| // RUN: %target-swift-frontend -module-name foo -emit-ir %s | %FileCheck %s -DINT=i%target-ptrsize |
| |
| // CHECK: %swift.type = type { [[INT]] } |
| |
| // -- Classes with generic bases can't go in the @objc_classes list, since |
| // they need runtime initialization before they're valid. |
| // CHECK-NOT: @objc_classes |
| |
| class Base<T> { |
| var first, second: T |
| |
| required init(x: T) { |
| first = x |
| second = x |
| } |
| |
| func present() { |
| print("\(type(of: self)) \(T.self) \(first) \(second)") |
| } |
| } |
| |
| // CHECK-LABEL: define hidden swiftcc %swift.metadata_response @"$S3foo12SuperDerivedCMa"( |
| // CHECK: [[CACHE:%.*]] = load %swift.type*, %swift.type** @"$S3foo12SuperDerivedCML" |
| // CHECK-NEXT: [[COND:%.*]] = icmp eq %swift.type* [[CACHE]], null |
| // CHECK-NEXT: br i1 [[COND]], label %cacheIsNull, label %cont |
| |
| // CHECK: cacheIsNull: |
| // CHECK-NEXT: call void @swift_once([[INT]]* @"$S3foo12SuperDerivedCMa.once_token", i8* bitcast (void (i8*)* @initialize_metadata_SuperDerived to i8*), i8* undef) |
| // CHECK-NEXT: [[METADATA:%.*]] = load %swift.type*, %swift.type** @"$S3foo12SuperDerivedCML" |
| // CHECK-NEXT: br label %cont |
| // CHECK: cont: |
| // CHECK-NEXT: [[RESULT:%.*]] = phi %swift.type* [ [[CACHE]], %entry ], [ [[METADATA]], %cacheIsNull ] |
| // CHECK-NEXT: [[T0:%.*]] = insertvalue %swift.metadata_response undef, %swift.type* [[RESULT]], 0 |
| // CHECK-NEXT: [[T1:%.*]] = insertvalue %swift.metadata_response [[T0]], [[INT]] 0, 1 |
| // CHECK-NEXT: ret %swift.metadata_response [[T1]] |
| |
| class SuperDerived: Derived { |
| } |
| |
| // CHECK-LABEL: define hidden swiftcc %swift.metadata_response @"$S3foo7DerivedCMa"( |
| // CHECK: [[CACHE:%.*]] = load %swift.type*, %swift.type** @"$S3foo7DerivedCML" |
| // CHECK-NEXT: [[COND:%.*]] = icmp eq %swift.type* [[CACHE]], null |
| // CHECK-NEXT: br i1 [[COND]], label %cacheIsNull, label %cont |
| |
| // CHECK: cacheIsNull: |
| // CHECK-NEXT: call void @swift_once([[INT]]* @"$S3foo7DerivedCMa.once_token", i8* bitcast (void (i8*)* @initialize_metadata_Derived to i8*), i8* undef) |
| // CHECK-NEXT: [[METADATA:%.*]] = load %swift.type*, %swift.type** @"$S3foo7DerivedCML" |
| // CHECK-NEXT: br label %cont |
| // CHECK: cont: |
| // CHECK-NEXT: [[RESULT:%.*]] = phi %swift.type* [ [[CACHE]], %entry ], [ [[METADATA]], %cacheIsNull ] |
| // CHECK-NEXT: [[T0:%.*]] = insertvalue %swift.metadata_response undef, %swift.type* [[RESULT]], 0 |
| // CHECK-NEXT: [[T1:%.*]] = insertvalue %swift.metadata_response [[T0]], [[INT]] 0, 1 |
| // CHECK-NEXT: ret %swift.metadata_response [[T1]] |
| |
| class Derived: Base<String> { |
| var third: String |
| |
| required init(x: String) { |
| third = x |
| super.init(x: x) |
| } |
| |
| override func present() { |
| super.present() |
| print("...and \(third)") |
| } |
| } |
| |
| func presentBase<T>(_ base: Base<T>) { |
| base.present() |
| } |
| |
| presentBase(SuperDerived(x: "two")) |
| presentBase(Derived(x: "two")) |
| presentBase(Base(x: "two")) |
| presentBase(Base(x: 2)) |
| |
| // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} private void @initialize_metadata_SuperDerived(i8*) |
| // CHECK: [[T0:%.*]] = call swiftcc %swift.metadata_response @"$S3foo7DerivedCMa"([[INT]] 1) |
| // CHECK: [[TMP:%.*]] = extractvalue %swift.metadata_response [[T0]], 0 |
| // CHECK-NEXT: extractvalue %swift.metadata_response [[T0]], 1 |
| // CHECK-NEXT: store %swift.type* [[TMP]], %swift.type** getelementptr inbounds ({{.*}} @"$S3foo12SuperDerivedCMf{{.*}}, i32 1), align |
| // CHECK: [[METADATA:%.*]] = call %swift.type* @swift_relocateClassMetadata({{.*}}, [[INT]] {{60|96}}, [[INT]] 0) |
| // CHECK: call void @swift_initClassMetadata(%swift.type* [[METADATA]], [[INT]] 0, {{.*}}) |
| // CHECK: store atomic %swift.type* [[METADATA]], %swift.type** @"$S3foo12SuperDerivedCML" release, |
| // CHECK: ret void |
