Mercurial > hg > truffle
annotate src/share/vm/opto/macro.hpp @ 2645:b2c1e959be46
Clean up around BlockBegin / StdEntry.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 11 May 2011 14:34:29 +0200 |
parents | f95d63e2154a |
children | 293f68bda347 |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OPTO_MACRO_HPP |
26 #define SHARE_VM_OPTO_MACRO_HPP | |
27 | |
28 #include "opto/phase.hpp" | |
29 | |
0 | 30 class AllocateNode; |
31 class AllocateArrayNode; | |
32 class CallNode; | |
33 class Node; | |
34 class PhaseIterGVN; | |
35 | |
36 class PhaseMacroExpand : public Phase { | |
37 private: | |
38 PhaseIterGVN &_igvn; | |
39 | |
40 // Helper methods roughly modelled after GraphKit: | |
41 Node* top() const { return C->top(); } | |
42 Node* intcon(jint con) const { return _igvn.intcon(con); } | |
43 Node* longcon(jlong con) const { return _igvn.longcon(con); } | |
44 Node* makecon(const Type *t) const { return _igvn.makecon(t); } | |
45 Node* basic_plus_adr(Node* base, int offset) { | |
46 return (offset == 0)? base: basic_plus_adr(base, MakeConX(offset)); | |
47 } | |
48 Node* basic_plus_adr(Node* base, Node* ptr, int offset) { | |
49 return (offset == 0)? ptr: basic_plus_adr(base, ptr, MakeConX(offset)); | |
50 } | |
51 Node* basic_plus_adr(Node* base, Node* offset) { | |
52 return basic_plus_adr(base, base, offset); | |
53 } | |
54 Node* basic_plus_adr(Node* base, Node* ptr, Node* offset) { | |
55 Node* adr = new (C, 4) AddPNode(base, ptr, offset); | |
56 return transform_later(adr); | |
57 } | |
58 Node* transform_later(Node* n) { | |
59 // equivalent to _gvn.transform in GraphKit, Ideal, etc. | |
60 _igvn.register_new_node_with_optimizer(n); | |
61 return n; | |
62 } | |
63 void set_eden_pointers(Node* &eden_top_adr, Node* &eden_end_adr); | |
64 Node* make_load( Node* ctl, Node* mem, Node* base, int offset, | |
65 const Type* value_type, BasicType bt); | |
66 Node* make_store(Node* ctl, Node* mem, Node* base, int offset, | |
67 Node* value, BasicType bt); | |
68 | |
69 // projections extracted from a call node | |
70 ProjNode *_fallthroughproj; | |
71 ProjNode *_fallthroughcatchproj; | |
72 ProjNode *_ioproj_fallthrough; | |
73 ProjNode *_ioproj_catchall; | |
74 ProjNode *_catchallcatchproj; | |
75 ProjNode *_memproj_fallthrough; | |
76 ProjNode *_memproj_catchall; | |
77 ProjNode *_resproj; | |
78 | |
79 | |
80 void expand_allocate(AllocateNode *alloc); | |
81 void expand_allocate_array(AllocateArrayNode *alloc); | |
82 void expand_allocate_common(AllocateNode* alloc, | |
83 Node* length, | |
84 const TypeFunc* slow_call_type, | |
85 address slow_call_address); | |
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86 Node *value_from_mem(Node *mem, BasicType ft, const Type *ftype, const TypeOopPtr *adr_t, Node *alloc); |
247 | 87 Node *value_from_mem_phi(Node *mem, BasicType ft, const Type *ftype, const TypeOopPtr *adr_t, Node *alloc, Node_Stack *value_phis, int level); |
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88 |
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89 bool eliminate_allocate_node(AllocateNode *alloc); |
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90 bool can_eliminate_allocation(AllocateNode *alloc, GrowableArray <SafePointNode *>& safepoints); |
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91 bool scalar_replacement(AllocateNode *alloc, GrowableArray <SafePointNode *>& safepoints_done); |
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92 void process_users_of_allocation(AllocateNode *alloc); |
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93 |
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94 void eliminate_card_mark(Node *cm); |
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95 bool eliminate_locking_node(AbstractLockNode *alock); |
0 | 96 void expand_lock_node(LockNode *lock); |
97 void expand_unlock_node(UnlockNode *unlock); | |
98 | |
99 int replace_input(Node *use, Node *oldref, Node *newref); | |
100 void copy_call_debug_info(CallNode *oldcall, CallNode * newcall); | |
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101 Node* opt_bits_test(Node* ctrl, Node* region, int edge, Node* word, int mask, int bits, bool return_fast_path = false); |
0 | 102 void copy_predefined_input_for_runtime_call(Node * ctrl, CallNode* oldcall, CallNode* call); |
103 CallNode* make_slow_call(CallNode *oldcall, const TypeFunc* slow_call_type, address slow_call, | |
104 const char* leaf_name, Node* slow_path, Node* parm0, Node* parm1); | |
105 void extract_call_projections(CallNode *call); | |
106 | |
107 Node* initialize_object(AllocateNode* alloc, | |
108 Node* control, Node* rawmem, Node* object, | |
109 Node* klass_node, Node* length, | |
110 Node* size_in_bytes); | |
111 | |
112 Node* prefetch_allocation(Node* i_o, | |
113 Node*& needgc_false, Node*& contended_phi_rawmem, | |
114 Node* old_eden_top, Node* new_eden_top, | |
115 Node* length); | |
116 | |
117 public: | |
113
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118 PhaseMacroExpand(PhaseIterGVN &igvn) : Phase(Macro_Expand), _igvn(igvn) { |
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119 _igvn.set_delay_transform(true); |
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120 } |
0 | 121 bool expand_macro_nodes(); |
122 | |
123 }; | |
1972 | 124 |
125 #endif // SHARE_VM_OPTO_MACRO_HPP |