Mercurial > hg > graal-jvmci-8
diff test/compiler/6891750/Test6891750.java @ 1037:0a46d0c5dccb
6891750: deopt blob kills values in O5
Reviewed-by: kvn, twisti
author | never |
---|---|
date | Thu, 15 Oct 2009 11:47:13 -0700 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6891750/Test6891750.java Thu Oct 15 11:47:13 2009 -0700 @@ -0,0 +1,108 @@ +/* + * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +/** + * @test + * @bug 6891750 + * @summary deopt blob kills values in O5 + * + * @run main Test6891750 + */ + +abstract class Base6891750 extends Thread { + abstract public long m(); +} +class Other6891750 extends Base6891750 { + public long m() { + return 0; + } +} + +public class Test6891750 extends Base6891750 { + Base6891750 d; + volatile long value = 9; + + static int limit = 400000; + + Test6891750() { + d = this; + + } + public long m() { + return value; + } + + public long test(boolean doit) { + if (doit) { + long total0 = 0; + long total1 = 0; + long total2 = 0; + long total3 = 0; + long total4 = 0; + long total5 = 0; + long total6 = 0; + long total7 = 0; + long total8 = 0; + long total9 = 0; + for (int i = 0; i < limit; i++) { + total0 += d.m(); + total1 += d.m(); + total2 += d.m(); + total3 += d.m(); + total4 += d.m(); + total5 += d.m(); + total6 += d.m(); + total7 += d.m(); + total8 += d.m(); + total9 += d.m(); + } + return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9; + } + return 0; + } + + public void run() { + long result = test(true); + for (int i = 0; i < 300; i++) { + long result2 = test(true); + if (result != result2) { + throw new InternalError(result + " != " + result2); + } + } + } + + public static void main(String[] args) throws Exception { + Test6891750 Test6891750 = new Test6891750(); + // warm it up + for (int i = 0; i < 200000; i++) { + Test6891750.test(false); + } + // set in off running + Test6891750.start(); + Thread.sleep(2000); + + // Load a class to invalidate CHA + new Other6891750(); + } +}