mirror of
https://github.com/apple/swift.git
synced 2026-06-27 12:25:55 +02:00
Freddy Kellison-Linn
178 lines
7.6 KiB
Swift
178 lines
7.6 KiB
Swift
// RUN: %target-swift-frontend -Xllvm -sil-print-types -emit-silgen %s -target %target-swift-5.1-abi-triple | %FileCheck %s
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// REQUIRES: concurrency
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class NotSendable {}
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func callee(_ ns: NotSendable) {}
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actor MyActor {
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func isolatedToSelf(ns: NotSendable) {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation7MyActorC14isolatedToSelf2nsyAA11NotSendableC_tF08implicitH7CaptureL_yyYaF : $@convention(thin) @async (@guaranteed NotSendable, @sil_isolated @guaranteed MyActor) -> () {
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func implicitSelfCapture() async {
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// CHECK: [[COPY:%.*]] = copy_value %1 : $MyActor
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// CHECK-NEXT: [[BORROW:%.*]] = begin_borrow [[COPY]] : $MyActor
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// CHECK-NEXT: hop_to_executor [[BORROW]] : $MyActor
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// CHECK: [[FN:%.*]] = function_ref @$s24local_function_isolation4testyyYaF : $@convention(thin) @async () -> ()
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// CHECK-NEXT: apply [[FN]]() : $@convention(thin) @async () -> ()
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await test()
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// CHECK: hop_to_executor [[BORROW]] : $MyActor
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// CHECK: [[FN:%.*]] = function_ref @$s24local_function_isolation6calleeyyAA11NotSendableCF : $@convention(thin) (@guaranteed NotSendable) -> ()
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// CHECK-NEXT: apply [[FN]](%0) : $@convention(thin) (@guaranteed NotSendable) -> ()
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// we need to hop back to 'self' here
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callee(ns)
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// CHECK: end_borrow [[BORROW]] : $MyActor
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// CHECK-NEXT: destroy_value [[COPY]] : $MyActor
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}
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}
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}
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func f(isolation: isolated MyActor, ns: NotSendable) {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation1f0C02nsyAA7MyActorCYi_AA11NotSendableCtF23implicitIsolatedCaptureL_yyYaF : $@convention(thin) @async (@guaranteed NotSendable, @sil_isolated @guaranteed MyActor) -> () {
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func implicitIsolatedCapture() async {
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// CHECK: [[COPY:%.*]] = copy_value %1 : $MyActor
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// CHECK-NEXT: [[BORROW:%.*]] = begin_borrow [[COPY]] : $MyActor
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// CHECK-NEXT: hop_to_executor [[BORROW]] : $MyActor
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// CHECK: [[FN:%.*]] = function_ref @$s24local_function_isolation4testyyYaF : $@convention(thin) @async () -> ()
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// CHECK-NEXT: apply [[FN]]() : $@convention(thin) @async () -> ()
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await test()
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// we need to hop back to 'isolation' here
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callee(ns)
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// CHECK: end_borrow [[BORROW]] : $MyActor
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// CHECK-NEXT: destroy_value [[COPY]] : $MyActor
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}
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}
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func test() async {}
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// A generic actor type, which causes the generic self parameter
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// (actor isolation parameter) to be added to captures of the
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// local/nested function.
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actor GenericActor<K> {
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var i: Int = 0
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func outerFunc() async {
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func accessSelf() async -> Int {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation12GenericActorC9outerFuncyyYaF10accessSelfL_SiyYalF : $@convention(thin) @async <K> (@sil_isolated @guaranteed GenericActor<K>) -> Int {
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return 0
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}
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await print(accessSelf())
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}
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}
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// Make sure defer doesn't capture anything.
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actor DeferInsideInitActor {
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init(foo: ()) async throws {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation20DeferInsideInitActorC3fooACyt_tYaKcfc6$deferL_yyF : $@convention(thin) () -> () {
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defer {}
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self.init()
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}
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}
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actor NestedAsyncInSyncActor {
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public func outer() async {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation22NestedAsyncInSyncActorC5outeryyYaF6middleL_yyF : $@convention(thin) (@sil_isolated @guaranteed NestedAsyncInSyncActor) -> () {
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func middle() {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation22NestedAsyncInSyncActorC5outeryyYaF6middleL_yyF5innerL_yyYaF : $@convention(thin) @async (@sil_isolated @guaranteed NestedAsyncInSyncActor) -> () {
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func inner() async {}
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_ = inner
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}
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_ = middle
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}
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}
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// CHECK-LABEL: sil hidden [ossa] @$s24local_function_isolation13outerFunctionyyScA_pYaF : $@convention(thin) @async (@guaranteed any Actor) -> () {
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func outerFunction(_ a: any Actor) async {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation13outerFunctionyyScA_pYaF06middleE0L_yyScA_pYaF : $@convention(thin) @async (@guaranteed any Actor) -> () {
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func middleFunction(_ isolated: any Actor) async {
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// CHECK-LABEL: sil private [ossa] @$s24local_function_isolation13outerFunctionyyScA_pYaF06middleE0L_yyScA_pYaF05innerE0L_yyYaF : $@convention(thin) @async () -> () {
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func innerFunction() async {}
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}
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await middleFunction(a)
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}
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// Check async defer matches enclosing isolation
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actor AsyncDeferActor {
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func foo() async {
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// CHECK-LABEL: // $defer #1 () in AsyncDeferActor.foo()
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// CHECK-NEXT: // Isolation: actor_instance. name: 'self'
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// CHECK-NEXT: sil private [ossa] @$s24local_function_isolation15AsyncDeferActorC3fooyyYaF6$deferL_yyYaF : $@convention(thin) @async (@sil_isolated @guaranteed AsyncDeferActor) -> () {
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// CHECK-NEXT: // %0 "self" // users: %2, %1
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// CHECK-NEXT: bb0(%0 : @closureCapture @guaranteed $AsyncDeferActor):
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defer {
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await test()
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}
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await test()
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}
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}
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func testAsyncDeferIsolatedParam(isolated: isolated (any Actor)? = nil) async {
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let x: Int = 0
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// CHECK-LABEL: // $defer #1 () in testAsyncDeferIsolatedParam(isolated:)
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// CHECK-NEXT: // Isolation: actor_instance. name: 'isolated'
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// CHECK-NEXT: sil private [ossa] @$s24local_function_isolation27testAsyncDeferIsolatedParam8isolatedyScA_pSgYi_tYaF6$deferL_yyYaF : $@convention(thin) @async (Int, @sil_isolated @guaranteed Optional<any Actor>) -> () {
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// CHECK-NEXT: // %0 "x" // users: %10, %2
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// CHECK-NEXT: // %1 "isolated" // users: %4, %3
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// CHECK-NEXT: bb0(%0 : @closureCapture $Int, %1 : @closureCapture @guaranteed $Optional<any Actor>):
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defer {
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await test()
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_ = x
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}
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_ = x
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let _: @MainActor () async -> Void = {
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let z: Int = 0
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// CHECK-LABEL: // $defer #1 () in closure #1 in testAsyncDeferIsolatedParam(isolated:)
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// CHECK-NEXT: // Isolation: global_actor. type: MainActor
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// CHECK-NEXT: sil private [ossa] @$s24local_function_isolation27testAsyncDeferIsolatedParam8isolatedyScA_pSgYi_tYaFyyYaScMYccfU_6$deferL_yyYaF : $@convention(thin) @async (Int) -> () {
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// CHECK-NEXT: // %0 "z" // users: %7, %1
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// CHECK-NEXT: bb0(%0 : @closureCapture $Int):
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defer {
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await test()
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_ = z
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}
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_ = z
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func inner(isolated: isolated (any Actor)? = nil) async {
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let y: Int = 0
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// CHECK-LABEL: // $defer #1 () in inner #1 (isolated:) in closure #1 in testAsyncDeferIsolatedParam(isolated:)
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// CHECK-NEXT: // Isolation: actor_instance. name: 'isolated'
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// CHECK-NEXT: sil private [ossa] @$s24local_function_isolation27testAsyncDeferIsolatedParam8isolatedyScA_pSgYi_tYaFyyYaScMYccfU_5innerL_ACyADYi_tYaF6$deferL_yyYaF : $@convention(thin) @async (@sil_isolated @guaranteed Optional<any Actor>, Int) -> () {
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// CHECK-NEXT: // %0 "isolated" // users: %12, %4, %2
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// CHECK-NEXT: // %1 "y" // users: %10, %3
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// CHECK-NEXT: bb0(%0 : @closureCapture @guaranteed $Optional<any Actor>, %1 : @closureCapture $Int):
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defer {
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await test()
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// CHECK-LABEL: // $defer #1 () in $defer #1 () in inner #1 (isolated:) in closure #1 in testAsyncDeferIsolatedParam(isolated:)
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// CHECK-NEXT: // Isolation: actor_instance. name: 'isolated'
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// CHECK-NEXT: sil private [ossa] @$s24local_function_isolation27testAsyncDeferIsolatedParam8isolatedyScA_pSgYi_tYaFyyYaScMYccfU_5innerL_ACyADYi_tYaF6$deferL_yyYaFAFL_yyYaF : $@convention(thin) @async (@sil_isolated @guaranteed Optional<any Actor>) -> () {
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// CHECK-NEXT: // %0 "isolated" // users: %2, %1
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// CHECK-NEXT: bb0(%0 : @closureCapture @guaranteed $Optional<any Actor>):
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defer {
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await test()
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}
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_ = y
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}
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_ = y
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}
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}
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}
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