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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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| 161 | 161 |
| 162 | 162 |
| 163 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) { | 163 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) { |
| 164 Handle<Object> value = GetInfo(expr->CallFeedbackId()); | 164 Handle<Object> value = GetInfo(expr->CallFeedbackId()); |
| 165 return value->IsMap() || value->IsSmi() || value->IsJSFunction(); | 165 return value->IsMap() || value->IsSmi() || value->IsJSFunction(); |
| 166 } | 166 } |
| 167 | 167 |
| 168 | 168 |
| 169 bool TypeFeedbackOracle::CallNewIsMonomorphic(CallNew* expr) { | 169 bool TypeFeedbackOracle::CallNewIsMonomorphic(CallNew* expr) { |
| 170 Handle<Object> info = GetInfo(expr->CallNewFeedbackId()); | 170 Handle<Object> info = GetInfo(expr->CallNewFeedbackId()); |
| 171 if (info->IsSmi()) { | 171 return info->IsSmi() || info->IsJSFunction(); |
| 172 ASSERT(static_cast<ElementsKind>(Smi::cast(*info)->value()) <= | |
| 173 LAST_FAST_ELEMENTS_KIND); | |
| 174 return isolate_->global_context()->array_function(); | |
| 175 } | |
| 176 return info->IsJSFunction(); | |
| 177 } | 172 } |
| 178 | 173 |
| 179 | 174 |
| 180 bool TypeFeedbackOracle::ObjectLiteralStoreIsMonomorphic( | 175 bool TypeFeedbackOracle::ObjectLiteralStoreIsMonomorphic( |
| 181 ObjectLiteral::Property* prop) { | 176 ObjectLiteral::Property* prop) { |
| 182 Handle<Object> map_or_code = GetInfo(prop->key()->LiteralFeedbackId()); | 177 Handle<Object> map_or_code = GetInfo(prop->key()->LiteralFeedbackId()); |
| 183 return map_or_code->IsMap(); | 178 return map_or_code->IsMap(); |
| 184 } | 179 } |
| 185 | 180 |
| 186 | 181 |
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| 291 CheckType TypeFeedbackOracle::GetCallCheckType(Call* expr) { | 286 CheckType TypeFeedbackOracle::GetCallCheckType(Call* expr) { |
| 292 Handle<Object> value = GetInfo(expr->CallFeedbackId()); | 287 Handle<Object> value = GetInfo(expr->CallFeedbackId()); |
| 293 if (!value->IsSmi()) return RECEIVER_MAP_CHECK; | 288 if (!value->IsSmi()) return RECEIVER_MAP_CHECK; |
| 294 CheckType check = static_cast<CheckType>(Smi::cast(*value)->value()); | 289 CheckType check = static_cast<CheckType>(Smi::cast(*value)->value()); |
| 295 ASSERT(check != RECEIVER_MAP_CHECK); | 290 ASSERT(check != RECEIVER_MAP_CHECK); |
| 296 return check; | 291 return check; |
| 297 } | 292 } |
| 298 | 293 |
| 299 | 294 |
| 300 Handle<JSFunction> TypeFeedbackOracle::GetCallTarget(Call* expr) { | 295 Handle<JSFunction> TypeFeedbackOracle::GetCallTarget(Call* expr) { |
| 301 return Handle<JSFunction>::cast(GetInfo(expr->CallFeedbackId())); | 296 Handle<Object> info = GetInfo(expr->CallFeedbackId()); |
| 297 if (info->IsSmi()) { |
| 298 ASSERT(static_cast<ElementsKind>(Smi::cast(*info)->value()) <= |
| 299 LAST_FAST_ELEMENTS_KIND); |
| 300 return Handle<JSFunction>(isolate_->global_context()->array_function()); |
| 301 } else { |
| 302 return Handle<JSFunction>::cast(info); |
| 303 } |
| 302 } | 304 } |
| 303 | 305 |
| 304 | 306 |
| 305 Handle<JSFunction> TypeFeedbackOracle::GetCallNewTarget(CallNew* expr) { | 307 Handle<JSFunction> TypeFeedbackOracle::GetCallNewTarget(CallNew* expr) { |
| 306 Handle<Object> info = GetInfo(expr->CallNewFeedbackId()); | 308 Handle<Object> info = GetInfo(expr->CallNewFeedbackId()); |
| 307 if (info->IsSmi()) { | 309 if (info->IsSmi()) { |
| 308 ASSERT(static_cast<ElementsKind>(Smi::cast(*info)->value()) <= | 310 ASSERT(static_cast<ElementsKind>(Smi::cast(*info)->value()) <= |
| 309 LAST_FAST_ELEMENTS_KIND); | 311 LAST_FAST_ELEMENTS_KIND); |
| 310 return Handle<JSFunction>(isolate_->global_context()->array_function()); | 312 return Handle<JSFunction>(isolate_->global_context()->array_function()); |
| 311 } else { | 313 } else { |
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| 758 USE(maybe_result); | 760 USE(maybe_result); |
| 759 #ifdef DEBUG | 761 #ifdef DEBUG |
| 760 Object* result = NULL; | 762 Object* result = NULL; |
| 761 // Dictionary has been allocated with sufficient size for all elements. | 763 // Dictionary has been allocated with sufficient size for all elements. |
| 762 ASSERT(maybe_result->ToObject(&result)); | 764 ASSERT(maybe_result->ToObject(&result)); |
| 763 ASSERT(*dictionary_ == result); | 765 ASSERT(*dictionary_ == result); |
| 764 #endif | 766 #endif |
| 765 } | 767 } |
| 766 | 768 |
| 767 } } // namespace v8::internal | 769 } } // namespace v8::internal |
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