001/*
002 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.jtt.hotspot;
024
025import org.junit.*;
026
027import com.oracle.graal.jtt.*;
028
029/**
030 * @test
031 * @bug 6753639
032 * @summary Strange optimisation in for loop with cyclic integer condition
033 *
034 * @run main/othervm -Xbatch Test6753639
035 */
036// @formatter:off
037public class Test6753639 extends JTTTest {
038
039    public static int test() {
040        int end = Integer.MAX_VALUE;
041        int count = 0;
042        for (int i = Integer.MAX_VALUE - 5; i <= end; i++) {
043            count++;
044            if (count > 100000) {
045                return 95;
046            }
047        }
048        return 97;
049    }
050
051    @Test
052    public void run0() throws Throwable {
053        runTest("test");
054    }
055
056}