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76 lines
3.5 KiB
Plaintext
76 lines
3.5 KiB
Plaintext
// RUN: %empty-directory(%t)
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// RUN: %build-irgen-test-overlays
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -primary-file %s -emit-ir | %FileCheck --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize %s
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// REQUIRES: objc_interop
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import Swift
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import Foundation
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class SwiftClass {}
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sil_vtable SwiftClass {}
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protocol ClassProto : class {}
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// CHECK-LABEL: define hidden swiftcc ptr @checkedClassBoundCast(ptr %0, ptr %1, ptr %T) #0 {
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// CHECK: call ptr @llvm.objc.retain(ptr %1)
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// CHECK: [[OPAQUE_RESULT:%.+]] = call ptr @swift_dynamicCastUnknownClassUnconditional(ptr %1, ptr %T, {{.*}})
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// CHECK: ret ptr [[OPAQUE_RESULT]]
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// CHECK: {{^}$}}
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sil hidden @checkedClassBoundCast : $@convention(thin) <T where T : NSObject> (@thick T.Type, @owned NSObject) -> @owned T {
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bb0(%unused : $@thick T.Type, %obj : $NSObject):
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strong_retain %obj : $NSObject
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%result = unconditional_checked_cast %obj : $NSObject to T
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strong_release %obj : $NSObject
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return %result : $T
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}
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// rdar://24924966
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// CHECK-LABEL: define hidden swiftcc void @metatype_to_objc_class(ptr %0, ptr %T)
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// CHECK: [[T0:%.*]] = call ptr @swift_dynamicCastMetatypeToObjectUnconditional(ptr %0, {{.*}})
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// TODO: is this really necessary? also, this really shouldn't use a direct reference
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// CHECK-NEXT: [[T2a:%.*]] = load ptr, ptr @"OBJC_CLASS_REF_$_Foo"
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// CHECK-NEXT: [[T2:%.*]] = call ptr @{{.*}}(ptr [[T2a]])
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// CHECK-NEXT: call ptr @swift_dynamicCastObjCClassUnconditional(ptr [[T0]], ptr [[T2]], {{.*}})
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sil hidden @metatype_to_objc_class : $@convention(thin) <T> (@thick T.Type) -> () {
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bb0(%metatype : $@thick T.Type):
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%result = unconditional_checked_cast %metatype : $@thick T.Type to Foo
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%tuple = tuple ()
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return %tuple : $()
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}
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// CHECK-LABEL: define hidden swiftcc void @opt_metatype_to_objc_class({{(i32|i64)}} %0, ptr %T)
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// CHECK: [[ARG:%.*]] = inttoptr {{.*}} %0 to ptr
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// CHECK: [[T0:%.*]] = call ptr @swift_dynamicCastMetatypeToObjectUnconditional(ptr [[ARG]], {{.*}})
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// TODO: is this really necessary? also, this really shouldn't use a direct reference
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// CHECK-NEXT: [[T2a:%.*]] = load ptr, ptr @"OBJC_CLASS_REF_$_Foo"
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// CHECK-NEXT: [[T2:%.*]] = call ptr @{{.*}}(ptr [[T2a]])
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// CHECK-NEXT: call ptr @swift_dynamicCastObjCClassUnconditional(ptr [[T0]], ptr [[T2]], {{.*}})
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sil hidden @opt_metatype_to_objc_class : $@convention(thin) <T> (Optional<@thick T.Type>) -> () {
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bb0(%metatype : $Optional<@thick T.Type>):
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%result = unconditional_checked_cast %metatype : $Optional<@thick T.Type> to Foo
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%tuple = tuple ()
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return %tuple : $()
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}
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// CHECK-LABEL: define hidden swiftcc { ptr, ptr } @swift_class_bounded_to_cp
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// CHECK-SAME: (ptr %0, ptr %T)
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// CHECK: [[TYPE:%.*]] = load ptr, ptr %0,
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// CHECK-NEXT: call { ptr, ptr } @dynamic_cast_existential_1_unconditional(ptr %0, ptr [[TYPE]], {{.*}} @"$s10objc_casts10ClassProtoMp"
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sil hidden @swift_class_bounded_to_cp : $@convention(thin) <T: SwiftClass> (@owned T) -> @owned ClassProto {
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entry(%a : $T):
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%0 = unconditional_checked_cast %a : $T to ClassProto
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return %0 : $ClassProto
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}
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// CHECK-LABEL: define hidden swiftcc { ptr, ptr } @objc_class_bounded_to_cp
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// CHECK-SAME: (ptr %0, ptr %T)
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// CHECK: [[TYPE:%.*]] = call ptr @swift_getObjectType(ptr %0)
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// CHECK-NEXT: call { ptr, ptr } @dynamic_cast_existential_1_unconditional(ptr %0, ptr [[TYPE]], {{.*}} @"$s10objc_casts10ClassProtoMp"
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sil hidden @objc_class_bounded_to_cp : $@convention(thin) <T: NSObject> (@owned T) -> @owned ClassProto {
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entry(%a : $T):
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%0 = unconditional_checked_cast %a : $T to ClassProto
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return %0 : $ClassProto
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}
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