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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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314 | 314 |
315 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } | 315 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } |
316 LPointerMap* pointer_map() const { return pointer_map_.get(); } | 316 LPointerMap* pointer_map() const { return pointer_map_.get(); } |
317 bool HasPointerMap() const { return pointer_map_.is_set(); } | 317 bool HasPointerMap() const { return pointer_map_.is_set(); } |
318 | 318 |
319 virtual bool HasResult() const = 0; | 319 virtual bool HasResult() const = 0; |
320 | 320 |
321 void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } | 321 void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } |
322 HValue* hydrogen_value() const { return hydrogen_value_; } | 322 HValue* hydrogen_value() const { return hydrogen_value_; } |
323 | 323 |
324 void set_deoptimization_environment(LEnvironment* env) { | |
325 deoptimization_environment_.set(env); | |
326 } | |
327 LEnvironment* deoptimization_environment() const { | |
328 return deoptimization_environment_.get(); | |
329 } | |
330 bool HasDeoptimizationEnvironment() const { | |
331 return deoptimization_environment_.is_set(); | |
332 } | |
333 | |
334 private: | 324 private: |
335 SetOncePointer<LEnvironment> environment_; | 325 SetOncePointer<LEnvironment> environment_; |
336 SetOncePointer<LPointerMap> pointer_map_; | 326 SetOncePointer<LPointerMap> pointer_map_; |
337 HValue* hydrogen_value_; | 327 HValue* hydrogen_value_; |
338 SetOncePointer<LEnvironment> deoptimization_environment_; | |
339 }; | 328 }; |
340 | 329 |
341 | 330 |
342 template<typename ElementType, int NumElements> | 331 template<typename ElementType, int NumElements> |
343 class OperandContainer { | 332 class OperandContainer { |
344 public: | 333 public: |
345 OperandContainer() { | 334 OperandContainer() { |
346 for (int i = 0; i < NumElements; i++) elems_[i] = NULL; | 335 for (int i = 0; i < NumElements; i++) elems_[i] = NULL; |
347 } | 336 } |
348 int length() { return NumElements; } | 337 int length() { return NumElements; } |
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1874 LChunkBuilder(HGraph* graph, LAllocator* allocator) | 1863 LChunkBuilder(HGraph* graph, LAllocator* allocator) |
1875 : chunk_(NULL), | 1864 : chunk_(NULL), |
1876 graph_(graph), | 1865 graph_(graph), |
1877 status_(UNUSED), | 1866 status_(UNUSED), |
1878 current_instruction_(NULL), | 1867 current_instruction_(NULL), |
1879 current_block_(NULL), | 1868 current_block_(NULL), |
1880 next_block_(NULL), | 1869 next_block_(NULL), |
1881 argument_count_(0), | 1870 argument_count_(0), |
1882 allocator_(allocator), | 1871 allocator_(allocator), |
1883 position_(RelocInfo::kNoPosition), | 1872 position_(RelocInfo::kNoPosition), |
1884 instructions_pending_deoptimization_environment_(NULL), | |
1885 pending_deoptimization_ast_id_(AstNode::kNoNumber) { } | 1873 pending_deoptimization_ast_id_(AstNode::kNoNumber) { } |
1886 | 1874 |
1887 // Build the sequence for the graph. | 1875 // Build the sequence for the graph. |
1888 LChunk* Build(); | 1876 LChunk* Build(); |
1889 | 1877 |
1890 // Declare methods that deal with the individual node types. | 1878 // Declare methods that deal with the individual node types. |
1891 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); | 1879 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); |
1892 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) | 1880 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) |
1893 #undef DECLARE_DO | 1881 #undef DECLARE_DO |
1894 | 1882 |
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1983 | 1971 |
1984 // By default we assume that instruction sequences generated for calls | 1972 // By default we assume that instruction sequences generated for calls |
1985 // cannot deoptimize eagerly and we do not attach environment to this | 1973 // cannot deoptimize eagerly and we do not attach environment to this |
1986 // instruction. | 1974 // instruction. |
1987 LInstruction* MarkAsCall( | 1975 LInstruction* MarkAsCall( |
1988 LInstruction* instr, | 1976 LInstruction* instr, |
1989 HInstruction* hinstr, | 1977 HInstruction* hinstr, |
1990 CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY); | 1978 CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY); |
1991 LInstruction* MarkAsSaveDoubles(LInstruction* instr); | 1979 LInstruction* MarkAsSaveDoubles(LInstruction* instr); |
1992 | 1980 |
1993 LInstruction* SetInstructionPendingDeoptimizationEnvironment( | |
1994 LInstruction* instr, int ast_id); | |
1995 void ClearInstructionPendingDeoptimizationEnvironment(); | |
1996 | |
1997 LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env); | 1981 LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env); |
1998 | 1982 |
1999 void VisitInstruction(HInstruction* current); | 1983 void VisitInstruction(HInstruction* current); |
2000 | 1984 |
2001 void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); | 1985 void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); |
2002 LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr); | 1986 LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr); |
2003 LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); | 1987 LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); |
2004 LInstruction* DoArithmeticD(Token::Value op, | 1988 LInstruction* DoArithmeticD(Token::Value op, |
2005 HArithmeticBinaryOperation* instr); | 1989 HArithmeticBinaryOperation* instr); |
2006 LInstruction* DoArithmeticT(Token::Value op, | 1990 LInstruction* DoArithmeticT(Token::Value op, |
2007 HArithmeticBinaryOperation* instr); | 1991 HArithmeticBinaryOperation* instr); |
2008 | 1992 |
2009 LChunk* chunk_; | 1993 LChunk* chunk_; |
2010 HGraph* const graph_; | 1994 HGraph* const graph_; |
2011 Status status_; | 1995 Status status_; |
2012 HInstruction* current_instruction_; | 1996 HInstruction* current_instruction_; |
2013 HBasicBlock* current_block_; | 1997 HBasicBlock* current_block_; |
2014 HBasicBlock* next_block_; | 1998 HBasicBlock* next_block_; |
2015 int argument_count_; | 1999 int argument_count_; |
2016 LAllocator* allocator_; | 2000 LAllocator* allocator_; |
2017 int position_; | 2001 int position_; |
2018 LInstruction* instructions_pending_deoptimization_environment_; | |
2019 int pending_deoptimization_ast_id_; | 2002 int pending_deoptimization_ast_id_; |
2020 | 2003 |
2021 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2004 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2022 }; | 2005 }; |
2023 | 2006 |
2024 #undef DECLARE_HYDROGEN_ACCESSOR | 2007 #undef DECLARE_HYDROGEN_ACCESSOR |
2025 #undef DECLARE_INSTRUCTION | 2008 #undef DECLARE_INSTRUCTION |
2026 #undef DECLARE_CONCRETE_INSTRUCTION | 2009 #undef DECLARE_CONCRETE_INSTRUCTION |
2027 | 2010 |
2028 } } // namespace v8::internal | 2011 } } // namespace v8::internal |
2029 | 2012 |
2030 #endif // V8_IA32_LITHIUM_IA32_H_ | 2013 #endif // V8_IA32_LITHIUM_IA32_H_ |
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