| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) %s -emit-ir | %FileCheck %s -DINT=i%target-ptrsize |
| |
| // REQUIRES: objc_interop |
| |
| sil_stage canonical |
| |
| import Swift |
| import Foundation |
| import objc_generics |
| |
| // CHECK-LABEL: @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass" = hidden global %objc_class |
| // CHECK: %objc_class* @"OBJC_METACLASS_$_NSObject" |
| // CHECK: %objc_class* @"OBJC_METACLASS_$_GenericClass" |
| // CHECK-LABEL: @"$s27objc_generic_class_metadata8SubclassCMf" = internal global |
| // CHECK: %objc_class* @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass" |
| // CHECK: %objc_class* @"OBJC_CLASS_$_GenericClass" |
| class Subclass: GenericClass<NSString> {} |
| |
| sil_vtable Subclass {} |
| |
| sil @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> () |
| sil @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> () |
| |
| // CHECK-LABEL: define swiftcc void @objc_generic_class_metatypes() |
| sil @objc_generic_class_metatypes : $@convention(thin) () -> () { |
| entry: |
| %z = function_ref @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> () |
| %y = function_ref @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> () |
| |
| // All instances of the generic ObjC class are erased to the same metadata |
| // at runtime. |
| // CHECK: [[METADATA:%.*]] = call {{.*}} @__swift_instantiateConcreteTypeFromMangledName{{.*}}({{.*}} @"$sSo12GenericClassCMD") |
| %a = metatype $@thick GenericClass<NSString>.Type |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[METADATA]], %swift.type* [[METADATA]]) |
| apply %z<GenericClass<NSString>>(%a) : $@convention(thin) <T> (@thick T.Type) -> () |
| |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[METADATA]], %swift.type* [[METADATA]]) |
| %b = metatype $@thick GenericClass<NSObject>.Type |
| apply %z<GenericClass<NSObject>>(%b) : $@convention(thin) <T> (@thick T.Type) -> () |
| |
| // CHECK: [[T0:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_GenericClass", |
| // CHECK: [[OBJC_CLASS:%.*]] = call %objc_class* @{{.*}}(%objc_class* [[T0]]) |
| // CHECK: call swiftcc void @objc_class_sink(%objc_class* [[OBJC_CLASS]], %swift.type* [[METADATA]]) |
| %c = metatype $@objc_metatype GenericClass<NSString>.Type |
| apply %y<GenericClass<NSString>>(%c) : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> () |
| |
| // Check that generic classes are erased at depth. |
| // CHECK: [[TUPLE_METADATA:%.*]] = call {{.*}} @__swift_instantiateConcreteTypeFromMangledName{{.*}}({{.*}} @"$sSaySo12GenericClassC_SitGMD") |
| %d = metatype $@thick Array<(GenericClass<NSString>, Int)>.Type |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[TUPLE_METADATA]], %swift.type* [[TUPLE_METADATA]]) |
| apply %z<Array<(GenericClass<NSString>, Int)>>(%d) : $@convention(thin) <T> (@thick T.Type) -> () |
| %e = metatype $@thick Array<(GenericClass<NSObject>, Int)>.Type |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[TUPLE_METADATA]], %swift.type* [[TUPLE_METADATA]]) |
| apply %z<Array<(GenericClass<NSObject>, Int)>>(%e) : $@convention(thin) <T> (@thick T.Type) -> () |
| |
| return undef : $() |
| } |
| |
| sil @$s27objc_generic_class_metadata8SubclassC5thingACSgSo8NSStringCSg_tcfcTo : $@convention(objc_method) (Optional<NSString>, @owned Subclass) -> @owned Optional<Subclass> { |
| entry(%0 : $Optional<NSString>, %1 : $Subclass): |
| unreachable |
| } |
| |
| sil @$s27objc_generic_class_metadata8SubclassC13arrayOfThingsACSgSaySo8NSStringCG_tcfcTo : $@convention(objc_method) (NSArray, @owned Subclass) -> @owned Optional<Subclass> { |
| entry(%0 : $NSArray, %1 : $Subclass): |
| unreachable |
| } |
| |
| sil @$s27objc_generic_class_metadata8SubclassCACycfcTo : $@convention(objc_method) (@owned Subclass) -> @owned Subclass { |
| entry(%0 : $Subclass): |
| unreachable |
| } |
| |
| sil @$s27objc_generic_class_metadata8SubclassC7optionsACSgSDySo13GenericOptionaypGSg_tcfcTo : $@convention(objc_method) (@owned Subclass, @owned NSDictionary) -> @owned Subclass { |
| entry(%0 : $Subclass, %1 : $NSDictionary): |
| unreachable |
| } |
| |
| class K<T> {} |
| |
| sil @$useMeta : $@convention(thin) <P> () -> () |
| |
| // CHECK-LABEL: define void @an_objc_method(i8* %0, i8* %1) |
| // CHECK: [[C:%.*]] = bitcast i8* %0 to %objc_class* |
| // CHECK: [[M:%.*]] = call %swift.type* @swift_getObjCClassMetadata(%objc_class* [[C]]) |
| // CHECK: [[M2:%.*]] = bitcast %swift.type* [[M]] to %swift.type** |
| // CHECK: [[P:%.*]] = getelementptr inbounds %swift.type*, %swift.type** [[M2]] |
| // CHECK: [[P2:%.*]] = load %swift.type*, %swift.type** [[P]] |
| // CHECK: call swiftcc void @"$useMeta"(%swift.type* [[P2]]) |
| // CHECK: ret void |
| sil @an_objc_method : $@convention(objc_method) <P> (@objc_metatype K<P>.Type) -> () { |
| bb0(%0 : $@objc_metatype K<P>.Type): |
| %2 = function_ref @$useMeta : $@convention(thin) <τ_0_0> () -> () |
| %3 = apply %2<P>() : $@convention(thin) <τ_0_0 > () -> () |
| return undef : $() |
| } |
| |
| public class D { |
| } |
| |
| // CHECK: define void @testDynamicSelfMetatype(i8* %0, i8* %1) |
| // CHECK: [[T0:%.*]] = bitcast {{.*}} %0 |
| // CHECK: [[T1:%.*]] = bitcast {{.*}} [[T0]] |
| // CHECK: [[TYPE:%.*]] = load {{.*}} [[T1]] |
| sil @testDynamicSelfMetatype : $@convention(objc_method) (@owned D) -> () { |
| bb0(%0 : $D): |
| %1 = metatype $@thick @dynamic_self D.Type |
| return undef : $() |
| } |
| |
| sil_vtable D {} |