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