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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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117 void SetJoinId(int id); | 117 void SetJoinId(int id); |
118 | 118 |
119 void Finish(HControlInstruction* last); | 119 void Finish(HControlInstruction* last); |
120 void FinishExit(HControlInstruction* instruction); | 120 void FinishExit(HControlInstruction* instruction); |
121 void Goto(HBasicBlock* block, bool include_stack_check = false); | 121 void Goto(HBasicBlock* block, bool include_stack_check = false); |
122 | 122 |
123 int PredecessorIndexOf(HBasicBlock* predecessor) const; | 123 int PredecessorIndexOf(HBasicBlock* predecessor) const; |
124 void AddSimulate(int id) { AddInstruction(CreateSimulate(id)); } | 124 void AddSimulate(int id) { AddInstruction(CreateSimulate(id)); } |
125 void AssignCommonDominator(HBasicBlock* other); | 125 void AssignCommonDominator(HBasicBlock* other); |
126 | 126 |
127 void FinishWithDeoptimization() { | |
128 Finish(CreateDeoptimize()); | |
Kevin Millikin (Chromium)
2011/03/17 05:31:02
I'd rather not have these helpers. It doesn't sav
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129 } | |
130 | |
131 void FinishExitWithDeoptimization() { | |
Kevin Millikin (Chromium)
2011/03/17 05:31:02
There's no reason to have both "Finish" and "Finis
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132 FinishExit(CreateDeoptimize()); | |
133 } | |
134 | |
127 // Add the inlined function exit sequence, adding an HLeaveInlined | 135 // Add the inlined function exit sequence, adding an HLeaveInlined |
128 // instruction and updating the bailout environment. | 136 // instruction and updating the bailout environment. |
129 void AddLeaveInlined(HValue* return_value, HBasicBlock* target); | 137 void AddLeaveInlined(HValue* return_value, HBasicBlock* target); |
130 | 138 |
131 // If a target block is tagged as an inline function return, all | 139 // If a target block is tagged as an inline function return, all |
132 // predecessors should contain the inlined exit sequence: | 140 // predecessors should contain the inlined exit sequence: |
133 // | 141 // |
134 // LeaveInlined | 142 // LeaveInlined |
135 // Simulate (caller's environment) | 143 // Simulate (caller's environment) |
136 // Goto (target block) | 144 // Goto (target block) |
137 bool IsInlineReturnTarget() const { return is_inline_return_target_; } | 145 bool IsInlineReturnTarget() const { return is_inline_return_target_; } |
138 void MarkAsInlineReturnTarget() { is_inline_return_target_ = true; } | 146 void MarkAsInlineReturnTarget() { is_inline_return_target_ = true; } |
139 | 147 |
140 #ifdef DEBUG | 148 #ifdef DEBUG |
141 void Verify(); | 149 void Verify(); |
142 #endif | 150 #endif |
143 | 151 |
144 private: | 152 private: |
145 void RegisterPredecessor(HBasicBlock* pred); | 153 void RegisterPredecessor(HBasicBlock* pred); |
146 void AddDominatedBlock(HBasicBlock* block); | 154 void AddDominatedBlock(HBasicBlock* block); |
147 | 155 |
148 HSimulate* CreateSimulate(int id); | 156 HSimulate* CreateSimulate(int id); |
157 HDeoptimize* CreateDeoptimize(); | |
149 | 158 |
150 int block_id_; | 159 int block_id_; |
151 HGraph* graph_; | 160 HGraph* graph_; |
152 ZoneList<HPhi*> phis_; | 161 ZoneList<HPhi*> phis_; |
153 HInstruction* first_; | 162 HInstruction* first_; |
154 HInstruction* last_; | 163 HInstruction* last_; |
155 HControlInstruction* end_; | 164 HControlInstruction* end_; |
156 HLoopInformation* loop_information_; | 165 HLoopInformation* loop_information_; |
157 ZoneList<HBasicBlock*> predecessors_; | 166 ZoneList<HBasicBlock*> predecessors_; |
158 HBasicBlock* dominator_; | 167 HBasicBlock* dominator_; |
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1094 const char* filename_; | 1103 const char* filename_; |
1095 HeapStringAllocator string_allocator_; | 1104 HeapStringAllocator string_allocator_; |
1096 StringStream trace_; | 1105 StringStream trace_; |
1097 int indent_; | 1106 int indent_; |
1098 }; | 1107 }; |
1099 | 1108 |
1100 | 1109 |
1101 } } // namespace v8::internal | 1110 } } // namespace v8::internal |
1102 | 1111 |
1103 #endif // V8_HYDROGEN_H_ | 1112 #endif // V8_HYDROGEN_H_ |
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