Mercurial > hg > graal-compiler
comparison test/compiler/7042153/Test7042153.java @ 3362:d4c1fbc3de95
7042153: guarantee(x_compare_res != Constant::not_comparable) failed: incomparable constants in IfOp
Summary: Handle IfOps folding properly in case of unloaded constant oop arguments
Reviewed-by: kvn, never
author | iveresov |
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date | Fri, 06 May 2011 12:12:29 -0700 |
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3348:f879eafd5835 | 3362:d4c1fbc3de95 |
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1 /* | |
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 /** | |
26 * @test | |
27 * @bug 7042153 | |
28 * @summary Bad folding of IfOps with unloaded constant arguments in C1 | |
29 * | |
30 * @run main/othervm -Xcomp Test7042153 | |
31 */ | |
32 | |
33 import java.lang.reflect.*; | |
34 | |
35 public class Test7042153 { | |
36 static public class Bar { } | |
37 static public class Foo { } | |
38 | |
39 static volatile boolean z; | |
40 public static void main(String [] args) { | |
41 Class cx = Bar.class; | |
42 Class cy = Foo.class; | |
43 z = (cx == cy); | |
44 } | |
45 } |