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// Copyright 2015 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_CONTROL_FLOW_OPTIMIZER_H_
#define V8_COMPILER_CONTROL_FLOW_OPTIMIZER_H_
#include "src/compiler/node-marker.h"
#include "src/zone-containers.h"
namespace v8 {
namespace internal {
namespace compiler {
// Forward declarations.
class CommonOperatorBuilder;
class Graph;
class JSGraph;
class MachineOperatorBuilder;
class Node;
class ControlFlowOptimizer FINAL {
public:
ControlFlowOptimizer(JSGraph* jsgraph, Zone* zone);
void Optimize();
private:
void Enqueue(Node* node);
void VisitNode(Node* node);
void VisitBranch(Node* node);
CommonOperatorBuilder* common() const;
Graph* graph() const;
JSGraph* jsgraph() const { return jsgraph_; }
MachineOperatorBuilder* machine() const;
Zone* zone() const { return zone_; }
JSGraph* const jsgraph_;
ZoneQueue<Node*> queue_;
NodeMarker<bool> queued_;
Zone* const zone_;
DISALLOW_COPY_AND_ASSIGN(ControlFlowOptimizer);
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_CONTROL_FLOW_OPTIMIZER_H_
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