| /* |
| * Copyright (c) 2009, 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 6885584 |
| * @summary A particular class structure causes large allocation spike for jit |
| * |
| * @run main/othervm -Xbatch compiler.c2.Test6885584 |
| */ |
| |
| package compiler.c2; |
| |
| public class Test6885584 { |
| static private int i1; |
| static private int i2; |
| static private int i3; |
| |
| static int limit = Integer.MAX_VALUE - 8; |
| |
| public static void main(String args[]) { |
| // Run long enough to trigger an OSR |
| for(int j = 200000; j != 0; j--) { |
| } |
| |
| // This must reference a field |
| i1 = i2; |
| |
| // The resource leak is roughly proportional to this initial value |
| for(int k = Integer.MAX_VALUE - 1; k != 0; k--) { |
| // Make sure the body does some work |
| if(i2 > i3)i1 = k; |
| if (k <= limit) break; |
| } |
| } |
| |
| } |