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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_OPERATOR_PROPERTIES_H_ | 5 #ifndef V8_COMPILER_OPERATOR_PROPERTIES_H_ |
| 6 #define V8_COMPILER_OPERATOR_PROPERTIES_H_ | 6 #define V8_COMPILER_OPERATOR_PROPERTIES_H_ |
| 7 | 7 |
| 8 #include "src/base/macros.h" | 8 #include "src/base/macros.h" |
| 9 | 9 |
| 10 namespace v8 { | 10 namespace v8 { |
| 11 namespace internal { | 11 namespace internal { |
| 12 namespace compiler { | 12 namespace compiler { |
| 13 | 13 |
| 14 // Forward declarations. | 14 // Forward declarations. |
| 15 class Operator; | 15 class Operator; |
| 16 | 16 |
| 17 | 17 |
| 18 class OperatorProperties FINAL { | 18 class OperatorProperties FINAL { |
| 19 public: | 19 public: |
| 20 static bool HasContextInput(const Operator* op); | 20 static bool HasContextInput(const Operator* op); |
| 21 static bool HasFrameStateInput(const Operator* op); | |
| 22 | |
| 23 static int GetContextInputCount(const Operator* op) { | 21 static int GetContextInputCount(const Operator* op) { |
| 24 return HasContextInput(op) ? 1 : 0; | 22 return HasContextInput(op) ? 1 : 0; |
| 25 } | 23 } |
| 26 static int GetFrameStateInputCount(const Operator* op) { | 24 static int GetFrameStateInputCount(const Operator* op); |
| 27 return HasFrameStateInput(op) ? 1 : 0; | 25 |
| 28 } | |
| 29 static int GetTotalInputCount(const Operator* op); | 26 static int GetTotalInputCount(const Operator* op); |
| 30 | 27 |
| 31 static bool IsBasicBlockBegin(const Operator* op); | 28 static bool IsBasicBlockBegin(const Operator* op); |
| 32 | 29 |
| 33 private: | 30 private: |
| 34 DISALLOW_COPY_AND_ASSIGN(OperatorProperties); | 31 DISALLOW_COPY_AND_ASSIGN(OperatorProperties); |
| 35 }; | 32 }; |
| 36 | 33 |
| 37 } // namespace compiler | 34 } // namespace compiler |
| 38 } // namespace internal | 35 } // namespace internal |
| 39 } // namespace v8 | 36 } // namespace v8 |
| 40 | 37 |
| 41 #endif // V8_COMPILER_OPERATOR_PROPERTIES_H_ | 38 #endif // V8_COMPILER_OPERATOR_PROPERTIES_H_ |
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