1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_COMPILER_JS_INTRINSIC_LOWERING_H_ 6 #define V8_COMPILER_JS_INTRINSIC_LOWERING_H_ 7 8 #include "src/base/compiler-specific.h" 9 #include "src/compiler/common-operator.h" 10 #include "src/compiler/graph-reducer.h" 11 #include "src/globals.h" 12 13 namespace v8 { 14 namespace internal { 15 16 // Forward declarations. 17 class Callable; 18 19 20 namespace compiler { 21 22 // Forward declarations. 23 class CommonOperatorBuilder; 24 class JSOperatorBuilder; 25 class JSGraph; 26 class SimplifiedOperatorBuilder; 27 28 29 // Lowers certain JS-level runtime calls. 30 class V8_EXPORT_PRIVATE JSIntrinsicLowering final NON_EXPORTED_BASE(AdvancedReducer)31 : public NON_EXPORTED_BASE(AdvancedReducer) { 32 public: 33 enum DeoptimizationMode { kDeoptimizationEnabled, kDeoptimizationDisabled }; 34 35 JSIntrinsicLowering(Editor* editor, JSGraph* jsgraph, 36 DeoptimizationMode mode); 37 ~JSIntrinsicLowering() final {} 38 39 Reduction Reduce(Node* node) final; 40 41 private: 42 Reduction ReduceCreateIterResultObject(Node* node); 43 Reduction ReduceDeoptimizeNow(Node* node); 44 Reduction ReduceGeneratorClose(Node* node); 45 Reduction ReduceGeneratorGetInputOrDebugPos(Node* node); 46 Reduction ReduceGeneratorGetResumeMode(Node* node); 47 Reduction ReduceIsInstanceType(Node* node, InstanceType instance_type); 48 Reduction ReduceIsJSReceiver(Node* node); 49 Reduction ReduceIsSmi(Node* node); 50 Reduction ReduceFixedArrayGet(Node* node); 51 Reduction ReduceFixedArraySet(Node* node); 52 Reduction ReduceRegExpExec(Node* node); 53 Reduction ReduceSubString(Node* node); 54 Reduction ReduceToInteger(Node* node); 55 Reduction ReduceToLength(Node* node); 56 Reduction ReduceToNumber(Node* node); 57 Reduction ReduceToObject(Node* node); 58 Reduction ReduceToString(Node* node); 59 Reduction ReduceCall(Node* node); 60 Reduction ReduceNewObject(Node* node); 61 Reduction ReduceGetSuperConstructor(Node* node); 62 63 Reduction Change(Node* node, const Operator* op); 64 Reduction Change(Node* node, const Operator* op, Node* a, Node* b); 65 Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c); 66 Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c, 67 Node* d); 68 Reduction Change(Node* node, Callable const& callable, 69 int stack_parameter_count); 70 71 Graph* graph() const; 72 JSGraph* jsgraph() const { return jsgraph_; } 73 Isolate* isolate() const; 74 CommonOperatorBuilder* common() const; 75 JSOperatorBuilder* javascript() const; 76 SimplifiedOperatorBuilder* simplified() const; 77 DeoptimizationMode mode() const { return mode_; } 78 79 JSGraph* const jsgraph_; 80 DeoptimizationMode const mode_; 81 }; 82 83 } // namespace compiler 84 } // namespace internal 85 } // namespace v8 86 87 #endif // V8_COMPILER_JS_INTRINSIC_LOWERING_H_ 88