| |
| // RUN: %target-swift-frontend -module-name dynamic_self -emit-silgen -enable-sil-ownership %s -disable-objc-attr-requires-foundation-module | %FileCheck %s |
| // RUN: %target-swift-frontend -module-name dynamic_self -emit-sil -O %s -disable-objc-attr-requires-foundation-module |
| // RUN: %target-swift-frontend -module-name dynamic_self -emit-ir %s -disable-objc-attr-requires-foundation-module |
| |
| protocol P { |
| func f() -> Self |
| } |
| |
| protocol CP : class { |
| func f() -> Self |
| } |
| |
| class X : P, CP { |
| required init(int i: Int) { } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self1XC1f{{[_0-9a-zA-Z]*}}F : $@convention(method) (@guaranteed X) -> @owned |
| func f() -> Self { return self } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self1XC7factory{{[_0-9a-zA-Z]*}}FZ : $@convention(method) (Int, @thick X.Type) -> @owned X |
| // CHECK: bb0([[I:%[0-9]+]] : @trivial $Int, [[SELF:%[0-9]+]] : @trivial $@thick X.Type): |
| // CHECK: [[DYNAMIC_SELF:%[0-9]+]] = unchecked_trivial_bit_cast [[SELF]] : $@thick X.Type to $@thick @dynamic_self X.Type |
| // CHECK: [[STATIC_SELF:%[0-9]+]] = upcast [[DYNAMIC_SELF]] : $@thick @dynamic_self X.Type to $@thick X.Type |
| // CHECK: [[CTOR:%[0-9]+]] = class_method [[STATIC_SELF]] : $@thick X.Type, #X.init!allocator.1 : (X.Type) -> (Int) -> X, $@convention(method) (Int, @thick X.Type) -> @owned X |
| // CHECK: apply [[CTOR]]([[I]], [[STATIC_SELF]]) : $@convention(method) (Int, @thick X.Type) -> @owned X |
| class func factory(i: Int) -> Self { return self.init(int: i) } |
| } |
| |
| class Y : X { |
| required init(int i: Int) { |
| super.init(int: i) |
| } |
| } |
| |
| class GX<T> { |
| func f() -> Self { return self } |
| } |
| |
| class GY<T> : GX<[T]> { } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self23testDynamicSelfDispatch{{[_0-9a-zA-Z]*}}F : $@convention(thin) (@guaranteed Y) -> () |
| // CHECK: bb0([[Y:%[0-9]+]] : @guaranteed $Y): |
| // CHECK: [[Y_AS_X:%[0-9]+]] = upcast [[Y]] : $Y to $X |
| // CHECK: [[X_F:%[0-9]+]] = class_method [[Y_AS_X]] : $X, #X.f!1 : (X) -> () -> @dynamic_self X, $@convention(method) (@guaranteed X) -> @owned X |
| // CHECK: [[X_RESULT:%[0-9]+]] = apply [[X_F]]([[Y_AS_X]]) : $@convention(method) (@guaranteed X) -> @owned X |
| // CHECK: [[Y_RESULT:%[0-9]+]] = unchecked_ref_cast [[X_RESULT]] : $X to $Y |
| // CHECK: destroy_value [[Y_RESULT]] : $Y |
| func testDynamicSelfDispatch(y: Y) { |
| _ = y.f() |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self30testDynamicSelfDispatchGeneric{{[_0-9a-zA-Z]*}}F : $@convention(thin) (@guaranteed GY<Int>) -> () |
| func testDynamicSelfDispatchGeneric(gy: GY<Int>) { |
| // CHECK: bb0([[GY:%[0-9]+]] : @guaranteed $GY<Int>): |
| // CHECK: [[GY_AS_GX:%[0-9]+]] = upcast [[GY]] : $GY<Int> to $GX<Array<Int>> |
| // CHECK: [[GX_F:%[0-9]+]] = class_method [[GY_AS_GX]] : $GX<Array<Int>>, #GX.f!1 : <T> (GX<T>) -> () -> @dynamic_self GX<T>, $@convention(method) <τ_0_0> (@guaranteed GX<τ_0_0>) -> @owned GX<τ_0_0> |
| // CHECK: [[GX_RESULT:%[0-9]+]] = apply [[GX_F]]<[Int]>([[GY_AS_GX]]) : $@convention(method) <τ_0_0> (@guaranteed GX<τ_0_0>) -> @owned GX<τ_0_0> |
| // CHECK: [[GY_RESULT:%[0-9]+]] = unchecked_ref_cast [[GX_RESULT]] : $GX<Array<Int>> to $GY<Int> |
| // CHECK: destroy_value [[GY_RESULT]] : $GY<Int> |
| _ = gy.f() |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self21testArchetypeDispatch{{[_0-9a-zA-Z]*}}F : $@convention(thin) <T where T : P> (@in_guaranteed T) -> () |
| func testArchetypeDispatch<T: P>(t: T) { |
| // CHECK: bb0([[T:%[0-9]+]] : @trivial $*T): |
| // CHECK: [[T_RESULT:%[0-9]+]] = alloc_stack $T |
| // CHECK: [[ARCHETYPE_F:%[0-9]+]] = witness_method $T, #P.f!1 : {{.*}} : $@convention(witness_method: P) <τ_0_0 where τ_0_0 : P> (@in_guaranteed τ_0_0) -> @out τ_0_0 |
| // CHECK: [[SELF_RESULT:%[0-9]+]] = apply [[ARCHETYPE_F]]<T>([[T_RESULT]], [[T]]) : $@convention(witness_method: P) <τ_0_0 where τ_0_0 : P> (@in_guaranteed τ_0_0) -> @out τ_0_0 |
| _ = t.f() |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self23testExistentialDispatch{{[_0-9a-zA-Z]*}}F |
| func testExistentialDispatch(p: P) { |
| // CHECK: bb0([[P:%[0-9]+]] : @trivial $*P): |
| // CHECK: [[PCOPY_ADDR:%[0-9]+]] = open_existential_addr immutable_access [[P]] : $*P to $*@opened([[N:".*"]]) P |
| // CHECK: [[P_RESULT:%[0-9]+]] = alloc_stack $P |
| // CHECK: [[P_RESULT_ADDR:%[0-9]+]] = init_existential_addr [[P_RESULT]] : $*P, $@opened([[N]]) P |
| // CHECK: [[P_F_METHOD:%[0-9]+]] = witness_method $@opened([[N]]) P, #P.f!1 : {{.*}}, [[PCOPY_ADDR]]{{.*}} : $@convention(witness_method: P) <τ_0_0 where τ_0_0 : P> (@in_guaranteed τ_0_0) -> @out τ_0_0 |
| // CHECK: apply [[P_F_METHOD]]<@opened([[N]]) P>([[P_RESULT_ADDR]], [[PCOPY_ADDR]]) : $@convention(witness_method: P) <τ_0_0 where τ_0_0 : P> (@in_guaranteed τ_0_0) -> @out τ_0_0 |
| // CHECK: destroy_addr [[P_RESULT]] : $*P |
| // CHECK: dealloc_stack [[P_RESULT]] : $*P |
| _ = p.f() |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self28testExistentialDispatchClass{{[_0-9a-zA-Z]*}}F : $@convention(thin) (@guaranteed CP) -> () |
| // CHECK: bb0([[CP:%[0-9]+]] : @guaranteed $CP): |
| // CHECK: [[CP_ADDR:%[0-9]+]] = open_existential_ref [[CP]] : $CP to $@opened([[N:".*"]]) CP |
| // CHECK: [[CP_F:%[0-9]+]] = witness_method $@opened([[N]]) CP, #CP.f!1 : {{.*}}, [[CP_ADDR]]{{.*}} : $@convention(witness_method: CP) <τ_0_0 where τ_0_0 : CP> (@guaranteed τ_0_0) -> @owned τ_0_0 |
| // CHECK: [[CP_F_RESULT:%[0-9]+]] = apply [[CP_F]]<@opened([[N]]) CP>([[CP_ADDR]]) : $@convention(witness_method: CP) <τ_0_0 where τ_0_0 : CP> (@guaranteed τ_0_0) -> @owned τ_0_0 |
| // CHECK: [[RESULT_EXISTENTIAL:%[0-9]+]] = init_existential_ref [[CP_F_RESULT]] : $@opened([[N]]) CP : $@opened([[N]]) CP, $CP |
| // CHECK: destroy_value [[RESULT_EXISTENTIAL]] |
| func testExistentialDispatchClass(cp: CP) { |
| _ = cp.f() |
| } |
| |
| @objc class ObjC { |
| @objc func method() -> Self { return self } |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self21testAnyObjectDispatch1oyyXl_tF : $@convention(thin) (@guaranteed AnyObject) -> () { |
| func testAnyObjectDispatch(o: AnyObject) { |
| // CHECK: dynamic_method_br [[O_OBJ:%[0-9]+]] : $@opened({{.*}}) AnyObject, #ObjC.method!1.foreign, bb1, bb2 |
| |
| // CHECK: bb1([[METHOD:%[0-9]+]] : @trivial $@convention(objc_method) (@opened({{.*}}) AnyObject) -> @autoreleased AnyObject): |
| // CHECK: [[O_OBJ_COPY:%.*]] = copy_value [[O_OBJ]] |
| // CHECK: [[VAR_9:%[0-9]+]] = partial_apply [callee_guaranteed] [[METHOD]]([[O_OBJ_COPY]]) : $@convention(objc_method) (@opened({{.*}}) AnyObject) -> @autoreleased AnyObject |
| var _ = o.method |
| } |
| // CHECK: } // end sil function '$S12dynamic_self21testAnyObjectDispatch1oyyXl_tF' |
| |
| |
| // <rdar://problem/16270889> Dispatch through ObjC metatypes. |
| class ObjCInit { |
| dynamic required init() { } |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self12testObjCInit{{[_0-9a-zA-Z]*}}F : $@convention(thin) (@thick ObjCInit.Type) -> () |
| func testObjCInit(meta: ObjCInit.Type) { |
| // CHECK: bb0([[THICK_META:%[0-9]+]] : @trivial $@thick ObjCInit.Type): |
| // CHECK: [[OBJC_META:%[0-9]+]] = thick_to_objc_metatype [[THICK_META]] : $@thick ObjCInit.Type to $@objc_metatype ObjCInit.Type |
| // CHECK: [[OBJ:%[0-9]+]] = alloc_ref_dynamic [objc] [[OBJC_META]] : $@objc_metatype ObjCInit.Type, $ObjCInit |
| // CHECK: [[INIT:%[0-9]+]] = objc_method [[OBJ]] : $ObjCInit, #ObjCInit.init!initializer.1.foreign : (ObjCInit.Type) -> () -> ObjCInit, $@convention(objc_method) (@owned ObjCInit) -> @owned ObjCInit |
| // CHECK: [[RESULT_OBJ:%[0-9]+]] = apply [[INIT]]([[OBJ]]) : $@convention(objc_method) (@owned ObjCInit) -> @owned ObjCInit |
| // CHECK: [[RESULT:%[0-9]+]] = tuple () |
| // CHECK: return [[RESULT]] : $() |
| _ = meta.init() |
| } |
| |
| class OptionalResult { |
| func foo() -> Self? { return self } |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self14OptionalResultC3fooACXDSgyF : $@convention(method) (@guaranteed OptionalResult) -> @owned Optional<OptionalResult> { |
| // CHECK: bb0([[SELF:%.*]] : @guaranteed $OptionalResult): |
| // CHECK-NEXT: debug_value [[SELF]] : $OptionalResult |
| // CHECK-NEXT: [[SELF_COPY:%.*]] = copy_value [[SELF]] |
| // CHECK-NEXT: [[T0:%.*]] = enum $Optional<OptionalResult>, #Optional.some!enumelt.1, [[SELF_COPY]] : $OptionalResult |
| // CHECK-NEXT: return [[T0]] : $Optional<OptionalResult> |
| // CHECK: } // end sil function '$S12dynamic_self14OptionalResultC3fooACXDSgyF' |
| |
| class OptionalResultInheritor : OptionalResult { |
| func bar() {} |
| } |
| |
| func testOptionalResult(v : OptionalResultInheritor) { |
| v.foo()?.bar() |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self18testOptionalResult1vyAA0dE9InheritorC_tF : $@convention(thin) (@guaranteed OptionalResultInheritor) -> () { |
| // CHECK: bb0([[ARG:%.*]] : @guaranteed $OptionalResultInheritor): |
| // CHECK: [[CAST_ARG:%.*]] = upcast [[ARG]] |
| // CHECK: [[T0:%.*]] = class_method [[CAST_ARG]] : $OptionalResult, #OptionalResult.foo!1 : (OptionalResult) -> () -> @dynamic_self OptionalResult?, $@convention(method) (@guaranteed OptionalResult) -> @owned Optional<OptionalResult> |
| // CHECK-NEXT: [[RES:%.*]] = apply [[T0]]([[CAST_ARG]]) |
| // CHECK-NEXT: [[T4:%.*]] = unchecked_ref_cast [[RES]] : $Optional<OptionalResult> to $Optional<OptionalResultInheritor> |
| |
| func id<T>(_ t: T) -> T { return t } |
| |
| class Z { |
| |
| required init() {} |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self1ZC23testDynamicSelfCaptures1xACXDSi_tF : $@convention(method) (Int, @guaranteed Z) -> @owned Z { |
| func testDynamicSelfCaptures(x: Int) -> Self { |
| // CHECK: bb0({{.*}}, [[SELF:%.*]] : @guaranteed $Z): |
| |
| // Single capture of 'self' type |
| |
| // CHECK: [[FN:%.*]] = function_ref @$S12dynamic_self1ZC23testDynamicSelfCaptures1xACXDSi_tFyycfU_ : $@convention(thin) (@guaranteed Z) -> () |
| // CHECK-NEXT: [[SELF_COPY:%.*]] = copy_value [[SELF]] : $Z |
| // CHECK-NEXT: partial_apply [callee_guaranteed] [[FN]]([[SELF_COPY]]) |
| let fn1 = { _ = self } |
| fn1() |
| |
| // Capturing 'self', but it's not the last capture. Make sure it ends |
| // up at the end of the list anyway |
| |
| // CHECK: [[FN:%.*]] = function_ref @$S12dynamic_self1ZC23testDynamicSelfCaptures1xACXDSi_tFyycfU0_ : $@convention(thin) (Int, @guaranteed Z) -> () |
| // CHECK-NEXT: [[SELF_COPY:%.*]] = copy_value [[SELF]] : $Z |
| // CHECK-NEXT: partial_apply [callee_guaranteed] [[FN]]({{.*}}, [[SELF_COPY]]) |
| let fn2 = { |
| _ = self |
| _ = x |
| } |
| fn2() |
| |
| // Capturing 'self' weak, so we have to pass in a metatype explicitly |
| // so that IRGen can recover metadata. |
| |
| // CHECK: [[WEAK_SELF:%.*]] = alloc_box ${ var @sil_weak Optional<Z> } |
| // CHECK: [[FN:%.*]] = function_ref @$S12dynamic_self1ZC23testDynamicSelfCaptures1xACXDSi_tFyycfU1_ : $@convention(thin) (@guaranteed { var @sil_weak Optional<Z> }, @thick @dynamic_self Z.Type) -> () |
| // CHECK: [[WEAK_SELF_COPY:%.*]] = copy_value [[WEAK_SELF]] : ${ var @sil_weak Optional<Z> } |
| // CHECK-NEXT: [[DYNAMIC_SELF:%.*]] = metatype $@thick @dynamic_self Z.Type |
| // CHECK: partial_apply [callee_guaranteed] [[FN]]([[WEAK_SELF_COPY]], [[DYNAMIC_SELF]]) : $@convention(thin) (@guaranteed { var @sil_weak Optional<Z> }, @thick @dynamic_self Z.Type) -> () |
| let fn3 = { |
| [weak self] in |
| _ = self |
| } |
| fn3() |
| |
| // Capturing a value with a complex type involving self |
| |
| // CHECK: [[FN:%.*]] = function_ref @$S12dynamic_self1ZC23testDynamicSelfCaptures1xACXDSi_tFyycfU2_ : $@convention(thin) (@guaranteed (Z, Z), @thick @dynamic_self Z.Type) -> () |
| let xx = (self, self) |
| let fn4 = { |
| _ = xx |
| } |
| fn4() |
| |
| return self |
| } |
| |
| // Capturing metatype of dynamic self |
| static func testStaticMethodDynamicSelfCaptures() -> Self { |
| let fn0 = { _ = self; _ = { _ = self } } |
| fn0() |
| |
| let x = self |
| let fn1 = { _ = x; _ = { _ = x } } |
| fn1() |
| |
| let xx = (self, self) |
| let fn2 = { _ = xx; _ = { _ = xx } } |
| fn2() |
| |
| return self.init() |
| } |
| |
| // Make sure the actual self value has the same lowered type as the |
| // substituted result of a generic function call |
| func testDynamicSelfSubstitution(_ b: Bool) -> Self { |
| return b ? self : id(self) |
| } |
| |
| // Same for metatype of self |
| static func testStaticMethodDynamicSelfSubstitution(_ b: Bool) -> Self { |
| _ = (b ? self : id(self)) |
| return self.init() |
| } |
| } |
| |
| // Unbound reference to a method returning Self. |
| |
| class Factory { |
| required init() {} |
| |
| func newInstance() -> Self { return self } |
| class func classNewInstance() -> Self { return self.init() } |
| static func staticNewInstance() -> Self { return self.init() } |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self22partialApplySelfReturn1c1tyAA7FactoryC_AFmtF : $@convention(thin) (@guaranteed Factory, @thick Factory.Type) -> () |
| func partialApplySelfReturn(c: Factory, t: Factory.Type) { |
| // CHECK: function_ref @$S12dynamic_self7FactoryC11newInstanceACXDyFTc : $@convention(thin) (@guaranteed Factory) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = c.newInstance |
| // CHECK: function_ref @$S12dynamic_self7FactoryC11newInstanceACXDyFTc : $@convention(thin) (@guaranteed Factory) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = Factory.newInstance |
| // CHECK: function_ref @$S12dynamic_self7FactoryC11newInstanceACXDyFTc : $@convention(thin) (@guaranteed Factory) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = t.newInstance |
| _ = type(of: c).newInstance |
| |
| // CHECK: function_ref @$S12dynamic_self7FactoryC16classNewInstanceACXDyFZTc : $@convention(thin) (@thick Factory.Type) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = t.classNewInstance |
| // CHECK: function_ref @$S12dynamic_self7FactoryC16classNewInstanceACXDyFZTc : $@convention(thin) (@thick Factory.Type) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = type(of: c).classNewInstance |
| // CHECK: function_ref @$S12dynamic_self7FactoryC16classNewInstanceACXDyFZTc : $@convention(thin) (@thick Factory.Type) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = Factory.classNewInstance |
| |
| // CHECK: function_ref @$S12dynamic_self7FactoryC17staticNewInstanceACXDyFZTc : $@convention(thin) (@thick Factory.Type) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = t.staticNewInstance |
| // CHECK: function_ref @$S12dynamic_self7FactoryC17staticNewInstanceACXDyFZTc : $@convention(thin) (@thick Factory.Type) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = type(of: c).staticNewInstance |
| // CHECK: function_ref @$S12dynamic_self7FactoryC17staticNewInstanceACXDyFZTc : $@convention(thin) (@thick Factory.Type) -> @owned @callee_guaranteed () -> @owned Factory |
| _ = Factory.staticNewInstance |
| } |
| |
| class FactoryFactory { |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self07FactoryC0C11newInstanceACXDyFZ : $@convention(method) (@thick FactoryFactory.Type) -> @owned FactoryFactory |
| static func newInstance() -> Self { |
| // CHECK: bb0(%0 : @trivial $@thick FactoryFactory.Type): |
| |
| // CHECK: [[DYNAMIC_SELF:%.*]] = unchecked_trivial_bit_cast %0 : $@thick FactoryFactory.Type to $@thick @dynamic_self FactoryFactory.Type |
| // CHECK: [[METATYPE:%.*]] = value_metatype $@thick @dynamic_self FactoryFactory.Type.Type, [[DYNAMIC_SELF]] : $@thick @dynamic_self FactoryFactory.Type |
| // CHECK: [[ANY:%.*]] = init_existential_metatype [[METATYPE]] : $@thick @dynamic_self FactoryFactory.Type.Type, $@thick Any.Type |
| let _: Any.Type = type(of: self) |
| |
| while true {} |
| } |
| } |
| |
| // Super call to a method returning Self |
| class Base { |
| required init() {} |
| |
| func returnsSelf() -> Self { |
| return self |
| } |
| |
| static func returnsSelfStatic() -> Self { |
| return self.init() |
| } |
| } |
| |
| class Derived : Base { |
| // CHECK-LABEL: sil hidden @$S12dynamic_self7DerivedC9superCallyyF : $@convention(method) (@guaranteed Derived) -> () |
| // CHECK: [[SELF:%.*]] = copy_value %0 |
| // CHECK: [[SUPER:%.*]] = upcast [[SELF]] : $Derived to $Base |
| // CHECK: [[BORROWED_SUPER:%.*]] = begin_borrow [[SUPER]] |
| // CHECK: [[METHOD:%.*]] = function_ref @$S12dynamic_self4BaseC11returnsSelfACXDyF |
| // CHECK: apply [[METHOD]]([[BORROWED_SUPER]]) |
| // CHECK: return |
| func superCall() { |
| _ = super.returnsSelf() |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self7DerivedC15superCallStaticyyFZ : $@convention(method) (@thick Derived.Type) -> () |
| // CHECK: [[SUPER:%.*]] = upcast %0 : $@thick Derived.Type to $@thick Base.Type |
| // CHECK: [[METHOD:%.*]] = function_ref @$S12dynamic_self4BaseC17returnsSelfStaticACXDyFZ |
| // CHECK: apply [[METHOD]]([[SUPER]]) |
| // CHECK: return |
| static func superCallStatic() { |
| _ = super.returnsSelfStatic() |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self7DerivedC32superCallFromMethodReturningSelfACXDyF : $@convention(method) (@guaranteed Derived) -> @owned Derived |
| // CHECK: [[SELF:%.*]] = copy_value %0 |
| // CHECK: [[SUPER:%.*]] = upcast [[SELF]] : $Derived to $Base |
| // CHEcK: [[BORROWED_SUPER:%.*]] = begin_borrow [[SUPER]] |
| // CHECK: [[METHOD:%.*]] = function_ref @$S12dynamic_self4BaseC11returnsSelfACXDyF |
| // CHECK: apply [[METHOD]]([[BORROWED_SUPER]]) |
| // CHECK: return |
| func superCallFromMethodReturningSelf() -> Self { |
| _ = super.returnsSelf() |
| return self |
| } |
| |
| // CHECK-LABEL: sil hidden @$S12dynamic_self7DerivedC38superCallFromMethodReturningSelfStaticACXDyFZ : $@convention(method) (@thick Derived.Type) -> @owned Derived |
| // CHECK; [[DYNAMIC_SELF:%.*]] = unchecked_trivial_bit_cast %0 : $@thick Derived.Type to $@thick @synamic_self Derived.Type |
| // CHECK: [[SUPER:%.*]] = upcast [[DYNAMIC_SELF]] : $@thick @dynamic_self Derived.Type to $@thick Base.Type |
| // CHECK: [[METHOD:%.*]] = function_ref @$S12dynamic_self4BaseC17returnsSelfStaticACXDyFZ |
| // CHECK: apply [[METHOD]]([[SUPER]]) |
| // CHECK: return |
| static func superCallFromMethodReturningSelfStatic() -> Self { |
| _ = super.returnsSelfStatic() |
| return self.init() |
| } |
| } |
| |
| class Generic<T> { |
| // Examples where we have to add a special argument to capture Self's metadata |
| func t1() -> Self { |
| // CHECK-LABEL: sil private @$S12dynamic_self7GenericC2t1ACyxGXDyFAEXDSgycfU_ : $@convention(thin) <T> (@guaranteed <τ_0_0> { var @sil_weak Optional<Generic<τ_0_0>> } <T>, @thick @dynamic_self Generic<T>.Type) -> @owned Optional<Generic<T>> |
| _ = {[weak self] in self } |
| return self |
| } |
| |
| func t2() -> Self { |
| // CHECK-LABEL: sil private @$S12dynamic_self7GenericC2t2ACyxGXDyFAEXD_AEXDtycfU_ : $@convention(thin) <T> (@guaranteed (Generic<T>, Generic<T>), @thick @dynamic_self Generic<T>.Type) -> (@owned Generic<T>, @owned Generic<T>) |
| let selves = (self, self) |
| _ = { selves } |
| return self |
| } |
| |
| func t3() -> Self { |
| // CHECK-LABEL: sil private @$S12dynamic_self7GenericC2t3ACyxGXDyFAEXDycfU_ : $@convention(thin) <T> (@guaranteed @sil_unowned Generic<T>, @thick @dynamic_self Generic<T>.Type) -> @owned Generic<T> |
| _ = {[unowned self] in self } |
| return self |
| } |
| } |
| |
| // CHECK-LABEL: sil_witness_table hidden X: P module dynamic_self { |
| // CHECK: method #P.f!1: {{.*}} : @$S12dynamic_self1XCAA1PA2aDP1f{{[_0-9a-zA-Z]*}}FTW |
| |
| // CHECK-LABEL: sil_witness_table hidden X: CP module dynamic_self { |
| // CHECK: method #CP.f!1: {{.*}} : @$S12dynamic_self1XCAA2CPA2aDP1f{{[_0-9a-zA-Z]*}}FTW |