1 /* 2 * Copyright (c) 2011, 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.hotspot; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 /** 30 * @test 31 * @bug 6753639 32 * @summary Strange optimisation in for loop with cyclic integer condition 33 * 34 * @run main/othervm -Xbatch Test6753639 35 */ 36 // @formatter:off 37 public class Test6753639 extends JTTTest { 38 39 public static int test() { 40 int end = Integer.MAX_VALUE; 41 int count = 0; 42 for (int i = Integer.MAX_VALUE - 5; i <= end; i++) { 43 count++; 44 if (count > 100000) { 45 return 95; 46 } 47 } 48 return 97; 49 } 50 51 @Test 52 public void run0() throws Throwable { 53 runTest("test"); 54 } 55 56 }