| // RUN: rm -rf %t && mkdir -p %t |
| // RUN: %build-irgen-test-overlays |
| // 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 |
| |
| // REQUIRES: objc_interop |
| |
| import Swift |
| import Foundation |
| |
| // CHECK-LABEL: define hidden %CSo8NSObject* @checkedClassBoundCast(%swift.type*, %CSo8NSObject*, %swift.type* %T) #0 { |
| // CHECK: [[OPAQUE_OBJ:%.+]] = bitcast %CSo8NSObject* %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 %CSo8NSObject* |
| // CHECK: ret %CSo8NSObject* [[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 : $T |
| } |
| |
| // rdar://24924966 |
| // CHECK-LABEL: define hidden void @metatype_to_objc_class(%swift.type*, %swift.type* %T) |
| // CHECK: [[T0:%.*]] = call %objc_object* @swift_dynamicCastMetatypeToObjectUnconditional(%swift.type* %0) |
| // TODO: is this really necessary? also, this really shouldn't use a direct reference |
| // CHECK-NEXT: [[T1:%.*]] = bitcast %objc_object* [[T0]] to i8* |
| // CHECK-NEXT: [[T2a:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_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 : $() |
| } |
| |
| // CHECK-LABEL: define hidden void @opt_metatype_to_objc_class({{(i32|i64)}}, %swift.type* %T) |
| // CHECK: [[ARG:%.*]] = inttoptr {{.*}} %0 to %swift.type* |
| // CHECK: [[T0:%.*]] = call %objc_object* @swift_dynamicCastMetatypeToObjectUnconditional(%swift.type* [[ARG]]) |
| // TODO: is this really necessary? also, this really shouldn't use a direct reference |
| // CHECK-NEXT: [[T1:%.*]] = bitcast %objc_object* [[T0]] to i8* |
| // CHECK-NEXT: [[T2a:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_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 : $() |
| } |