1/*
2 * Copyright (c) 2015, 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 */
23
24package compiler.jvmci.compilerToVM;
25
26import jdk.test.lib.Utils;
27import sun.hotspot.WhiteBox;
28
29import java.util.Random;
30
31class DummyClass extends DummyAbstractClass {
32    private static final WhiteBox WB = WhiteBox.getWhiteBox();
33    int p1 = 5;
34    int p2 = 6;
35
36    public int dummyInstanceFunction() {
37        String str1 = "123123123";
38        double x = 3.14;
39        int y = Integer.parseInt(str1);
40
41        return y / (int) x;
42    }
43
44    public int dummyEmptyInstanceFunction() {
45        return 42;
46    }
47
48    public static int dummyEmptyStaticFunction() {
49        return -42;
50    }
51
52    @Override
53    public int dummyAbstractFunction() {
54        int z = p1 * p2;
55        return (int) (Math.cos(p2 - p1 + z) * 100);
56    }
57
58    @Override
59    public void dummyFunction() {
60        dummyEmptyInstanceFunction();
61    }
62
63    public void withLoop() {
64        long tier4 = (Long) WB.getVMFlag("Tier4BackEdgeThreshold");
65        for (long i = 0; i < tier4; ++i) {
66            randomProfile();
67        }
68    }
69
70    private double randomProfile() {
71        String str1 = "123123123";
72        double x = 3.14;
73        int y = Integer.parseInt(str1);
74
75        Random rnd = Utils.getRandomInstance();
76        if (rnd.nextDouble() > 0.2) {
77            return y / (int) x;
78        } else {
79            return x / y;
80        }
81    }
82
83}
84