1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2014 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file. 4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#ifndef V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ 6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#define V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ 7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/compiler/graph-reducer.h" 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/compiler/js-graph.h" 10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/contexts.h" 11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/v8.h" 12b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 13b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace v8 { 14b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace internal { 15b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace compiler { 16b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 17b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Specializes a given JSGraph to a given context, potentially constant folding 18b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// some {LoadContext} nodes or strength reducing some {StoreContext} nodes. 19b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochclass JSContextSpecializer { 20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch public: 21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch JSContextSpecializer(CompilationInfo* info, JSGraph* jsgraph, Node* context) 22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch : info_(info), jsgraph_(jsgraph), context_(context) {} 23b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 24b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void SpecializeToContext(); 25b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Reduction ReduceJSLoadContext(Node* node); 26b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Reduction ReduceJSStoreContext(Node* node); 27b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch private: 29b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch CompilationInfo* info_; 30b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch JSGraph* jsgraph_; 31b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node* context_; 32b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 33b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 34b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 35b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} // namespace v8::internal::compiler 36b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 37b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ 38