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// 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_SPECIALIZATION_H_
#define V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_
#include "src/compiler/graph-reducer.h"
#include "src/compiler/js-graph.h"
#include "src/contexts.h"
namespace v8 {
namespace internal {
namespace compiler {
// Specializes a given JSGraph to a given context, potentially constant folding
// some {LoadContext} nodes or strength reducing some {StoreContext} nodes.
class JSContextSpecializer : public Reducer {
public:
explicit JSContextSpecializer(JSGraph* jsgraph) : jsgraph_(jsgraph) {}
Reduction Reduce(Node* node) override;
// Visible for unit testing.
Reduction ReduceJSLoadContext(Node* node);
Reduction ReduceJSStoreContext(Node* node);
private:
JSGraph* jsgraph_;
};
}
}
} // namespace v8::internal::compiler
#endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_
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