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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen -I %S/Inputs/custom-modules -disable-availability-checking %s -verify | %FileCheck --implicit-check-not=hop_to_executor --check-prefix=CHECK --check-prefix=CHECK-%target-cpu %s
// REQUIRES: concurrency
// REQUIRES: objc_interop
import Foundation
import ObjCConcurrency
@objc protocol SlowServing {
func requestInt() async -> Int
func requestString() async -> String
func tryRequestString() async throws -> String
func requestIntAndString() async -> (Int, String)
func tryRequestIntAndString() async throws -> (Int, String)
}
// CHECK-LABEL: sil {{.*}}@{{.*}}15testSlowServing
func testSlowServing(p: SlowServing) async throws {
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK: objc_method {{.*}} $@convention(objc_method) <τ_0_0 where τ_0_0 : SlowServing> (@convention(block) (Int) -> (), τ_0_0) -> ()
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
let _: Int = await p.requestInt()
// CHECK: objc_method {{.*}} $@convention(objc_method) <τ_0_0 where τ_0_0 : SlowServing> (@convention(block) (NSString) -> (), τ_0_0) -> ()
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
let _: String = await p.requestString()
// CHECK: objc_method {{.*}} $@convention(objc_method) <τ_0_0 where τ_0_0 : SlowServing> (@convention(block) (Int, NSString) -> (), τ_0_0) -> ()
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
let _: (Int, String) = await p.requestIntAndString()
// CHECK: objc_method {{.*}} $@convention(objc_method) <τ_0_0 where τ_0_0 : SlowServing> (@convention(block) (Int, Optional<NSString>, Optional<NSError>) -> (), τ_0_0) -> ()
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-NEXT: builtin "willThrow"
let _: (Int, String) = try await p.tryRequestIntAndString()
}
// CHECK-LABEL: sil {{.*}}@{{.*}}20testSlowServingAgain
func testSlowServingAgain(p: SlowServing) async throws {
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK: objc_method {{.*}} $@convention(objc_method) <τ_0_0 where τ_0_0 : SlowServing> (@convention(block) (Optional<NSString>, Optional<NSError>) -> (), τ_0_0) -> ()
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-NEXT: builtin "willThrow"
let _: String = try await p.tryRequestString()
}
class SlowSwiftServer: NSObject, SlowServing {
// CHECK-LABEL: sil {{.*}} @$s21objc_async_from_swift15SlowSwiftServerC10requestIntSiyYaF
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-LABEL: sil private {{.*}} @${{.*}}10requestInt{{.*}}To :
// CHECK: [[BLOCK_COPY:%.*]] = copy_block %0
// CHECK: [[SELF:%.*]] = copy_value %1
// CHECK: [[CLOSURE_REF:%.*]] = function_ref [[CLOSURE_IMP:@\$.*10requestInt.*U_To]] :
// CHECK: [[CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[CLOSURE_REF]]([[BLOCK_COPY]], [[SELF]])
// CHECK: [[RUN_TASK:%.*]] = function_ref @${{.*}}29_runTaskForBridgedAsyncMethod
// CHECK: apply [[RUN_TASK]]([[CLOSURE]])
// CHECK: sil {{.*}} [[CLOSURE_IMP]]
// CHECK: [[BLOCK_COPY:%.*]] = copy_block %0
// CHECK: [[NATIVE_RESULT:%.*]] = apply{{.*}}@async
// CHECK: [[BLOCK_BORROW:%.*]] = begin_borrow [[BLOCK_COPY]]
// CHECK: apply [[BLOCK_BORROW]]([[NATIVE_RESULT]])
func requestInt() async -> Int { return 0 }
func requestString() async -> String { return "" }
// CHECK-LABEL: sil {{.*}} @$s21objc_async_from_swift15SlowSwiftServerC13requestStringSSyYaF
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-LABEL: sil {{.*}} @$s21objc_async_from_swift15SlowSwiftServerC16tryRequestStringSSyYaKF
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-LABEL: sil shared {{.*}} @${{.*}}16tryRequestString{{.*}}U_To :
// CHECK: [[BLOCK_COPY:%.*]] = copy_block %0
// CHECK: try_apply{{.*}}@async{{.*}}, normal [[NORMAL:bb[0-9]+]], error [[ERROR:bb[0-9]+]]
// CHECK: [[NORMAL]]([[NATIVE_RESULT:%.*]] : @owned $String):
// CHECK: [[BLOCK_BORROW:%.*]] = begin_borrow [[BLOCK_COPY]]
// CHECK: [[NIL_ERROR:%.*]] = enum $Optional<NSError>, #Optional.none
// CHECK: apply [[BLOCK_BORROW]]({{%.*}}, [[NIL_ERROR]])
// CHECK: [[ERROR]]([[NATIVE_RESULT:%.*]] : @owned $any Error):
// CHECK: [[BLOCK_BORROW:%.*]] = begin_borrow [[BLOCK_COPY]]
// CHECK: [[NIL_NSSTRING:%.*]] = enum $Optional<NSString>, #Optional.none
// CHECK: apply [[BLOCK_BORROW]]([[NIL_NSSTRING]], {{%.*}})
func tryRequestString() async throws -> String { return "" }
// CHECK-LABEL: sil {{.*}} @$s21objc_async_from_swift15SlowSwiftServerC19requestIntAndStringSi_SStyYaF
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
func requestIntAndString() async -> (Int, String) { return (0, "") }
// CHECK-LABEL: sil {{.*}} @$s21objc_async_from_swift15SlowSwiftServerC22tryRequestIntAndStringSi_SStyYaKF
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
func tryRequestIntAndString() async throws -> (Int, String) { return (0, "") }
}
protocol NativelySlowServing {
func doSomethingSlow(_: String) async -> Int
func findAnswer() async throws -> String
func serverRestart(_: String) async
func findMultipleAnswers() async throws -> (String, Int)
}
extension SlowServer: NativelySlowServing {}
class SlowServerlet: SlowServer {
// CHECK-LABEL: sil{{.*}}13SlowServerlet{{.*}}011doSomethingE8Nullably{{.*}}
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
override func doSomethingSlowNullably(_: String) async -> Int {
return 0
}
// CHECK-LABEL: sil{{.*}}13SlowServerlet{{.*}}18findAnswerNullably{{.*}}
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
override func findAnswerNullably(_ x: String) async -> String {
return x
}
// CHECK-LABEL: sil{{.*}}13SlowServerlet{{.*}}28doSomethingDangerousNullably{{.*}} :
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
override func doSomethingDangerousNullably(_ x: String) async throws -> String {
return x
}
// CHECK-LABEL: sil{{.*}}13SlowServerlet{{.*}}30doSomethingUnspecifiedNullably{{.*}} :
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
override func doSomethingUnspecifiedNullably() async throws -> String {
fatalError()
}
// CHECK-LABEL: sil{{.*}}13SlowServerlet{{.*}}17doSomethingFlaggy{{.*}} :
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-LABEL: sil private{{.*}}13SlowServerlet{{.*}}17doSomethingFlaggy{{.*}}To :
// CHECK: try_apply{{.*}}, normal [[NORMAL_BB:bb[0-9]+]], error [[ERROR_BB:bb[0-9]+]]
// CHECK: [[NORMAL_BB]]({{.*}}):
// CHECK: integer_literal {{.*}}0
// CHECK: [[ERROR_BB]]({{.*}}):
// CHECK: integer_literal {{.*}}1
override func doSomethingFlaggy() async throws -> String {
return ""
}
// CHECK-LABEL: sil{{.*}}13SlowServerlet{{.*}}21doSomethingZeroFlaggy{{.*}} :
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-LABEL: sil private{{.*}}13SlowServerlet{{.*}}21doSomethingZeroFlaggy{{.*}}To :
// CHECK: try_apply{{.*}}, normal [[NORMAL_BB:bb[0-9]+]], error [[ERROR_BB:bb[0-9]+]]
// CHECK: [[NORMAL_BB]]({{.*}}):
// CHECK: integer_literal {{.*}}1
// CHECK: [[ERROR_BB]]({{.*}}):
// CHECK: integer_literal {{.*}}0
override func doSomethingZeroFlaggy() async throws -> String {
return ""
}
// CHECK-LABEL: sil{{.*}}13SlowServerlet{{.*}}28doSomethingMultiResultFlaggy{{.*}} :
// CHECK: [[GENERIC_EXECUTOR:%.*]] = enum $Optional<Builtin.Executor>, #Optional.none
// CHECK: hop_to_executor [[GENERIC_EXECUTOR]] :
// CHECK-LABEL: sil private{{.*}}13SlowServerlet{{.*}}28doSomethingMultiResultFlaggy{{.*}}To :
// CHECK: try_apply{{.*}}, normal [[NORMAL_BB:bb[0-9]+]], error [[ERROR_BB:bb[0-9]+]]
// CHECK: [[NORMAL_BB]]({{.*}}):
// CHECK: integer_literal {{.*}}1
// CHECK: [[ERROR_BB]]({{.*}}):
// CHECK: integer_literal {{.*}}0
override func doSomethingMultiResultFlaggy() async throws -> (String, String) {
return ("", "")
}
}
@globalActor actor FooActor {
static var shared = FooActor()
}
@FooActor
class ActorConstrained: NSObject {
// ActorConstrained.foo()
// CHECK-LABEL: sil hidden [ossa] @$s{{.*}}16ActorConstrainedC3foo{{.*}} : $@convention(method) @async (@guaranteed ActorConstrained) -> Bool {
// CHECK: hop_to_executor {{%.*}} : $FooActor
// @objc ActorConstrained.foo()
// CHECK-LABEL: sil private [thunk] [ossa] @$s{{.*}}16ActorConstrainedC3foo{{.*}}To : $@convention(objc_method) (@convention(block) (Bool) -> (), ActorConstrained) -> () {
// CHECK: [[ASYNC_CLOS:%[0-9]+]] = function_ref @$s{{.*}}16ActorConstrainedC3foo{{.*}}U_To : $@convention(thin) @Sendable @async (@convention(block) (Bool) -> (), ActorConstrained) -> ()
// CHECK: [[PRIMED_CLOS:%[0-9]+]] = partial_apply [callee_guaranteed] [[ASYNC_CLOS]](
// CHECK: [[TASK_RUNNER:%[0-9]+]] = function_ref @$ss29_runTaskForBridgedAsyncMethodyyyyYaYbcnF
// CHECK: apply [[TASK_RUNNER]]([[PRIMED_CLOS]])
// @objc closure #1 in ActorConstrained.foo()
// CHECK-LABEL: sil shared [thunk] [ossa] @$s{{.*}}16ActorConstrainedC3foo{{.*}}U_To : $@convention(thin) @Sendable @async (@convention(block) (Bool) -> (), ActorConstrained) -> () {
// CHECK: hop_to_executor {{%.*}} : $FooActor
@objc func foo() async -> Bool {
return true
}
}
actor Dril: NSObject {
// Dril.postTo(twitter:)
// CHECK-LABEL: sil hidden [ossa] @$s{{.*}}4DrilC6postTo7twitter{{.*}} : $@convention(method) @async (@guaranteed String, @sil_isolated @guaranteed Dril) -> Bool {
// CHECK: hop_to_executor {{%.*}} : $Dril
// @objc Dril.postTo(twitter:)
// CHECK-LABEL: sil private [thunk] [ossa] @$s{{.*}}4DrilC6postTo7twitter{{.*}}To : $@convention(objc_method) (NSString, @convention(block) (Bool) -> (), @sil_isolated Dril) -> () {
// CHECK: [[ASYNC_CLOS:%[0-9]+]] = function_ref @$s{{.*}}4DrilC6postTo7twitter{{.*}}U_To : $@convention(thin) @Sendable @async (NSString, @convention(block) (Bool) -> (), @sil_isolated Dril) -> ()
// CHECK: [[PRIMED_CLOS:%[0-9]+]] = partial_apply [callee_guaranteed] [[ASYNC_CLOS]](
// CHECK: [[TASK_RUNNER:%[0-9]+]] = function_ref @$ss29_runTaskForBridgedAsyncMethodyyyyYaYbcnF
// CHECK: apply [[TASK_RUNNER]]([[PRIMED_CLOS]])
@objc func postTo(twitter msg: String) async -> Bool {
return true
}
// this is known to not emit a hop in the objc thunk (rdar://80972126)
@MainActor
@objc func postFromMainActorTo(twitter msg: String) -> Bool {
return true
}
}
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