| // Copyright 2016 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_CREATE_LOWERING_H_ |
| #define V8_COMPILER_JS_CREATE_LOWERING_H_ |
| |
| #include "src/base/compiler-specific.h" |
| #include "src/common/globals.h" |
| #include "src/compiler/graph-reducer.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Forward declarations. |
| class AllocationSiteUsageContext; |
| class Factory; |
| class JSRegExp; |
| |
| namespace compiler { |
| |
| // Forward declarations. |
| class CommonOperatorBuilder; |
| class CompilationDependencies; |
| class JSGraph; |
| class JSOperatorBuilder; |
| class MachineOperatorBuilder; |
| class SimplifiedOperatorBuilder; |
| class SlackTrackingPrediction; |
| |
| // Lowers JSCreate-level operators to fast (inline) allocations. |
| class V8_EXPORT_PRIVATE JSCreateLowering final |
| : public NON_EXPORTED_BASE(AdvancedReducer) { |
| public: |
| JSCreateLowering(Editor* editor, CompilationDependencies* dependencies, |
| JSGraph* jsgraph, JSHeapBroker* broker, Zone* zone) |
| : AdvancedReducer(editor), |
| dependencies_(dependencies), |
| jsgraph_(jsgraph), |
| broker_(broker), |
| zone_(zone) {} |
| ~JSCreateLowering() final = default; |
| |
| const char* reducer_name() const override { return "JSCreateLowering"; } |
| |
| Reduction Reduce(Node* node) final; |
| |
| private: |
| Reduction ReduceJSCreate(Node* node); |
| Reduction ReduceJSCreateArguments(Node* node); |
| Reduction ReduceJSCreateArray(Node* node); |
| Reduction ReduceJSCreateArrayIterator(Node* node); |
| Reduction ReduceJSCreateAsyncFunctionObject(Node* node); |
| Reduction ReduceJSCreateCollectionIterator(Node* node); |
| Reduction ReduceJSCreateBoundFunction(Node* node); |
| Reduction ReduceJSCreateClosure(Node* node); |
| Reduction ReduceJSCreateIterResultObject(Node* node); |
| Reduction ReduceJSCreateStringIterator(Node* node); |
| Reduction ReduceJSCreateKeyValueArray(Node* node); |
| Reduction ReduceJSCreatePromise(Node* node); |
| Reduction ReduceJSCreateLiteralArrayOrObject(Node* node); |
| Reduction ReduceJSCreateEmptyLiteralObject(Node* node); |
| Reduction ReduceJSCreateEmptyLiteralArray(Node* node); |
| Reduction ReduceJSCreateLiteralRegExp(Node* node); |
| Reduction ReduceJSCreateFunctionContext(Node* node); |
| Reduction ReduceJSCreateWithContext(Node* node); |
| Reduction ReduceJSCreateCatchContext(Node* node); |
| Reduction ReduceJSCreateBlockContext(Node* node); |
| Reduction ReduceJSCreateGeneratorObject(Node* node); |
| Reduction ReduceNewArray( |
| Node* node, Node* length, MapRef initial_map, ElementsKind elements_kind, |
| AllocationType allocation, |
| const SlackTrackingPrediction& slack_tracking_prediction); |
| Reduction ReduceNewArray( |
| Node* node, Node* length, int capacity, MapRef initial_map, |
| ElementsKind elements_kind, AllocationType allocation, |
| const SlackTrackingPrediction& slack_tracking_prediction); |
| Reduction ReduceNewArray( |
| Node* node, std::vector<Node*> values, MapRef initial_map, |
| ElementsKind elements_kind, AllocationType allocation, |
| const SlackTrackingPrediction& slack_tracking_prediction); |
| Reduction ReduceJSCreateObject(Node* node); |
| |
| Node* AllocateArguments(Node* effect, Node* control, Node* frame_state); |
| Node* AllocateRestArguments(Node* effect, Node* control, Node* frame_state, |
| int start_index); |
| Node* AllocateAliasedArguments(Node* effect, Node* control, Node* frame_state, |
| Node* context, |
| const SharedFunctionInfoRef& shared, |
| bool* has_aliased_arguments); |
| Node* AllocateAliasedArguments(Node* effect, Node* control, Node* context, |
| Node* arguments_frame, Node* arguments_length, |
| const SharedFunctionInfoRef& shared, |
| bool* has_aliased_arguments); |
| Node* AllocateElements(Node* effect, Node* control, |
| ElementsKind elements_kind, int capacity, |
| AllocationType allocation); |
| Node* AllocateElements(Node* effect, Node* control, |
| ElementsKind elements_kind, Node* capacity_and_length); |
| Node* AllocateElements(Node* effect, Node* control, |
| ElementsKind elements_kind, |
| std::vector<Node*> const& values, |
| AllocationType allocation); |
| Node* AllocateFastLiteral(Node* effect, Node* control, |
| JSObjectRef boilerplate, AllocationType allocation); |
| Node* AllocateFastLiteralElements(Node* effect, Node* control, |
| JSObjectRef boilerplate, |
| AllocationType allocation); |
| Node* AllocateLiteralRegExp(Node* effect, Node* control, |
| JSRegExpRef boilerplate); |
| |
| Factory* factory() const; |
| Graph* graph() const; |
| JSGraph* jsgraph() const { return jsgraph_; } |
| NativeContextRef native_context() const; |
| CommonOperatorBuilder* common() const; |
| SimplifiedOperatorBuilder* simplified() const; |
| CompilationDependencies* dependencies() const { return dependencies_; } |
| JSHeapBroker* broker() const { return broker_; } |
| Zone* zone() const { return zone_; } |
| |
| CompilationDependencies* const dependencies_; |
| JSGraph* const jsgraph_; |
| JSHeapBroker* const broker_; |
| Zone* const zone_; |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_JS_CREATE_LOWERING_H_ |