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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_JS_INTRINSIC_LOWERING_H_
#define V8_COMPILER_JS_INTRINSIC_LOWERING_H_
#include "src/compiler/graph-reducer.h"
#include "src/compiler/simplified-operator.h"
namespace v8 {
namespace internal {
namespace compiler {
// Forward declarations.
class CommonOperatorBuilder;
class JSGraph;
class MachineOperatorBuilder;
// Lowers certain JS-level runtime calls.
class JSIntrinsicLowering FINAL : public Reducer {
public:
explicit JSIntrinsicLowering(JSGraph* jsgraph);
~JSIntrinsicLowering() FINAL {}
Reduction Reduce(Node* node) FINAL;
private:
Reduction ReduceConstructDouble(Node* node);
Reduction ReduceDeoptimizeNow(Node* node);
Reduction ReduceDoubleHi(Node* node);
Reduction ReduceDoubleLo(Node* node);
Reduction ReduceHeapObjectGetMap(Node* node);
Reduction ReduceIncrementStatsCounter(Node* node);
Reduction ReduceIsInstanceType(Node* node, InstanceType instance_type);
Reduction ReduceIsNonNegativeSmi(Node* node);
Reduction ReduceIsSmi(Node* node);
Reduction ReduceJSValueGetValue(Node* node);
Reduction ReduceMapGetInstanceType(Node* node);
Reduction ReduceMathClz32(Node* node);
Reduction ReduceMathFloor(Node* node);
Reduction ReduceMathSqrt(Node* node);
Reduction ReduceSeqStringGetChar(Node* node, String::Encoding encoding);
Reduction ReduceSeqStringSetChar(Node* node, String::Encoding encoding);
Reduction ReduceStringGetLength(Node* node);
Reduction ReduceValueOf(Node* node);
Reduction Change(Node* node, const Operator* op);
Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c);
Reduction ChangeToUndefined(Node* node, Node* effect = nullptr);
Graph* graph() const;
JSGraph* jsgraph() const { return jsgraph_; }
CommonOperatorBuilder* common() const;
MachineOperatorBuilder* machine() const;
SimplifiedOperatorBuilder* simplified() { return &simplified_; }
JSGraph* jsgraph_;
SimplifiedOperatorBuilder simplified_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_JS_INTRINSIC_LOWERING_H_
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