Fri, 02 Sep 2011 20:58:21 -0700
7071307: MethodHandle bimorphic inlining should consider the frequency
Reviewed-by: twisti, roland, kvn, iveresov
1 /*
2 * Copyright (c) 2009, 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
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
25 #ifndef SHARE_VM_CI_CIMETHODHANDLE_HPP
26 #define SHARE_VM_CI_CIMETHODHANDLE_HPP
28 #include "ci/ciCallProfile.hpp"
29 #include "ci/ciInstance.hpp"
30 #include "prims/methodHandles.hpp"
32 // ciMethodHandle
33 //
34 // The class represents a java.lang.invoke.MethodHandle object.
35 class ciMethodHandle : public ciInstance {
36 private:
37 ciMethod* _callee;
38 ciMethod* _caller;
39 ciCallProfile _profile;
40 ciMethod* _method_handle_adapter;
41 ciMethod* _invokedynamic_adapter;
43 // Return an adapter for this MethodHandle.
44 ciMethod* get_adapter_impl(bool is_invokedynamic);
45 ciMethod* get_adapter( bool is_invokedynamic);
47 protected:
48 void print_chain_impl(outputStream* st) PRODUCT_RETURN;
50 public:
51 ciMethodHandle(instanceHandle h_i) :
52 ciInstance(h_i),
53 _callee(NULL),
54 _caller(NULL),
55 _method_handle_adapter(NULL),
56 _invokedynamic_adapter(NULL)
57 {}
59 // What kind of ciObject is this?
60 bool is_method_handle() const { return true; }
62 void set_callee(ciMethod* m) { _callee = m; }
63 void set_caller(ciMethod* m) { _caller = m; }
64 void set_call_profile(ciCallProfile profile) { _profile = profile; }
66 // Return an adapter for a MethodHandle call.
67 ciMethod* get_method_handle_adapter() {
68 if (_method_handle_adapter == NULL) {
69 _method_handle_adapter = get_adapter(false);
70 }
71 return _method_handle_adapter;
72 }
74 // Return an adapter for an invokedynamic call.
75 ciMethod* get_invokedynamic_adapter() {
76 if (_invokedynamic_adapter == NULL) {
77 _invokedynamic_adapter = get_adapter(true);
78 }
79 return _invokedynamic_adapter;
80 }
82 void print_chain(outputStream* st = tty) PRODUCT_RETURN;
83 };
85 #endif // SHARE_VM_CI_CIMETHODHANDLE_HPP