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// RUN: %target-swift-frontend -primary-file %s -emit-ir | %FileCheck %s
// RUN: %target-swift-frontend -primary-file %s -emit-ir -enable-library-evolution | %FileCheck %s --check-prefix=RESILIENT
// Test if all methods which go into a vtable have at least the visibility of its class.
// Reason: Derived classes from "outside" still have to put the less visible base members
// into their vtables.
// Method descriptors linkage:
// - internal initializer descriptor has hidden linkage when class is public:
// CHECK-LABEL: @"$s14method_linkage11PublicClassCACycfCTq" = hidden alias
// - internal initializer descriptor has hidden linkage when class is open:
// CHECK-LABEL: @"$s14method_linkage9OpenClassCACycfCTq" = hidden alias
// - private method descriptor has internal linkage even though class is open:
// CHECK: @"$s14method_linkage9OpenClassC4pfoo0{{.*}}FTq" = internal alias
class Base {
// CHECK: define hidden swiftcc void @"$s14method_linkage4Base{{.*}}3foo0
// RESILIENT: define hidden swiftcc void @"$s14method_linkage4Base{{.*}}3foo0
fileprivate func foo() {
}
// CHECK: define internal swiftcc void @"$s14method_linkage4Base{{.*}}3bar0
// RESILIENT: define internal swiftcc void @"$s14method_linkage4Base{{.*}}3bar0
fileprivate final func bar() {
}
// CHECK: define hidden swiftcc void @"$s14method_linkage4Base{{.*}}5other0
// RESILIENT: define hidden swiftcc void @"$s14method_linkage4Base{{.*}}5other0
fileprivate func other() {
}
// CHECK: define hidden swiftcc void @"$s14method_linkage4BaseC4prop{{.*}}LLytvg
// RESILIENT: define hidden swiftcc void @"$s14method_linkage4BaseC4prop{{.*}}LLytvg
fileprivate var prop: () {
return ()
}
}
class Derived : Base {
// CHECK: define hidden swiftcc void @"$s14method_linkage7Derived{{.*}}3foo0
// RESILIENT: define hidden swiftcc void @"$s14method_linkage7Derived{{.*}}3foo0
fileprivate final override func foo() {
}
// CHECK: define hidden swiftcc void @"$s14method_linkage7DerivedC4prop{{.*}}LLytvg
// RESILIENT: define hidden swiftcc void @"$s14method_linkage7DerivedC4prop{{.*}}LLytvg
fileprivate final override var prop: () {
return ()
}
}
extension Base {
// CHECK: define internal swiftcc void @"$s14method_linkage4Base{{.*}}7extfunc0
// RESILIENT: define internal swiftcc void @"$s14method_linkage4Base{{.*}}7extfunc0
fileprivate func extfunc() {
}
}
public class PublicClass {
internal init() {}
// CHECK: define hidden swiftcc void @"$s14method_linkage11PublicClass{{.*}}4pfoo0
// RESILIENT: define hidden swiftcc void @"$s14method_linkage11PublicClass{{.*}}4pfoo0
fileprivate func pfoo() {
}
// CHECK: define hidden swiftcc void @"$s14method_linkage11PublicClassC4pbaryyF
// RESILIENT: define hidden swiftcc void @"$s14method_linkage11PublicClassC4pbaryyF
internal func pbar() {
}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage11PublicClassC4pbazyyF"
// RESILIENT: define hidden swiftcc void @"$s14method_linkage11PublicClassC4pbazyyF"
public func pbaz() {
}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage11PublicClassC5pquuxyyF"
// RESILIENT: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage11PublicClassC5pquuxyyF"
public final func pquux() {
}
}
open class OpenClass {
internal init() {}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage9OpenClassC4pfoo0
// RESILIENT: define hidden swiftcc void @"$s14method_linkage9OpenClassC4pfoo0
fileprivate func pfoo() {
}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage9OpenClassC4pbaryyF
// RESILIENT: define hidden swiftcc void @"$s14method_linkage9OpenClassC4pbaryyF
internal func pbar() {
}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage9OpenClassC4pbazyyF"
// RESILIENT: define hidden swiftcc void @"$s14method_linkage9OpenClassC4pbazyyF"
public func pbaz() {
}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage9OpenClassC5pquuxyyF"
// RESILIENT: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage9OpenClassC5pquuxyyF"
public final func pquux() {
}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage9OpenClassC4prop{{.*}}LLytvg
// RESILIENT: define hidden swiftcc void @"$s14method_linkage9OpenClassC4prop{{.*}}LLytvg
fileprivate var prop: () {
return ()
}
}
open class OpenSubclass : OpenClass {
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage12OpenSubclassC4prop{{.*}}LLytvg
// RESILIENT: define hidden swiftcc void @"$s14method_linkage12OpenSubclassC4prop{{.*}}LLytvg
fileprivate final override var prop: () {
return ()
}
// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage12OpenSubclassC4pbazyyF"
// RESILIENT: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s14method_linkage12OpenSubclassC4pbazyyF"
public final override func pbaz() {}
}
// Just in case anyone wants to delete unused methods...
func callit(b: Base) {
b.foo()
b.bar()
b.other()
b.extfunc()
_ = b.prop
}
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