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 */
031public class Phi02 extends JTTTest {
032
033    public static class Phi {
034
035        int f;
036
037        Phi(int f) {
038            this.f = f;
039        }
040    }
041
042    public static int test(int arg) {
043        return test2(new Phi(arg), arg);
044    }
045
046    private static int test2(Phi p, int a) {
047        int arg = a;
048        if (arg > 2) {
049            inc(p, 1);
050            arg += 1;
051        } else {
052            inc(p, 2);
053            arg += 2;
054            if (arg > 3) {
055                inc(p, 1);
056                arg += 1;
057                if (arg > 4) {
058                    inc(p, 1);
059                    arg += 1;
060                } else {
061                    inc(p, 2);
062                    arg += 2;
063                }
064            } else {
065                inc(p, 2);
066                arg += 2;
067            }
068        }
069        return arg + p.f;
070    }
071
072    private static void inc(Phi p, int inc) {
073        p.f += inc;
074    }
075
076    @Test
077    public void run0() throws Throwable {
078        runTest("test", 0);
079    }
080
081    @Test
082    public void run1() throws Throwable {
083        runTest("test", 1);
084    }
085
086    @Test
087    public void run2() throws Throwable {
088        runTest("test", 2);
089    }
090
091    @Test
092    public void run3() throws Throwable {
093        runTest("test", 3);
094    }
095
096    @Test
097    public void run4() throws Throwable {
098        runTest("test", 4);
099    }
100
101    @Test
102    public void run5() throws Throwable {
103        runTest("test", 6);
104    }
105
106}