| // RUN: %target-swift-frontend %s -emit-ir -parse-as-library | %FileCheck %s |
| |
| // REQUIRES: CPU=x86_64 |
| |
| // FIXME: Not a SIL test because we can't parse dynamic Self in SIL. |
| // <rdar://problem/16931299> |
| |
| // CHECK: [[TYPE:%.+]] = type <{ [8 x i8] }> |
| |
| @inline(never) func id<T>(_ t: T) -> T { |
| return t |
| } |
| // CHECK-LABEL: define hidden swiftcc void @"$s21dynamic_self_metadata2idyxxlF" |
| |
| protocol P { |
| associatedtype T |
| } |
| |
| extension P { |
| func f() {} |
| } |
| |
| struct G<T> : P { |
| var t: T |
| } |
| |
| class C { |
| class func fromMetatype() -> Self? { return nil } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC12fromMetatypeACXDSgyFZ"(%swift.type* swiftself) |
| // CHECK: ret i64 0 |
| |
| func fromInstance() -> Self? { return nil } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC12fromInstanceACXDSgyF"(%T21dynamic_self_metadata1CC* swiftself) |
| // CHECK: ret i64 0 |
| |
| func dynamicSelfArgument() -> Self? { |
| return id(nil) |
| } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC0A12SelfArgumentACXDSgyF"(%T21dynamic_self_metadata1CC* swiftself) |
| // CHECK: [[CAST1:%.+]] = bitcast %T21dynamic_self_metadata1CC* %0 to [[METATYPE:%.+]] |
| // CHECK: [[TYPE1:%.+]] = call %swift.type* @swift_getObjectType([[METATYPE]] [[CAST1]]) |
| // CHECK: [[T0:%.+]] = call swiftcc %swift.metadata_response @"$sSqMa"(i64 0, %swift.type* [[TYPE1]]) |
| // CHECK: [[TYPE2:%.+]] = extractvalue %swift.metadata_response [[T0]], 0 |
| // CHECK: call swiftcc void @"$s21dynamic_self_metadata2idyxxlF"({{.*}}, %swift.type* [[TYPE2]]) |
| |
| func dynamicSelfConformingType() -> Self? { |
| _ = G(t: self).f() |
| return nil |
| } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC0A18SelfConformingTypeACXDSgyF"(%T21dynamic_self_metadata1CC* swiftself) |
| // CHECK: [[SELF:%.*]] = bitcast %T21dynamic_self_metadata1CC* %0 to %objc_object* |
| // CHECK: [[SELF_TYPE:%.*]] = call %swift.type* @swift_getObjectType(%objc_object* [[SELF]]) |
| // CHECK: [[SELF:%.*]] = bitcast %T21dynamic_self_metadata1CC* %0 to %objc_object* |
| // CHECK: [[SELF_TYPE:%.*]] = call %swift.type* @swift_getObjectType(%objc_object* [[SELF]]) |
| // CHECK: [[METADATA_RESPONSE:%.*]] = call swiftcc %swift.metadata_response @"$s21dynamic_self_metadata1GVMa"(i64 0, %swift.type* [[SELF_TYPE]]) |
| // CHECK: [[METADATA:%.*]] = extractvalue %swift.metadata_response [[METADATA_RESPONSE]], 0 |
| // CHECK: call i8** @swift_getWitnessTable(%swift.protocol_conformance_descriptor* bitcast ({{.*}} @"$s21dynamic_self_metadata1GVyxGAA1PAAMc" to %swift.protocol_conformance_descriptor*), %swift.type* [[METADATA]], i8*** undef) |
| } |