| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_COMPILER_JS_CONTEXT_RELAXATION_H_ |
| #define V8_COMPILER_JS_CONTEXT_RELAXATION_H_ |
| |
| #include "src/compiler/graph-reducer.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Ensures that operations that only need to access the native context use the |
| // outer-most context rather than the specific context given by the AST graph |
| // builder. This makes it possible to use these operations with context |
| // specialization (e.g. for generating stubs) without forcing inner contexts to |
| // be embedded in generated code thus causing leaks and potentially using the |
| // wrong native context (i.e. stubs are shared between native contexts). |
| class JSContextRelaxation final : public Reducer { |
| public: |
| JSContextRelaxation() {} |
| ~JSContextRelaxation() final {} |
| |
| Reduction Reduce(Node* node) final; |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_JS_CONTEXT_RELAXATION_H_ |