// 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/compiler/graph-reducer.h" #include "src/compiler/opcodes.h" #include "src/globals.h" namespace v8 { namespace internal { // Forward declarations. class Factory; namespace compiler { // Forward declarations. class CommonOperatorBuilder; class JSGraph; class JSOperatorBuilder; class SimplifiedOperatorBuilder; class TypeCache; enum Signedness { kSigned, kUnsigned }; // Lowers JS-level operators to simplified operators based on types. class V8_EXPORT_PRIVATE JSTypedLowering final : public NON_EXPORTED_BASE(AdvancedReducer) { public: JSTypedLowering(Editor* editor, JSGraph* jsgraph, Zone* zone); ~JSTypedLowering() final {} const char* reducer_name() const override { return "JSTypedLowering"; } Reduction Reduce(Node* node) final; private: friend class JSBinopReduction; Reduction ReduceJSAdd(Node* node); Reduction ReduceJSBitwiseNot(Node* node); Reduction ReduceJSDecrement(Node* node); Reduction ReduceJSIncrement(Node* node); Reduction ReduceJSNegate(Node* node); Reduction ReduceJSComparison(Node* node); Reduction ReduceJSLoadNamed(Node* node); Reduction ReduceJSHasInPrototypeChain(Node* node); Reduction ReduceJSOrdinaryHasInstance(Node* node); Reduction ReduceJSLoadContext(Node* node); Reduction ReduceJSStoreContext(Node* node); Reduction ReduceJSLoadModule(Node* node); Reduction ReduceJSStoreModule(Node* node); Reduction ReduceJSEqual(Node* node); Reduction ReduceJSStrictEqual(Node* node); Reduction ReduceJSToInteger(Node* node); Reduction ReduceJSToLength(Node* node); Reduction ReduceJSToName(Node* node); Reduction ReduceJSToNumberOrNumericInput(Node* input); Reduction ReduceJSToNumberOrNumeric(Node* node); Reduction ReduceJSToStringInput(Node* input); Reduction ReduceJSToString(Node* node); Reduction ReduceJSToObject(Node* node); Reduction ReduceJSConstructForwardVarargs(Node* node); Reduction ReduceJSConstruct(Node* node); Reduction ReduceJSCallForwardVarargs(Node* node); Reduction ReduceJSCall(Node* node); Reduction ReduceJSForInNext(Node* node); Reduction ReduceJSForInPrepare(Node* node); Reduction ReduceJSLoadMessage(Node* node); Reduction ReduceJSStoreMessage(Node* node); Reduction ReduceJSGeneratorStore(Node* node); Reduction ReduceJSGeneratorRestoreContinuation(Node* node); Reduction ReduceJSGeneratorRestoreContext(Node* node); Reduction ReduceJSGeneratorRestoreRegister(Node* node); Reduction ReduceJSGeneratorRestoreInputOrDebugPos(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 ReduceSpeculativeNumberMultiply(Node* node); Reduction ReduceSpeculativeNumberBinop(Node* node); Reduction ReduceSpeculativeNumberComparison(Node* node); // Helper for ReduceJSLoadModule and ReduceJSStoreModule. Node* BuildGetModuleCell(Node* node); // Helpers for ReduceJSCreateConsString. Node* BuildGetStringLength(Node* value); Factory* factory() const; Graph* graph() const; JSGraph* jsgraph() const { return jsgraph_; } Isolate* isolate() const; JSOperatorBuilder* javascript() const; CommonOperatorBuilder* common() const; SimplifiedOperatorBuilder* simplified() const; JSGraph* jsgraph_; Type* empty_string_type_; Type* pointer_comparable_type_; TypeCache const& type_cache_; }; } // namespace compiler } // namespace internal } // namespace v8 #endif // V8_COMPILER_JS_TYPED_LOWERING_H_