| // 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/flags.h" |
| #include "src/compiler/graph-reducer.h" |
| #include "src/compiler/opcodes.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Forward declarations. |
| class CompilationDependencies; |
| class Factory; |
| class TypeCache; |
| |
| |
| namespace compiler { |
| |
| // Forward declarations. |
| class CommonOperatorBuilder; |
| class JSGraph; |
| class JSOperatorBuilder; |
| class MachineOperatorBuilder; |
| class SimplifiedOperatorBuilder; |
| |
| |
| // Lowers JS-level operators to simplified operators based on types. |
| class JSTypedLowering final : public AdvancedReducer { |
| public: |
| // Flags that control the mode of operation. |
| enum Flag { |
| kNoFlags = 0u, |
| kDeoptimizationEnabled = 1u << 0, |
| kDisableBinaryOpReduction = 1u << 1, |
| }; |
| 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 ReduceJSModulus(Node* node); |
| Reduction ReduceJSBitwiseOr(Node* node); |
| Reduction ReduceJSMultiply(Node* node); |
| Reduction ReduceJSComparison(Node* node); |
| Reduction ReduceJSLoadNamed(Node* node); |
| Reduction ReduceJSLoadProperty(Node* node); |
| Reduction ReduceJSStoreProperty(Node* node); |
| Reduction ReduceJSInstanceOf(Node* node); |
| Reduction ReduceJSLoadContext(Node* node); |
| Reduction ReduceJSStoreContext(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 ReduceJSToNumberInput(Node* input); |
| Reduction ReduceJSToNumber(Node* node); |
| Reduction ReduceJSToStringInput(Node* input); |
| Reduction ReduceJSToString(Node* node); |
| Reduction ReduceJSToObject(Node* node); |
| Reduction ReduceJSConvertReceiver(Node* node); |
| Reduction ReduceJSCallConstruct(Node* node); |
| Reduction ReduceJSCallFunction(Node* node); |
| Reduction ReduceJSForInDone(Node* node); |
| Reduction ReduceJSForInNext(Node* node); |
| Reduction ReduceJSForInStep(Node* node); |
| Reduction ReduceSelect(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* Word32Shl(Node* const lhs, int32_t const rhs); |
| |
| Factory* factory() const; |
| Graph* graph() const; |
| JSGraph* jsgraph() const { return jsgraph_; } |
| Isolate* isolate() const; |
| JSOperatorBuilder* javascript() const; |
| CommonOperatorBuilder* common() const; |
| SimplifiedOperatorBuilder* simplified() const; |
| MachineOperatorBuilder* machine() const; |
| CompilationDependencies* dependencies() const; |
| Flags flags() const { return flags_; } |
| |
| CompilationDependencies* dependencies_; |
| Flags flags_; |
| JSGraph* jsgraph_; |
| Type* shifted_int32_ranges_[4]; |
| Type* const true_type_; |
| Type* const false_type_; |
| Type* const the_hole_type_; |
| TypeCache const& type_cache_; |
| }; |
| |
| DEFINE_OPERATORS_FOR_FLAGS(JSTypedLowering::Flags) |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_JS_TYPED_LOWERING_H_ |