Thu, 15 May 2008 22:40:43 -0700
6700102: c2 assertion "counter_changed,"failed dependencies, but counter didn't change")" with AggressiveOpts
Summary: Bytecode Escape Analyzer does not have the check for the case described in 6389127.
Reviewed-by: never
1 /*
2 * Copyright 1999-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
25 // ciArrayKlass
26 //
27 // This class, and its subclasses represent klassOops in the
28 // HotSpot virtual machine whose Klass part is an arrayKlass.
29 class ciArrayKlass : public ciKlass {
30 private:
31 jint _dimension;
33 protected:
34 ciArrayKlass(KlassHandle h_k);
35 ciArrayKlass(ciSymbol* name, int dimension, ciKlass* klass);
37 arrayKlass* get_arrayKlass() {
38 return (arrayKlass*)get_Klass();
39 }
41 const char* type_string() { return "ciArrayKlass"; }
43 public:
44 jint dimension() { return _dimension; }
45 ciType* element_type(); // JLS calls this the "component type"
46 ciType* base_element_type(); // JLS calls this the "element type"
47 bool is_leaf_type(); // No subtypes of this array type.
49 ciInstance* component_mirror() {
50 // This is a real field in arrayKlass, but we derive it from element_type.
51 return element_type()->java_mirror();
52 }
54 // What kind of vmObject is this?
55 bool is_array_klass() { return true; }
56 bool is_java_klass() { return true; }
58 static ciArrayKlass* make(ciType* element_type);
59 };