Mercurial > hg > graal-compiler
view test/compiler/6891750/Test6891750.java @ 1335:ae4032fb0a5b
6894807: No ClassCastException for HashAttributeSet constructors if run with -Xcomp
Summary: Return interface klass type if it is exact.
Reviewed-by: never
author | kvn |
---|---|
date | Thu, 21 Jan 2010 10:07:59 -0800 |
parents | 0a46d0c5dccb |
children | c18cbe5936b8 |
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/* * 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(); } }