mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
57 lines
3.1 KiB
Plaintext
57 lines
3.1 KiB
Plaintext
// RUN: rm -rf %t && mkdir -p %t
|
|
// RUN: %build-irgen-test-overlays
|
|
// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -assume-parsing-unqualified-ownership-sil -primary-file %s -emit-ir | %FileCheck --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize %s
|
|
|
|
// REQUIRES: objc_interop
|
|
|
|
import Swift
|
|
import Foundation
|
|
|
|
// CHECK-LABEL: define hidden swiftcc %TSo8NSObjectC* @checkedClassBoundCast(%swift.type*, %TSo8NSObjectC*, %swift.type* %T) #0 {
|
|
// CHECK: [[OPAQUE_OBJ:%.+]] = bitcast %TSo8NSObjectC* %1 to i8*
|
|
// CHECK: [[OPAQUE_CLASS:%.+]] = bitcast %swift.type* %T to i8*
|
|
// CHECK: [[OPAQUE_RESULT:%.+]] = call i8* @swift_dynamicCastUnknownClassUnconditional(i8* [[OPAQUE_OBJ]], i8* [[OPAQUE_CLASS]])
|
|
// CHECK: [[RESULT:%.+]] = bitcast i8* [[OPAQUE_RESULT]] to %TSo8NSObjectC*
|
|
// CHECK: ret %TSo8NSObjectC* [[RESULT]]
|
|
// CHECK: {{^}$}}
|
|
|
|
sil hidden @checkedClassBoundCast : $@convention(thin) <T where T : NSObject> (@thick T.Type, @owned NSObject) -> @owned T {
|
|
bb0(%unused : $@thick T.Type, %obj : $NSObject):
|
|
strong_retain %obj : $NSObject
|
|
%result = unconditional_checked_cast %obj : $NSObject to $T
|
|
strong_release %obj : $NSObject
|
|
return %result : $T
|
|
}
|
|
|
|
// rdar://24924966
|
|
// CHECK-LABEL: define hidden swiftcc void @metatype_to_objc_class(%swift.type*, %swift.type* %T)
|
|
// CHECK: [[T0:%.*]] = call %objc_object* @swift_dynamicCastMetatypeToObjectUnconditional(%swift.type* %0)
|
|
// TODO: is this really necessary? also, this really shouldn't use a direct reference
|
|
// CHECK-NEXT: [[T1:%.*]] = bitcast %objc_object* [[T0]] to i8*
|
|
// CHECK-NEXT: [[T2a:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_Foo"
|
|
// CHECK-NEXT: [[T2:%.*]] = call %objc_class* @swift_rt_swift_getInitializedObjCClass(%objc_class* [[T2a]])
|
|
// CHECK-NEXT: [[T3:%.*]] = bitcast %objc_class* [[T2]] to i8*
|
|
// CHECK-NEXT: call i8* @swift_dynamicCastObjCClassUnconditional(i8* [[T1]], i8* [[T3]])
|
|
sil hidden @metatype_to_objc_class : $@convention(thin) <T> (@thick T.Type) -> () {
|
|
bb0(%metatype : $@thick T.Type):
|
|
%result = unconditional_checked_cast %metatype : $@thick T.Type to $Foo
|
|
%tuple = tuple ()
|
|
return %tuple : $()
|
|
}
|
|
|
|
// CHECK-LABEL: define hidden swiftcc void @opt_metatype_to_objc_class({{(i32|i64)}}, %swift.type* %T)
|
|
// CHECK: [[ARG:%.*]] = inttoptr {{.*}} %0 to %swift.type*
|
|
// CHECK: [[T0:%.*]] = call %objc_object* @swift_dynamicCastMetatypeToObjectUnconditional(%swift.type* [[ARG]])
|
|
// TODO: is this really necessary? also, this really shouldn't use a direct reference
|
|
// CHECK-NEXT: [[T1:%.*]] = bitcast %objc_object* [[T0]] to i8*
|
|
// CHECK-NEXT: [[T2a:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_Foo"
|
|
// CHECK-NEXT: [[T2:%.*]] = call %objc_class* @swift_rt_swift_getInitializedObjCClass(%objc_class* [[T2a]])
|
|
// CHECK-NEXT: [[T3:%.*]] = bitcast %objc_class* [[T2]] to i8*
|
|
// CHECK-NEXT: call i8* @swift_dynamicCastObjCClassUnconditional(i8* [[T1]], i8* [[T3]])
|
|
sil hidden @opt_metatype_to_objc_class : $@convention(thin) <T> (Optional<@thick T.Type>) -> () {
|
|
bb0(%metatype : $Optional<@thick T.Type>):
|
|
%result = unconditional_checked_cast %metatype : $Optional<@thick T.Type> to $Foo
|
|
%tuple = tuple ()
|
|
return %tuple : $()
|
|
}
|