoxHolder(), new VolatileBoxHolder()); 049 } 050 051}