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// 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_JS_TYPED_LOWERING_H_
#define V8_COMPILER_JS_TYPED_LOWERING_H_
#include "src/base/compiler-specific.h"
#include "src/base/flags.h"
#include "src/compiler/graph-reducer.h"
#include "src/compiler/opcodes.h"
#include "src/globals.h"
namespace v8 {
namespace internal {
// Forward declarations.
class CompilationDependencies;
class Factory;
namespace compiler {
// Forward declarations.
class CommonOperatorBuilder;
class JSGraph;
class JSOperatorBuilder;
class SimplifiedOperatorBuilder;
class TypeCache;
// Lowers JS-level operators to simplified operators based on types.
class V8_EXPORT_PRIVATE JSTypedLowering final
: public NON_EXPORTED_BASE(AdvancedReducer) {
public:
// Flags that control the mode of operation.
enum Flag {
kNoFlags = 0u,
kDeoptimizationEnabled = 1u << 0,
};
typedef base::Flags<Flag> Flags;
JSTypedLowering(Editor* editor, CompilationDependencies* dependencies,
Flags flags, JSGraph* jsgraph, Zone* zone);
~JSTypedLowering() final {}
Reduction Reduce(Node* node) final;
private:
friend class JSBinopReduction;
Reduction ReduceJSAdd(Node* node);
Reduction ReduceJSComparison(Node* node);
Reduction ReduceJSLoadNamed(Node* node);
Reduction ReduceJSLoadProperty(Node* node);
Reduction ReduceJSStoreProperty(Node* node);
Reduction ReduceJSOrdinaryHasInstance(Node* node);
Reduction ReduceJSLoadContext(Node* node);
Reduction ReduceJSStoreContext(Node* node);
Reduction ReduceJSLoadModule(Node* node);
Reduction ReduceJSStoreModule(Node* node);
Reduction ReduceJSEqualTypeOf(Node* node, bool invert);
Reduction ReduceJSEqual(Node* node, bool invert);
Reduction ReduceJSStrictEqual(Node* node, bool invert);
Reduction ReduceJSToBoolean(Node* node);
Reduction ReduceJSToInteger(Node* node);
Reduction ReduceJSToLength(Node* node);
Reduction ReduceJSToName(Node* node);
Reduction ReduceJSToNumberInput(Node* input);
Reduction ReduceJSToNumber(Node* node);
Reduction ReduceJSToStringInput(Node* input);
Reduction ReduceJSToString(Node* node);
Reduction ReduceJSToObject(Node* node);
Reduction ReduceJSConvertReceiver(Node* node);
Reduction ReduceJSConstruct(Node* node);
Reduction ReduceJSCallForwardVarargs(Node* node);
Reduction ReduceJSCall(Node* node);
Reduction ReduceJSForInNext(Node* node);
Reduction ReduceJSLoadMessage(Node* node);
Reduction ReduceJSStoreMessage(Node* node);
Reduction ReduceJSGeneratorStore(Node* node);
Reduction ReduceJSGeneratorRestoreContinuation(Node* node);
Reduction ReduceJSGeneratorRestoreRegister(Node* node);
Reduction ReduceJSTypeOf(Node* node);
Reduction ReduceNumberBinop(Node* node);
Reduction ReduceInt32Binop(Node* node);
Reduction ReduceUI32Shift(Node* node, Signedness signedness);
Reduction ReduceCreateConsString(Node* node);
Reduction ReduceSpeculativeNumberAdd(Node* node);
Reduction ReduceSpeculativeNumberBinop(Node* node);
Factory* factory() const;
Graph* graph() const;
JSGraph* jsgraph() const { return jsgraph_; }
Isolate* isolate() const;
JSOperatorBuilder* javascript() const;
CommonOperatorBuilder* common() const;
SimplifiedOperatorBuilder* simplified() const;
CompilationDependencies* dependencies() const;
Flags flags() const { return flags_; }
CompilationDependencies* dependencies_;
Flags flags_;
JSGraph* jsgraph_;
Type* shifted_int32_ranges_[4];
Type* pointer_comparable_type_;
TypeCache const& type_cache_;
};
DEFINE_OPERATORS_FOR_FLAGS(JSTypedLowering::Flags)
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_JS_TYPED_LOWERING_H_
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