// 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_COMMON_OPERATOR_REDUCER_H_
|
#define V8_COMPILER_COMMON_OPERATOR_REDUCER_H_
|
|
#include "src/base/compiler-specific.h"
|
#include "src/compiler/graph-reducer.h"
|
#include "src/globals.h"
|
|
namespace v8 {
|
namespace internal {
|
namespace compiler {
|
|
// Forward declarations.
|
class CommonOperatorBuilder;
|
class Graph;
|
class MachineOperatorBuilder;
|
class Operator;
|
|
|
// Performs strength reduction on nodes that have common operators.
|
class V8_EXPORT_PRIVATE CommonOperatorReducer final
|
: public NON_EXPORTED_BASE(AdvancedReducer) {
|
public:
|
CommonOperatorReducer(Editor* editor, Graph* graph,
|
JSHeapBroker* js_heap_broker,
|
CommonOperatorBuilder* common,
|
MachineOperatorBuilder* machine, Zone* temp_zone);
|
~CommonOperatorReducer() final {}
|
|
const char* reducer_name() const override { return "CommonOperatorReducer"; }
|
|
Reduction Reduce(Node* node) final;
|
|
private:
|
Reduction ReduceBranch(Node* node);
|
Reduction ReduceDeoptimizeConditional(Node* node);
|
Reduction ReduceMerge(Node* node);
|
Reduction ReduceEffectPhi(Node* node);
|
Reduction ReducePhi(Node* node);
|
Reduction ReduceReturn(Node* node);
|
Reduction ReduceSelect(Node* node);
|
Reduction ReduceSwitch(Node* node);
|
|
Reduction Change(Node* node, Operator const* op, Node* a);
|
Reduction Change(Node* node, Operator const* op, Node* a, Node* b);
|
|
Graph* graph() const { return graph_; }
|
JSHeapBroker* js_heap_broker() const { return js_heap_broker_; }
|
CommonOperatorBuilder* common() const { return common_; }
|
MachineOperatorBuilder* machine() const { return machine_; }
|
Node* dead() const { return dead_; }
|
|
Graph* const graph_;
|
JSHeapBroker* const js_heap_broker_;
|
CommonOperatorBuilder* const common_;
|
MachineOperatorBuilder* const machine_;
|
Node* const dead_;
|
Zone* zone_;
|
};
|
|
} // namespace compiler
|
} // namespace internal
|
} // namespace v8
|
|
#endif // V8_COMPILER_COMMON_OPERATOR_REDUCER_H_
|