1/*
2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.jtt.optimize;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.jtt.JTTTest;
28
29/*
30 * Tests constant folding of float operations.
31 */
32public class Fold_Double01 extends JTTTest {
33
34    public static double test(double arg) {
35        if (arg == 0) {
36            return add();
37        }
38        if (arg == 1) {
39            return sub();
40        }
41        if (arg == 2) {
42            return mul();
43        }
44        if (arg == 3) {
45            return div();
46        }
47        if (arg == 4) {
48            return mod();
49        }
50        return 0;
51    }
52
53    public static double add() {
54        double x = 3;
55        return x + 7;
56    }
57
58    public static double sub() {
59        double x = 15;
60        return x - 4;
61    }
62
63    public static double mul() {
64        double x = 6;
65        return x * 2;
66    }
67
68    public static double div() {
69        double x = 26;
70        return x / 2;
71    }
72
73    public static double mod() {
74        double x = 29;
75        return x % 15;
76    }
77
78    @Test
79    public void run0() throws Throwable {
80        runTest("test", 0d);
81    }
82
83    @Test
84    public void run1() throws Throwable {
85        runTest("test", 1d);
86    }
87
88    @Test
89    public void run2() throws Throwable {
90        runTest("test", 2d);
91    }
92
93    @Test
94    public void run3() throws Throwable {
95        runTest("test", 3d);
96    }
97
98    @Test
99    public void run4() throws Throwable {
100        runTest("test", 4d);
101    }
102
103}
104