| // RUN: %target-swift-frontend -emit-silgen -enable-sil-ownership -primary-file %s | %FileCheck %s |
| // RUN: %target-swift-frontend -emit-ir -enable-sil-ownership -primary-file %s |
| |
| // Check SILGen against various FunctionConversionExprs emitted by Sema. |
| |
| // ==== Representation conversions |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion7cToFuncS2icS2iXCF : $@convention(thin) (@convention(c) (Int) -> Int) -> @owned @callee_owned (Int) -> Int |
| // CHECK: [[THUNK:%.*]] = function_ref @_T0S2iItCyd_S2iIxyd_TR |
| // CHECK: [[FUNC:%.*]] = partial_apply [[THUNK]](%0) |
| // CHECK: return [[FUNC]] |
| func cToFunc(_ arg: @escaping @convention(c) (Int) -> Int) -> (Int) -> Int { |
| return arg |
| } |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion8cToBlockS2iXBS2iXCF : $@convention(thin) (@convention(c) (Int) -> Int) -> @owned @convention(block) (Int) -> Int |
| // CHECK: [[BLOCK_STORAGE:%.*]] = alloc_stack $@block_storage |
| // CHECK: [[BLOCK:%.*]] = init_block_storage_header [[BLOCK_STORAGE]] |
| // CHECK: [[COPY:%.*]] = copy_block [[BLOCK]] : $@convention(block) (Int) -> Int |
| // CHECK: return [[COPY]] |
| func cToBlock(_ arg: @escaping @convention(c) (Int) -> Int) -> @convention(block) (Int) -> Int { |
| return arg |
| } |
| |
| // ==== Throws variance |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion12funcToThrowsyyKcyycF : $@convention(thin) (@owned @callee_owned () -> ()) -> @owned @callee_owned () -> @error Error |
| // CHECK: bb0([[ARG:%.*]] : @owned $@callee_owned () -> ()): |
| // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]] |
| // CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]] |
| // CHECK: [[FUNC:%.*]] = convert_function [[ARG_COPY]] : $@callee_owned () -> () to $@callee_owned () -> @error Error |
| // CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]] |
| // CHECK: destroy_value [[ARG]] |
| // CHECK: return [[FUNC]] |
| // CHECK: } // end sil function '_T019function_conversion12funcToThrowsyyKcyycF' |
| func funcToThrows(_ x: @escaping () -> ()) -> () throws -> () { |
| return x |
| } |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion12thinToThrowsyyKXfyyXfF : $@convention(thin) (@convention(thin) () -> ()) -> @convention(thin) () -> @error Error |
| // CHECK: [[FUNC:%.*]] = convert_function %0 : $@convention(thin) () -> () to $@convention(thin) () -> @error Error |
| // CHECK: return [[FUNC]] : $@convention(thin) () -> @error Error |
| func thinToThrows(_ x: @escaping @convention(thin) () -> ()) -> @convention(thin) () throws -> () { |
| return x |
| } |
| |
| // FIXME: triggers an assert because we always do a thin to thick conversion on DeclRefExprs |
| /* |
| func thinFunc() {} |
| |
| func thinToThrows() { |
| let _: @convention(thin) () -> () = thinFunc |
| } |
| */ |
| |
| // ==== Class downcasts and upcasts |
| |
| class Feral {} |
| class Domesticated : Feral {} |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion12funcToUpcastAA5FeralCycAA12DomesticatedCycF : $@convention(thin) (@owned @callee_owned () -> @owned Domesticated) -> @owned @callee_owned () -> @owned Feral { |
| // CHECK: bb0([[ARG:%.*]] : @owned $@callee_owned () -> @owned Domesticated): |
| // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]] |
| // CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]] |
| // CHECK: [[FUNC:%.*]] = convert_function [[ARG_COPY]] : $@callee_owned () -> @owned Domesticated to $@callee_owned () -> @owned Feral |
| // CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]] |
| // CHECK: destroy_value [[ARG]] |
| // CHECK: return [[FUNC]] |
| // CHECK: } // end sil function '_T019function_conversion12funcToUpcastAA5FeralCycAA12DomesticatedCycF' |
| func funcToUpcast(_ x: @escaping () -> Domesticated) -> () -> Feral { |
| return x |
| } |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion12funcToUpcastyAA12DomesticatedCcyAA5FeralCcF : $@convention(thin) (@owned @callee_owned (@owned Feral) -> ()) -> @owned @callee_owned (@owned Domesticated) -> () |
| // CHECK: bb0([[ARG:%.*]] : |
| // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]] |
| // CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]] |
| // CHECK: [[FUNC:%.*]] = convert_function [[ARG_COPY]] : $@callee_owned (@owned Feral) -> () to $@callee_owned (@owned Domesticated) -> (){{.*}} |
| // CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]] |
| // CHECK: destroy_value [[ARG]] |
| // CHECK: return [[FUNC]] |
| func funcToUpcast(_ x: @escaping (Feral) -> ()) -> (Domesticated) -> () { |
| return x |
| } |
| |
| // ==== Optionals |
| |
| struct Trivial { |
| let n: Int8 |
| } |
| |
| class C { |
| let n: Int8 |
| |
| init(n: Int8) { |
| self.n = n |
| } |
| } |
| |
| struct Loadable { |
| let c: C |
| |
| var n: Int8 { |
| return c.n |
| } |
| |
| init(n: Int8) { |
| c = C(n: n) |
| } |
| } |
| |
| struct AddrOnly { |
| let a: Any |
| |
| var n: Int8 { |
| return a as! Int8 |
| } |
| |
| init(n: Int8) { |
| a = n |
| } |
| } |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion19convOptionalTrivialyAA0E0VADSgcF |
| func convOptionalTrivial(_ t1: @escaping (Trivial?) -> Trivial) { |
| // CHECK: function_ref @_T019function_conversion7TrivialVSgACIxyd_AcDIxyd_TR |
| // CHECK: partial_apply |
| let _: (Trivial) -> Trivial? = t1 |
| |
| // CHECK: function_ref @_T019function_conversion7TrivialVSgACIxyd_A2DIxyd_TR |
| // CHECK: partial_apply |
| let _: (Trivial!) -> Trivial? = t1 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion7TrivialVSgACIxyd_AcDIxyd_TR : $@convention(thin) (Trivial, @owned @callee_owned (Optional<Trivial>) -> Trivial) -> Optional<Trivial> |
| // CHECK: enum $Optional<Trivial> |
| // CHECK-NEXT: apply %1(%2) |
| // CHECK-NEXT: enum $Optional<Trivial> |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion7TrivialVSgACIxyd_A2DIxyd_TR : $@convention(thin) (Optional<Trivial>, @owned @callee_owned (Optional<Trivial>) -> Trivial) -> Optional<Trivial> |
| // CHECK: apply %1(%0) |
| // CHECK-NEXT: enum $Optional<Trivial> |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion20convOptionalLoadableyAA0E0VADSgcF |
| func convOptionalLoadable(_ l1: @escaping (Loadable?) -> Loadable) { |
| // CHECK: function_ref @_T019function_conversion8LoadableVSgACIxxo_AcDIxxo_TR |
| // CHECK: partial_apply |
| let _: (Loadable) -> Loadable? = l1 |
| |
| // CHECK: function_ref @_T019function_conversion8LoadableVSgACIxxo_A2DIxxo_TR |
| // CHECK: partial_apply |
| let _: (Loadable!) -> Loadable? = l1 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion8LoadableVSgACIxxo_A2DIxxo_TR : $@convention(thin) (@owned Optional<Loadable>, @owned @callee_owned (@owned Optional<Loadable>) -> @owned Loadable) -> @owned Optional<Loadable> |
| // CHECK: apply %1(%0) |
| // CHECK-NEXT: enum $Optional<Loadable> |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion20convOptionalAddrOnlyyAA0eF0VADSgcF |
| func convOptionalAddrOnly(_ a1: @escaping (AddrOnly?) -> AddrOnly) { |
| // CHECK: function_ref @_T019function_conversion8AddrOnlyVSgACIxir_A2DIxir_TR |
| // CHECK: partial_apply |
| let _: (AddrOnly?) -> AddrOnly? = a1 |
| |
| // CHECK: function_ref @_T019function_conversion8AddrOnlyVSgACIxir_A2DIxir_TR |
| // CHECK: partial_apply |
| let _: (AddrOnly!) -> AddrOnly? = a1 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion8AddrOnlyVSgACIxir_A2DIxir_TR : $@convention(thin) (@in Optional<AddrOnly>, @owned @callee_owned (@in Optional<AddrOnly>) -> @out AddrOnly) -> @out Optional<AddrOnly> |
| // CHECK: alloc_stack $AddrOnly |
| // CHECK-NEXT: apply %2(%3, %1) |
| // CHECK-NEXT: init_enum_data_addr %0 : $*Optional<AddrOnly> |
| // CHECK-NEXT: copy_addr [take] {{.*}} to [initialization] {{.*}} : $*AddrOnly |
| // CHECK-NEXT: inject_enum_addr %0 : $*Optional<AddrOnly> |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: dealloc_stack {{.*}} : $*AddrOnly |
| // CHECK-NEXT: return |
| |
| // ==== Existentials |
| |
| protocol Q { |
| var n: Int8 { get } |
| } |
| |
| protocol P : Q {} |
| |
| extension Trivial : P {} |
| extension Loadable : P {} |
| extension AddrOnly : P {} |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion22convExistentialTrivialyAA0E0VAA1Q_pc_AdaE_pSgc2t3tF |
| func convExistentialTrivial(_ t2: @escaping (Q) -> Trivial, t3: @escaping (Q?) -> Trivial) { |
| // CHECK: function_ref @_T019function_conversion1Q_pAA7TrivialVIxid_AdA1P_pIxyr_TR |
| // CHECK: partial_apply |
| let _: (Trivial) -> P = t2 |
| |
| // CHECK: function_ref @_T019function_conversion1Q_pSgAA7TrivialVIxid_AESgAA1P_pIxyr_TR |
| // CHECK: partial_apply |
| let _: (Trivial?) -> P = t3 |
| |
| // CHECK: function_ref @_T019function_conversion1Q_pAA7TrivialVIxid_AA1P_pAaE_pIxir_TR |
| // CHECK: partial_apply |
| let _: (P) -> P = t2 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion1Q_pAA7TrivialVIxid_AdA1P_pIxyr_TR : $@convention(thin) (Trivial, @owned @callee_owned (@in Q) -> Trivial) -> @out P |
| // CHECK: alloc_stack $Q |
| // CHECK-NEXT: init_existential_addr |
| // CHECK-NEXT: store |
| // CHECK-NEXT: apply |
| // CHECK-NEXT: init_existential_addr |
| // CHECK-NEXT: store |
| // CHECK: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion1Q_pSgAA7TrivialVIxid_AESgAA1P_pIxyr_TR |
| // CHECK: switch_enum |
| // CHECK: bb1([[TRIVIAL:%.*]] : @trivial $Trivial): |
| // CHECK: init_existential_addr |
| // CHECK: init_enum_data_addr |
| // CHECK: copy_addr |
| // CHECK: inject_enum_addr |
| // CHECK: bb2: |
| // CHECK: inject_enum_addr |
| // CHECK: bb3: |
| // CHECK: apply |
| // CHECK: init_existential_addr |
| // CHECK: store |
| // CHECK: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion1Q_pAA7TrivialVIxid_AA1P_pAaE_pIxir_TR : $@convention(thin) (@in P, @owned @callee_owned (@in Q) -> Trivial) -> @out P |
| // CHECK: alloc_stack $Q |
| // CHECK-NEXT: open_existential_addr immutable_access %1 : $*P |
| // CHECK-NEXT: init_existential_addr %3 : $*Q |
| // CHECK-NEXT: copy_addr {{.*}} to [initialization] {{.*}} |
| // CHECK-NEXT: apply |
| // CHECK-NEXT: init_existential_addr |
| // CHECK-NEXT: store |
| // CHECK: destroy_addr |
| // CHECK: return |
| |
| // ==== Existential metatypes |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion23convExistentialMetatypeyAA7TrivialVmAA1Q_pXpSgcF |
| func convExistentialMetatype(_ em: @escaping (Q.Type?) -> Trivial.Type) { |
| // CHECK: function_ref @_T019function_conversion1Q_pXmTSgAA7TrivialVXMtIxyd_AEXMtAA1P_pXmTIxyd_TR |
| // CHECK: partial_apply |
| let _: (Trivial.Type) -> P.Type = em |
| |
| // CHECK: function_ref @_T019function_conversion1Q_pXmTSgAA7TrivialVXMtIxyd_AEXMtSgAA1P_pXmTIxyd_TR |
| // CHECK: partial_apply |
| let _: (Trivial.Type?) -> P.Type = em |
| |
| // CHECK: function_ref @_T019function_conversion1Q_pXmTSgAA7TrivialVXMtIxyd_AA1P_pXmTAaF_pXmTIxyd_TR |
| // CHECK: partial_apply |
| let _: (P.Type) -> P.Type = em |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion1Q_pXmTSgAA7TrivialVXMtIxyd_AEXMtAA1P_pXmTIxyd_TR : $@convention(thin) (@thin Trivial.Type, @owned @callee_owned (Optional<@thick Q.Type>) -> @thin Trivial.Type) -> @thick P.Type |
| // CHECK: metatype $@thick Trivial.Type |
| // CHECK-NEXT: init_existential_metatype %2 : $@thick Trivial.Type, $@thick Q.Type |
| // CHECK-NEXT: enum $Optional<@thick Q.Type> |
| // CHECK-NEXT: apply |
| // CHECK-NEXT: metatype $@thick Trivial.Type |
| // CHECK-NEXT: init_existential_metatype {{.*}} : $@thick Trivial.Type, $@thick P.Type |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion1Q_pXmTSgAA7TrivialVXMtIxyd_AEXMtSgAA1P_pXmTIxyd_TR : $@convention(thin) (Optional<@thin Trivial.Type>, @owned @callee_owned (Optional<@thick Q.Type>) -> @thin Trivial.Type) -> @thick P.Type |
| // CHECK: switch_enum %0 : $Optional<@thin Trivial.Type> |
| // CHECK: bb1([[META:%.*]] : @trivial $@thin Trivial.Type): |
| // CHECK-NEXT: metatype $@thick Trivial.Type |
| // CHECK-NEXT: init_existential_metatype {{.*}} : $@thick Trivial.Type, $@thick Q.Type |
| // CHECK-NEXT: enum $Optional<@thick Q.Type> |
| // CHECK: bb2: |
| // CHECK-NEXT: enum $Optional<@thick Q.Type> |
| // CHECK: bb3({{.*}}): |
| // CHECK-NEXT: apply |
| // CHECK-NEXT: metatype $@thick Trivial.Type |
| // CHECK-NEXT: init_existential_metatype {{.*}} : $@thick Trivial.Type, $@thick P.Type |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion1Q_pXmTSgAA7TrivialVXMtIxyd_AA1P_pXmTAaF_pXmTIxyd_TR : $@convention(thin) (@thick P.Type, @owned @callee_owned (Optional<@thick Q.Type>) -> @thin Trivial.Type) -> @thick P.Type |
| // CHECK: open_existential_metatype %0 : $@thick P.Type to $@thick (@opened({{.*}}) P).Type |
| // CHECK-NEXT: init_existential_metatype %2 : $@thick (@opened({{.*}}) P).Type, $@thick Q.Type |
| // CHECK-NEXT: enum $Optional<@thick Q.Type> |
| // CHECK-NEXT: apply |
| // CHECK-NEXT: metatype $@thick Trivial.Type |
| // CHECK-NEXT: init_existential_metatype {{.*}} : $@thick Trivial.Type, $@thick P.Type |
| // CHECK-NEXT: return |
| |
| // ==== Class metatype upcasts |
| |
| class Parent {} |
| class Child : Parent {} |
| |
| // Note: we add a Trivial => Trivial? conversion here to force a thunk |
| // to be generated |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion18convUpcastMetatypeyAA5ChildCmAA6ParentCm_AA7TrivialVSgtc_ADmAFmSg_AItc2c5tF |
| func convUpcastMetatype(_ c4: @escaping (Parent.Type, Trivial?) -> Child.Type, |
| c5: @escaping (Parent.Type?, Trivial?) -> Child.Type) { |
| // CHECK: function_ref @_T019function_conversion6ParentCXMTAA7TrivialVSgAA5ChildCXMTIxyyd_AHXMTAeCXMTIxyyd_TR |
| // CHECK: partial_apply |
| let _: (Child.Type, Trivial) -> Parent.Type = c4 |
| |
| // CHECK: function_ref @_T019function_conversion6ParentCXMTSgAA7TrivialVSgAA5ChildCXMTIxyyd_AIXMTAfCXMTIxyyd_TR |
| // CHECK: partial_apply |
| let _: (Child.Type, Trivial) -> Parent.Type = c5 |
| |
| // CHECK: function_ref @_T019function_conversion6ParentCXMTSgAA7TrivialVSgAA5ChildCXMTIxyyd_AIXMTSgAfDIxyyd_TR |
| // CHECK: partial_apply |
| let _: (Child.Type?, Trivial) -> Parent.Type? = c5 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion6ParentCXMTAA7TrivialVSgAA5ChildCXMTIxyyd_AHXMTAeCXMTIxyyd_TR : $@convention(thin) (@thick Child.Type, Trivial, @owned @callee_owned (@thick Parent.Type, Optional<Trivial>) -> @thick Child.Type) -> @thick Parent.Type |
| // CHECK: upcast %0 : $@thick Child.Type to $@thick Parent.Type |
| // CHECK: apply |
| // CHECK: upcast {{.*}} : $@thick Child.Type to $@thick Parent.Type |
| // CHECK: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion6ParentCXMTSgAA7TrivialVSgAA5ChildCXMTIxyyd_AIXMTAfCXMTIxyyd_TR : $@convention(thin) (@thick Child.Type, Trivial, @owned @callee_owned (Optional<@thick Parent.Type>, Optional<Trivial>) -> @thick Child.Type) -> @thick Parent.Type |
| // CHECK: upcast %0 : $@thick Child.Type to $@thick Parent.Type |
| // CHECK: enum $Optional<@thick Parent.Type> |
| // CHECK: apply |
| // CHECK: upcast {{.*}} : $@thick Child.Type to $@thick Parent.Type |
| // CHECK: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion6ParentCXMTSgAA7TrivialVSgAA5ChildCXMTIxyyd_AIXMTSgAfDIxyyd_TR : $@convention(thin) (Optional<@thick Child.Type>, Trivial, @owned @callee_owned (Optional<@thick Parent.Type>, Optional<Trivial>) -> @thick Child.Type) -> Optional<@thick Parent.Type> |
| // CHECK: unchecked_trivial_bit_cast %0 : $Optional<@thick Child.Type> to $Optional<@thick Parent.Type> |
| // CHECK: apply |
| // CHECK: upcast {{.*}} : $@thick Child.Type to $@thick Parent.Type |
| // CHECK: enum $Optional<@thick Parent.Type> |
| // CHECK: return |
| |
| // ==== Function to existential -- make sure we maximally abstract it |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion19convFuncExistentialyS2icypcF : $@convention(thin) (@owned @callee_owned (@in Any) -> @owned @callee_owned (Int) -> Int) -> () |
| // CHECK: bb0([[ARG:%.*]] : |
| // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]] |
| // CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]] |
| // CHECK: [[REABSTRACT_THUNK:%.*]] = function_ref @_T0ypS2iIxyd_Ixio_S2iIxyd_ypIxxr_TR |
| // CHECK: [[PA:%.*]] = partial_apply [[REABSTRACT_THUNK]]([[ARG_COPY]]) |
| // CHECK: destroy_value [[PA]] |
| // CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]] |
| // CHECK: destroy_value [[ARG]] |
| // CHECK: } // end sil function '_T019function_conversion19convFuncExistentialyS2icypcF' |
| func convFuncExistential(_ f1: @escaping (Any) -> (Int) -> Int) { |
| let _: ((Int) -> Int) -> Any = f1 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0ypS2iIxyd_Ixio_S2iIxyd_ypIxxr_TR : $@convention(thin) (@owned @callee_owned (Int) -> Int, @owned @callee_owned (@in Any) -> @owned @callee_owned (Int) -> Int) -> @out Any |
| // CHECK: alloc_stack $Any |
| // CHECK: function_ref @_T0S2iIxyd_S2iIxir_TR |
| // CHECK-NEXT: partial_apply |
| // CHECK-NEXT: init_existential_addr %3 : $*Any, $(Int) -> Int |
| // CHECK-NEXT: store |
| // CHECK-NEXT: apply |
| // CHECK: function_ref @_T0S2iIxyd_S2iIxir_TR |
| // CHECK-NEXT: partial_apply |
| // CHECK-NEXT: init_existential_addr %0 : $*Any, $(Int) -> Int |
| // CHECK-NEXT: store {{.*}} to {{.*}} : $*@callee_owned (@in Int) -> @out Int |
| // CHECK: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0S2iIxyd_S2iIxir_TR : $@convention(thin) (@in Int, @owned @callee_owned (Int) -> Int) -> @out Int |
| // CHECK: load [trivial] %1 : $*Int |
| // CHECK-NEXT: apply %2(%3) |
| // CHECK-NEXT: store {{.*}} to [trivial] %0 |
| // CHECK: return |
| |
| // ==== Class-bound archetype upcast |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion29convClassBoundArchetypeUpcast{{[_0-9a-zA-Z]*}}F |
| func convClassBoundArchetypeUpcast<T : Parent>(_ f1: @escaping (Parent) -> (T, Trivial)) { |
| // CHECK: function_ref @_T019function_conversion6ParentCxAA7TrivialVIxxod_xAcESgIxxod_ACRbzlTR |
| // CHECK: partial_apply |
| let _: (T) -> (Parent, Trivial?) = f1 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion6ParentCxAA7TrivialVIxxod_xAcESgIxxod_ACRbzlTR : $@convention(thin) <T where T : Parent> (@owned T, @owned @callee_owned (@owned Parent) -> (@owned T, Trivial)) -> (@owned Parent, Optional<Trivial>) |
| // CHECK: bb0([[ARG:%.*]] : @owned $T, [[CLOSURE:%.*]] : @owned $@callee_owned (@owned Parent) -> (@owned T, Trivial)): |
| // CHECK: [[CASTED_ARG:%.*]] = upcast [[ARG]] : $T to $Parent |
| // CHECK: [[RESULT:%.*]] = apply [[CLOSURE]]([[CASTED_ARG]]) |
| // CHECK: [[BORROWED_RESULT:%.*]] = begin_borrow [[RESULT]] : $(T, Trivial) |
| // CHECK: [[FIRST_RESULT:%.*]] = tuple_extract [[BORROWED_RESULT]] : $(T, Trivial), 0 |
| // CHECK: [[COPIED_FIRST_RESULT:%.*]] = copy_value [[FIRST_RESULT]] |
| // CHECK: tuple_extract [[BORROWED_RESULT]] : $(T, Trivial), 1 |
| // CHECK: end_borrow [[BORROWED_RESULT]] from [[RESULT]] |
| // CHECK: destroy_value [[RESULT]] |
| // CHECK: [[CAST_COPIED_FIRST_RESULT:%.*]] = upcast [[COPIED_FIRST_RESULT]] : $T to $Parent |
| // CHECK: enum $Optional<Trivial> |
| // CHECK: [[RESULT:%.*]] = tuple ([[CAST_COPIED_FIRST_RESULT]] : $Parent, {{.*}} : $Optional<Trivial>) |
| // CHECK: return [[RESULT]] |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion37convClassBoundMetatypeArchetypeUpcast{{[_0-9a-zA-Z]*}}F |
| func convClassBoundMetatypeArchetypeUpcast<T : Parent>(_ f1: @escaping (Parent.Type) -> (T.Type, Trivial)) { |
| // CHECK: function_ref @_T019function_conversion6ParentCXMTxXMTAA7TrivialVIxydd_xXMTACXMTAESgIxydd_ACRbzlTR |
| // CHECK: partial_apply |
| let _: (T.Type) -> (Parent.Type, Trivial?) = f1 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion6ParentCXMTxXMTAA7TrivialVIxydd_xXMTACXMTAESgIxydd_ACRbzlTR : $@convention(thin) <T where T : Parent> (@thick T.Type, @owned @callee_owned (@thick Parent.Type) -> (@thick T.Type, Trivial)) -> (@thick Parent.Type, Optional<Trivial>) |
| // CHECK: upcast %0 : $@thick T.Type to $@thick Parent.Type |
| // CHECK-NEXT: apply |
| // CHECK-NEXT: tuple_extract |
| // CHECK-NEXT: tuple_extract |
| // CHECK-NEXT: upcast {{.*}} : $@thick T.Type to $@thick Parent.Type |
| // CHECK-NEXT: enum $Optional<Trivial> |
| // CHECK-NEXT: tuple |
| // CHECK-NEXT: return |
| |
| // ==== Make sure we destructure one-element tuples |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion15convTupleScalaryyAA1Q_pc_yAaC_pc2f2ySi_SitSgc2f3tF |
| // CHECK: function_ref @_T019function_conversion1Q_pIxi_AA1P_pIxi_TR |
| // CHECK: function_ref @_T019function_conversion1Q_pIxi_AA1P_pIxi_TR |
| // CHECK: function_ref @_T0Si_SitSgIxy_S2iIxyy_TR |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T019function_conversion1Q_pIxi_AA1P_pIxi_TR : $@convention(thin) (@in P, @owned @callee_owned (@in Q) -> ()) -> () |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0Si_SitSgIxy_S2iIxyy_TR : $@convention(thin) (Int, Int, @owned @callee_owned (Optional<(Int, Int)>) -> ()) -> () |
| |
| func convTupleScalar(_ f1: @escaping (Q) -> (), |
| f2: @escaping (_ parent: Q) -> (), |
| f3: @escaping (_ tuple: (Int, Int)?) -> ()) { |
| let _: (P) -> () = f1 |
| let _: (P) -> () = f2 |
| let _: (Int, Int) -> () = f3 |
| } |
| |
| func convTupleScalarOpaque<T>(_ f: @escaping (T...) -> ()) -> ((_ args: T...) -> ())? { |
| return f |
| } |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion25convTupleToOptionalDirectSi_SitSgSicSi_SitSicF : $@convention(thin) (@owned @callee_owned (Int) -> (Int, Int)) -> @owned @callee_owned (Int) -> Optional<(Int, Int)> |
| // CHECK: bb0([[ARG:%.*]] : @owned $@callee_owned (Int) -> (Int, Int)): |
| // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]] |
| // CHECK: [[FN:%.*]] = copy_value [[BORROWED_ARG]] |
| // CHECK: [[THUNK_FN:%.*]] = function_ref @_T0S3iIxydd_S2i_SitSgIxyd_TR |
| // CHECK-NEXT: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]([[FN]]) |
| // CHECK-NEXT: end_borrow [[BORROWED_ARG]] from [[ARG]] |
| // CHECK-NEXT: destroy_value [[ARG]] |
| // CHECK-NEXT: return [[THUNK]] |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0S3iIxydd_S2i_SitSgIxyd_TR : $@convention(thin) (Int, @owned @callee_owned (Int) -> (Int, Int)) -> Optional<(Int, Int)> |
| // CHECK: bb0(%0 : @trivial $Int, %1 : @owned $@callee_owned (Int) -> (Int, Int)): |
| // CHECK: [[RESULT:%.*]] = apply %1(%0) |
| // CHECK-NEXT: [[LEFT:%.*]] = tuple_extract [[RESULT]] |
| // CHECK-NEXT: [[RIGHT:%.*]] = tuple_extract [[RESULT]] |
| // CHECK-NEXT: [[RESULT:%.*]] = tuple ([[LEFT]] : $Int, [[RIGHT]] : $Int) |
| // CHECK-NEXT: [[OPTIONAL:%.*]] = enum $Optional<(Int, Int)>, #Optional.some!enumelt.1, [[RESULT]] |
| // CHECK-NEXT: return [[OPTIONAL]] |
| |
| func convTupleToOptionalDirect(_ f: @escaping (Int) -> (Int, Int)) -> (Int) -> (Int, Int)? { |
| return f |
| } |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion27convTupleToOptionalIndirectx_xtSgxcx_xtxclF : $@convention(thin) <T> (@owned @callee_owned (@in T) -> (@out T, @out T)) -> @owned @callee_owned (@in T) -> @out Optional<(T, T)> |
| // CHECK: bb0([[ARG:%.*]] : @owned $@callee_owned (@in T) -> (@out T, @out T)): |
| // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]] |
| // CHECK: [[FN:%.*]] = copy_value [[BORROWED_ARG]] |
| // CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xxxIxirr_xx_xtSgIxir_lTR |
| // CHECK-NEXT: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<T>([[FN]]) |
| // CHECK-NEXT: end_borrow [[BORROWED_ARG]] from [[ARG]] |
| // CHECK-NEXT: destroy_value [[ARG]] |
| // CHECK-NEXT: return [[THUNK]] |
| |
| // CHECK: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0xxxIxirr_xx_xtSgIxir_lTR : $@convention(thin) <T> (@in T, @owned @callee_owned (@in T) -> (@out T, @out T)) -> @out Optional<(T, T)> |
| // CHECK: bb0(%0 : @trivial $*Optional<(T, T)>, %1 : @trivial $*T, %2 : @owned $@callee_owned (@in T) -> (@out T, @out T)): |
| // CHECK: [[OPTIONAL:%.*]] = init_enum_data_addr %0 : $*Optional<(T, T)>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: [[LEFT:%.*]] = tuple_element_addr %3 : $*(T, T), 0 |
| // CHECK-NEXT: [[RIGHT:%.*]] = tuple_element_addr %3 : $*(T, T), 1 |
| // CHECK-NEXT: apply %2([[LEFT]], [[RIGHT]], %1) |
| // CHECK-NEXT: inject_enum_addr %0 : $*Optional<(T, T)>, #Optional.some!enumelt.1 |
| // CHECK: return |
| |
| func convTupleToOptionalIndirect<T>(_ f: @escaping (T) -> (T, T)) -> (T) -> (T, T)? { |
| return f |
| } |
| |
| // ==== Make sure we support AnyHashable erasure |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion15convAnyHashableyx1t_ts0E0RzlF |
| // CHECK: function_ref @_T019function_conversion15convAnyHashableyx1t_ts0E0RzlFSbs0dE0V_AFtcfU_ |
| // CHECK: function_ref @_T0s11AnyHashableVABSbIxiid_xxSbIxiid_s0B0RzlTR |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0s11AnyHashableVABSbIxiid_xxSbIxiid_s0B0RzlTR : $@convention(thin) <T where T : Hashable> (@in T, @in T, @owned @callee_owned (@in AnyHashable, @in AnyHashable) -> Bool) -> Bool |
| // CHECK: alloc_stack $AnyHashable |
| // CHECK: function_ref @_swift_convertToAnyHashable |
| // CHECK: apply {{.*}}<T> |
| // CHECK: alloc_stack $AnyHashable |
| // CHECK: function_ref @_swift_convertToAnyHashable |
| // CHECK: apply {{.*}}<T> |
| // CHECK: return |
| |
| func convAnyHashable<T : Hashable>(t: T) { |
| let fn: (T, T) -> Bool = { |
| (x: AnyHashable, y: AnyHashable) in x == y |
| } |
| } |
| |
| // ==== Convert exploded tuples to Any or Optional<Any> |
| |
| // CHECK-LABEL: sil hidden @_T019function_conversion12convTupleAnyyyyc_Si_SitycyypcyypSgctF |
| // CHECK: function_ref @_T0Ix_ypIxr_TR |
| // CHECK: partial_apply |
| // CHECK: function_ref @_T0Ix_ypSgIxr_TR |
| // CHECK: partial_apply |
| // CHECK: function_ref @_T0S2iIxdd_ypIxr_TR |
| // CHECK: partial_apply |
| // CHECK: function_ref @_T0S2iIxdd_ypSgIxr_TR |
| // CHECK: partial_apply |
| // CHECK: function_ref @_T0ypIxi_S2iIxyy_TR |
| // CHECK: partial_apply |
| // CHECK: function_ref @_T0ypSgIxi_S2iIxyy_TR |
| // CHECK: partial_apply |
| |
| func convTupleAny(_ f1: @escaping () -> (), |
| _ f2: @escaping () -> (Int, Int), |
| _ f3: @escaping (Any) -> (), |
| _ f4: @escaping (Any?) -> ()) { |
| let _: () -> Any = f1 |
| let _: () -> Any? = f1 |
| |
| let _: () -> Any = f2 |
| let _: () -> Any? = f2 |
| |
| let _: ((Int, Int)) -> () = f3 |
| |
| let _: ((Int, Int)) -> () = f4 |
| } |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0Ix_ypIxr_TR : $@convention(thin) (@owned @callee_owned () -> ()) -> @out Any |
| // CHECK: init_existential_addr %0 : $*Any, $() |
| // CHECK-NEXT: apply %1() |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0Ix_ypSgIxr_TR : $@convention(thin) (@owned @callee_owned () -> ()) -> @out Optional<Any> |
| // CHECK: [[ENUM_PAYLOAD:%.*]] = init_enum_data_addr %0 : $*Optional<Any>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: init_existential_addr [[ENUM_PAYLOAD]] : $*Any, $() |
| // CHECK-NEXT: apply %1() |
| // CHECK-NEXT: inject_enum_addr %0 : $*Optional<Any>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0S2iIxdd_ypIxr_TR : $@convention(thin) (@owned @callee_owned () -> (Int, Int)) -> @out Any |
| // CHECK: [[ANY_PAYLOAD:%.*]] = init_existential_addr %0 |
| // CHECK-NEXT: [[LEFT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: [[RIGHT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: [[RESULT:%.*]] = apply %1() |
| // CHECK-NEXT: [[LEFT:%.*]] = tuple_extract [[RESULT]] |
| // CHECK-NEXT: [[RIGHT:%.*]] = tuple_extract [[RESULT]] |
| // CHECK-NEXT: store [[LEFT:%.*]] to [trivial] [[LEFT_ADDR]] |
| // CHECK-NEXT: store [[RIGHT:%.*]] to [trivial] [[RIGHT_ADDR]] |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0S2iIxdd_ypSgIxr_TR : $@convention(thin) (@owned @callee_owned () -> (Int, Int)) -> @out Optional<Any> { |
| // CHECK: [[OPTIONAL_PAYLOAD:%.*]] = init_enum_data_addr %0 |
| // CHECK-NEXT: [[ANY_PAYLOAD:%.*]] = init_existential_addr [[OPTIONAL_PAYLOAD]] |
| // CHECK-NEXT: [[LEFT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: [[RIGHT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: [[RESULT:%.*]] = apply %1() |
| // CHECK-NEXT: [[LEFT:%.*]] = tuple_extract [[RESULT]] |
| // CHECK-NEXT: [[RIGHT:%.*]] = tuple_extract [[RESULT]] |
| // CHECK-NEXT: store [[LEFT:%.*]] to [trivial] [[LEFT_ADDR]] |
| // CHECK-NEXT: store [[RIGHT:%.*]] to [trivial] [[RIGHT_ADDR]] |
| // CHECK-NEXT: inject_enum_addr %0 |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0ypIxi_S2iIxyy_TR : $@convention(thin) (Int, Int, @owned @callee_owned (@in Any) -> ()) -> () |
| // CHECK: [[ANY_VALUE:%.*]] = alloc_stack $Any |
| // CHECK-NEXT: [[ANY_PAYLOAD:%.*]] = init_existential_addr [[ANY_VALUE]] |
| // CHECK-NEXT: [[LEFT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: store %0 to [trivial] [[LEFT_ADDR]] |
| // CHECK-NEXT: [[RIGHT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: store %1 to [trivial] [[RIGHT_ADDR]] |
| // CHECK-NEXT: apply %2([[ANY_VALUE]]) |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: dealloc_stack [[ANY_VALUE]] |
| // CHECK-NEXT: return |
| |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0ypSgIxi_S2iIxyy_TR : $@convention(thin) (Int, Int, @owned @callee_owned (@in Optional<Any>) -> ()) -> () |
| // CHECK: [[ANY_VALUE:%.*]] = alloc_stack $Any |
| // CHECK-NEXT: [[ANY_PAYLOAD:%.*]] = init_existential_addr [[ANY_VALUE]] |
| // CHECK-NEXT: [[LEFT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: store %0 to [trivial] [[LEFT_ADDR]] |
| // CHECK-NEXT: [[RIGHT_ADDR:%.*]] = tuple_element_addr [[ANY_PAYLOAD]] |
| // CHECK-NEXT: store %1 to [trivial] [[RIGHT_ADDR]] |
| // CHECK-NEXT: [[OPTIONAL_VALUE:%.*]] = alloc_stack $Optional<Any> |
| // CHECK-NEXT: [[OPTIONAL_PAYLOAD:%.*]] = init_enum_data_addr [[OPTIONAL_VALUE]] |
| // CHECK-NEXT: copy_addr [take] [[ANY_VALUE]] to [initialization] [[OPTIONAL_PAYLOAD]] |
| // CHECK-NEXT: inject_enum_addr [[OPTIONAL_VALUE]] |
| // CHECK-NEXT: apply %2([[OPTIONAL_VALUE]]) |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: dealloc_stack [[OPTIONAL_VALUE]] |
| // CHECK-NEXT: dealloc_stack [[ANY_VALUE]] |
| // CHECK-NEXT: return |