1 /* 2 * Copyright (c) 2012, 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 */ 23 package org.graalvm.compiler.jtt.micro; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 public class FloatingReads extends JTTTest { 30 31 public static long init = Runtime.getRuntime().totalMemory(); 32 private final int f = 10; 33 private int a; 34 private int b; 35 private int c; 36 37 public int test(int d) { 38 a = 3; 39 b = 5; 40 c = 7; 41 for (int i = 0; i < d; i++) { 42 if (i % 2 == 0) { 43 a += b; 44 } 45 if (i % 4 == 0) { 46 b += c; 47 } else if (i % 3 == 0) { 48 b -= a; 49 } 50 if (i % 5 == 0) { 51 for (int j = 0; j < i; j++) { 52 c += a; 53 } 54 a -= f; 55 } 56 b = a ^ c; 57 if (i % 6 == 0) { 58 c--; 59 } else if (i % 7 == 0) { 60 Runtime.getRuntime().totalMemory(); 61 } 62 } 63 return a + b + c; 64 } 65 66 @Test 67 public void run0() { 68 runTest("test", 10); 69 } 70 71 @Test 72 public void run1() { 73 runTest("test", 1000); 74 } 75 76 @Test 77 public void run2() { 78 runTest("test", 1); 79 } 80 81 @Test 82 public void run3() { 83 runTest("test", 0); 84 } 85 }