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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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164 | 164 |
165 | 165 |
166 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) { | 166 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) { |
167 Handle<Object> value = GetInfo(expr->CallFeedbackId()); | 167 Handle<Object> value = GetInfo(expr->CallFeedbackId()); |
168 return value->IsMap() || value->IsSmi() || value->IsJSFunction(); | 168 return value->IsMap() || value->IsSmi() || value->IsJSFunction(); |
169 } | 169 } |
170 | 170 |
171 | 171 |
172 bool TypeFeedbackOracle::CallNewIsMonomorphic(CallNew* expr) { | 172 bool TypeFeedbackOracle::CallNewIsMonomorphic(CallNew* expr) { |
173 Handle<Object> value = GetInfo(expr->CallNewFeedbackId()); | 173 Handle<Object> value = GetInfo(expr->CallNewFeedbackId()); |
| 174 if (value->IsSmi()) { |
| 175 ASSERT(static_cast<ElementsKind>(Smi::cast(*value)->value()) <= |
| 176 LAST_FAST_ELEMENTS_KIND); |
| 177 return Isolate::Current()->global_context()->array_function(); |
| 178 } |
174 return value->IsJSFunction(); | 179 return value->IsJSFunction(); |
175 } | 180 } |
176 | 181 |
177 | 182 |
178 bool TypeFeedbackOracle::ObjectLiteralStoreIsMonomorphic( | 183 bool TypeFeedbackOracle::ObjectLiteralStoreIsMonomorphic( |
179 ObjectLiteral::Property* prop) { | 184 ObjectLiteral::Property* prop) { |
180 Handle<Object> map_or_code = GetInfo(prop->key()->LiteralFeedbackId()); | 185 Handle<Object> map_or_code = GetInfo(prop->key()->LiteralFeedbackId()); |
181 return map_or_code->IsMap(); | 186 return map_or_code->IsMap(); |
182 } | 187 } |
183 | 188 |
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288 return Handle<JSObject>(JSObject::cast(function->instance_prototype())); | 293 return Handle<JSObject>(JSObject::cast(function->instance_prototype())); |
289 } | 294 } |
290 | 295 |
291 | 296 |
292 Handle<JSFunction> TypeFeedbackOracle::GetCallTarget(Call* expr) { | 297 Handle<JSFunction> TypeFeedbackOracle::GetCallTarget(Call* expr) { |
293 return Handle<JSFunction>::cast(GetInfo(expr->CallFeedbackId())); | 298 return Handle<JSFunction>::cast(GetInfo(expr->CallFeedbackId())); |
294 } | 299 } |
295 | 300 |
296 | 301 |
297 Handle<JSFunction> TypeFeedbackOracle::GetCallNewTarget(CallNew* expr) { | 302 Handle<JSFunction> TypeFeedbackOracle::GetCallNewTarget(CallNew* expr) { |
298 return Handle<JSFunction>::cast(GetInfo(expr->CallNewFeedbackId())); | 303 Handle <Object> info = GetInfo(expr->CallNewFeedbackId()); |
| 304 if (info->IsSmi()) { |
| 305 ASSERT(static_cast<ElementsKind>(Smi::cast(*info)->value()) <= |
| 306 LAST_FAST_ELEMENTS_KIND); |
| 307 return Handle<JSFunction>(Isolate::Current()->global_context()-> |
| 308 array_function()); |
| 309 } else { |
| 310 return Handle<JSFunction>::cast(info); |
| 311 } |
299 } | 312 } |
300 | 313 |
301 | 314 |
| 315 ElementsKind TypeFeedbackOracle::GetCallNewElementsKind(CallNew* expr) { |
| 316 Handle<Object> info = GetInfo(expr->CallNewFeedbackId()); |
| 317 if (info->IsSmi()) { |
| 318 return static_cast<ElementsKind>(Smi::cast(*info)->value()); |
| 319 } else { |
| 320 return GetInitialFastElementsKind(); |
| 321 } |
| 322 } |
| 323 |
| 324 |
302 Handle<Map> TypeFeedbackOracle::GetObjectLiteralStoreMap( | 325 Handle<Map> TypeFeedbackOracle::GetObjectLiteralStoreMap( |
303 ObjectLiteral::Property* prop) { | 326 ObjectLiteral::Property* prop) { |
304 ASSERT(ObjectLiteralStoreIsMonomorphic(prop)); | 327 ASSERT(ObjectLiteralStoreIsMonomorphic(prop)); |
305 return Handle<Map>::cast(GetInfo(prop->key()->LiteralFeedbackId())); | 328 return Handle<Map>::cast(GetInfo(prop->key()->LiteralFeedbackId())); |
306 } | 329 } |
307 | 330 |
308 | 331 |
309 bool TypeFeedbackOracle::LoadIsBuiltin(Property* expr, Builtins::Name id) { | 332 bool TypeFeedbackOracle::LoadIsBuiltin(Property* expr, Builtins::Name id) { |
310 return *GetInfo(expr->PropertyFeedbackId()) == | 333 return *GetInfo(expr->PropertyFeedbackId()) == |
311 isolate_->builtins()->builtin(id); | 334 isolate_->builtins()->builtin(id); |
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728 USE(maybe_result); | 751 USE(maybe_result); |
729 #ifdef DEBUG | 752 #ifdef DEBUG |
730 Object* result = NULL; | 753 Object* result = NULL; |
731 // Dictionary has been allocated with sufficient size for all elements. | 754 // Dictionary has been allocated with sufficient size for all elements. |
732 ASSERT(maybe_result->ToObject(&result)); | 755 ASSERT(maybe_result->ToObject(&result)); |
733 ASSERT(*dictionary_ == result); | 756 ASSERT(*dictionary_ == result); |
734 #endif | 757 #endif |
735 } | 758 } |
736 | 759 |
737 } } // namespace v8::internal | 760 } } // namespace v8::internal |
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