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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_TYPE_CACHE_H_ | 5 #ifndef V8_TYPE_CACHE_H_ |
6 #define V8_TYPE_CACHE_H_ | 6 #define V8_TYPE_CACHE_H_ |
7 | 7 |
8 #include "src/types.h" | 8 #include "src/types.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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43 | 43 |
44 Type* const kSingletonZero = CreateRange(0.0, 0.0); | 44 Type* const kSingletonZero = CreateRange(0.0, 0.0); |
45 Type* const kSingletonOne = CreateRange(1.0, 1.0); | 45 Type* const kSingletonOne = CreateRange(1.0, 1.0); |
46 Type* const kSingletonTen = CreateRange(10.0, 10.0); | 46 Type* const kSingletonTen = CreateRange(10.0, 10.0); |
47 Type* const kSingletonMinusOne = CreateRange(-1.0, -1.0); | 47 Type* const kSingletonMinusOne = CreateRange(-1.0, -1.0); |
48 Type* const kZeroOrUndefined = | 48 Type* const kZeroOrUndefined = |
49 Type::Union(kSingletonZero, Type::Undefined(), zone()); | 49 Type::Union(kSingletonZero, Type::Undefined(), zone()); |
50 Type* const kTenOrUndefined = | 50 Type* const kTenOrUndefined = |
51 Type::Union(kSingletonTen, Type::Undefined(), zone()); | 51 Type::Union(kSingletonTen, Type::Undefined(), zone()); |
52 Type* const kMinusOneOrZero = CreateRange(-1.0, 0.0); | 52 Type* const kMinusOneOrZero = CreateRange(-1.0, 0.0); |
53 Type* const kMinusOneToOne = CreateRange(-1.0, 1.0); | 53 Type* const kMinusOneToOneOrMinusZeroOrNaN = Type::Union( |
| 54 Type::Union(CreateRange(-1.0, 1.0), Type::MinusZero(), zone()), |
| 55 Type::NaN(), zone()); |
54 Type* const kZeroOrOne = CreateRange(0.0, 1.0); | 56 Type* const kZeroOrOne = CreateRange(0.0, 1.0); |
55 Type* const kZeroOrOneOrNaN = Type::Union(kZeroOrOne, Type::NaN(), zone()); | 57 Type* const kZeroOrOneOrNaN = Type::Union(kZeroOrOne, Type::NaN(), zone()); |
56 Type* const kZeroToThirtyOne = CreateRange(0.0, 31.0); | 58 Type* const kZeroToThirtyOne = CreateRange(0.0, 31.0); |
57 Type* const kZeroToThirtyTwo = CreateRange(0.0, 32.0); | 59 Type* const kZeroToThirtyTwo = CreateRange(0.0, 32.0); |
58 Type* const kZeroish = | 60 Type* const kZeroish = |
59 Type::Union(kSingletonZero, Type::MinusZeroOrNaN(), zone()); | 61 Type::Union(kSingletonZero, Type::MinusZeroOrNaN(), zone()); |
60 Type* const kInteger = CreateRange(-V8_INFINITY, V8_INFINITY); | 62 Type* const kInteger = CreateRange(-V8_INFINITY, V8_INFINITY); |
61 Type* const kIntegerOrMinusZero = | 63 Type* const kIntegerOrMinusZero = |
62 Type::Union(kInteger, Type::MinusZero(), zone()); | 64 Type::Union(kInteger, Type::MinusZero(), zone()); |
63 Type* const kIntegerOrMinusZeroOrNaN = | 65 Type* const kIntegerOrMinusZeroOrNaN = |
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165 return Type::Range(min, max, zone()); | 167 return Type::Range(min, max, zone()); |
166 } | 168 } |
167 | 169 |
168 Zone* zone() { return &zone_; } | 170 Zone* zone() { return &zone_; } |
169 }; | 171 }; |
170 | 172 |
171 } // namespace internal | 173 } // namespace internal |
172 } // namespace v8 | 174 } // namespace v8 |
173 | 175 |
174 #endif // V8_TYPE_CACHE_H_ | 176 #endif // V8_TYPE_CACHE_H_ |
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