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108 lines
4.7 KiB
Plaintext
108 lines
4.7 KiB
Plaintext
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) %s -emit-ir | %FileCheck %s -DINT=i%target-ptrsize
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// REQUIRES: objc_interop
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sil_stage canonical
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import Swift
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import Foundation
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import objc_generics
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// CHECK-LABEL: @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass" = hidden global %objc_class
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// CHECK: ptr @"OBJC_METACLASS_$_NSObject"
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// CHECK: ptr @"OBJC_METACLASS_$_GenericClass"
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// CHECK-LABEL: @"$s27objc_generic_class_metadata8SubclassCMf" = internal global
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// CHECK: ptr @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass"
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// CHECK: ptr @"OBJC_CLASS_$_GenericClass"
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class Subclass: GenericClass<NSString> {}
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sil_vtable Subclass {}
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sil @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> ()
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sil @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> ()
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// CHECK-LABEL: define swiftcc void @objc_generic_class_metatypes()
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sil @objc_generic_class_metatypes : $@convention(thin) () -> () {
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entry:
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%z = function_ref @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> ()
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%y = function_ref @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> ()
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// All instances of the generic ObjC class are erased to the same metadata
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// at runtime.
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// CHECK: [[METADATA:%[0-9]+]] = call ptr @__swift_instantiateConcreteTypeFromMangledName(ptr @"$sSo12GenericClassCMD")
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%a = metatype $@thick GenericClass<NSString>.Type
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// CHECK: call swiftcc void @metatype_sink(ptr [[METADATA]], ptr [[METADATA]])
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apply %z<GenericClass<NSString>>(%a) : $@convention(thin) <T> (@thick T.Type) -> ()
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// CHECK: call swiftcc void @metatype_sink(ptr [[METADATA]], ptr [[METADATA]])
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%b = metatype $@thick GenericClass<NSObject>.Type
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apply %z<GenericClass<NSObject>>(%b) : $@convention(thin) <T> (@thick T.Type) -> ()
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// CHECK: [[T0:%.*]] = load ptr, ptr @"OBJC_CLASS_REF_$_GenericClass",
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// CHECK: [[OBJC_CLASS:%.*]] = call ptr @{{.*}}(ptr [[T0]])
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// CHECK: call swiftcc void @objc_class_sink(ptr [[OBJC_CLASS]], ptr [[METADATA]])
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%c = metatype $@objc_metatype GenericClass<NSString>.Type
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apply %y<GenericClass<NSString>>(%c) : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> ()
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// Check that generic classes are erased at depth.
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// CHECK: [[TUPLE_METADATA:%.*]] = call {{.*}} @__swift_instantiateConcreteTypeFromMangledName{{.*}}({{.*}} @"$sSaySo12GenericClassC_SitGMD")
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%d = metatype $@thick Array<(GenericClass<NSString>, Int)>.Type
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// CHECK: call swiftcc void @metatype_sink(ptr [[TUPLE_METADATA]], ptr [[TUPLE_METADATA]])
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apply %z<Array<(GenericClass<NSString>, Int)>>(%d) : $@convention(thin) <T> (@thick T.Type) -> ()
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%e = metatype $@thick Array<(GenericClass<NSObject>, Int)>.Type
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// CHECK: call swiftcc void @metatype_sink(ptr [[TUPLE_METADATA]], ptr [[TUPLE_METADATA]])
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apply %z<Array<(GenericClass<NSObject>, Int)>>(%e) : $@convention(thin) <T> (@thick T.Type) -> ()
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return undef : $()
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}
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sil @$s27objc_generic_class_metadata8SubclassC5thingACSgSo8NSStringCSg_tcfcTo : $@convention(objc_method) (Optional<NSString>, @owned Subclass) -> @owned Optional<Subclass> {
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entry(%0 : $Optional<NSString>, %1 : $Subclass):
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unreachable
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}
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sil @$s27objc_generic_class_metadata8SubclassC13arrayOfThingsACSgSaySo8NSStringCG_tcfcTo : $@convention(objc_method) (NSArray, @owned Subclass) -> @owned Optional<Subclass> {
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entry(%0 : $NSArray, %1 : $Subclass):
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unreachable
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}
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sil @$s27objc_generic_class_metadata8SubclassCACycfcTo : $@convention(objc_method) (@owned Subclass) -> @owned Subclass {
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entry(%0 : $Subclass):
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unreachable
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}
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sil @$s27objc_generic_class_metadata8SubclassC7optionsACSgSDySo13GenericOptionaypGSg_tcfcTo : $@convention(objc_method) (@owned Subclass, @owned NSDictionary) -> @owned Subclass {
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entry(%0 : $Subclass, %1 : $NSDictionary):
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unreachable
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}
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class K<T> {}
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sil @$useMeta : $@convention(thin) <P> () -> ()
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// CHECK-LABEL: define void @an_objc_method(ptr %0, ptr %1)
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// CHECK: [[M:%.*]] = call ptr @swift_getObjCClassMetadata(ptr %0)
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// CHECK: [[P:%.*]] = getelementptr inbounds ptr, ptr [[M]],
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// CHECK: [[P2:%.*]] = load ptr, ptr [[P]]
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// CHECK: call swiftcc void @"$useMeta"(ptr [[P2]])
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// CHECK: ret void
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sil @an_objc_method : $@convention(objc_method) <P> (@objc_metatype K<P>.Type) -> () {
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bb0(%0 : $@objc_metatype K<P>.Type):
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%2 = function_ref @$useMeta : $@convention(thin) <τ_0_0> () -> ()
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%3 = apply %2<P>() : $@convention(thin) <τ_0_0 > () -> ()
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return undef : $()
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}
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public class D {
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}
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// CHECK: define void @testDynamicSelfMetatype(ptr %0, ptr %1)
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// CHECK: [[TYPE:%.*]] = load {{.*}} %0
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sil @testDynamicSelfMetatype : $@convention(objc_method) (@owned D) -> () {
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bb0(%0 : $D):
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%1 = metatype $@thick @dynamic_self D.Type
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return undef : $()
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}
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sil_vtable D {}
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