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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_ | 5 #ifndef V8_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_ |
6 #define V8_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_ | 6 #define V8_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_ |
7 | 7 |
8 #include "src/base/flags.h" | 8 #include "src/base/flags.h" |
9 #include "src/compiler/graph-reducer.h" | 9 #include "src/compiler/graph-reducer.h" |
10 #include "src/deoptimize-reason.h" | 10 #include "src/deoptimize-reason.h" |
11 | 11 |
12 namespace v8 { | 12 namespace v8 { |
13 namespace internal { | 13 namespace internal { |
14 | 14 |
15 // Forward declarations. | 15 // Forward declarations. |
16 class CompilationDependencies; | 16 class CompilationDependencies; |
17 class Factory; | 17 class Factory; |
18 class FeedbackNexus; | 18 class FeedbackNexus; |
19 class TypeCache; | |
20 | |
21 | 19 |
22 namespace compiler { | 20 namespace compiler { |
23 | 21 |
24 // Forward declarations. | 22 // Forward declarations. |
25 enum class AccessMode; | 23 enum class AccessMode; |
26 class CommonOperatorBuilder; | 24 class CommonOperatorBuilder; |
27 class ElementAccessInfo; | 25 class ElementAccessInfo; |
28 class JSGraph; | 26 class JSGraph; |
29 class JSOperatorBuilder; | 27 class JSOperatorBuilder; |
30 class MachineOperatorBuilder; | 28 class MachineOperatorBuilder; |
31 class PropertyAccessInfo; | 29 class PropertyAccessInfo; |
32 class SimplifiedOperatorBuilder; | 30 class SimplifiedOperatorBuilder; |
33 | 31 class TypeCache; |
34 | 32 |
35 // Specializes a given JSGraph to a given native context, potentially constant | 33 // Specializes a given JSGraph to a given native context, potentially constant |
36 // folding some {LoadGlobal} nodes or strength reducing some {StoreGlobal} | 34 // folding some {LoadGlobal} nodes or strength reducing some {StoreGlobal} |
37 // nodes. And also specializes {LoadNamed} and {StoreNamed} nodes according | 35 // nodes. And also specializes {LoadNamed} and {StoreNamed} nodes according |
38 // to type feedback (if available). | 36 // to type feedback (if available). |
39 class JSNativeContextSpecialization final : public AdvancedReducer { | 37 class JSNativeContextSpecialization final : public AdvancedReducer { |
40 public: | 38 public: |
41 // Flags that control the mode of operation. | 39 // Flags that control the mode of operation. |
42 enum Flag { | 40 enum Flag { |
43 kNoFlags = 0u, | 41 kNoFlags = 0u, |
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174 DISALLOW_COPY_AND_ASSIGN(JSNativeContextSpecialization); | 172 DISALLOW_COPY_AND_ASSIGN(JSNativeContextSpecialization); |
175 }; | 173 }; |
176 | 174 |
177 DEFINE_OPERATORS_FOR_FLAGS(JSNativeContextSpecialization::Flags) | 175 DEFINE_OPERATORS_FOR_FLAGS(JSNativeContextSpecialization::Flags) |
178 | 176 |
179 } // namespace compiler | 177 } // namespace compiler |
180 } // namespace internal | 178 } // namespace internal |
181 } // namespace v8 | 179 } // namespace v8 |
182 | 180 |
183 #endif // V8_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_ | 181 #endif // V8_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_ |
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