Files
swift-mirror/test/Interop/SwiftToCxx/class/swift-class-virtual-method-dispatch.swift
Gabor Horvath 94b466656e [cxx-interop] Support nested structs
It is really involved to change how methods and classes are emitted into
the header so this patch introduces the impression of nested structs
through using statements and still emits the structs themselves as top
level structs. It emits them in their own namespace to avoid name
collisions. This patch also had to change some names to be fully
qualified to avoid some name lookup errors in case of nested structs.
Moreover, nesting level of 3 and above requires C++17 because it relies
on nested namespaces. Only nested structs are supported, not nested
classes.

Since this patch is already started to grow quite big, I decided to put
it out for reviews and plan to address some of the shortcomings in a
follow-up PR.

rdar://118793469
2024-09-10 13:22:17 +01:00

379 lines
18 KiB
Swift

// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -typecheck -module-name Class -clang-header-expose-decls=all-public -emit-clang-header-path %t/class.h
// RUN: %FileCheck %s < %t/class.h
// RUN: %check-interop-cxx-header-in-clang(%t/class.h -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
// UNSUPPORTED: CPU=arm64e
public class BaseClass {
var field: Int64
init() {
field = 0
}
public func virtualMethod() {
print("BaseClass.virtualMethod")
}
public func virtualMethodIntInt(_ x: Int) -> Int {
return x
}
public final func finalMethodInBase(_ x: Int) -> Int {
return x * 2
}
public var virtualComputedProp: Int {
return 21
}
public var virtualComputedGetSet: Int64 {
get {
return field
}
set {
field = newValue
}
}
public var storedProp: Int = 0
public subscript(_ i: Int) -> Int {
return i
}
}
public class DerivedClass: BaseClass {
override init() {
super.init()
}
override public func virtualMethod() {
print("DerivedClass.virtualMethod")
}
override public func virtualMethodIntInt(_ x: Int) -> Int {
return -x
}
public func virtualMethodInDerived(_ x: BaseClass) -> BaseClass {
return x
}
override public var virtualComputedProp: Int {
return -75
}
override public var virtualComputedGetSet: Int64 {
get {
super.virtualComputedGetSet
}
set {
super.virtualComputedGetSet = newValue * 2
}
}
override public var storedProp: Int {
get {
return -super.storedProp
}
set {
super.storedProp = newValue
}
}
override public subscript(_ i: Int) -> Int {
return i * 2
}
}
public final class DerivedDerivedClass: DerivedClass {
override init() {
super.init()
}
override public func virtualMethod() {
print("DerivedDerivedClass.virtualMethod")
}
override public func virtualMethodInDerived(_ x: BaseClass) -> BaseClass {
return self
}
public func methodInDerivedDerived() {
print("DerivedDerivedClass.methodInDerivedDerived")
}
override public var storedProp: Int {
get {
return -super.storedProp
}
set {
super.storedProp = newValue + 1
}
}
public var storedPropInDerivedDerived: Int = 0
public var computedPropInDerivedDerived: Int { return 11 }
}
public func returnBaseClass() -> BaseClass {
return BaseClass()
}
public func returnDerivedClass() -> DerivedClass {
return DerivedClass()
}
public func returnDerivedDerivedClass() -> DerivedDerivedClass {
return DerivedDerivedClass()
}
// CHECK: void BaseClass::virtualMethod() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0C13virtualMethodyyF) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM1:]] / sizeof(void *));
// CHECK-NEXT: (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int BaseClass::virtualMethodIntInt(swift::Int x) {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0C016virtualMethodIntE0yS2iF) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM2:]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int BaseClass::finalMethodInBase(swift::Int x) {
// CHECK-NEXT: return Class::_impl::$s5Class04BaseA0C013finalMethodInB0yS2iF(x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int BaseClass::getVirtualComputedProp() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0C19virtualComputedPropSivg) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM3:]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: int64_t BaseClass::getVirtualComputedGetSet() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0C21virtualComputedGetSets5Int64Vvg) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM4:]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: void BaseClass::setVirtualComputedGetSet(int64_t newValue) {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0C21virtualComputedGetSets5Int64Vvs) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM5:]] / sizeof(void *));
// CHECK-NEXT: (* fptrptr_->func)(newValue, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int BaseClass::getStoredProp() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0C10storedPropSivg) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM7:]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: void BaseClass::setStoredProp(swift::Int value) {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0C10storedPropSivs) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM8:]] / sizeof(void *));
// CHECK-NEXT: (* fptrptr_->func)(value, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int BaseClass::operator [](swift::Int i) const
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class04BaseA0CyS2icig) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM10:]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(i, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: void DerivedClass::virtualMethod() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C13virtualMethodyyF) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM1]] / sizeof(void *));
// CHECK-NEXT: (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int DerivedClass::virtualMethodIntInt(swift::Int x) {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C016virtualMethodIntE0yS2iF) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM2]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: BaseClass DerivedClass::virtualMethodInDerived(const BaseClass& x) {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C015virtualMethodInB0yAA04BaseA0CAFF) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM11:]] / sizeof(void *));
// CHECK-NEXT: return _impl::_impl_BaseClass::makeRetained((* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(x), ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this)));
// CHECK-NEXT: }
// CHECK: swift::Int DerivedClass::getVirtualComputedProp() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C19virtualComputedPropSivg) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM3]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: int64_t DerivedClass::getVirtualComputedGetSet() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C21virtualComputedGetSets5Int64Vvg) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM4]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: void DerivedClass::setVirtualComputedGetSet(int64_t newValue) {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C21virtualComputedGetSets5Int64Vvs) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM5]] / sizeof(void *));
// CHECK-NEXT: (* fptrptr_->func)(newValue, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int DerivedClass::getStoredProp() {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C10storedPropSivg) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM7]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: void DerivedClass::setStoredProp(swift::Int newValue) {
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0C10storedPropSivs) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM8]] / sizeof(void *));
// CHECK-NEXT: (* fptrptr_->func)(newValue, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int DerivedClass::operator [](swift::Int i) const
// CHECK-NEXT: void ***selfPtr_ = reinterpret_cast<void ***>( ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: void **vtable_ = ptrauth_auth_data(*selfPtr_, ptrauth_key_process_independent_data, ptrauth_blend_discriminator(selfPtr_,27361));
// CHECK-NEXT: #else
// CHECK-NEXT: void **vtable_ = *selfPtr_;
// CHECK-NEXT: #endif
// CHECK-NEXT: struct FTypeAddress {
// CHECK-NEXT: decltype(_impl::$s5Class07DerivedA0CyS2icig) * func;
// CHECK-NEXT: };
// CHECK-NEXT: FTypeAddress *fptrptr_ = reinterpret_cast<FTypeAddress *>(vtable_ + [[#VM10]] / sizeof(void *));
// CHECK-NEXT: return (* fptrptr_->func)(i, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK: void DerivedDerivedClass::virtualMethod() {
// CHECK-NEXT: _impl::$s5Class07DerivedbA0C13virtualMethodyyF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: BaseClass DerivedDerivedClass::virtualMethodInDerived(const BaseClass& x) {
// CHECK-NEXT: return _impl::_impl_BaseClass::makeRetained(Class::_impl::$s5Class07DerivedbA0C015virtualMethodInB0yAA04BaseA0CAFF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(x), ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this)));
// CHECK-NEXT: }
// CHECK: void DerivedDerivedClass::methodInDerivedDerived() {
// CHECK-NEXT: _impl::$s5Class07DerivedbA0C08methodInbB0yyF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int DerivedDerivedClass::getStoredProp() {
// CHECK-NEXT: return Class::_impl::$s5Class07DerivedbA0C10storedPropSivg(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }
// CHECK: swift::Int DerivedDerivedClass::getComputedPropInDerivedDerived() {
// CHECK-NEXT: return Class::_impl::$s5Class07DerivedbA0C014computedPropInbB0Sivg(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
// CHECK-NEXT: }