Test6885584.java revision 1472
0N/A/*
1204N/A * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0N/A * or visit www.oracle.com if you need additional information or have any
0N/A * questions.
0N/A *
0N/A */
0N/A
0N/A/**
0N/A * @test
0N/A * @bug 6885584
0N/A * @summary A particular class structure causes large allocation spike for jit
0N/A *
0N/A * @run main/othervm -Xbatch Test6885584
0N/A */
0N/A
0N/A
0N/A
0N/Apublic class Test6885584 {
0N/A static private int i1;
0N/A static private int i2;
0N/A static private int i3;
0N/A
0N/A static int limit = Integer.MAX_VALUE - 8;
0N/A
0N/A public static void main(String args[]) {
0N/A // Run long enough to trigger an OSR
0N/A for(int j = 200000; j != 0; j--) {
0N/A }
0N/A
0N/A // This must reference a field
0N/A i1 = i2;
0N/A
0N/A // The resource leak is roughly proportional to this initial value
0N/A for(int k = Integer.MAX_VALUE - 1; k != 0; k--) {
0N/A // Make sure the body does some work
0N/A if(i2 > i3)i1 = k;
0N/A if (k <= limit) break;
0N/A }
0N/A }
0N/A
0N/A}
1155N/A