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Issue 102563004: Zonify types in compiler frontend (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebased Created 7 years ago
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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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104 if (object->IsJSObject()) return OWN_MAP; 104 if (object->IsJSObject()) return OWN_MAP;
105 105
106 // If the object is a value, we use the prototype map for the cache. 106 // If the object is a value, we use the prototype map for the cache.
107 ASSERT(object->IsString() || object->IsSymbol() || 107 ASSERT(object->IsString() || object->IsSymbol() ||
108 object->IsNumber() || object->IsBoolean()); 108 object->IsNumber() || object->IsBoolean());
109 return PROTOTYPE_MAP; 109 return PROTOTYPE_MAP;
110 } 110 }
111 111
112 112
113 HeapObject* IC::GetCodeCacheHolder(Isolate* isolate, 113 HeapObject* IC::GetCodeCacheHolder(Isolate* isolate,
114 Object* object, 114 Object* object,
115 InlineCacheHolderFlag holder) { 115 InlineCacheHolderFlag holder) {
116 if (object->IsSmi()) holder = PROTOTYPE_MAP; 116 if (object->IsSmi()) holder = PROTOTYPE_MAP;
117 Object* map_owner = holder == OWN_MAP 117 Object* map_owner = holder == OWN_MAP
118 ? object : object->GetPrototype(isolate); 118 ? object : object->GetPrototype(isolate);
119 return HeapObject::cast(map_owner); 119 return HeapObject::cast(map_owner);
120 } 120 }
121 121
122 122
123 InlineCacheHolderFlag IC::GetCodeCacheFlag(Type* type) { 123 InlineCacheHolderFlag IC::GetCodeCacheFlag(HeapType* type) {
124 if (type->Is(Type::Boolean()) || 124 if (type->Is(HeapType::Boolean()) ||
125 type->Is(Type::Number()) || 125 type->Is(HeapType::Number()) ||
126 type->Is(Type::String()) || 126 type->Is(HeapType::String()) ||
127 type->Is(Type::Symbol())) { 127 type->Is(HeapType::Symbol())) {
128 return PROTOTYPE_MAP; 128 return PROTOTYPE_MAP;
129 } 129 }
130 return OWN_MAP; 130 return OWN_MAP;
131 } 131 }
132 132
133 133
134 Handle<Map> IC::GetCodeCacheHolder(InlineCacheHolderFlag flag, 134 Handle<Map> IC::GetCodeCacheHolder(InlineCacheHolderFlag flag,
135 Type* type, 135 HeapType* type,
136 Isolate* isolate) { 136 Isolate* isolate) {
137 if (flag == PROTOTYPE_MAP) { 137 if (flag == PROTOTYPE_MAP) {
138 Context* context = isolate->context()->native_context(); 138 Context* context = isolate->context()->native_context();
139 JSFunction* constructor; 139 JSFunction* constructor;
140 if (type->Is(Type::Boolean())) { 140 if (type->Is(HeapType::Boolean())) {
141 constructor = context->boolean_function(); 141 constructor = context->boolean_function();
142 } else if (type->Is(Type::Number())) { 142 } else if (type->Is(HeapType::Number())) {
143 constructor = context->number_function(); 143 constructor = context->number_function();
144 } else if (type->Is(Type::String())) { 144 } else if (type->Is(HeapType::String())) {
145 constructor = context->string_function(); 145 constructor = context->string_function();
146 } else { 146 } else {
147 ASSERT(type->Is(Type::Symbol())); 147 ASSERT(type->Is(HeapType::Symbol()));
148 constructor = context->symbol_function(); 148 constructor = context->symbol_function();
149 } 149 }
150 return handle(JSObject::cast(constructor->instance_prototype())->map()); 150 return handle(JSObject::cast(constructor->instance_prototype())->map());
151 } 151 }
152 return TypeToMap(type, isolate); 152 return TypeToMap(type, isolate);
153 } 153 }
154 154
155 155
156 } } // namespace v8::internal 156 } } // namespace v8::internal
157 157
158 #endif // V8_IC_INL_H_ 158 #endif // V8_IC_INL_H_
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