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// RUN: %target-swift-frontend -swift-version 6 -emit-silgen -enable-experimental-feature UnspecifiedMeansMainActorIsolated %s | %FileCheck %s
// RUN: %target-swift-frontend -swift-version 6 -emit-sil -enable-experimental-feature UnspecifiedMeansMainActorIsolated %s -verify
// REQUIRES: swift_feature_UnspecifiedMeansMainActorIsolated
// READ THIS! This test is meant to FileCheck the specific isolation when
// UnspecifiedMeansMainActorIsolated is enabled. Please do not put other types
// of tests in here.
class Klass {
// Implicit deinit
// CHECK: // Klass.deinit
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor5KlassCfd : $@convention(method) (@guaranteed Klass) -> @owned Builtin.NativeObject {
// Implicit deallocating deinit
// CHECK: // Klass.__deallocating_deinit
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor5KlassCfD : $@convention(method) (@owned Klass) -> () {
// Implicit allocating init
// CHECK: // Klass.__allocating_init()
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [exact_self_class] [ossa] @$s16assume_mainactor5KlassCACycfC : $@convention(method) (@thick Klass.Type) -> @owned Klass {
// Implicit designated init
// CHECK: // Klass.init()
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor5KlassCACycfc : $@convention(method) (@owned Klass) -> @owned Klass {
}
struct StructContainingKlass {
// CHECK: // variable initialization expression of StructContainingKlass.k
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor21StructContainingKlassV1kAA0E0Cvpfi : $@convention(thin) () -> @owned Klass {
// CHECK: // StructContainingKlass.k.getter
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor21StructContainingKlassV1kAA0E0Cvg : $@convention(method) (@guaranteed StructContainingKlass) -> @owned Klass {
// CHECK: // StructContainingKlass.k.setter
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor21StructContainingKlassV1kAA0E0Cvs : $@convention(method) (@owned Klass, @inout StructContainingKlass) -> () {
var k = Klass()
// CHECK: // StructContainingKlass.init()
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor21StructContainingKlassVACycfC : $@convention(method) (@thin StructContainingKlass.Type) -> @owned StructContainingKlass {
}
// TODO: Allow for nonisolated to be applied to structs.
struct NonIsolatedStructContainingKlass {
// CHECK: // variable initialization expression of NonIsolatedStructContainingKlass.k
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor32NonIsolatedStructContainingKlassV1kAA0G0Cvpfi : $@convention(thin) () -> @owned Klass {
// CHECK: // NonIsolatedStructContainingKlass.k.getter
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor32NonIsolatedStructContainingKlassV1kAA0G0Cvg : $@convention(method) (@guaranteed NonIsolatedStructContainingKlass) -> @owned Klass {
// CHECK: // NonIsolatedStructContainingKlass.k.setter
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor32NonIsolatedStructContainingKlassV1kAA0G0Cvs : $@convention(method) (@owned Klass, @inout NonIsolatedStructContainingKlass) -> () {
var k = Klass()
// CHECK: // NonIsolatedStructContainingKlass.init()
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor32NonIsolatedStructContainingKlassVACycfC : $@convention(method) (@thin NonIsolatedStructContainingKlass.Type) -> @owned NonIsolatedStructContainingKlass {
}
@globalActor
actor CustomActor {
static let shared = CustomActor()
}
// CHECK: // unspecifiedAsync<A>(_:)
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor16unspecifiedAsyncyyxYalF : $@convention(thin) @async <T> (@in_guaranteed T) -> () {
func unspecifiedAsync<T>(_ t: T) async {}
// CHECK: // nonisolatedAsync<A>(_:)
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor16nonisolatedAsyncyyxYalF : $@convention(thin) @async <T> (@in_guaranteed T) -> () {
nonisolated func nonisolatedAsync<T>(_ t: T) async {}
// CHECK: // mainActorAsync<A>(_:)
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor14mainActorAsyncyyxYalF : $@convention(thin) @async <T> (@in_guaranteed T) -> () {
@MainActor func mainActorAsync<T>(_ t: T) async {}
// CHECK: // customActorAsync<A>(_:)
// CHECK-NEXT: // Isolation: global_actor. type: CustomActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor16customActorAsyncyyxYalF : $@convention(thin) @async <T> (@in_guaranteed T) -> () {
@CustomActor func customActorAsync<T>(_ t: T) async {}
@CustomActor
struct CustomActorStruct {
// Variable expression is custom actor... but since we have a nonisolated
// init, we should be fine?
//
// CHECK: // variable initialization expression of CustomActorStruct.k
// CHECK-NEXT: // Isolation: global_actor. type: CustomActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor17CustomActorStructV1kAA5KlassCvpfi : $@convention(thin) () -> @owned Klass {
// CHECK: // CustomActorStruct.k.getter
// CHECK-NEXT: // Isolation: global_actor. type: CustomActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor17CustomActorStructV1kAA5KlassCvg : $@convention(method) (@guaranteed CustomActorStruct) -> @owned Klass {
// CHECK: // CustomActorStruct.k.setter
// CHECK-NEXT: // Isolation: global_actor. type: CustomActor
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor17CustomActorStructV1kAA5KlassCvs : $@convention(method) (@owned Klass, @inout CustomActorStruct) -> () {
var k = Klass()
}
// CHECK: // unspecifiedFunctionTest()
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor23unspecifiedFunctionTestyyYaF : $@convention(thin) @async () -> () {
func unspecifiedFunctionTest() async {
let k = Klass()
await unspecifiedAsync(k)
await nonisolatedAsync(k)
await mainActorAsync(k)
}
// CHECK: // unspecifiedFunctionTest2()
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor24unspecifiedFunctionTest2yyYaF : $@convention(thin) @async () -> () {
func unspecifiedFunctionTest2() async {
let k = StructContainingKlass()
await unspecifiedAsync(k)
await nonisolatedAsync(k)
await mainActorAsync(k)
await unspecifiedAsync(k.k)
await nonisolatedAsync(k.k)
await mainActorAsync(k.k)
}
// CHECK: // unspecifiedFunctionTest3()
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor24unspecifiedFunctionTest3yyYaF : $@convention(thin) @async () -> () {
func unspecifiedFunctionTest3() async {
let k = NonIsolatedStructContainingKlass()
await unspecifiedAsync(k)
await nonisolatedAsync(k)
await mainActorAsync(k)
await unspecifiedAsync(k.k)
await nonisolatedAsync(k.k)
await mainActorAsync(k.k)
}
// CHECK: // nonisolatedFunctionTest()
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor23nonisolatedFunctionTestyyYaF : $@convention(thin) @async () -> () {
nonisolated func nonisolatedFunctionTest() async {
let k = NonIsolatedStructContainingKlass()
await unspecifiedAsync(k.k)
await nonisolatedAsync(k.k)
await mainActorAsync(k.k)
}
actor MyActor {
// CHECK: // variable initialization expression of MyActor.k
// CHECK-NEXT: // Isolation: actor_instance
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor7MyActorC1kAA5KlassCvpfi : $@convention(thin) () -> @owned Klass {
// CHECK: // MyActor.k.getter
// CHECK-NEXT: // Isolation: actor_instance. name: 'self'
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor7MyActorC1kAA5KlassCvg : $@convention(method) (@sil_isolated @guaranteed MyActor) -> @owned Klass {
// CHECK: // MyActor.k.setter
// CHECK-NEXT: // Isolation: actor_instance. name: 'self'
// CHECK-NEXT: sil hidden [transparent] [ossa] @$s16assume_mainactor7MyActorC1kAA5KlassCvs : $@convention(method) (@owned Klass, @sil_isolated @guaranteed MyActor) -> () {
var k = Klass()
// Implicit deinit
// CHECK: // MyActor.deinit
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor7MyActorCfd : $@convention(method) (@guaranteed MyActor) -> @owned Builtin.NativeObject {
// Non-async init should be nonisolated
// CHECK: // MyActor.init()
// CHECK-NEXT: // Isolation: nonisolated
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor7MyActorCACycfc : $@convention(method) (@owned MyActor) -> @owned MyActor {
}
actor MyActor2 {
// CHECK: // MyActor2.init()
// CHECK-NEXT: // Isolation: global_actor. type: MainActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor8MyActor2CACycfc : $@convention(method) (@owned MyActor2) -> @owned MyActor2 {
@MainActor
init() {}
// CHECK: // MyActor2.init(x:)
// CHECK-NEXT: // Isolation: global_actor. type: CustomActor
// CHECK-NEXT: sil hidden [ossa] @$s16assume_mainactor8MyActor2C1xACyt_tcfc : $@convention(method) (@owned MyActor2) -> @owned MyActor2 {
@CustomActor
init(x: ()) {}
}
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