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c781ac02ad
We checked isMutating() on the accessor, and if it was false, called isNonMutatingSelfIndirect(), which would assert that the accessor satisfies isNonMutating(). However, isNonMutating() is not the opposite of isMutating(); rather, one of isMutating(), isNonMutating() or isConsuming() is true. Change the assertion to reflect this case. Fixes rdar://problem/74095841.
87 lines
5.8 KiB
Swift
87 lines
5.8 KiB
Swift
// RUN: %target-swift-emit-silgen -emit-verbose-sil %s | %FileCheck %s
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protocol OwnershipProto {
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__consuming func elided(_ default: String, _ shared: __shared String, _ owned: __owned String)
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__consuming func explicit(_ default: String, _ shared: __shared String, _ owned: __owned String)
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var elidedPropertyGet: String { __consuming get }
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var explicitPropertyGet: String { __consuming get }
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}
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struct Witness: OwnershipProto {
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var x: String
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func elided(_ default: String, _ shared: String, _ owned: String) { }
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__consuming func explicit(_ default: String, _ toShared: __shared String, _ toOwned: __owned String) { }
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var elidedPropertyGet: String { return "" }
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var explicitPropertyGet: String { __consuming get { return "" } }
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}
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// Check the conventions of the witnesses
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// CHECK-LABEL: sil hidden [ossa] @$s15value_ownership7WitnessV6elidedyySS_S2StF : $@convention(method) (@guaranteed String, @guaranteed String, @guaranteed String, @guaranteed Witness) -> () {
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// CHECK-LABEL: sil hidden [ossa] @$s15value_ownership7WitnessV8explicityySS_SShSSntF : $@convention(method) (@guaranteed String, @guaranteed String, @owned String, @owned Witness) -> () {
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// CHECK-LABEL: sil hidden [ossa] @$s15value_ownership7WitnessV17elidedPropertyGetSSvg : $@convention(method) (@guaranteed Witness) -> @owned String
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// CHECK-LABEL: sil hidden [ossa] @$s15value_ownership7WitnessV19explicitPropertyGetSSvg : $@convention(method) (@owned Witness) -> @owned String
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// Check the elided witness' thunk has the right conventions and borrows where necessary
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// CHECK-LABEL: @$s15value_ownership7WitnessVAA14OwnershipProtoA2aDP6elidedyySS_SShSSntFTW :
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// CHECK: bb0([[DEFAULT2DEFAULT:%.*]] : @guaranteed $String, [[SHARED2DEFAULT:%.*]] : @guaranteed $String, [[OWNED2DEFAULT:%.*]] : @owned $String, [[WITNESS_VALUE:%.*]] : $*Witness):
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// CHECK: [[LOAD_WITNESS:%.*]] = load [take] [[WITNESS_VALUE]] : $*Witness
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// CHECK: [[BORROW_WITNESS:%.*]] = begin_borrow [[LOAD_WITNESS]]
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// CHECK: [[WITNESS_FUNC:%.*]] = function_ref @$s15value_ownership7WitnessV6elidedyySS_S2StF
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// CHECK: [[BORROWOWNED2DEFAULT:%.*]] = begin_borrow [[OWNED2DEFAULT]] : $String
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// CHECK: apply [[WITNESS_FUNC]]([[DEFAULT2DEFAULT]], [[SHARED2DEFAULT]], [[BORROWOWNED2DEFAULT]], [[BORROW_WITNESS]])
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// CHECK: end_borrow [[BORROWOWNED2DEFAULT]] : $String
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// CHECK: end_borrow [[BORROW_WITNESS]]
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// CHECK: destroy_value [[LOAD_WITNESS]]
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// CHECK: } // end sil function '$s15value_ownership7WitnessVAA14OwnershipProtoA2aDP6elidedyySS_SShSSntFTW'
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// Check that the explicit witness' thunk doesn't copy or borrow
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// CHECK-LABEL: @$s15value_ownership7WitnessVAA14OwnershipProtoA2aDP8explicityySS_SShSSntFTW :
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// CHECK: bb0([[ARG0:%.*]] : @guaranteed $String, [[ARG1:%.*]] : @guaranteed $String, [[ARG2:%.*]] : @owned $String, [[WITNESS_VALUE:%.*]] : $*Witness):
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// CHECK-NEXT: [[LOAD_WITNESS:%.*]] = load [take] [[WITNESS_VALUE]] : $*Witness
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// CHECK-NEXT: // function_ref Witness.explicit(_:_:_:)
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// CHECK-NEXT: [[WITNESS_FUNC:%.*]] = function_ref @$s15value_ownership7WitnessV8explicityySS_SShSSntF
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// CHECK-NEXT: apply [[WITNESS_FUNC]]([[ARG0]], [[ARG1]], [[ARG2]], [[LOAD_WITNESS]])
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// CHECK: } // end sil function '$s15value_ownership7WitnessVAA14OwnershipProtoA2aDP8explicityySS_SShSSntFTW'
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// Check the signature of the property accessor witness thunks.
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// If a protocol asks for a __consuming get it should get a +1-in +1-out
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// accessor entry point in its witness table.
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// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15value_ownership7WitnessVAA14OwnershipProtoA2aDP17elidedPropertyGetSSvgTW :
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// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15value_ownership7WitnessVAA14OwnershipProtoA2aDP19explicitPropertyGetSSvgTW :
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// Check that references to a consuming getter are lowered properly.
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func blackHole<T>(_: T) {}
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// CHECK-LABEL: sil hidden [ossa] @$s15value_ownership25useConsumingGetterGenericyyxAA14OwnershipProtoRzlF : $@convention(thin) <T where T : OwnershipProto> (@in_guaranteed T) -> () {
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func useConsumingGetterGeneric<T : OwnershipProto>(_ t: T) {
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// CHECK: [[FN:%.*]] = witness_method $T, #OwnershipProto.explicitPropertyGet!getter : <Self where Self : OwnershipProto> (__owned Self) -> () -> String : $@convention(witness_method: OwnershipProto) <τ_0_0 where τ_0_0 : OwnershipProto> (@in τ_0_0) -> @owned String
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// CHECK-NEXT: apply [[FN]]<T>({{%.*}}) : $@convention(witness_method: OwnershipProto) <τ_0_0 where τ_0_0 : OwnershipProto> (@in τ_0_0) -> @owned String
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blackHole(t.explicitPropertyGet)
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}
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// CHECK-LABEL: sil hidden [ossa] @$s15value_ownership29useConsumingGetterExistentialyyAA14OwnershipProto_pF : $@convention(thin) (@in_guaranteed OwnershipProto) -> () {
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func useConsumingGetterExistential(_ e: OwnershipProto) {
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// CHECK: [[FN:%.*]] = witness_method $@opened("{{.*}}") OwnershipProto, #OwnershipProto.explicitPropertyGet!getter : <Self where Self : OwnershipProto> (__owned Self) -> () -> String, %2 : $*@opened("{{.*}}") OwnershipProto : $@convention(witness_method: OwnershipProto) <τ_0_0 where τ_0_0 : OwnershipProto> (@in τ_0_0) -> @owned String
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// CHECK-NEXT: apply [[FN]]<@opened("{{.*}}") OwnershipProto>({{%.*}}) : $@convention(witness_method: OwnershipProto) <τ_0_0 where τ_0_0 : OwnershipProto> (@in τ_0_0) -> @owned String
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blackHole(e.explicitPropertyGet)
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}
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// CHECK-LABEL: sil hidden [ossa] @$s15value_ownership26useConsumingGetterConcreteyyAA7WitnessVF : $@convention(thin) (@guaranteed Witness) -> () {
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func useConsumingGetterConcrete(_ c: Witness) {
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// CHECK: [[FN:%.*]] = function_ref @$s15value_ownership7WitnessV19explicitPropertyGetSSvg : $@convention(method) (@owned Witness) -> @owned String
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// CHECK-NEXT: apply [[FN]]({{%.*}}) : $@convention(method) (@owned Witness) -> @owned String
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blackHole(c.explicitPropertyGet)
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} |