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// Copyright 2018 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_TYPE_NARROWING_REDUCER_H_
#define V8_COMPILER_TYPE_NARROWING_REDUCER_H_
#include "src/base/compiler-specific.h"
#include "src/compiler/graph-reducer.h"
#include "src/compiler/operation-typer.h"
namespace v8 {
namespace internal {
namespace compiler {
// Forward declarations.
class JSGraph;
class V8_EXPORT_PRIVATE TypeNarrowingReducer final
: public NON_EXPORTED_BASE(AdvancedReducer) {
public:
TypeNarrowingReducer(Editor* editor, JSGraph* jsgraph,
JSHeapBroker* js_heap_broker);
~TypeNarrowingReducer() final;
const char* reducer_name() const override { return "TypeNarrowingReducer"; }
Reduction Reduce(Node* node) final;
private:
JSGraph* jsgraph() const { return jsgraph_; }
Graph* graph() const;
Zone* zone() const;
JSGraph* const jsgraph_;
OperationTyper op_typer_;
DISALLOW_COPY_AND_ASSIGN(TypeNarrowingReducer);
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_TYPE_NARROWING_REDUCER_H_
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