test/compiler/6877254/Test.java

changeset 1420
685e959d09ea
child 1613
648fe315b257
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/6877254/Test.java	Mon Sep 14 09:49:54 2009 -0700
     1.3 @@ -0,0 +1,51 @@
     1.4 +/*
     1.5 + * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * @test
    1.29 + * @bug 6877254
    1.30 + * @summary Implement StoreCMNode::Ideal to promote its OopStore above the MergeMem
    1.31 + *
    1.32 + * @run main/othervm -server -Xcomp -XX:+UseConcMarkSweepGC Test
    1.33 + */
    1.34 +
    1.35 +public class Test {
    1.36 +    static byte var_1;
    1.37 +    static String var_2 = "";
    1.38 +    static byte var_3;
    1.39 +    static float var_4 = 0;
    1.40 +
    1.41 +    public static void main(String[] args) {
    1.42 +        int i = 0;
    1.43 +
    1.44 +        for (String var_tmp = var_2; i < 11; var_1 = 0, i++) {
    1.45 +            var_2 = var_2;
    1.46 +            var_4 *= (var_4 *= (var_3 = 0));
    1.47 +        }
    1.48 +
    1.49 +        System.out.println("var_1 = " + var_1);
    1.50 +        System.out.println("var_2 = " + var_2);
    1.51 +        System.out.println("var_3 = " + var_3);
    1.52 +        System.out.println("var_4 = " + var_4);
    1.53 +    }
    1.54 +}

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