| // 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/compiler/graph-reducer.h" |
| #include "src/compiler/simplified-operator.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Forward declarations. |
| class CommonOperatorBuilder; |
| class JSGraph; |
| class JSOperatorBuilder; |
| class MachineOperatorBuilder; |
| |
| |
| // Lowers JS-level operators to simplified operators based on types. |
| class JSTypedLowering FINAL : public Reducer { |
| public: |
| JSTypedLowering(JSGraph* jsgraph, Zone* zone); |
| ~JSTypedLowering() FINAL {} |
| |
| Reduction Reduce(Node* node) FINAL; |
| |
| private: |
| friend class JSBinopReduction; |
| |
| Reduction ReplaceEagerly(Node* old, Node* node); |
| Reduction ReduceJSAdd(Node* node); |
| Reduction ReduceJSBitwiseOr(Node* node); |
| Reduction ReduceJSMultiply(Node* node); |
| Reduction ReduceJSComparison(Node* node); |
| Reduction ReduceJSLoadProperty(Node* node); |
| Reduction ReduceJSStoreProperty(Node* node); |
| Reduction ReduceJSLoadContext(Node* node); |
| Reduction ReduceJSStoreContext(Node* node); |
| Reduction ReduceJSEqual(Node* node, bool invert); |
| Reduction ReduceJSStrictEqual(Node* node, bool invert); |
| Reduction ReduceJSUnaryNot(Node* node); |
| Reduction ReduceJSToBoolean(Node* node); |
| Reduction ReduceJSToNumberInput(Node* input); |
| Reduction ReduceJSToNumber(Node* node); |
| Reduction ReduceJSToStringInput(Node* input); |
| Reduction ReduceJSToString(Node* node); |
| Reduction ReduceNumberBinop(Node* node, const Operator* numberOp); |
| Reduction ReduceInt32Binop(Node* node, const Operator* intOp); |
| Reduction ReduceUI32Shift(Node* node, Signedness left_signedness, |
| const Operator* shift_op); |
| |
| Node* ConvertToNumber(Node* input); |
| template <IrOpcode::Value> |
| Node* FindConversion(Node* input); |
| void InsertConversion(Node* conversion); |
| |
| Node* Word32Shl(Node* const lhs, int32_t const rhs); |
| |
| Factory* factory() const; |
| Graph* graph() const; |
| JSGraph* jsgraph() const { return jsgraph_; } |
| JSOperatorBuilder* javascript() const; |
| CommonOperatorBuilder* common() const; |
| SimplifiedOperatorBuilder* simplified() { return &simplified_; } |
| MachineOperatorBuilder* machine() const; |
| |
| JSGraph* jsgraph_; |
| SimplifiedOperatorBuilder simplified_; |
| ZoneVector<Node*> conversions_; // Cache inserted JSToXXX() conversions. |
| Type* zero_range_; |
| Type* one_range_; |
| Type* zero_thirtyone_range_; |
| Type* shifted_int32_ranges_[4]; |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_JS_TYPED_LOWERING_H_ |