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 * Tests constant folding of float operations.
031 */
032public class Fold_Float01 extends JTTTest {
033
034    public static float test(float arg) {
035        if (arg == 0) {
036            return add();
037        }
038        if (arg == 1) {
039            return sub();
040        }
041        if (arg == 2) {
042            return mul();
043        }
044        if (arg == 3) {
045            return div();
046        }
047        if (arg == 4) {
048            return mod();
049        }
050        return 0;
051    }
052
053    public static float add() {
054        float x = 3;
055        return x + 7;
056    }
057
058    public static float sub() {
059        float x = 15;
060        return x - 4;
061    }
062
063    public static float mul() {
064        float x = 6;
065        return x * 2;
066    }
067
068    public static float div() {
069        float x = 26;
070        return x / 2;
071    }
072
073    public static float mod() {
074        float x = 29;
075        return x % 15;
076    }
077
078    @Test
079    public void run0() throws Throwable {
080        runTest("test", 0f);
081    }
082
083    @Test
084    public void run1() throws Throwable {
085        runTest("test", 1f);
086    }
087
088    @Test
089    public void run2() throws Throwable {
090        runTest("test", 2f);
091    }
092
093    @Test
094    public void run3() throws Throwable {
095        runTest("test", 3f);
096    }
097
098    @Test
099    public void run4() throws Throwable {
100        runTest("test", 4f);
101    }
102
103}