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