Mercurial > hg > truffle
view test/compiler/6724218/Test.java @ 19543:353669a84287
Utilities Node#acceptInputs and Node#acceptSuccessors.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 22 Feb 2015 23:44:37 +0100 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 6724218 * @summary Fix raise_LCA_above_marks() early termination * @run main/othervm -Xbatch -XX:CompileCommand=exclude,Test.update Test */ public class Test { Test next = null; Object value = null; static boolean _closed = false; static int size = 0; static Test list = null; static int cache_size = 0; static Test cache = null; Object get(int i) { Test t = list; list = t.next; size -= 1; Object o = t.value; if (i > 0) { t.next = cache; t.value = null; cache = t; cache_size = +1; } return o; } void update() { // Exclude compilation of this one. if (size == 0) { Test t; if (cache_size > 0) { t = cache; cache = t.next; cache_size = -1; } else { t = new Test(); } t.value = new Object(); t.next = list; list = t; size += 1; } } synchronized Object test(int i) { while (true) { if (_closed) { return null; } else if (size > 0) { return get(i); } update(); } } public static void main(String argv[]) throws Exception { Test t = new Test(); int lim = 500000; Object o; for (int j = 0; j < lim; j++) { o = t.test(j&1); if (o == null) { throw new Exception("*** Failed on iteration " + j); } if ((j&1) == 0) { t.update(); } } } }