001/*
002 * Copyright (c) 2011, 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 java.util.*;
026
027import jdk.internal.jvmci.meta.*;
028
029import org.junit.*;
030
031import com.oracle.graal.jtt.*;
032
033public class ConditionalElimination02 extends JTTTest {
034
035    private static Object o = null;
036
037    private static class A {
038
039        public A(int y) {
040            this.y = y;
041        }
042
043        int y;
044    }
045
046    public int test(A a, boolean isNull, boolean isVeryNull) {
047        if (o == null) {
048            if (!isNull) {
049                if (o == null) {
050                    return a.y;
051                }
052            }
053            if (!isVeryNull) {
054                if (o == null) {
055                    return a.y;
056                }
057            }
058        }
059        return -1;
060    }
061
062    @Test
063    public void run0() throws Throwable {
064        runTest(EnumSet.of(DeoptimizationReason.NullCheckException), "test", new A(5), false, false);
065    }
066
067    @Test
068    public void run1() throws Throwable {
069        runTest(EnumSet.of(DeoptimizationReason.NullCheckException), "test", new Object[]{null, true, true});
070    }
071
072}