| // RUN: %target-swift-frontend %s -emit-ir -g -o - | %FileCheck %s |
| public enum E : Error { case Err } |
| |
| // Function throws. |
| public func throwError() throws { throw E.Err } |
| // CHECK: !DISubprogram(name: "throwError", {{.*}}thrownTypes: ![[THROWN:.*]]) |
| // CHECK: ![[THROWN]] = !{![[ERROR:[0-9]+]]} |
| // CHECK: ![[ERROR]] = !DICompositeType(tag: DW_TAG_structure_type, |
| // CHECK-SAME: name: "Error" |
| |
| |
| // Function rethrows. |
| public func rethrow(fn : (() throws -> ())) rethrows { try fn() } |
| // CHECK: !DISubprogram(name: "rethrow", {{.*}}thrownTypes: ![[THROWN:.*]]) |
| |
| public class C { |
| // Initializer throws. |
| init() throws { throw E.Err } |
| // CHECK: !DISubprogram(name: "init", {{.*}}line: [[@LINE-1]], |
| // CHECK-SAME: thrownTypes: ![[THROWN:.*]]) |
| |
| // Initializer rethrows. |
| init(fn : (() throws -> ())) rethrows { |
| // CHECK: !DISubprogram(name: "init", {{.*}}line: [[@LINE-1]], |
| // CHECK-SAME: thrownTypes: ![[THROWN:.*]]) |
| try fn() |
| } |
| } |
| |
| // Negative tests. |
| // CHECK: !DISubprogram(name: "returnThrowing", |
| // CHECK-NOT: thrownTypes: |
| public func returnThrowing() -> (() throws -> ()) { return throwError } |
| // CHECK: !DISubprogram(name: "takesThrowing", |
| // CHECK-NOT: thrownTypes: |
| public func takesThrowing(fn : (() throws -> ())) {} |
