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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_H_ | 5 #ifndef V8_COMPILER_OPERATOR_H_ |
6 #define V8_COMPILER_OPERATOR_H_ | 6 #define V8_COMPILER_OPERATOR_H_ |
7 | 7 |
8 #include <ostream> // NOLINT(readability/streams) | 8 #include <ostream> // NOLINT(readability/streams) |
9 | 9 |
10 #include "src/base/flags.h" | 10 #include "src/base/flags.h" |
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90 | 90 |
91 // TODO(titzer): convert return values here to size_t. | 91 // TODO(titzer): convert return values here to size_t. |
92 int ValueInputCount() const { return value_in_; } | 92 int ValueInputCount() const { return value_in_; } |
93 int EffectInputCount() const { return effect_in_; } | 93 int EffectInputCount() const { return effect_in_; } |
94 int ControlInputCount() const { return control_in_; } | 94 int ControlInputCount() const { return control_in_; } |
95 | 95 |
96 int ValueOutputCount() const { return value_out_; } | 96 int ValueOutputCount() const { return value_out_; } |
97 int EffectOutputCount() const { return effect_out_; } | 97 int EffectOutputCount() const { return effect_out_; } |
98 int ControlOutputCount() const { return control_out_; } | 98 int ControlOutputCount() const { return control_out_; } |
99 | 99 |
| 100 static size_t ZeroIfNoThrow(Properties properties) { |
| 101 return (properties & kNoThrow) == kNoThrow ? 0 : 2; |
| 102 } |
| 103 |
100 static size_t ZeroIfPure(Properties properties) { | 104 static size_t ZeroIfPure(Properties properties) { |
101 return (properties & kPure) == kPure ? 0 : 1; | 105 return (properties & kPure) == kPure ? 0 : 1; |
102 } | 106 } |
103 | 107 |
104 // TODO(titzer): API for input and output types, for typechecking graph. | 108 // TODO(titzer): API for input and output types, for typechecking graph. |
105 protected: | 109 protected: |
106 // Print the full operator into the given stream, including any | 110 // Print the full operator into the given stream, including any |
107 // static parameters. Useful for debugging and visualizing the IR. | 111 // static parameters. Useful for debugging and visualizing the IR. |
108 virtual void PrintTo(std::ostream& os) const; | 112 virtual void PrintTo(std::ostream& os) const; |
109 friend std::ostream& operator<<(std::ostream& os, const Operator& op); | 113 friend std::ostream& operator<<(std::ostream& os, const Operator& op); |
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190 return reinterpret_cast<const Operator1<double, base::bit_equal_to<double>, | 194 return reinterpret_cast<const Operator1<double, base::bit_equal_to<double>, |
191 base::bit_hash<double>>*>(op) | 195 base::bit_hash<double>>*>(op) |
192 ->parameter(); | 196 ->parameter(); |
193 } | 197 } |
194 | 198 |
195 } // namespace compiler | 199 } // namespace compiler |
196 } // namespace internal | 200 } // namespace internal |
197 } // namespace v8 | 201 } // namespace v8 |
198 | 202 |
199 #endif // V8_COMPILER_OPERATOR_H_ | 203 #endif // V8_COMPILER_OPERATOR_H_ |
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