| // RUN: %target-swift-frontend -primary-file %s -emit-ir -g -o - | %FileCheck %s |
| |
| protocol IntegerArithmetic { |
| static func uncheckedSubtract(_ lhs: Self, rhs: Self) -> (Self, Bool) |
| } |
| |
| protocol RandomAccessIndex : IntegerArithmetic { |
| associatedtype Distance : IntegerArithmetic |
| static func uncheckedSubtract(_ lhs: Self, rhs: Self) -> (Distance, Bool) |
| } |
| |
| // archetype.ExistentialTuple <A : RandomAccessIndex, B>(x : A, y : A) -> B |
| // CHECK: !DISubprogram(name: "ExistentialTuple", linkageName: "$s9archetype16ExistentialTuple |
| // CHECK-SAME: line: [[@LINE+2]] |
| // CHECK-SAME: DISPFlagDefinition |
| func ExistentialTuple<T: RandomAccessIndex>(_ x: T, y: T) -> T.Distance { |
| // (B, Swift.Bool) |
| // CHECK: !DILocalVariable(name: "tmp" |
| // CHECK-SAME: line: [[@LINE+2]] |
| // CHECK-SAME: type: ![[TT:[0-9]+]] |
| var tmp : (T.Distance, Bool) = T.uncheckedSubtract(x, rhs: y) |
| return _overflowChecked((tmp.0, tmp.1)) |
| } |
| // CHECK: ![[TT]] = !DICompositeType(tag: DW_TAG_structure_type, |
| // CHECK-SAME: name: "$s8Distance9archetype17RandomAccessIndexPQz_SbtD" |
| |
