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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_COMPILER_COMMON_OPERATOR_H_ | 5 #ifndef V8_COMPILER_COMMON_OPERATOR_H_ |
| 6 #define V8_COMPILER_COMMON_OPERATOR_H_ | 6 #define V8_COMPILER_COMMON_OPERATOR_H_ |
| 7 | 7 |
| 8 #include "src/v8.h" | 8 #include "src/v8.h" |
| 9 | 9 |
| 10 #include "src/assembler.h" | 10 #include "src/assembler.h" |
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| 36 CallOperator(CallDescriptor* descriptor, const char* mnemonic) | 36 CallOperator(CallDescriptor* descriptor, const char* mnemonic) |
| 37 : Operator1<CallDescriptor*>( | 37 : Operator1<CallDescriptor*>( |
| 38 IrOpcode::kCall, descriptor->properties(), descriptor->InputCount(), | 38 IrOpcode::kCall, descriptor->properties(), descriptor->InputCount(), |
| 39 descriptor->ReturnCount(), mnemonic, descriptor) {} | 39 descriptor->ReturnCount(), mnemonic, descriptor) {} |
| 40 | 40 |
| 41 virtual OStream& PrintParameter(OStream& os) const { // NOLINT | 41 virtual OStream& PrintParameter(OStream& os) const { // NOLINT |
| 42 return os << "[" << *parameter() << "]"; | 42 return os << "[" << *parameter() << "]"; |
| 43 } | 43 } |
| 44 }; | 44 }; |
| 45 | 45 |
| 46 class FrameStateDescriptor { | |
| 47 public: | |
| 48 explicit FrameStateDescriptor(BailoutId bailout_id) | |
| 49 : bailout_id_(bailout_id) {} | |
| 50 | |
| 51 BailoutId bailout_id() const { return bailout_id_; } | |
| 52 | |
| 53 private: | |
| 54 BailoutId bailout_id_; | |
| 55 }; | |
| 56 | |
| 57 // Interface for building common operators that can be used at any level of IR, | 46 // Interface for building common operators that can be used at any level of IR, |
| 58 // including JavaScript, mid-level, and low-level. | 47 // including JavaScript, mid-level, and low-level. |
| 59 // TODO(titzer): Move the mnemonics into SimpleOperator and Operator1 classes. | 48 // TODO(titzer): Move the mnemonics into SimpleOperator and Operator1 classes. |
| 60 class CommonOperatorBuilder { | 49 class CommonOperatorBuilder { |
| 61 public: | 50 public: |
| 62 explicit CommonOperatorBuilder(Zone* zone) : zone_(zone) {} | 51 explicit CommonOperatorBuilder(Zone* zone) : zone_(zone) {} |
| 63 | 52 |
| 64 #define CONTROL_OP(name, inputs, controls) \ | 53 #define CONTROL_OP(name, inputs, controls) \ |
| 65 return new (zone_) ControlOperator(IrOpcode::k##name, Operator::kFoldable, \ | 54 return new (zone_) ControlOperator(IrOpcode::k##name, Operator::kFoldable, \ |
| 66 inputs, 0, controls, #name); | 55 inputs, 0, controls, #name); |
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| 134 Operator* Phi(int arguments) { | 123 Operator* Phi(int arguments) { |
| 135 DCHECK(arguments > 0); // Disallow empty phis. | 124 DCHECK(arguments > 0); // Disallow empty phis. |
| 136 return new (zone_) Operator1<int>(IrOpcode::kPhi, Operator::kPure, | 125 return new (zone_) Operator1<int>(IrOpcode::kPhi, Operator::kPure, |
| 137 arguments, 1, "Phi", arguments); | 126 arguments, 1, "Phi", arguments); |
| 138 } | 127 } |
| 139 Operator* EffectPhi(int arguments) { | 128 Operator* EffectPhi(int arguments) { |
| 140 DCHECK(arguments > 0); // Disallow empty phis. | 129 DCHECK(arguments > 0); // Disallow empty phis. |
| 141 return new (zone_) Operator1<int>(IrOpcode::kEffectPhi, Operator::kPure, 0, | 130 return new (zone_) Operator1<int>(IrOpcode::kEffectPhi, Operator::kPure, 0, |
| 142 0, "EffectPhi", arguments); | 131 0, "EffectPhi", arguments); |
| 143 } | 132 } |
| 144 Operator* FrameState(const FrameStateDescriptor& descriptor) { | 133 Operator* StateValues(int arguments) { |
| 145 return new (zone_) Operator1<FrameStateDescriptor>( | 134 return new (zone_) Operator1<int>(IrOpcode::kStateValues, Operator::kPure, |
| 146 IrOpcode::kFrameState, Operator::kPure, 0, 1, "FrameState", descriptor); | 135 arguments, 1, "StateValues", arguments); |
| 136 } |
| 137 Operator* FrameState(BailoutId ast_id) { |
| 138 return new (zone_) Operator1<BailoutId>( |
| 139 IrOpcode::kFrameState, Operator::kPure, 3, 1, "FrameState", ast_id); |
| 147 } | 140 } |
| 148 Operator* Call(CallDescriptor* descriptor) { | 141 Operator* Call(CallDescriptor* descriptor) { |
| 149 return new (zone_) CallOperator(descriptor, "Call"); | 142 return new (zone_) CallOperator(descriptor, "Call"); |
| 150 } | 143 } |
| 151 Operator* Projection(int index) { | 144 Operator* Projection(int index) { |
| 152 return new (zone_) Operator1<int>(IrOpcode::kProjection, Operator::kPure, 1, | 145 return new (zone_) Operator1<int>(IrOpcode::kProjection, Operator::kPure, 1, |
| 153 1, "Projection", index); | 146 1, "Projection", index); |
| 154 } | 147 } |
| 155 | 148 |
| 156 private: | 149 private: |
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| 282 | 275 |
| 283 template <typename T> | 276 template <typename T> |
| 284 inline T ValueOf(Operator* op) { | 277 inline T ValueOf(Operator* op) { |
| 285 return CommonOperatorTraits<T>::ValueOf(op); | 278 return CommonOperatorTraits<T>::ValueOf(op); |
| 286 } | 279 } |
| 287 } | 280 } |
| 288 } | 281 } |
| 289 } // namespace v8::internal::compiler | 282 } // namespace v8::internal::compiler |
| 290 | 283 |
| 291 #endif // V8_COMPILER_COMMON_OPERATOR_H_ | 284 #endif // V8_COMPILER_COMMON_OPERATOR_H_ |
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