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 jdk.internal.jvmci.meta.*;
026
027import org.junit.*;
028
029import com.oracle.graal.jtt.*;
030
031public class ConditionalElimination01 extends JTTTest {
032
033    private static int x;
034    private static Object o = new Object();
035
036    private static class A {
037
038        public A(int y) {
039            this.y = y;
040        }
041
042        int y;
043    }
044
045    @Override
046    protected void before(ResolvedJavaMethod method) {
047        super.before(method);
048        x = 0;
049    }
050
051    public int test(A a) {
052        if (o == null) {
053            return -1;
054        }
055        if (a == null) {
056            return -2;
057        }
058        if (o == null) {
059            return -3;
060        }
061        x = 3;
062        return a.y + x;
063    }
064
065    @Test
066    public void run0() throws Throwable {
067        runTest("test", new A(5));
068    }
069
070    @Test
071    public void run1() throws Throwable {
072        runTest("test", new Object[]{null});
073    }
074
075}