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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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56 void PerformScalarReplacement(); | 56 void PerformScalarReplacement(); |
57 void AnalyzeDataFlow(HInstruction* instr); | 57 void AnalyzeDataFlow(HInstruction* instr); |
58 | 58 |
59 HCapturedObject* NewState(HInstruction* prev); | 59 HCapturedObject* NewState(HInstruction* prev); |
60 HCapturedObject* NewStateForAllocation(HInstruction* prev); | 60 HCapturedObject* NewStateForAllocation(HInstruction* prev); |
61 HCapturedObject* NewStateForLoopHeader(HInstruction* prev, HCapturedObject*); | 61 HCapturedObject* NewStateForLoopHeader(HInstruction* prev, HCapturedObject*); |
62 HCapturedObject* NewStateCopy(HInstruction* prev, HCapturedObject* state); | 62 HCapturedObject* NewStateCopy(HInstruction* prev, HCapturedObject* state); |
63 | 63 |
64 HPhi* NewPhiAndInsert(HBasicBlock* block, HValue* incoming_value, int index); | 64 HPhi* NewPhiAndInsert(HBasicBlock* block, HValue* incoming_value, int index); |
65 | 65 |
| 66 HValue* NewMapCheckAndInsert(HCapturedObject* state, HCheckMaps* mapcheck); |
| 67 |
66 HCapturedObject* StateAt(HBasicBlock* block) { | 68 HCapturedObject* StateAt(HBasicBlock* block) { |
67 return block_states_.at(block->block_id()); | 69 return block_states_.at(block->block_id()); |
68 } | 70 } |
69 | 71 |
70 void SetStateAt(HBasicBlock* block, HCapturedObject* state) { | 72 void SetStateAt(HBasicBlock* block, HCapturedObject* state) { |
71 block_states_.Set(block->block_id(), state); | 73 block_states_.Set(block->block_id(), state); |
72 } | 74 } |
73 | 75 |
74 // List of allocations captured during collection phase. | 76 // List of allocations captured during collection phase. |
75 ZoneList<HInstruction*> captured_; | 77 ZoneList<HInstruction*> captured_; |
76 | 78 |
77 // Number of captured objects on which scalar replacement was done. | 79 // Number of captured objects on which scalar replacement was done. |
78 int number_of_objects_; | 80 int number_of_objects_; |
79 | 81 |
80 // Number of scalar values tracked during scalar replacement phase. | 82 // Number of scalar values tracked during scalar replacement phase. |
81 int number_of_values_; | 83 int number_of_values_; |
82 int cumulative_values_; | 84 int cumulative_values_; |
83 | 85 |
84 // Map of block IDs to the data-flow state at block entry during the | 86 // Map of block IDs to the data-flow state at block entry during the |
85 // scalar replacement phase. | 87 // scalar replacement phase. |
86 ZoneList<HCapturedObject*> block_states_; | 88 ZoneList<HCapturedObject*> block_states_; |
87 }; | 89 }; |
88 | 90 |
89 | 91 |
90 } } // namespace v8::internal | 92 } } // namespace v8::internal |
91 | 93 |
92 #endif // V8_HYDROGEN_ESCAPE_ANALYSIS_H_ | 94 #endif // V8_HYDROGEN_ESCAPE_ANALYSIS_H_ |
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