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swift-mirror/test/Interop/SwiftToCxx/class/swift-class-virtual-method-dispatch.swift
Becca Royal-Gordon da07ff577c [PrintAsClang] Warn about unstable decl order
PrintAsClang is supposed to emit declarations in the same order regardless of the compiler’s internal state, but we have repeatedly found that our current criteria are inadequate, resulting in non-functionality-affecting changes to generated header content. Add a diagnostic that’s emitted when this happens soliciting a bug report.

Since there *should* be no cases where the compiler fails to order declarations, this diagnostic is never actually emitted. Instead, we test this change by enabling `-verify` on nearly all PrintAsClang tests to make sure they are unaffected.

This did demonstrate a missing criterion that only mattered in C++ mode: extensions that varied only in their generic signature were not sorted stably. Add a sort criterion for this.
2025-02-14 21:41:36 -08:00

379 lines
18 KiB
Swift

// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -module-name Class -clang-header-expose-decls=all-public -typecheck -verify -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: }