// 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 ReduceJSGetTemplateObject(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_