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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_TYPES_H_ | 5 #ifndef V8_TYPES_H_ |
| 6 #define V8_TYPES_H_ | 6 #define V8_TYPES_H_ |
| 7 | 7 |
| 8 #include "src/conversions.h" | 8 #include "src/conversions.h" |
| 9 #include "src/handles.h" | 9 #include "src/handles.h" |
| 10 #include "src/objects.h" | 10 #include "src/objects.h" |
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| 973 Type* upper = Type::Intersect(b.upper, t, zone); | 973 Type* upper = Type::Intersect(b.upper, t, zone); |
| 974 // Lower bounds are considered approximate, correct as necessary. | 974 // Lower bounds are considered approximate, correct as necessary. |
| 975 if (!lower->Is(upper)) lower = upper; | 975 if (!lower->Is(upper)) lower = upper; |
| 976 return Bounds(lower, upper); | 976 return Bounds(lower, upper); |
| 977 } | 977 } |
| 978 | 978 |
| 979 bool Narrows(Bounds that) { | 979 bool Narrows(Bounds that) { |
| 980 return that.lower->Is(this->lower) && this->upper->Is(that.upper); | 980 return that.lower->Is(this->lower) && this->upper->Is(that.upper); |
| 981 } | 981 } |
| 982 }; | 982 }; |
| 983 | |
| 984 } // namespace internal | 983 } // namespace internal |
| 985 } // namespace v8 | 984 } // namespace v8 |
| 986 | 985 |
| 987 #endif // V8_TYPES_H_ | 986 #endif // V8_TYPES_H_ |
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Chromium Code Reviews
Issue 2302283002:
Forking the type system between Crankshaft & Turbofan. (Closed)
