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81885a67d0
We want SILGen to have a simplified view of its executor and know that whenever one sees an Actor, it is an actual actor instead of a Builtin.Executor. This just simplifies code. Also, we should eventually have an invariant that Builtin.Executor should only be allowed in LoweredSIL after LowerHopToExecutor has run. But that is a change for another day.
101 lines
8.4 KiB
Swift
101 lines
8.4 KiB
Swift
// RUN: %target-swift-emit-silgen %s -swift-version 6 -target %target-swift-5.1-abi-triple | %FileCheck %s
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// REQUIRES: asserts
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// REQUIRES: concurrency
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protocol P {
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nonisolated(nonsending) var prop: String { get async }
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nonisolated(nonsending) func fn() async
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}
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struct S: P {
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var prop: String {
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get async { "" }
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}
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func fn() async {
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}
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}
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// CHECK-LABEL: sil hidden [ossa] @$s9witnesses21testMainActorDispatch1tyx_tYaAA1PRzlF : $@convention(thin) @async <T where T : P> (@in_guaranteed T) -> ()
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// CHECK: [[MAIN_ACTOR_TYPE:%.*]] = metatype $@thick MainActor.Type
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// CHECK: [[MAIN_ACTOR:%.*]] = apply {{.*}}([[MAIN_ACTOR_TYPE]]) : $@convention(method) (@thick MainActor.Type) -> @owned MainActor
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// CHECK-NEXT: [[BORROWED_MAIN_ACTOR:%.*]] = begin_borrow [[MAIN_ACTOR]]
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// CHECK-NEXT: hop_to_executor [[BORROWED_MAIN_ACTOR]]
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// CHECK-NEXT: [[MAIN_ACTOR_COPY:%.*]] = copy_value [[BORROWED_MAIN_ACTOR]]
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// CHECK-NEXT: [[ERASED_TO_ACTOR:%.*]] = init_existential_ref [[MAIN_ACTOR_COPY]] : $MainActor : $MainActor, $any Actor
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// CHECK-NEXT: [[CONTEXT_ISOLATION:%.*]] = enum $Optional<any Actor>, #Optional.some!enumelt, [[ERASED_TO_ACTOR]]
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// CHECK-NEXT: [[PROP_WITNESS:%.*]] = witness_method $T, #P.prop!getter : <Self where Self : P> (Self) -> () async -> String : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> @owned String
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// CHECK-NEXT: {{.*}} = apply [[PROP_WITNESS]]<T>([[CONTEXT_ISOLATION]], %0) : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> @owned String
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// CHECK: hop_to_executor [[BORROWED_MAIN_ACTOR]]
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// CHECK: [[MAIN_ACTOR_COPY:%.*]] = copy_value [[BORROWED_MAIN_ACTOR]]
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// CHECK-NEXT: [[ERASED_TO_ACTOR:%.*]] = init_existential_ref [[MAIN_ACTOR_COPY]] : $MainActor : $MainActor, $any Actor
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// CHECK-NEXT: [[CONTEXT_ISOLATION:%.*]] = enum $Optional<any Actor>, #Optional.some!enumelt, [[ERASED_TO_ACTOR]]
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// CHECK-NEXT: [[FN_WITNESS:%.*]] = witness_method $T, #P.fn : <Self where Self : P> (Self) -> () async -> () : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> ()
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// CHECK-NEXT: {{.*}} = apply [[FN_WITNESS]]<T>([[CONTEXT_ISOLATION]], %0) : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> ()
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// CHECK: } // end sil function '$s9witnesses21testMainActorDispatch1tyx_tYaAA1PRzlF'
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@MainActor
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func testMainActorDispatch<T: P>(t: T) async {
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_ = await t.prop
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_ = await t.fn()
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}
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// CHECK-LABEL: sil hidden [ossa] @$s9witnesses19testGenericExecutor1tyx_tYaAA1PRzlF : $@convention(thin) @async <T where T : P> (@in_guaranteed T) -> ()
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// CHECK: [[CONTEXT_ISOLATION:%.*]] = enum $Optional<any Actor>, #Optional.none!enumelt
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// CHECK-NEXT: hop_to_executor [[CONTEXT_ISOLATION]]
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// CHECK-NEXT: [[PROP_WITNESS:%.*]] = witness_method $T, #P.prop!getter : <Self where Self : P> (Self) -> () async -> String : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> @owned String
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// CHECK-NEXT: {{.*}} = apply [[PROP_WITNESS]]<T>([[CONTEXT_ISOLATION]], %0) : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> @owned String
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// CHECK-NEXT: hop_to_executor [[CONTEXT_ISOLATION]]
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// CHECK: [[FN_WITNESS:%.*]] = witness_method $T, #P.fn : <Self where Self : P> (Self) -> () async -> () : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> ()
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// CHECK-NEXT: {{.*}} = apply [[FN_WITNESS]]<T>([[CONTEXT_ISOLATION]], %0) : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> ()
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// CHECK: } // end sil function '$s9witnesses19testGenericExecutor1tyx_tYaAA1PRzlF'
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func testGenericExecutor<T: P>(t: T) async {
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_ = await t.prop
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_ = await t.fn()
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}
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actor Test {
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// CHECK-LABEL: sil hidden [ossa] @$s9witnesses4TestC4test1tyx_tYaAA1PRzlF : $@convention(method) @async <T where T : P> (@in_guaranteed T, @sil_isolated @guaranteed Test) -> ()
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// CHECK: bb0(%0 : $*T, [[ACTOR:%.*]] : @guaranteed $Test):
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// CHECK: hop_to_executor [[ACTOR]]
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// CHECK-NEXT: [[ACTOR_COPY:%.*]] = copy_value [[ACTOR]]
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// CHECK-NEXT: [[ERASED_TO_ACTOR:%.*]] = init_existential_ref [[ACTOR_COPY]] : $Test : $Test, $any Actor
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// CHECK-NEXT: [[CONTEXT_ISOLATION:%.*]] = enum $Optional<any Actor>, #Optional.some!enumelt, [[ERASED_TO_ACTOR]]
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// CHECK-NEXT: [[PROP_WITNESS:%.*]] = witness_method $T, #P.prop!getter : <Self where Self : P> (Self) -> () async -> String : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> @owned String
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// CHECK-NEXT: {{.*}} = apply [[PROP_WITNESS]]<T>([[CONTEXT_ISOLATION]], %0) : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> @owned String
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// CHECK: hop_to_executor [[ACTOR]]
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// CHECK: [[ACTOR_COPY:%.*]] = copy_value [[ACTOR]]
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// CHECK-NEXT: [[ERASED_TO_ACTOR:%.*]] = init_existential_ref [[ACTOR_COPY]] : $Test : $Test, $any Actor
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// CHECK-NEXT: [[CONTEXT_ISOLATION:%.*]] = enum $Optional<any Actor>, #Optional.some!enumelt, [[ERASED_TO_ACTOR]]
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// CHECK-NEXT: [[FN_WITNESS:%.*]] = witness_method $T, #P.fn : <Self where Self : P> (Self) -> () async -> () : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> ()
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// CHECK-NEXT: {{.*}} = apply [[FN_WITNESS]]<T>([[CONTEXT_ISOLATION]], %0) : $@convention(witness_method: P) @async <τ_0_0 where τ_0_0 : P> (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, @in_guaranteed τ_0_0) -> ()
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// CHECK: } // end sil function '$s9witnesses4TestC4test1tyx_tYaAA1PRzlF'
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func test<T: P>(t: T) async {
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_ = await t.prop
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_ = await t.fn()
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}
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}
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// CHECK-LABEL: sil hidden [ossa] @$s9witnesses14testDirectCall1syAA1SV_tYaF : $@convention(thin) @async (S) -> ()
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// CHECK: [[MAIN_ACTOR_TYPE:%.*]] = metatype $@thick MainActor.Type
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// CHECK: [[MAIN_ACTOR:%.*]] = apply {{.*}}([[MAIN_ACTOR_TYPE]]) : $@convention(method) (@thick MainActor.Type) -> @owned MainActor
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// CHECK-NEXT: [[BORROWED_MAIN_ACTOR:%.*]] = begin_borrow [[MAIN_ACTOR]]
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// CHECK-NEXT: hop_to_executor [[BORROWED_MAIN_ACTOR]]
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// CHECK-NEXT: [[MAIN_ACTOR_COPY:%.*]] = copy_value [[BORROWED_MAIN_ACTOR]]
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// CHECK-NEXT: [[ERASED_TO_ACTOR:%.*]] = init_existential_ref [[MAIN_ACTOR_COPY]] : $MainActor : $MainActor, $any Actor
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// CHECK-NEXT: [[CONTEXT_ISOLATION:%.*]] = enum $Optional<any Actor>, #Optional.some!enumelt, [[ERASED_TO_ACTOR]]
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// CHECK: [[PROP_REF:%.*]] = function_ref @$s9witnesses1SV4propSSvg : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, S) -> @owned String
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// CHECK-NEXT: {{.*}} = apply [[PROP_REF]]([[CONTEXT_ISOLATION]], %0) : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, S) -> @owned String
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// CHECK: hop_to_executor [[BORROWED_MAIN_ACTOR]]
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// CHECK: [[MAIN_ACTOR_COPY:%.*]] = copy_value [[BORROWED_MAIN_ACTOR]]
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// CHECK-NEXT: [[ERASED_TO_ACTOR:%.*]] = init_existential_ref [[MAIN_ACTOR_COPY]] : $MainActor : $MainActor, $any Actor
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// CHECK-NEXT: [[CONTEXT_ISOLATION:%.*]] = enum $Optional<any Actor>, #Optional.some!enumelt, [[ERASED_TO_ACTOR]]
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// CHECK: [[FN_REF:%.*]] = function_ref @$s9witnesses1SV2fnyyYaF : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, S) -> ()
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// CHECK-NEXT: {{.*}} = apply [[FN_REF]]([[CONTEXT_ISOLATION]], %0) : $@convention(method) @async (@sil_isolated @sil_implicit_leading_param @guaranteed Optional<any Actor>, S) -> ()
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// CHECK: } // end sil function '$s9witnesses14testDirectCall1syAA1SV_tYaF'
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@MainActor
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func testDirectCall(s: S) async {
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_ = await s.prop
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_ = await s.fn()
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}
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