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// RUN: %target-swift-frontend -emit-silgen %s -module-name initializers -swift-version 5 -disable-availability-checking | %FileCheck %s --enable-var-scope --implicit-check-not=hop_to_executor
// REQUIRES: concurrency
// CHECK: protocol Person {
// CHECK-NEXT: init() async
// CHECK-NEXT: }
// CHECK: struct MyStruct {
// CHECK-NEXT: init() async
// CHECK-NEXT: }
// CHECK: enum MyEnum {
// CHECK-NEXT: init() async
// CHECK-NEXT: }
// CHECK: actor MyActor {
// CHECK-NEXT: init() async
// CHECK: class EarthPerson : Person {
// CHECK-NEXT: required init() async
// CHECK-NEXT: init(name: String) async
// CHECK: @_inheritsConvenienceInitializers class NorthAmericaPerson : EarthPerson {
// CHECK-NEXT: required init() async
// CHECK-NEXT: override init(name: String) async
// CHECK: class Cat {
// CHECK-NEXT: @MainActor init()
// CHECK-NEXT: @MainActor init(name: String)
// CHECK: struct Dog {
// CHECK-NEXT: @MainActor init() async
// CHECK-NEXT: @MainActor init(name: String)
// CHECK-NEXT: }
// CHECK: enum Birb {
// CHECK-NEXT: @MainActor init() async
// CHECK-NEXT: @MainActor init(name: String)
// CHECK-NEXT: }
protocol Person {
init() async
}
struct MyStruct {
// CHECK-DAG: sil hidden [ossa] @$s12initializers8MyStructVACyYacfC : $@convention(method) @async (@thin MyStruct.Type) -> MyStruct
init() async {}
}
enum MyEnum {
// CHECK-DAG: sil hidden [ossa] @$s12initializers6MyEnumOACyYacfC : $@convention(method) @async (@thin MyEnum.Type) -> MyEnum
init() async {}
}
actor MyActor {
// CHECK-DAG: sil hidden [ossa] @$s12initializers7MyActorCACyYacfc : $@convention(method) @async (@sil_isolated @owned MyActor) -> @owned MyActor
init() async {}
}
class EarthPerson : Person {
// CHECK-DAG: sil hidden [ossa] @$s12initializers11EarthPersonCACyYacfc : $@convention(method) @async (@owned EarthPerson) -> @owned EarthPerson
required init() async {}
// CHECK-DAG: sil hidden [ossa] @$s12initializers11EarthPersonC4nameACSS_tYacfc : $@convention(method) @async (@owned String, @owned EarthPerson) -> @owned EarthPerson
init(name: String) async {}
// CHECK-DAG: sil private [transparent] [thunk] [ossa] @$s12initializers11EarthPersonCAA0C0A2aDPxyYacfCTW : $@convention(witness_method: Person) @async (@thick EarthPerson.Type) -> @out EarthPerson
}
class NorthAmericaPerson : EarthPerson {
// CHECK-DAG: sil hidden [ossa] @$s12initializers18NorthAmericaPersonCACyYacfc : $@convention(method) @async (@owned NorthAmericaPerson) -> @owned NorthAmericaPerson
required init() async { await super.init() }
// CHECK-DAG: sil hidden [ossa] @$s12initializers18NorthAmericaPersonC4nameACSS_tYacfc : $@convention(method) @async (@owned String, @owned NorthAmericaPerson) -> @owned NorthAmericaPerson
override init(name: String) async { await super.init(name: name) }
}
////
// check that of global-actor isolation is preserved in async initializers.
// there's also coverage for sync global-actor-isolated initializers
func someAsyncFn() async {}
class Cat {
// CHECK-LABEL: sil hidden [ossa] @$s12initializers3CatCACyYacfc : $@convention(method) @async (@owned Cat) -> @owned Cat {
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: {{%[0-9]+}} = function_ref @$s12initializers11someAsyncFnyyYaF : $@convention(thin) @async () -> ()
// CHECK: {{%[0-9]+}} = apply {{%[0-9]+}}() : $@convention(thin) @async () -> ()
// CHECK-NEXT: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: } // end sil function '$s12initializers3CatCACyYacfc'
@MainActor init() async {
await someAsyncFn()
}
@MainActor init(name: String) {}
}
struct Dog {
// CHECK-LABEL: sil hidden [ossa] @$s12initializers3DogVACyYacfC : $@convention(method) @async (@thin Dog.Type) -> Dog {
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: {{%[0-9]+}} = function_ref @$s12initializers11someAsyncFnyyYaF : $@convention(thin) @async () -> ()
// CHECK: {{%[0-9]+}} = apply {{%[0-9]+}}() : $@convention(thin) @async () -> ()
// CHECK-NEXT: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: } // end sil function '$s12initializers3DogVACyYacfC'
@MainActor init() async {
await someAsyncFn()
}
@MainActor init(name: String) {}
}
enum Birb {
// CHECK-LABEL: sil hidden [ossa] @$s12initializers4BirbOACyYacfC : $@convention(method) @async (@thin Birb.Type) -> Birb {
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: {{%[0-9]+}} = function_ref @$s12initializers11someAsyncFnyyYaF : $@convention(thin) @async () -> ()
// CHECK: {{%[0-9]+}} = apply {{%[0-9]+}}() : $@convention(thin) @async () -> ()
// CHECK-NEXT: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: } // end sil function '$s12initializers4BirbOACyYacfC'
@MainActor init() async {
await someAsyncFn()
}
@MainActor init(name: String) {}
}
// CHECK-LABEL: sil hidden [ossa] @$s12initializers7makeCatyyYaF : $@convention(thin) @async () -> () {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK-NEXT: {{%[0-9]+}} = apply {{%[0-9]+}}({{%[0-9]+}}, {{%[0-9]+}}) : $@convention(method) (@owned String, @thick Cat.Type) -> @owned Cat
// CHECK: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: } // end sil function '$s12initializers7makeCatyyYaF'
func makeCat() async {
_ = await Cat(name: "Socks")
}
// CHECK-LABEL: sil hidden [ossa] @$s12initializers7makeDogyyYaF : $@convention(thin) @async () -> () {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK-NEXT: {{%[0-9]+}} = apply {{%[0-9]+}}({{%[0-9]+}}, {{%[0-9]+}}) : $@convention(method) (@owned String, @thin Dog.Type) -> Dog
// CHECK: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: } // end sil function '$s12initializers7makeDogyyYaF'
func makeDog() async {
_ = await Dog(name: "Lassie")
}
// CHECK-LABEL: sil hidden [ossa] @$s12initializers8makeBirbyyYaF : $@convention(thin) @async () -> () {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK-NEXT: {{%[0-9]+}} = apply {{%[0-9]+}}({{%[0-9]+}}, {{%[0-9]+}}) : $@convention(method) (@owned String, @thin Birb.Type) -> Birb
// CHECK: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: } // end sil function '$s12initializers8makeBirbyyYaF'
func makeBirb() async {
_ = await Birb(name: "Chirpy")
}
actor SomeActor {
var x: Int = 0
// NOTE: during SILGen, we don't expect any hop_to_executors in here.
// The implicit check-not covers that for us. The hops are inserted later.
init() async {}
// CHECK-LABEL: sil hidden [ossa] @$s12initializers9SomeActorC10someMethodyyYaF : $@convention(method) @async (@sil_isolated @guaranteed SomeActor) -> () {
// CHECK: hop_to_executor {{%[0-9]+}} : $SomeActor
// CHECK: } // end sil function '$s12initializers9SomeActorC10someMethodyyYaF'
func someMethod() async {}
}
// CHECK-LABEL: sil hidden [ossa] @$s12initializers9makeActorAA04SomeC0CyYaF : $@convention(thin) @async () -> @owned SomeActor {
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: [[INIT:%[0-9]+]] = function_ref @$s12initializers9SomeActorCACyYacfC : $@convention(method) @async (@thick SomeActor.Type) -> @owned SomeActor
// CHECK: {{%[0-9]+}} = apply [[INIT]]({{%[0-9]+}}) : $@convention(method) @async (@thick SomeActor.Type) -> @owned SomeActor
// CHECK: hop_to_executor {{%[0-9]+}} : $MainActor
// CHECK: } // end sil function '$s12initializers9makeActorAA04SomeC0CyYaF'
@MainActor
func makeActor() async -> SomeActor {
return await SomeActor()
}
// CHECK-LABEL: sil hidden [ossa] @$s12initializers20makeActorFromGenericAA04SomeC0CyYaF : $@convention(thin) @async () -> @owned SomeActor {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: apply
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
func makeActorFromGeneric() async -> SomeActor {
return await SomeActor()
}
// CHECK-LABEL: sil hidden [ossa] @$s12initializers26callActorMethodFromGeneric1ayAA04SomeC0C_tYaF : $@convention(thin) @async (@guaranteed SomeActor) -> () {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: apply
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
func callActorMethodFromGeneric(a: SomeActor) async {
await a.someMethod()
}
// CHECK-LABEL: sil hidden {{.*}} @$s12initializers15makeActorInTaskyyYaF : $@convention(thin) @async () -> () {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: apply
// CHECK-LABEL: sil private [ossa] @$s12initializers15makeActorInTaskyyYaFAA04SomeC0CyYacfU_ : $@convention(thin) @async @substituted <τ_0_0> (@guaranteed Optional<any Actor>) -> @out τ_0_0 for <SomeActor> {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: apply
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
@available(SwiftStdlib 5.1, *)
func makeActorInTask() async {
Task.detached { await SomeActor() }
}
// CHECK-LABEL: sil hidden {{.*}} @$s12initializers21callActorMethodInTask1ayAA04SomeC0C_tYaF : $@convention(thin) @async (@guaranteed SomeActor) -> () {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: apply
// CHECK-LABEL: sil private [ossa] @$s12initializers21callActorMethodInTask1ayAA04SomeC0C_tYaFyyYacfU_ : $@convention(thin) @async @substituted <τ_0_0> (@guaranteed Optional<any Actor>, @guaranteed SomeActor) -> @out τ_0_0 for <()> {
// CHECK: [[GENERIC_EXEC:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
// CHECK: apply
// CHECK-NEXT: hop_to_executor [[GENERIC_EXEC]] : $Optional<Builtin.Executor>
@available(SwiftStdlib 5.1, *)
func callActorMethodInTask(a: SomeActor) async {
Task.detached { await a.someMethod() }
}
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