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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/compiler/machine-type.h" | 8 #include "src/compiler/machine-type.h" |
| 9 #include "src/unique.h" | 9 #include "src/unique.h" |
| 10 | 10 |
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| 26 // Prediction hint for branches. | 26 // Prediction hint for branches. |
| 27 enum class BranchHint : uint8_t { kNone, kTrue, kFalse }; | 27 enum class BranchHint : uint8_t { kNone, kTrue, kFalse }; |
| 28 | 28 |
| 29 inline size_t hash_value(BranchHint hint) { return static_cast<size_t>(hint); } | 29 inline size_t hash_value(BranchHint hint) { return static_cast<size_t>(hint); } |
| 30 | 30 |
| 31 std::ostream& operator<<(std::ostream&, BranchHint); | 31 std::ostream& operator<<(std::ostream&, BranchHint); |
| 32 | 32 |
| 33 BranchHint BranchHintOf(const Operator* const); | 33 BranchHint BranchHintOf(const Operator* const); |
| 34 | 34 |
| 35 | 35 |
| 36 class SelectParameters FINAL { | 36 class SelectParameters final { |
| 37 public: | 37 public: |
| 38 explicit SelectParameters(MachineType type, | 38 explicit SelectParameters(MachineType type, |
| 39 BranchHint hint = BranchHint::kNone) | 39 BranchHint hint = BranchHint::kNone) |
| 40 : type_(type), hint_(hint) {} | 40 : type_(type), hint_(hint) {} |
| 41 | 41 |
| 42 MachineType type() const { return type_; } | 42 MachineType type() const { return type_; } |
| 43 BranchHint hint() const { return hint_; } | 43 BranchHint hint() const { return hint_; } |
| 44 | 44 |
| 45 private: | 45 private: |
| 46 const MachineType type_; | 46 const MachineType type_; |
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| 115 }; | 115 }; |
| 116 | 116 |
| 117 | 117 |
| 118 // The type of stack frame that a FrameState node represents. | 118 // The type of stack frame that a FrameState node represents. |
| 119 enum FrameStateType { | 119 enum FrameStateType { |
| 120 JS_FRAME, // Represents an unoptimized JavaScriptFrame. | 120 JS_FRAME, // Represents an unoptimized JavaScriptFrame. |
| 121 ARGUMENTS_ADAPTOR // Represents an ArgumentsAdaptorFrame. | 121 ARGUMENTS_ADAPTOR // Represents an ArgumentsAdaptorFrame. |
| 122 }; | 122 }; |
| 123 | 123 |
| 124 | 124 |
| 125 class FrameStateCallInfo FINAL { | 125 class FrameStateCallInfo final { |
| 126 public: | 126 public: |
| 127 FrameStateCallInfo( | 127 FrameStateCallInfo( |
| 128 FrameStateType type, BailoutId bailout_id, | 128 FrameStateType type, BailoutId bailout_id, |
| 129 OutputFrameStateCombine state_combine, | 129 OutputFrameStateCombine state_combine, |
| 130 MaybeHandle<JSFunction> jsfunction = MaybeHandle<JSFunction>()) | 130 MaybeHandle<JSFunction> jsfunction = MaybeHandle<JSFunction>()) |
| 131 : type_(type), | 131 : type_(type), |
| 132 bailout_id_(bailout_id), | 132 bailout_id_(bailout_id), |
| 133 frame_state_combine_(state_combine), | 133 frame_state_combine_(state_combine), |
| 134 jsfunction_(jsfunction) {} | 134 jsfunction_(jsfunction) {} |
| 135 | 135 |
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| 151 size_t hash_value(FrameStateCallInfo const&); | 151 size_t hash_value(FrameStateCallInfo const&); |
| 152 | 152 |
| 153 std::ostream& operator<<(std::ostream&, FrameStateCallInfo const&); | 153 std::ostream& operator<<(std::ostream&, FrameStateCallInfo const&); |
| 154 | 154 |
| 155 | 155 |
| 156 size_t ProjectionIndexOf(const Operator* const); | 156 size_t ProjectionIndexOf(const Operator* const); |
| 157 | 157 |
| 158 | 158 |
| 159 // Interface for building common operators that can be used at any level of IR, | 159 // Interface for building common operators that can be used at any level of IR, |
| 160 // including JavaScript, mid-level, and low-level. | 160 // including JavaScript, mid-level, and low-level. |
| 161 class CommonOperatorBuilder FINAL : public ZoneObject { | 161 class CommonOperatorBuilder final : public ZoneObject { |
| 162 public: | 162 public: |
| 163 explicit CommonOperatorBuilder(Zone* zone); | 163 explicit CommonOperatorBuilder(Zone* zone); |
| 164 | 164 |
| 165 // Special operator used only in Branches to mark them as always taken, but | 165 // Special operator used only in Branches to mark them as always taken, but |
| 166 // still unfoldable. This is required to properly connect non terminating | 166 // still unfoldable. This is required to properly connect non terminating |
| 167 // loops to end (in both the sea of nodes and the CFG). | 167 // loops to end (in both the sea of nodes and the CFG). |
| 168 const Operator* Always(); | 168 const Operator* Always(); |
| 169 | 169 |
| 170 const Operator* Dead(); | 170 const Operator* Dead(); |
| 171 const Operator* End(); | 171 const Operator* End(); |
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| 224 Zone* const zone_; | 224 Zone* const zone_; |
| 225 | 225 |
| 226 DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder); | 226 DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder); |
| 227 }; | 227 }; |
| 228 | 228 |
| 229 } // namespace compiler | 229 } // namespace compiler |
| 230 } // namespace internal | 230 } // namespace internal |
| 231 } // namespace v8 | 231 } // namespace v8 |
| 232 | 232 |
| 233 #endif // V8_COMPILER_COMMON_OPERATOR_H_ | 233 #endif // V8_COMPILER_COMMON_OPERATOR_H_ |
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