1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_COMPILER_JS_CONTEXT_RELAXATION_H_ 6 #define V8_COMPILER_JS_CONTEXT_RELAXATION_H_ 7 8 #include "src/compiler/graph-reducer.h" 9 10 namespace v8 { 11 namespace internal { 12 namespace compiler { 13 14 // Ensures that operations that only need to access the native context use the 15 // outer-most context rather than the specific context given by the AST graph 16 // builder. This makes it possible to use these operations with context 17 // specialization (e.g. for generating stubs) without forcing inner contexts to 18 // be embedded in generated code thus causing leaks and potentially using the 19 // wrong native context (i.e. stubs are shared between native contexts). 20 class JSContextRelaxation final : public Reducer { 21 public: 22 JSContextRelaxation() {} 23 ~JSContextRelaxation() final {} 24 25 Reduction Reduce(Node* node) final; 26 }; 27 28 } // namespace compiler 29 } // namespace internal 30 } // namespace v8 31 32 #endif // V8_COMPILER_JS_CONTEXT_RELAXATION_H_ 33
