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Side by Side Diff: src/ic/ic-inl.h

Issue 2412043003: [ic] Support non-code handlers in megamorphic stub cache. (Closed)
Patch Set: Addressing comments Created 4 years, 2 months 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_IC_INL_H_ 5 #ifndef V8_IC_INL_H_
6 #define V8_IC_INL_H_ 6 #define V8_IC_INL_H_
7 7
8 #include "src/ic/ic.h" 8 #include "src/ic/ic.h"
9 9
10 #include "src/debug/debug.h" 10 #include "src/debug/debug.h"
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85 85
86 86
87 void IC::set_target(Code* code) { 87 void IC::set_target(Code* code) {
88 SetTargetAtAddress(address(), code, constant_pool()); 88 SetTargetAtAddress(address(), code, constant_pool());
89 } 89 }
90 90
91 Code* IC::target() const { 91 Code* IC::target() const {
92 return GetTargetAtAddress(address(), constant_pool()); 92 return GetTargetAtAddress(address(), constant_pool());
93 } 93 }
94 94
95 bool IC::IsHandler(Object* object) {
96 return (object->IsSmi() && (object != nullptr)) ||
97 (object->IsCode() && Code::cast(object)->is_handler());
98 }
99
95 Handle<Map> IC::GetHandlerCacheHolder(Handle<Map> receiver_map, 100 Handle<Map> IC::GetHandlerCacheHolder(Handle<Map> receiver_map,
96 bool receiver_is_holder, Isolate* isolate, 101 bool receiver_is_holder, Isolate* isolate,
97 CacheHolderFlag* flag) { 102 CacheHolderFlag* flag) {
98 if (receiver_is_holder) { 103 if (receiver_is_holder) {
99 *flag = kCacheOnReceiver; 104 *flag = kCacheOnReceiver;
100 return receiver_map; 105 return receiver_map;
101 } 106 }
102 Handle<JSFunction> builtin_ctor; 107 Handle<JSFunction> builtin_ctor;
103 if (Map::GetConstructorFunction(receiver_map, isolate->native_context()) 108 if (Map::GetConstructorFunction(receiver_map, isolate->native_context())
104 .ToHandle(&builtin_ctor)) { 109 .ToHandle(&builtin_ctor)) {
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142 bool IC::AddressIsDeoptimizedCode(Isolate* isolate, Address address) { 147 bool IC::AddressIsDeoptimizedCode(Isolate* isolate, Address address) {
143 Code* host = 148 Code* host =
144 isolate->inner_pointer_to_code_cache()->GetCacheEntry(address)->code; 149 isolate->inner_pointer_to_code_cache()->GetCacheEntry(address)->code;
145 return (host->kind() == Code::OPTIMIZED_FUNCTION && 150 return (host->kind() == Code::OPTIMIZED_FUNCTION &&
146 host->marked_for_deoptimization()); 151 host->marked_for_deoptimization());
147 } 152 }
148 } // namespace internal 153 } // namespace internal
149 } // namespace v8 154 } // namespace v8
150 155
151 #endif // V8_IC_INL_H_ 156 #endif // V8_IC_INL_H_
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