Files
swift-mirror/test/DebugInfo/generic_args.swift

52 lines
2.0 KiB
Swift

// RUN: %target-swift-frontend -primary-file %s -emit-ir -verify -g -o - | FileCheck %s
func markUsed<T>(t: T) {}
protocol AProtocol {
func f() -> String
}
class AClass : AProtocol {
func f() -> String { return "A" }
}
class AnotherClass : AProtocol {
func f() -> String { return "B" }
}
// CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "_TtQq_F12generic_args9aFunction{{.*}}",{{.*}} elements: ![[PROTOS:[0-9]+]]
// CHECK-DAG: ![[PROTOS]] = !{![[INHERIT:.*]]}
// CHECK-DAG: ![[INHERIT]] = !DIDerivedType(tag: DW_TAG_inheritance,{{.*}} baseType: ![[PROTOCOL:"[^"]+"]]
// CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "_TtMP12generic_args9AProtocol_",{{.*}} identifier: [[PROTOCOL]]
// CHECK-DAG: !DILocalVariable(name: "x", arg: 1,{{.*}} type: ![[T:.*]])
// CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "_TtQq_F12generic_args9aFunction{{.*}}, identifier: [[T]])
// CHECK-DAG: !DILocalVariable(name: "y", arg: 2,{{.*}} type: ![[Q:.*]])
// CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "_TtQq0_F12generic_args9aFunction{{.*}}, identifier: [[Q]])
func aFunction<T : AProtocol, Q : AProtocol>(x: T, _ y: Q, _ z: String) {
markUsed("I am in \(z): \(x.f()) \(y.f())")
}
aFunction(AClass(),AnotherClass(),"aFunction")
struct Wrapper<T: AProtocol> {
init<U: AProtocol>(from : Wrapper<U>) {
// CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "Wrapper",{{.*}} identifier: "_TtGV12generic_args7WrapperQq_FS0_cuRd__S_9AProtocolrFT4fromGS0_qd____GS0_x__")
var wrapped = from
wrapped = from
_ = wrapped
}
func passthrough(t: T) -> T {
// The type of local should have the context Wrapper<T>.
// CHECK-DAG: !DILocalVariable(name: "local",{{.*}} line: [[@LINE+1]],{{.*}} type: !"_TtQq_V12generic_args7Wrapper"
var local = t
local = t
return local
}
}
// CHECK: !DILocalVariable(name: "f", {{.*}}, line: [[@LINE+1]], type: !"_TtFQq_F12generic_args5applyu0_rFTx1fFxq__q_Qq0_F12generic_args5applyu0_rFTx1fFxq__q_")
func apply<T, U> (x: T, f: (T) -> (U)) -> U {
return f(x)
}