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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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