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https://github.com/apple/swift.git
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da07ff577c
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.
206 lines
10 KiB
Swift
206 lines
10 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %s -module-name Properties -clang-header-expose-decls=all-public -typecheck -verify -emit-clang-header-path %t/properties.h
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// RUN: %FileCheck %s < %t/properties.h
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// RUN: %check-interop-cxx-header-in-clang(%t/properties.h -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
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public struct FirstSmallStruct {
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public let x: UInt32
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}
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// CHECK: class SWIFT_SYMBOL({{.*}}) FirstSmallStruct final {
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// CHECK: public:
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// CHECK: SWIFT_INLINE_PRIVATE_HELPER FirstSmallStruct(FirstSmallStruct &&)
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// CHECK: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK uint32_t getX() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: private:
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public struct LargeStruct {
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public let x1, x2, x3, x4, x5, x6: Int
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public var anotherLargeStruct: LargeStruct {
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return LargeStruct(x1: 11, x2: 42, x3: -0xFFF, x4: 0xbad, x5: 5, x6: 0)
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}
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public var firstSmallStruct: FirstSmallStruct {
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return FirstSmallStruct(x: 65)
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}
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static public var staticX: Int {
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return -402
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}
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static public var staticSmallStruct: FirstSmallStruct {
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return FirstSmallStruct(x: 789)
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}
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}
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// CHECK: class SWIFT_SYMBOL({{.*}}) LargeStruct final {
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// CHECK: public:
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// CHECK: SWIFT_INLINE_PRIVATE_HELPER LargeStruct(LargeStruct &&)
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// CHECK: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getX1() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getX2() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getX3() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getX4() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getX5() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getX6() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct getAnotherLargeStruct() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK FirstSmallStruct getFirstSmallStruct() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: static SWIFT_INLINE_THUNK swift::Int getStaticX() SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: static SWIFT_INLINE_THUNK FirstSmallStruct getStaticSmallStruct() SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: private:
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public final class PropertiesInClass {
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public let storedInt: Int32
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init(_ x: Int32) {
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storedInt = x
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}
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public var computedInt: Int {
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return Int(storedInt) - 1
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}
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public var smallStruct: FirstSmallStruct {
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return FirstSmallStruct(x: UInt32(-storedInt));
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}
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}
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// CHECK: class SWIFT_SYMBOL({{.*}}) PropertiesInClass final : public swift::_impl::RefCountedClass {
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// CHECK: using RefCountedClass::operator=;
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// CHECK-NEXT: SWIFT_INLINE_THUNK int32_t getStoredInt() SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getComputedInt() SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK FirstSmallStruct getSmallStruct() SWIFT_SYMBOL({{.*}});
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public func createPropsInClass(_ x: Int32) -> PropertiesInClass {
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return PropertiesInClass(x)
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}
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public struct SmallStructWithGetters {
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public let storedInt: UInt32
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public var computedInt: Int {
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return Int(storedInt) + 2
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}
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public var largeStruct: LargeStruct {
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return LargeStruct(x1: computedInt * 2, x2: 1, x3: 2, x4: 3, x5: 4, x6: 5)
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}
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public var smallStruct: SmallStructWithGetters {
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return SmallStructWithGetters(storedInt: 0xFAE);
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}
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}
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// CHECK: class SWIFT_SYMBOL({{.*}}) SmallStructWithGetters final {
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// CHECK: public:
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// CHECK: SWIFT_INLINE_PRIVATE_HELPER SmallStructWithGetters(SmallStructWithGetters &&)
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// CHECK: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK uint32_t getStoredInt() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getComputedInt() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct getLargeStruct() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: SWIFT_INLINE_THUNK SmallStructWithGetters getSmallStruct() const SWIFT_SYMBOL({{.*}});
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// CHECK-NEXT: private:
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public func createSmallStructWithGetter() -> SmallStructWithGetters {
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return SmallStructWithGetters(storedInt: 21)
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}
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private class RefCountedClass {
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let x: Int
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init(x: Int) {
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self.x = x
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print("create RefCountedClass \(x)")
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}
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deinit {
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print("destroy RefCountedClass \(x)")
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}
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}
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public struct StructWithRefCountStoredProp {
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private let storedRef: RefCountedClass
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internal init(x: Int) {
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storedRef = RefCountedClass(x: x)
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}
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public var another: StructWithRefCountStoredProp {
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return StructWithRefCountStoredProp(x: 1)
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}
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}
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public func createStructWithRefCountStoredProp() -> StructWithRefCountStoredProp {
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return StructWithRefCountStoredProp(x: 0)
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}
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// CHECK: SWIFT_INLINE_THUNK uint32_t FirstSmallStruct::getX() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties16FirstSmallStructV1xs6UInt32Vvg(Properties::_impl::swift_interop_passDirect_Properties_uint32_t_0_4(_getOpaquePointer()));
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK swift::Int LargeStruct::getX1() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties11LargeStructV2x1Sivg(_getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int LargeStruct::getX2() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties11LargeStructV2x2Sivg(_getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int LargeStruct::getX3() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties11LargeStructV2x3Sivg(_getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int LargeStruct::getX4() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties11LargeStructV2x4Sivg(_getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int LargeStruct::getX5() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties11LargeStructV2x5Sivg(_getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int LargeStruct::getX6() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties11LargeStructV2x6Sivg(_getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct LargeStruct::getAnotherLargeStruct() const {
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// CHECK-NEXT: return Properties::_impl::_impl_LargeStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Properties::_impl::$s10Properties11LargeStructV07anotherbC0ACvg(result, _getOpaquePointer());
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK FirstSmallStruct LargeStruct::getFirstSmallStruct() const {
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// CHECK-NEXT: return Properties::_impl::_impl_FirstSmallStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Properties::_impl::swift_interop_returnDirect_Properties_uint32_t_0_4(result, Properties::_impl::$s10Properties11LargeStructV010firstSmallC0AA05FirsteC0Vvg(_getOpaquePointer()));
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int LargeStruct::getStaticX() {
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// CHECK-NEXT: return Properties::_impl::$s10Properties11LargeStructV7staticXSivgZ();
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK FirstSmallStruct LargeStruct::getStaticSmallStruct() {
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// CHECK-NEXT: return Properties::_impl::_impl_FirstSmallStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Properties::_impl::swift_interop_returnDirect_Properties_uint32_t_0_4(result, Properties::_impl::$s10Properties11LargeStructV011staticSmallC0AA05FirsteC0VvgZ());
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK int32_t PropertiesInClass::getStoredInt() {
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// CHECK-NEXT: return Properties::_impl::$s10Properties0A7InClassC9storedInts5Int32Vvg(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int PropertiesInClass::getComputedInt() {
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// CHECK-NEXT: return Properties::_impl::$s10Properties0A7InClassC11computedIntSivg(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK FirstSmallStruct PropertiesInClass::getSmallStruct() {
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// CHECK-NEXT: return Properties::_impl::_impl_FirstSmallStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Properties::_impl::swift_interop_returnDirect_Properties_uint32_t_0_4(result, Properties::_impl::$s10Properties0A7InClassC11smallStructAA010FirstSmallE0Vvg(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this)));
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK uint32_t SmallStructWithGetters::getStoredInt() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties22SmallStructWithGettersV9storedInts6UInt32Vvg(Properties::_impl::swift_interop_passDirect_Properties_uint32_t_0_4(_getOpaquePointer()));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int SmallStructWithGetters::getComputedInt() const {
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// CHECK-NEXT: return Properties::_impl::$s10Properties22SmallStructWithGettersV11computedIntSivg(Properties::_impl::swift_interop_passDirect_Properties_uint32_t_0_4(_getOpaquePointer()));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct SmallStructWithGetters::getLargeStruct() const {
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// CHECK-NEXT: return Properties::_impl::_impl_LargeStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Properties::_impl::$s10Properties22SmallStructWithGettersV05largeC0AA05LargeC0Vvg(result, Properties::_impl::swift_interop_passDirect_Properties_uint32_t_0_4(_getOpaquePointer()));
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK SmallStructWithGetters SmallStructWithGetters::getSmallStruct() const {
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// CHECK-NEXT: return Properties::_impl::_impl_SmallStructWithGetters::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Properties::_impl::swift_interop_returnDirect_Properties_uint32_t_0_4(result, Properties::_impl::$s10Properties22SmallStructWithGettersV05smallC0ACvg(Properties::_impl::swift_interop_passDirect_Properties_uint32_t_0_4(_getOpaquePointer())));
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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