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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_SIMPLIFIED_OPERATOR_H_ | 5 #ifndef V8_COMPILER_SIMPLIFIED_OPERATOR_H_ |
6 #define V8_COMPILER_SIMPLIFIED_OPERATOR_H_ | 6 #define V8_COMPILER_SIMPLIFIED_OPERATOR_H_ |
7 | 7 |
8 #include <iosfwd> | 8 #include <iosfwd> |
9 | 9 |
10 #include "src/compiler/machine-type.h" | 10 #include "src/compiler/machine-type.h" |
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27 class Operator; | 27 class Operator; |
28 struct SimplifiedOperatorGlobalCache; | 28 struct SimplifiedOperatorGlobalCache; |
29 | 29 |
30 | 30 |
31 enum BaseTaggedness { kUntaggedBase, kTaggedBase }; | 31 enum BaseTaggedness { kUntaggedBase, kTaggedBase }; |
32 | 32 |
33 std::ostream& operator<<(std::ostream&, BaseTaggedness); | 33 std::ostream& operator<<(std::ostream&, BaseTaggedness); |
34 | 34 |
35 | 35 |
36 // An access descriptor for loads/stores of array buffers. | 36 // An access descriptor for loads/stores of array buffers. |
37 class BufferAccess FINAL { | 37 class BufferAccess final { |
38 public: | 38 public: |
39 explicit BufferAccess(ExternalArrayType external_array_type) | 39 explicit BufferAccess(ExternalArrayType external_array_type) |
40 : external_array_type_(external_array_type) {} | 40 : external_array_type_(external_array_type) {} |
41 | 41 |
42 ExternalArrayType external_array_type() const { return external_array_type_; } | 42 ExternalArrayType external_array_type() const { return external_array_type_; } |
43 MachineType machine_type() const; | 43 MachineType machine_type() const; |
44 | 44 |
45 private: | 45 private: |
46 ExternalArrayType const external_array_type_; | 46 ExternalArrayType const external_array_type_; |
47 }; | 47 }; |
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117 | 117 |
118 // Additional representations for intermediate code or non-JS code: | 118 // Additional representations for intermediate code or non-JS code: |
119 // - Int64: an untagged signed 64-bit integer | 119 // - Int64: an untagged signed 64-bit integer |
120 // - Uint64: an untagged unsigned 64-bit integer | 120 // - Uint64: an untagged unsigned 64-bit integer |
121 // - Float32: an untagged float32 | 121 // - Float32: an untagged float32 |
122 | 122 |
123 // Boolean values can be: | 123 // Boolean values can be: |
124 // - Bool: a tagged pointer to either the canonical JS #false or | 124 // - Bool: a tagged pointer to either the canonical JS #false or |
125 // the canonical JS #true object | 125 // the canonical JS #true object |
126 // - Bit: an untagged integer 0 or 1, but word-sized | 126 // - Bit: an untagged integer 0 or 1, but word-sized |
127 class SimplifiedOperatorBuilder FINAL { | 127 class SimplifiedOperatorBuilder final { |
128 public: | 128 public: |
129 explicit SimplifiedOperatorBuilder(Zone* zone); | 129 explicit SimplifiedOperatorBuilder(Zone* zone); |
130 | 130 |
131 const Operator* BooleanNot(); | 131 const Operator* BooleanNot(); |
132 const Operator* BooleanToNumber(); | 132 const Operator* BooleanToNumber(); |
133 | 133 |
134 const Operator* NumberEqual(); | 134 const Operator* NumberEqual(); |
135 const Operator* NumberLessThan(); | 135 const Operator* NumberLessThan(); |
136 const Operator* NumberLessThanOrEqual(); | 136 const Operator* NumberLessThanOrEqual(); |
137 const Operator* NumberAdd(); | 137 const Operator* NumberAdd(); |
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185 Zone* const zone_; | 185 Zone* const zone_; |
186 | 186 |
187 DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorBuilder); | 187 DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorBuilder); |
188 }; | 188 }; |
189 | 189 |
190 } // namespace compiler | 190 } // namespace compiler |
191 } // namespace internal | 191 } // namespace internal |
192 } // namespace v8 | 192 } // namespace v8 |
193 | 193 |
194 #endif // V8_COMPILER_SIMPLIFIED_OPERATOR_H_ | 194 #endif // V8_COMPILER_SIMPLIFIED_OPERATOR_H_ |
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