Mercurial > hg > graal-compiler
diff test/compiler/6910618/Test.java @ 1253:f70b0d9ab095
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
Summary: Mark in PcDesc call sites which return oop and save the result oop across objects reallocation during deoptimization.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 09 Feb 2010 01:31:13 -0800 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6910618/Test.java Tue Feb 09 01:31:13 2010 -0800 @@ -0,0 +1,74 @@ +/* + * Copyright 2010 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 6910605 + * @summary C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used + * + * @run main/othervm -Xmx64m -XX:+IgnoreUnrecognizedVMOptions -XX:+DeoptimizeALot -XX:+DoEscapeAnalysis -Xbatch -XX:InlineSmallCode=2000 Test + * + */ + +/* + * Added InlineSmallCode=2000 to guaranty inlining of StringBuilder::append() to allow scalar replace StringBuilder object. + * + * original test: gc/gctests/StringGC + */ + +public class Test { + private final String toAdd = "0123456789abcdef"; + private int maxLength; + private static final int numberOfThreads = 8; + + private class StringAdder extends Thread { + private String s; + + public void test() { + s = s + toAdd; + } + public void run() { + do { + test(); + } while (s.length() < maxLength); + } + } + + public void test() throws InterruptedException { + maxLength = toAdd.length() * 15000/ numberOfThreads; + StringAdder[] sa = new StringAdder[numberOfThreads]; + for (int i = 0; i < numberOfThreads; i++) { + sa[i] = new StringAdder(); + sa[i].start(); + } + for (int i = 0; i < numberOfThreads; i++) { + sa[i].join(); + } + } + + public static void main(String[] args) throws InterruptedException { + Test t = new Test(); + t.test(); + } +}