| // RUN: %target-swift-frontend -prespecialize-generic-metadata %s -target %module-target-future -emit-ir -parse-as-library | %FileCheck %s -DINT=i%target-ptrsize -DALIGNMENT=%target-alignment |
| |
| |
| // REQUIRES: VENDOR=apple || OS=linux-gnu |
| // 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 @"$s28dynamic_self_metadata_future2idyxxlF" |
| |
| protocol P { |
| associatedtype T |
| } |
| |
| extension P { |
| func f() {} |
| } |
| |
| struct G<T> : P { |
| var t: T |
| } |
| |
| class C { |
| class func fromMetatype() -> Self? { return nil } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s28dynamic_self_metadata_future1CC12fromMetatypeACXDSgyFZ"(%swift.type* swiftself %0) |
| // CHECK: ret i64 0 |
| |
| func fromInstance() -> Self? { return nil } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s28dynamic_self_metadata_future1CC12fromInstanceACXDSgyF"(%T28dynamic_self_metadata_future1CC* swiftself %0) |
| // CHECK: ret i64 0 |
| |
| func dynamicSelfArgument() -> Self? { |
| return id(nil) |
| } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s28dynamic_self_metadata_future1CC0A12SelfArgumentACXDSgyF"(%T28dynamic_self_metadata_future1CC* swiftself %0) |
| // CHECK: [[GEP1:%.+]] = getelementptr {{.*}} %0 |
| // CHECK: [[TYPE1:%.+]] = load {{.*}} [[GEP1]] |
| // CHECK: [[T0:%.+]] = call swiftcc %swift.metadata_response @"$sSqMa"(i64 0, %swift.type* [[TYPE1]]) |
| // CHECK: [[TYPE2:%.+]] = extractvalue %swift.metadata_response [[T0]], 0 |
| // CHECK: call swiftcc void @"$s28dynamic_self_metadata_future2idyxxlF"({{.*}}, %swift.type* [[TYPE2]]) |
| |
| func dynamicSelfConformingType() -> Self? { |
| _ = G(t: self).f() |
| return nil |
| } |
| // CHECK-LABEL: define hidden swiftcc i64 @"$s28dynamic_self_metadata_future1CC0A18SelfConformingTypeACXDSgyF"(%T28dynamic_self_metadata_future1CC* swiftself %0) |
| // CHECK: [[SELF_GEP:%.+]] = getelementptr {{.*}} %0 |
| // CHECK: [[SELF_TYPE:%.+]] = load {{.*}} [[SELF_GEP]] |
| // CHECK: call i8** @swift_getWitnessTable( |
| // CHECK-SAME: %swift.protocol_conformance_descriptor* bitcast ( |
| // CHECK-SAME: {{.*}} @"$s28dynamic_self_metadata_future1GVyxGAA1PAAMc" |
| // CHECK-SAME: to %swift.protocol_conformance_descriptor* |
| // CHECK-SAME: ), |
| // CHECK-SAME: %swift.type* %{{[0-9]+}}, |
| // CHECK-SAME: i8*** undef |
| // CHECK-SAME: ) |
| } |