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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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2215 } | 2215 } |
2216 | 2216 |
2217 LOperand* object() { return inputs_[0]; } | 2217 LOperand* object() { return inputs_[0]; } |
2218 LOperand* index() { return inputs_[1]; } | 2218 LOperand* index() { return inputs_[1]; } |
2219 | 2219 |
2220 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index") | 2220 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index") |
2221 }; | 2221 }; |
2222 | 2222 |
2223 | 2223 |
2224 class LChunkBuilder; | 2224 class LChunkBuilder; |
2225 class LChunk: public ZoneObject { | 2225 class LChunk: public LChunkBase { |
2226 public: | 2226 public: |
2227 explicit LChunk(CompilationInfo* info, HGraph* graph); | 2227 explicit LChunk(CompilationInfo* info, HGraph* graph) |
2228 | 2228 : LChunkBase(info, graph) { } |
2229 void AddInstruction(LInstruction* instruction, HBasicBlock* block); | |
2230 LConstantOperand* DefineConstantOperand(HConstant* constant); | |
2231 Handle<Object> LookupLiteral(LConstantOperand* operand) const; | |
2232 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; | |
2233 | 2229 |
2234 int GetNextSpillIndex(bool is_double); | 2230 int GetNextSpillIndex(bool is_double); |
2235 LOperand* GetNextSpillSlot(bool is_double); | 2231 LOperand* GetNextSpillSlot(bool is_double); |
2236 | |
2237 int ParameterAt(int index); | |
2238 int GetParameterStackSlot(int index) const; | |
2239 int spill_slot_count() const { return spill_slot_count_; } | |
2240 CompilationInfo* info() const { return info_; } | |
2241 HGraph* graph() const { return graph_; } | |
2242 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } | |
2243 void AddGapMove(int index, LOperand* from, LOperand* to); | |
2244 LGap* GetGapAt(int index) const; | |
2245 bool IsGapAt(int index) const; | |
2246 int NearestGapPos(int index) const; | |
2247 void MarkEmptyBlocks(); | |
2248 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } | |
2249 LLabel* GetLabel(int block_id) const { | |
2250 HBasicBlock* block = graph_->blocks()->at(block_id); | |
2251 int first_instruction = block->first_instruction_index(); | |
2252 return LLabel::cast(instructions_[first_instruction]); | |
2253 } | |
2254 int LookupDestination(int block_id) const { | |
2255 LLabel* cur = GetLabel(block_id); | |
2256 while (cur->replacement() != NULL) { | |
2257 cur = cur->replacement(); | |
2258 } | |
2259 return cur->block_id(); | |
2260 } | |
2261 Label* GetAssemblyLabel(int block_id) const { | |
2262 LLabel* label = GetLabel(block_id); | |
2263 ASSERT(!label->HasReplacement()); | |
2264 return label->label(); | |
2265 } | |
2266 | |
2267 const ZoneList<Handle<JSFunction> >* inlined_closures() const { | |
2268 return &inlined_closures_; | |
2269 } | |
2270 | |
2271 void AddInlinedClosure(Handle<JSFunction> closure) { | |
2272 inlined_closures_.Add(closure, zone()); | |
2273 } | |
2274 | |
2275 Zone* zone() const { return graph_->zone(); } | |
2276 | |
2277 private: | |
2278 int spill_slot_count_; | |
2279 CompilationInfo* info_; | |
2280 HGraph* const graph_; | |
2281 ZoneList<LInstruction*> instructions_; | |
2282 ZoneList<LPointerMap*> pointer_maps_; | |
2283 ZoneList<Handle<JSFunction> > inlined_closures_; | |
2284 }; | 2232 }; |
2285 | 2233 |
2286 | 2234 |
2287 class LChunkBuilder BASE_EMBEDDED { | 2235 class LChunkBuilder BASE_EMBEDDED { |
2288 public: | 2236 public: |
2289 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) | 2237 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) |
2290 : chunk_(NULL), | 2238 : chunk_(NULL), |
2291 info_(info), | 2239 info_(info), |
2292 graph_(graph), | 2240 graph_(graph), |
2293 zone_(graph->zone()), | 2241 zone_(graph->zone()), |
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2437 | 2385 |
2438 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2386 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2439 }; | 2387 }; |
2440 | 2388 |
2441 #undef DECLARE_HYDROGEN_ACCESSOR | 2389 #undef DECLARE_HYDROGEN_ACCESSOR |
2442 #undef DECLARE_CONCRETE_INSTRUCTION | 2390 #undef DECLARE_CONCRETE_INSTRUCTION |
2443 | 2391 |
2444 } } // namespace v8::internal | 2392 } } // namespace v8::internal |
2445 | 2393 |
2446 #endif // V8_ARM_LITHIUM_ARM_H_ | 2394 #endif // V8_ARM_LITHIUM_ARM_H_ |
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