Files
swift-mirror/test/Concurrency/attr_execution/initializer.swift
Michael Gottesman dcb3e5c48e [concurrency] Emit nonisolated(nonsending) async throw initializers correctly.
Specifically, we were not inserting the implicit isolated parameter and were not
setting up the actor prologue. To keep this specific to nonisolated(nonsending)
code, I only setup the actor prologue if we know that we have something that is
nonisolated(nonsending).

I also ported some async initializer tests to run with/without
nonisolated(nonsending) just to increase code coverage.

rdar://156919493
(cherry picked from commit 3871d22257)
2025-07-29 20:10:44 -07:00

177 lines
10 KiB
Swift

// RUN: %target-swift-frontend -enable-experimental-concurrency -target %target-swift-5.1-abi-triple -emit-silgen -o - -strict-concurrency=complete -enable-upcoming-feature NonisolatedNonsendingByDefault %s | %FileCheck --implicit-check-not=hop_to_executor %s
// REQUIRES: concurrency
// REQUIRES: swift_feature_NonisolatedNonsendingByDefault
// This file contains tests specifically for async initializers that do not
// include type checker errors so we can test the SIL part of the pipeline. Put type checker errors into
// async_initializer.swift.
// CHECK-LABEL: sil hidden [ossa] @$s11initializer1fyyYaF : $@convention(thin) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> () {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>):
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer1fyyYaF'
func f() async {}
func g() {}
class Fruit {
// Fruit.__allocating_init()
// Isolation: caller_isolation_inheriting
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s11initializer5FruitCACyYacfC : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @thick Fruit.Type) -> @owned Fruit {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer5FruitCACyYacfC'
// Fruit.init()
// Isolation: caller_isolation_inheriting
// CHECK-LABEL: sil hidden [ossa] @$s11initializer5FruitCACyYacfc : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @owned Fruit) -> @owned Fruit {
// CHECK: bb0([[ARG:%.*]] : @guaranteed $Optional<any Actor>,
// CHECK: hop_to_executor [[ARG]]
// CHECK: } // end sil function '$s11initializer5FruitCACyYacfc'
init() async {}
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s11initializer5FruitC4nameACSS_tcfC : $@convention(method) (@owned String, @thick Fruit.Type) -> @owned Fruit {
// CHECK: } // end sil function '$s11initializer5FruitC4nameACSS_tcfC'
// CHECK-LABEL: sil hidden [ossa] @$s11initializer5FruitC4nameACSS_tcfc : $@convention(method) (@owned String, @owned Fruit) -> @owned Fruit {
// CHECK: } // end sil function '$s11initializer5FruitC4nameACSS_tcfc'
init(name: String) {}
}
class Banana: Fruit {
// TODO: Make this not async. We currently miscompile if this is sync.
//
// class Fruit {
// required init() async {}
// init(name: String) {}
// }
//
// class Banana: Fruit {
// override required init() {
// super.init(name: "banana")
// }
// }
//
// func test(_ x: Fruit.Type) async {
// await print(x.init())
// }
//
// await test(Banana.self)
// Banana.__allocating_init()
// Isolation: caller_isolation_inheriting
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s11initializer6BananaCACyYacfC : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @thick Banana.Type) -> @owned Banana {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>,
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer6BananaCACyYacfC'
// Banana.init()
// Isolation: caller_isolation_inheriting
// CHECK-LABEL: sil hidden [ossa] @$s11initializer6BananaCACyYacfc : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @owned Banana) -> @owned Banana {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>,
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer6BananaCACyYacfc'
override init() async {
super.init(name: "banana")
}
}
class MyType {
// MyType.__allocating_init(_:)
// Isolation: caller_isolation_inheriting
//
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s11initializer6MyTypeCyACyyYaYCXEYacfC : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @guaranteed @noescape @async @callee_guaranteed (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> (), @thick MyType.Type) -> @owned MyType {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>, [[ARG:%.*]] : @guaranteed $@noescape @async @callee_guaranteed (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> ()
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: [[FUNC:%.*]] = function_ref @$s11initializer6MyTypeCyACyyYaYCXEYacfc : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @guaranteed @noescape @async @callee_guaranteed (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> (), @owned MyType) -> @owned MyType
// CHECK: apply [[FUNC]]([[ACTOR]], [[ARG]], {{%.*}}) :
// CHECK: } // end sil function '$s11initializer6MyTypeCyACyyYaYCXEYacfC'
// MyType.init(_:)
// Isolation: caller_isolation_inheriting
// CHECK-LABEL: sil hidden [ossa] @$s11initializer6MyTypeCyACyyYaYCXEYacfc : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @guaranteed @noescape @async @callee_guaranteed (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> (), @owned MyType) -> @owned MyType {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>, [[ARG:%.*]] : @guaranteed $@noescape @async @callee_guaranteed (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> (), [[SELF:%.*]] : @owned $MyType):
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: [[ARG_C:%.*]] = copy_value [[ARG]]
// CHECK: [[ARG_B:%.*]] = begin_borrow [[ARG_C]]
// CHECK: apply [[ARG_B]]([[ACTOR]])
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer6MyTypeCyACyyYaYCXEYacfc'
init(_ f: () async -> Void) reasync {
await f()
}
}
// CHECK-LABEL: sil hidden [ossa] @$s11initializer4beepyyYaF : $@convention(thin) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> () {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>):
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: [[FUNC:%.*]] = function_ref @$s11initializer6MyTypeCyACyyYaYCXEYacfC : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @guaranteed @noescape @async @callee_guaranteed (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>) -> (), @thick MyType.Type) -> @owned MyType
// CHECK: apply [[FUNC]]([[ACTOR]], {{%.*}}, {{%.*}})
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer4beepyyYaF'
func beep() async {
let _ = await MyType(f)
let _ = MyType(g)
}
// thunk for @escaping @callee_guaranteed () -> ()
// CHECK-LABEL: sil shared [transparent] [serialized] [reabstraction_thunk] [ossa] @$sIeg_ScA_pSgIegHgIL_TR : $@convention(thin) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @guaranteed @callee_guaranteed () -> ()) -> () {
// CHECK: hop_to_executor
// CHECK: } // end sil function '$sIeg_ScA_pSgIegHgIL_TR'
actor A {
// CHECK-LABEL: sil hidden [ossa] @$s11initializer1ACACyYacfc : $@convention(method) @async (@sil_isolated @owned A) -> @owned A {
// CHECK: hop_to_executor
// CHECK: hop_to_executor
// CHECK: } // end sil function '$s11initializer1ACACyYacfc'
init() async {
await f()
}
init() {
}
}
protocol AsyncDefaultConstructable {
init() async
}
struct Location {
var x : Int
var y : Int
// CHECK-LABEL: sil hidden [ossa] @$s11initializer8LocationVACyYacfC : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @thin Location.Type) -> Location {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>,
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer8LocationVACyYacfC'
init() async {
self.x = 0
self.y = 0
}
}
extension Location: AsyncDefaultConstructable {}
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s11initializer8LocationVAA25AsyncDefaultConstructableA2aDPxyYacfCTW : $@convention(witness_method: AsyncDefaultConstructable) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @thick Location.Type) -> @out Location {
// CHECK: bb0([[INDIRECT_RESULT:%.*]] : $*Location, [[ACTOR:%.*]] : @guaranteed $Optional<any Actor>,
// CHECK: [[FUNC:%.*]] = function_ref @$s11initializer8LocationVACyYacfC : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @thin Location.Type) -> Location
// CHECK: apply [[FUNC]]([[ACTOR]],
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer8LocationVAA25AsyncDefaultConstructableA2aDPxyYacfCTW'
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s11initializer12ExplicitTestCACyYaKcfC : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @thick ExplicitTest.Type) -> (@owned ExplicitTest, @error any Error) {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>,
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: [[FUNC:%.*]] = function_ref @$s11initializer12ExplicitTestCACyYaKcfc : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @owned ExplicitTest) -> (@owned ExplicitTest, @error any Error)
// CHECK: try_apply [[FUNC]]([[ACTOR]], {{%.*}})
// CHECK: } // end sil function '$s11initializer12ExplicitTestCACyYaKcfC'
// CHECK-LABEL: sil hidden [ossa] @$s11initializer12ExplicitTestCACyYaKcfc : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @owned ExplicitTest) -> (@owned ExplicitTest, @error any Error) {
// CHECK: bb0([[ACTOR:%.*]] : @guaranteed $Optional<any Actor>,
// CHECK: hop_to_executor [[ACTOR]]
// CHECK: } // end sil function '$s11initializer12ExplicitTestCACyYaKcfc'
class ExplicitTest {
nonisolated(nonsending) init() async throws {
}
}