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// RUN: %target-swift-emit-silgen -I %t -disable-availability-checking -strict-concurrency=complete -enable-upcoming-feature IsolatedDefaultValues -parse-as-library %s | %FileCheck %s
// REQUIRES: concurrency
// REQUIRES: asserts
@MainActor
func requiresMainActor() -> Int { 0 }
// CHECK-LABEL: sil hidden [ossa] @$s30isolated_default_argument_eval19mainActorDefaultArg5valueS2i_tFfA_
@discardableResult
@MainActor
func mainActorDefaultArg(value: Int = requiresMainActor()) -> Int {
value
}
@MainActor
func mainActorMultiDefaultArg(x: Int = requiresMainActor(),
y: Int = 0,
tuple: (Int, Int) = (requiresMainActor(), 2),
z: Int = 0) {}
// CHECK-LABEL: sil hidden [ossa] @$s30isolated_default_argument_eval15mainActorCalleryyF
@MainActor func mainActorCaller() {
mainActorDefaultArg()
mainActorMultiDefaultArg()
}
// CHECK-LABEL: sil hidden [ossa] @$s30isolated_default_argument_eval22nonisolatedAsyncCalleryyYaF
func nonisolatedAsyncCaller() async {
// CHECK: hop_to_executor {{.*}} : $Optional<Builtin.Executor>
// CHECK: hop_to_executor {{.*}} : $MainActor
// CHECK: [[GET_VALUE:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval19mainActorDefaultArg5valueS2i_tFfA_
// CHECK-NEXT: apply [[GET_VALUE]]()
// CHECK: hop_to_executor {{.*}} : $Optional<Builtin.Executor>
await mainActorDefaultArg()
// CHECK: hop_to_executor {{.*}} : $MainActor
// CHECK: [[GET_X:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval24mainActorMultiDefaultArg1x1y5tuple1zySi_S2i_SitSitFfA_
// CHECK-NEXT: apply [[GET_X]]()
// CHECK-NOT: hop_to_executor
// CHECK: [[GET_Y:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval24mainActorMultiDefaultArg1x1y5tuple1zySi_S2i_SitSitFfA0_
// CHECK-NEXT: apply [[GET_Y]]()
// CHECK-NOT: hop_to_executor
// CHECK: [[GET_TUPLE:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval24mainActorMultiDefaultArg1x1y5tuple1zySi_S2i_SitSitFfA1_
// CHECK-NEXT: apply [[GET_TUPLE]]()
// CHECK-NOT: hop_to_executor
// CHECK: [[GET_Z:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval24mainActorMultiDefaultArg1x1y5tuple1zySi_S2i_SitSitFfA2_
// CHECK-NEXT: apply [[GET_Z]]()
// CHECK: hop_to_executor {{.*}} : $Optional<Builtin.Executor>
await mainActorMultiDefaultArg()
}
@MainActor
func isolatedDefaultInoutMix(x: inout Int, y: Int, z: Int = requiresMainActor()) {}
var argValue: Int { 0 }
// CHECK-LABEL: sil hidden [ossa] @$s30isolated_default_argument_eval20passInoutWithDefaultyyYaF
func passInoutWithDefault() async {
// CHECK: hop_to_executor {{.*}} : $Optional<Builtin.Executor>
var x = 0
// CHECK: [[GET_ARG_VALUE:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval8argValueSivg
// CHECK-NEXT: [[ARG_VALUE:%[0-9]+]] = apply [[GET_ARG_VALUE]]()
// CHECK-NEXT: [[INOUT_X:%[0-9]+]] = begin_access [modify]
// CHECK: hop_to_executor {{.*}} : $MainActor
// CHECK: [[GET_Z:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval0A15DefaultInoutMix1x1y1zySiz_S2itFfA1_
// CHECK-NEXT: [[Z:%[0-9]+]] = apply [[GET_Z]]()
// CHECK: [[FN:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval0A15DefaultInoutMix1x1y1zySiz_S2itF : $@convention(thin) (@inout Int, Int, Int) -> ()
// CHECK: apply [[FN]]([[INOUT_X]], [[ARG_VALUE]], [[Z]])
// CHECK: hop_to_executor {{.*}} : $Optional<Builtin.Executor>
await isolatedDefaultInoutMix(x: &x, y: argValue)
}
// default argument 0 of noSuspensionInDefaultArgGenerator(_:)
// CHECK-LABEL: sil hidden [ossa] @$s30isolated_default_argument_eval33noSuspensionInDefaultArgGeneratoryySiFfA_
// CHECK: [[NESTED_DEFAULT_REF:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval19mainActorDefaultArg5valueS2i_tFfA_ : $@convention(thin) () -> Int
// CHECK-NEXT: [[NESTED_DEFAULT:%[0-9]+]] = apply [[NESTED_DEFAULT_REF]]() : $@convention(thin) () -> Int
// CHECK: [[DEFAULT_REF:%[0-9]+]] = function_ref @$s30isolated_default_argument_eval19mainActorDefaultArg5valueS2i_tF : $@convention(thin) (Int) -> Int
// CHECK-NEXT: [[RESULT:%[0-9]+]] = apply [[DEFAULT_REF]]([[NESTED_DEFAULT]]) : $@convention(thin) (Int) -> Int
// CHECK-NEXT: return [[RESULT]] : $Int
// CHECK-LABEL: sil hidden [ossa] @$s30isolated_default_argument_eval33noSuspensionInDefaultArgGeneratoryySiF
@MainActor func noSuspensionInDefaultArgGenerator(
_ x: Int = mainActorDefaultArg()
) {}
func testNoSuspensionInDefaultArgGenerator() async {
await noSuspensionInDefaultArgGenerator()
}
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