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 optimization of float operations.
31 */
32public class Reduce_Float01 extends JTTTest {
33
34    public static float test(float arg) {
35        if (arg == 0) {
36            return add(10);
37        }
38        if (arg == 1) {
39            return sub(11);
40        }
41        if (arg == 2) {
42            return mul(12);
43        }
44        if (arg == 3) {
45            return div(13);
46        }
47        return 0;
48    }
49
50    public static float add(float x) {
51        return x + 0;
52    }
53
54    public static float sub(float x) {
55        return x - 0;
56    }
57
58    public static float mul(float x) {
59        return x * 1;
60    }
61
62    public static float div(float x) {
63        return x / 1;
64    }
65
66    @Test
67    public void run0() throws Throwable {
68        runTest("test", 0f);
69    }
70
71    @Test
72    public void run1() throws Throwable {
73        runTest("test", 1f);
74    }
75
76    @Test
77    public void run2() throws Throwable {
78        runTest("test", 2f);
79    }
80
81    @Test
82    public void run3() throws Throwable {
83        runTest("test", 3f);
84    }
85
86}
87