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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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| 164 return Handle<JSObject>(JSObject::cast(function->instance_prototype())); | 164 return Handle<JSObject>(JSObject::cast(function->instance_prototype())); |
| 165 } | 165 } |
| 166 | 166 |
| 167 | 167 |
| 168 bool TypeFeedbackOracle::LoadIsBuiltin(Property* expr, Builtins::Name id) { | 168 bool TypeFeedbackOracle::LoadIsBuiltin(Property* expr, Builtins::Name id) { |
| 169 Handle<Object> object = GetElement(map_, expr->position()); | 169 Handle<Object> object = GetElement(map_, expr->position()); |
| 170 return *object == Builtins::builtin(id); | 170 return *object == Builtins::builtin(id); |
| 171 } | 171 } |
| 172 | 172 |
| 173 | 173 |
| 174 TypeInfo TypeFeedbackOracle::CompareType(CompareOperation* expr, Side side) { | 174 TypeInfo TypeFeedbackOracle::CompareType(CompareOperation* expr) { |
| 175 Handle<Object> object = GetElement(map_, expr->position()); | 175 Handle<Object> object = GetElement(map_, expr->position()); |
| 176 TypeInfo unknown = TypeInfo::Unknown(); | 176 TypeInfo unknown = TypeInfo::Unknown(); |
| 177 if (!object->IsCode()) return unknown; | 177 if (!object->IsCode()) return unknown; |
| 178 Handle<Code> code = Handle<Code>::cast(object); | 178 Handle<Code> code = Handle<Code>::cast(object); |
| 179 if (!code->is_compare_ic_stub()) return unknown; | 179 if (!code->is_compare_ic_stub()) return unknown; |
| 180 | 180 |
| 181 CompareIC::State state = static_cast<CompareIC::State>(code->compare_state()); | 181 CompareIC::State state = static_cast<CompareIC::State>(code->compare_state()); |
| 182 switch (state) { | 182 switch (state) { |
| 183 case CompareIC::UNINITIALIZED: | 183 case CompareIC::UNINITIALIZED: |
| 184 // Uninitialized means never executed. | 184 // Uninitialized means never executed. |
| 185 // TODO(fschneider): Introduce a separate value for never-executed ICs. | 185 // TODO(fschneider): Introduce a separate value for never-executed ICs. |
| 186 return unknown; | 186 return unknown; |
| 187 case CompareIC::SMIS: | 187 case CompareIC::SMIS: |
| 188 return TypeInfo::Smi(); | 188 return TypeInfo::Smi(); |
| 189 case CompareIC::HEAP_NUMBERS: | 189 case CompareIC::HEAP_NUMBERS: |
| 190 return TypeInfo::Number(); | 190 return TypeInfo::Number(); |
| 191 case CompareIC::OBJECTS: | 191 case CompareIC::OBJECTS: |
| 192 // TODO(kasperl): We really need a type for JS objects here. | 192 // TODO(kasperl): We really need a type for JS objects here. |
| 193 return TypeInfo::NonPrimitive(); | 193 return TypeInfo::NonPrimitive(); |
| 194 case CompareIC::GENERIC: | 194 case CompareIC::GENERIC: |
| 195 default: | 195 default: |
| 196 return unknown; | 196 return unknown; |
| 197 } | 197 } |
| 198 } | 198 } |
| 199 | 199 |
| 200 | 200 |
| 201 TypeInfo TypeFeedbackOracle::BinaryType(BinaryOperation* expr, Side side) { | 201 TypeInfo TypeFeedbackOracle::BinaryType(BinaryOperation* expr) { |
| 202 Handle<Object> object = GetElement(map_, expr->position()); | 202 Handle<Object> object = GetElement(map_, expr->position()); |
| 203 TypeInfo unknown = TypeInfo::Unknown(); | 203 TypeInfo unknown = TypeInfo::Unknown(); |
| 204 if (!object->IsCode()) return unknown; | 204 if (!object->IsCode()) return unknown; |
| 205 Handle<Code> code = Handle<Code>::cast(object); | 205 Handle<Code> code = Handle<Code>::cast(object); |
| 206 if (code->is_binary_op_stub()) { | 206 if (code->is_binary_op_stub()) { |
| 207 BinaryOpIC::TypeInfo type = static_cast<BinaryOpIC::TypeInfo>( | 207 BinaryOpIC::TypeInfo type = static_cast<BinaryOpIC::TypeInfo>( |
| 208 code->binary_op_type()); | 208 code->binary_op_type()); |
| 209 switch (type) { | 209 switch (type) { |
| 210 case BinaryOpIC::UNINIT_OR_SMI: | 210 case BinaryOpIC::UNINIT_OR_SMI: |
| 211 return TypeInfo::Smi(); | 211 return TypeInfo::Smi(); |
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| 397 source_positions->Add(position); | 397 source_positions->Add(position); |
| 398 } | 398 } |
| 399 } else { | 399 } else { |
| 400 ASSERT(RelocInfo::IsPosition(mode)); | 400 ASSERT(RelocInfo::IsPosition(mode)); |
| 401 position = static_cast<int>(info->data()); | 401 position = static_cast<int>(info->data()); |
| 402 } | 402 } |
| 403 } | 403 } |
| 404 } | 404 } |
| 405 | 405 |
| 406 } } // namespace v8::internal | 406 } } // namespace v8::internal |
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