| // RUN: %target-swift-frontend -primary-file %s -emit-ir -g -o - | FileCheck %s |
| |
| protocol IntegerArithmeticType { |
| static func uncheckedSubtract(lhs: Self, rhs: Self) -> (Self, Bool) |
| } |
| |
| protocol RandomAccessIndexType : IntegerArithmeticType { |
| typealias Distance : IntegerArithmeticType |
| static func uncheckedSubtract(lhs: Self, rhs: Self) -> (Distance, Bool) |
| } |
| |
| // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "_TtTQQq_F9archetype16ExistentialTuple |
| // CHECK-SAME: identifier: [[TT:".+"]]) |
| // archetype.ExistentialTuple <A : RandomAccessIndexType, B>(x : A, y : A) -> B |
| // CHECK: !DISubprogram(name: "ExistentialTuple", linkageName: "_TF9archetype16ExistentialTuple |
| // CHECK-SAME: line: [[@LINE+2]] |
| // CHECK-SAME: isDefinition: true |
| func ExistentialTuple<T: RandomAccessIndexType>(x: T, y: T) -> T.Distance { |
| // (B, Swift.Bool) |
| // CHECK: !DILocalVariable(name: "tmp" |
| // CHECK-SAME: line: [[@LINE+2]] |
| // CHECK-SAME: type: ![[TT]] |
| var tmp : (T.Distance, Bool) = T.uncheckedSubtract(x, rhs: y) |
| return _overflowChecked((tmp.0, tmp.1)) |
| } |
| |
