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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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223 class Assignment; | 223 class Assignment; |
224 class BinaryOperation; | 224 class BinaryOperation; |
225 class Call; | 225 class Call; |
226 class CompareOperation; | 226 class CompareOperation; |
227 class CompilationInfo; | 227 class CompilationInfo; |
228 class Property; | 228 class Property; |
229 class CaseClause; | 229 class CaseClause; |
230 | 230 |
231 class TypeFeedbackOracle BASE_EMBEDDED { | 231 class TypeFeedbackOracle BASE_EMBEDDED { |
232 public: | 232 public: |
233 enum Side { | |
234 LEFT, | |
235 RIGHT, | |
236 RESULT | |
237 }; | |
238 | |
239 explicit TypeFeedbackOracle(Handle<Code> code); | 233 explicit TypeFeedbackOracle(Handle<Code> code); |
240 | 234 |
241 bool LoadIsMonomorphic(Property* expr); | 235 bool LoadIsMonomorphic(Property* expr); |
242 bool StoreIsMonomorphic(Assignment* expr); | 236 bool StoreIsMonomorphic(Assignment* expr); |
243 bool CallIsMonomorphic(Call* expr); | 237 bool CallIsMonomorphic(Call* expr); |
244 | 238 |
245 Handle<Map> LoadMonomorphicReceiverType(Property* expr); | 239 Handle<Map> LoadMonomorphicReceiverType(Property* expr); |
246 Handle<Map> StoreMonomorphicReceiverType(Assignment* expr); | 240 Handle<Map> StoreMonomorphicReceiverType(Assignment* expr); |
247 Handle<Map> CallMonomorphicReceiverType(Call* expr); | 241 Handle<Map> CallMonomorphicReceiverType(Call* expr); |
248 | 242 |
249 ZoneMapList* LoadReceiverTypes(Property* expr, Handle<String> name); | 243 ZoneMapList* LoadReceiverTypes(Property* expr, Handle<String> name); |
250 ZoneMapList* StoreReceiverTypes(Assignment* expr, Handle<String> name); | 244 ZoneMapList* StoreReceiverTypes(Assignment* expr, Handle<String> name); |
251 ZoneMapList* CallReceiverTypes(Call* expr, Handle<String> name); | 245 ZoneMapList* CallReceiverTypes(Call* expr, Handle<String> name); |
252 | 246 |
253 bool LoadIsBuiltin(Property* expr, Builtins::Name id); | 247 bool LoadIsBuiltin(Property* expr, Builtins::Name id); |
254 | 248 |
255 // Get type information for arithmetic operations and compares. | 249 // Get type information for arithmetic operations and compares. |
256 TypeInfo BinaryType(BinaryOperation* expr, Side side); | 250 TypeInfo BinaryType(BinaryOperation* expr); |
257 TypeInfo CompareType(CompareOperation* expr, Side side); | 251 TypeInfo CompareType(CompareOperation* expr); |
258 TypeInfo SwitchType(CaseClause* clause); | 252 TypeInfo SwitchType(CaseClause* clause); |
259 | 253 |
260 private: | 254 private: |
261 void Initialize(Handle<Code> code); | 255 void Initialize(Handle<Code> code); |
262 | 256 |
263 bool IsMonomorphic(int pos) { return GetElement(map_, pos)->IsMap(); } | 257 bool IsMonomorphic(int pos) { return GetElement(map_, pos)->IsMap(); } |
264 | 258 |
265 ZoneMapList* CollectReceiverTypes(int position, | 259 ZoneMapList* CollectReceiverTypes(int position, |
266 Handle<String> name, | 260 Handle<String> name, |
267 Code::Flags flags); | 261 Code::Flags flags); |
268 | 262 |
269 void PopulateMap(Handle<Code> code); | 263 void PopulateMap(Handle<Code> code); |
270 | 264 |
271 void CollectPositions(Code* code, | 265 void CollectPositions(Code* code, |
272 List<int>* code_positions, | 266 List<int>* code_positions, |
273 List<int>* source_positions); | 267 List<int>* source_positions); |
274 | 268 |
275 Handle<JSObject> map_; | 269 Handle<JSObject> map_; |
276 | 270 |
277 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); | 271 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); |
278 }; | 272 }; |
279 | 273 |
280 } } // namespace v8::internal | 274 } } // namespace v8::internal |
281 | 275 |
282 #endif // V8_TYPE_INFO_H_ | 276 #endif // V8_TYPE_INFO_H_ |
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