001/*
002 * Copyright (c) 2009, 2012, 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 * Test case for null check elimination.
031 */
032public class NCE_03 extends JTTTest {
033
034    public static class TestClass {
035        int field1;
036        int field2 = 23;
037    }
038
039    private static boolean cond = true;
040    public static TestClass object = new TestClass();
041
042    public static int test() {
043        TestClass o = object;
044        o.field1 = 11;
045        if (cond) {
046            // expect non-null
047            o.field1 = 22;
048        }
049        // expect non-null
050        return o.field2;
051    }
052
053    @Test
054    public void run0() throws Throwable {
055        runTest("test");
056    }
057
058}