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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/base/compiler-specific.h"
#include "src/compiler/common-operator.h"
#include "src/compiler/graph-reducer.h"
#include "src/globals.h"
namespace v8 {
namespace internal {
// Forward declarations.
class Callable;
namespace compiler {
// Forward declarations.
class CommonOperatorBuilder;
struct FieldAccess;
class JSOperatorBuilder;
class JSGraph;
class SimplifiedOperatorBuilder;
// Lowers certain JS-level runtime calls.
class V8_EXPORT_PRIVATE JSIntrinsicLowering final
: public NON_EXPORTED_BASE(AdvancedReducer) {
public:
enum DeoptimizationMode { kDeoptimizationEnabled, kDeoptimizationDisabled };
JSIntrinsicLowering(Editor* editor, JSGraph* jsgraph,
DeoptimizationMode mode);
~JSIntrinsicLowering() final {}
Reduction Reduce(Node* node) final;
private:
Reduction ReduceCreateIterResultObject(Node* node);
Reduction ReduceDebugIsActive(Node* node);
Reduction ReduceDeoptimizeNow(Node* node);
Reduction ReduceCreateJSGeneratorObject(Node* node);
Reduction ReduceGeneratorClose(Node* node);
Reduction ReduceGeneratorGetContext(Node* node);
Reduction ReduceGeneratorGetInputOrDebugPos(Node* node);
Reduction ReduceAsyncGeneratorGetAwaitInputOrDebugPos(Node* node);
Reduction ReduceAsyncGeneratorReject(Node* node);
Reduction ReduceAsyncGeneratorResolve(Node* node);
Reduction ReduceGeneratorSaveInputForAwait(Node* node);
Reduction ReduceGeneratorGetResumeMode(Node* node);
Reduction ReduceIsInstanceType(Node* node, InstanceType instance_type);
Reduction ReduceIsJSReceiver(Node* node);
Reduction ReduceIsSmi(Node* node);
Reduction ReduceFixedArrayGet(Node* node);
Reduction ReduceFixedArraySet(Node* node);
Reduction ReduceSubString(Node* node);
Reduction ReduceToInteger(Node* node);
Reduction ReduceToLength(Node* node);
Reduction ReduceToNumber(Node* node);
Reduction ReduceToObject(Node* node);
Reduction ReduceToString(Node* node);
Reduction ReduceCall(Node* node);
Reduction ReduceGetSuperConstructor(Node* node);
// TODO(turbofan): typedarray.js support; drop once TypedArrays are
// converted to proper CodeStubAssembler based builtins.
Reduction ReduceArrayBufferViewField(Node* node, FieldAccess const& access);
Reduction ReduceArrayBufferViewWasNeutered(Node* node);
Reduction ReduceMaxSmi(Node* node);
Reduction ReduceTypedArrayMaxSizeInHeap(Node* node);
// TODO(turbofan): collection.js support; drop once Maps and Sets are
// converted to proper CodeStubAssembler based builtins.
Reduction ReduceJSCollectionGetTable(Node* node);
Reduction ReduceStringGetRawHashField(Node* node);
Reduction ReduceTheHole(Node* node);
// TODO(turbofan): JavaScript builtins support; drop once all uses of
// %_ClassOf in JavaScript builtins are eliminated.
Reduction ReduceClassOf(Node* node);
Reduction Change(Node* node, const Operator* op);
Reduction Change(Node* node, const Operator* op, Node* a, Node* b);
Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c);
Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c,
Node* d);
Reduction Change(Node* node, Callable const& callable,
int stack_parameter_count);
Graph* graph() const;
JSGraph* jsgraph() const { return jsgraph_; }
Isolate* isolate() const;
CommonOperatorBuilder* common() const;
JSOperatorBuilder* javascript() const;
SimplifiedOperatorBuilder* simplified() const;
DeoptimizationMode mode() const { return mode_; }
JSGraph* const jsgraph_;
DeoptimizationMode const mode_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_JS_INTRINSIC_LOWERING_H_
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