| OLD | NEW |
| 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/compiler/machine-type.h" | 8 #include "src/compiler/machine-type.h" |
| 9 #include "src/unique.h" | |
| 10 | 9 |
| 11 namespace v8 { | 10 namespace v8 { |
| 12 namespace internal { | 11 namespace internal { |
| 13 | 12 |
| 14 // Forward declarations. | 13 // Forward declarations. |
| 15 class ExternalReference; | 14 class ExternalReference; |
| 16 class OStream; | 15 class OStream; |
| 16 template <typename> |
| 17 class Unique; |
| 18 class Zone; |
| 17 | 19 |
| 18 | 20 |
| 19 namespace compiler { | 21 namespace compiler { |
| 20 | 22 |
| 21 // Forward declarations. | 23 // Forward declarations. |
| 22 class CallDescriptor; | 24 class CallDescriptor; |
| 23 struct CommonOperatorBuilderImpl; | 25 struct CommonOperatorBuilderImpl; |
| 24 class Operator; | 26 class Operator; |
| 25 | 27 |
| 26 | 28 |
| 27 // Flag that describes how to combine the current environment with | 29 // Flag that describes how to combine the current environment with |
| 28 // the output of a node to obtain a framestate for lazy bailout. | 30 // the output of a node to obtain a framestate for lazy bailout. |
| 29 enum OutputFrameStateCombine { | 31 enum OutputFrameStateCombine { |
| 30 kPushOutput, // Push the output on the expression stack. | 32 kPushOutput, // Push the output on the expression stack. |
| 31 kIgnoreOutput // Use the frame state as-is. | 33 kIgnoreOutput // Use the frame state as-is. |
| 32 }; | 34 }; |
| 33 | 35 |
| 34 | 36 |
| 35 // The type of stack frame that a FrameState node represents. | |
| 36 enum FrameStateType { | |
| 37 JS_FRAME, // Represents an unoptimized JavaScriptFrame. | |
| 38 ARGUMENTS_ADAPTOR // Represents an ArgumentsAdaptorFrame. | |
| 39 }; | |
| 40 | |
| 41 | |
| 42 class FrameStateCallInfo FINAL { | 37 class FrameStateCallInfo FINAL { |
| 43 public: | 38 public: |
| 44 FrameStateCallInfo( | 39 FrameStateCallInfo(BailoutId bailout_id, |
| 45 FrameStateType type, BailoutId bailout_id, | 40 OutputFrameStateCombine state_combine) |
| 46 OutputFrameStateCombine state_combine, | 41 : bailout_id_(bailout_id), frame_state_combine_(state_combine) {} |
| 47 MaybeHandle<JSFunction> jsfunction = MaybeHandle<JSFunction>()) | |
| 48 : type_(type), | |
| 49 bailout_id_(bailout_id), | |
| 50 frame_state_combine_(state_combine), | |
| 51 jsfunction_(jsfunction) {} | |
| 52 | 42 |
| 53 FrameStateType type() const { return type_; } | |
| 54 BailoutId bailout_id() const { return bailout_id_; } | 43 BailoutId bailout_id() const { return bailout_id_; } |
| 55 OutputFrameStateCombine state_combine() const { return frame_state_combine_; } | 44 OutputFrameStateCombine state_combine() const { return frame_state_combine_; } |
| 56 MaybeHandle<JSFunction> jsfunction() const { return jsfunction_; } | |
| 57 | 45 |
| 58 private: | 46 private: |
| 59 FrameStateType type_; | |
| 60 BailoutId bailout_id_; | 47 BailoutId bailout_id_; |
| 61 OutputFrameStateCombine frame_state_combine_; | 48 OutputFrameStateCombine frame_state_combine_; |
| 62 MaybeHandle<JSFunction> jsfunction_; | |
| 63 }; | 49 }; |
| 64 | 50 |
| 65 | 51 |
| 66 // Interface for building common operators that can be used at any level of IR, | 52 // Interface for building common operators that can be used at any level of IR, |
| 67 // including JavaScript, mid-level, and low-level. | 53 // including JavaScript, mid-level, and low-level. |
| 68 class CommonOperatorBuilder FINAL { | 54 class CommonOperatorBuilder FINAL { |
| 69 public: | 55 public: |
| 70 explicit CommonOperatorBuilder(Zone* zone); | 56 explicit CommonOperatorBuilder(Zone* zone); |
| 71 | 57 |
| 72 const Operator* Dead(); | 58 const Operator* Dead(); |
| (...skipping 15 matching lines...) Expand all Loading... |
| 88 const Operator* ExternalConstant(const ExternalReference&); | 74 const Operator* ExternalConstant(const ExternalReference&); |
| 89 const Operator* NumberConstant(volatile double); | 75 const Operator* NumberConstant(volatile double); |
| 90 const Operator* HeapConstant(const Unique<Object>&); | 76 const Operator* HeapConstant(const Unique<Object>&); |
| 91 | 77 |
| 92 const Operator* Phi(MachineType type, int arguments); | 78 const Operator* Phi(MachineType type, int arguments); |
| 93 const Operator* EffectPhi(int arguments); | 79 const Operator* EffectPhi(int arguments); |
| 94 const Operator* ControlEffect(); | 80 const Operator* ControlEffect(); |
| 95 const Operator* ValueEffect(int arguments); | 81 const Operator* ValueEffect(int arguments); |
| 96 const Operator* Finish(int arguments); | 82 const Operator* Finish(int arguments); |
| 97 const Operator* StateValues(int arguments); | 83 const Operator* StateValues(int arguments); |
| 98 const Operator* FrameState( | 84 const Operator* FrameState(BailoutId bailout_id, |
| 99 FrameStateType type, BailoutId bailout_id, | 85 OutputFrameStateCombine combine); |
| 100 OutputFrameStateCombine state_combine, | |
| 101 MaybeHandle<JSFunction> jsfunction = MaybeHandle<JSFunction>()); | |
| 102 const Operator* Call(const CallDescriptor* descriptor); | 86 const Operator* Call(const CallDescriptor* descriptor); |
| 103 const Operator* Projection(size_t index); | 87 const Operator* Projection(size_t index); |
| 104 | 88 |
| 105 private: | 89 private: |
| 106 Zone* zone() const { return zone_; } | 90 Zone* zone() const { return zone_; } |
| 107 | 91 |
| 108 const CommonOperatorBuilderImpl& impl_; | 92 const CommonOperatorBuilderImpl& impl_; |
| 109 Zone* const zone_; | 93 Zone* const zone_; |
| 110 }; | 94 }; |
| 111 | 95 |
| 112 } // namespace compiler | 96 } // namespace compiler |
| 113 } // namespace internal | 97 } // namespace internal |
| 114 } // namespace v8 | 98 } // namespace v8 |
| 115 | 99 |
| 116 #endif // V8_COMPILER_COMMON_OPERATOR_H_ | 100 #endif // V8_COMPILER_COMMON_OPERATOR_H_ |
| OLD | NEW |