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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.
213 lines
11 KiB
Swift
213 lines
11 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %s -module-name Methods -clang-header-expose-decls=all-public -typecheck -verify -emit-clang-header-path %t/methods.h
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// RUN: %FileCheck %s < %t/methods.h
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// RUN: %check-interop-cxx-header-in-clang(%t/methods.h -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
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public struct LargeStruct {
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let x1, x2, x3, x4, x5, x6: Int
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public func doubled() -> LargeStruct {
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return LargeStruct(x1: x1 * 2, x2: x2 * 2, x3: x3 * 2, x4: x4 * 2, x5: x5 * 2, x6: x6 * 2)
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}
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public func dump() {
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print("\(x1), \(x2), \(x3), \(x4), \(x5), \(x6)")
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}
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public func scaled(_ x: Int, _ y: Int) -> LargeStruct {
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return LargeStruct(x1: x1 * x, x2: x2 * y, x3: x3 * x, x4: x4 * y, x5: x5 * x, x6: x6 * y)
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}
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public func added(_ x: LargeStruct) -> LargeStruct {
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return LargeStruct(x1: x1 + x.x1, x2: x2 + x.x2, x3: x3 + x.x3, x4: x4 + x.x4, x5: x5 + x.x5, x6: x6 + x.x6)
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}
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static public func staticMethod() {
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print("LargeStruct.staticMethod;")
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}
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}
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public final class ClassWithMethods {
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var field: Int
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init(_ x: Int) {
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field = x
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}
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deinit {
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print("ClassWithMethods \(field) deinit")
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}
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public func dump() {
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print("ClassWithMethods \(field);")
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}
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public func sameRet() -> ClassWithMethods {
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return self
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}
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public func mutate() {
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field = -field
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}
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public func deepCopy(_ x: Int) -> ClassWithMethods {
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return ClassWithMethods(field + x)
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}
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static public func staticFinalClassMethod(x: Int) -> LargeStruct {
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print("ClassWithMethods.staticFinalClassMethod;")
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return LargeStruct(x1: 1, x2: -1, x3: -x, x4: -2, x5: x, x6: -456)
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}
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}
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public class ClassWithNonFinalMethods {
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class public func classClassMethod(x: Int) -> Int {
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print("ClassWithNonFinalMethods.classClassMethod;")
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return x + 2
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}
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static public func staticClassMethod() {
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print("ClassWithNonFinalMethods.staticClassMethod;")
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}
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}
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public final class PassStructInClassMethod {
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var largeStruct: LargeStruct
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init() { largeStruct = LargeStruct(x1: 1, x2: 2, x3: 3, x4: 4, x5: 5, x6: 6) }
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public func retStruct(_ x: Int) -> LargeStruct {
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print("PassStructInClassMethod.retStruct \(x);")
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return largeStruct
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}
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public func updateStruct(_ x: Int, _ y: LargeStruct) {
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largeStruct = LargeStruct(x1: x, x2: y.x2, x3: y.x3, x4: y.x4, x5: y.x5, x6: y.x6)
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}
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}
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// CHECK: SWIFT_EXTERN void $s7Methods09ClassWithA0C4dumpyyF(SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // dump()
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// CHECK: SWIFT_EXTERN void * _Nonnull $s7Methods09ClassWithA0C7sameRetACyF(SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // sameRet()
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// CHECK: SWIFT_EXTERN void $s7Methods09ClassWithA0C6mutateyyF(SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // mutate()
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// CHECK: SWIFT_EXTERN void * _Nonnull $s7Methods09ClassWithA0C8deepCopyyACSiF(ptrdiff_t x, SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // deepCopy(_:)
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// CHECK: SWIFT_EXTERN void $s7Methods11LargeStructV7doubledACyF(SWIFT_INDIRECT_RESULT void * _Nonnull, SWIFT_CONTEXT const void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // doubled()
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// CHECK: SWIFT_EXTERN void $s7Methods11LargeStructV4dumpyyF(SWIFT_CONTEXT const void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // dump()
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// CHECK: SWIFT_EXTERN void $s7Methods11LargeStructV6scaledyACSi_SitF(SWIFT_INDIRECT_RESULT void * _Nonnull, ptrdiff_t x, ptrdiff_t y, SWIFT_CONTEXT const void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // scaled(_:_:)
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// CHECK: SWIFT_EXTERN void $s7Methods11LargeStructV5addedyA2CF(SWIFT_INDIRECT_RESULT void * _Nonnull, const void * _Nonnull x, SWIFT_CONTEXT const void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // added(_:)
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// CHECK: SWIFT_EXTERN void $s7Methods23PassStructInClassMethodC03retC0yAA05LargeC0VSiF(SWIFT_INDIRECT_RESULT void * _Nonnull, ptrdiff_t x, SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // retStruct(_:)
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// CHECK: SWIFT_EXTERN void $s7Methods23PassStructInClassMethodC06updateC0yySi_AA05LargeC0VtF(ptrdiff_t x, const void * _Nonnull y, SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // updateStruct(_:_:)
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// CHECK: class SWIFT_SYMBOL("s:7Methods09ClassWithA0C") ClassWithMethods final : public swift::_impl::RefCountedClass {
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// CHECK: using RefCountedClass::RefCountedClass;
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// CHECK-NEXT: using RefCountedClass::operator=;
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// CHECK-NEXT: SWIFT_INLINE_THUNK void dump() SWIFT_SYMBOL("s:7Methods09ClassWithA0C4dumpyyF");
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// CHECK-NEXT: SWIFT_INLINE_THUNK ClassWithMethods sameRet() SWIFT_SYMBOL("s:7Methods09ClassWithA0C7sameRetACyF");
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// CHECK-NEXT: SWIFT_INLINE_THUNK void mutate() SWIFT_SYMBOL("s:7Methods09ClassWithA0C6mutateyyF");
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// CHECK-NEXT: SWIFT_INLINE_THUNK ClassWithMethods deepCopy(swift::Int x) SWIFT_SYMBOL("s:7Methods09ClassWithA0C8deepCopyyACSiF");
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// CHECK-NEXT: static SWIFT_INLINE_THUNK LargeStruct staticFinalClassMethod(swift::Int x) SWIFT_SYMBOL("s:7Methods09ClassWithA0C011staticFinalB6Method1xAA11LargeStructVSi_tFZ");
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// CHECK: class SWIFT_SYMBOL("s:7Methods11LargeStructV") LargeStruct final {
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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 LargeStruct doubled() const SWIFT_SYMBOL("s:7Methods11LargeStructV7doubledACyF");
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// CHECK-NEXT: SWIFT_INLINE_THUNK void dump() const SWIFT_SYMBOL("s:7Methods11LargeStructV4dumpyyF");
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct scaled(swift::Int x, swift::Int y) const SWIFT_SYMBOL("s:7Methods11LargeStructV6scaledyACSi_SitF");
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct added(const LargeStruct& x) const SWIFT_SYMBOL("s:7Methods11LargeStructV5addedyA2CF");
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// CHECK-NEXT: static SWIFT_INLINE_THUNK void staticMethod() SWIFT_SYMBOL("s:7Methods11LargeStructV12staticMethodyyFZ");
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// CHECK-NEXT: private
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public struct WrapOverloadedMethods {
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let x: Int
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public func method(_ x: Int) {
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}
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public func method(_ x: Float) {
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}
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public func method(argLabel y: Int64) {
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}
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}
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// CHECK: WrapOverloadedMethods final {
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// CHECK: SWIFT_INLINE_THUNK void method
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// CHECK-SAME: (swift::Int x) const SWIFT_SYMBOL("s:7Methods014WrapOverloadedA0V6methodyySiF");
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// CHECK-NEXT: private:
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public struct WrapOverloadedMethodsSibling {
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let x: Int
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// Sibling method with same name should be emitted.
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public func method(_ x: Int) {
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}
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}
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// CHECK: WrapOverloadedMethodsSibling final {
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// CHECK: SWIFT_INLINE_THUNK void method
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// CHECK-SAME: (swift::Int x) const SWIFT_SYMBOL("s:7Methods014WrapOverloadedA7SiblingV6methodyySiF");
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// CHECK-NEXT: private:
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public func createClassWithMethods(_ x: Int) -> ClassWithMethods {
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return ClassWithMethods(x)
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}
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public func createLargeStruct() -> LargeStruct {
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return LargeStruct(x1: -1, x2: 2, x3: -100, x4: 42, x5: 67, x6: -10101)
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}
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public func createPassStructInClassMethod() -> PassStructInClassMethod {
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return PassStructInClassMethod()
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}
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// CHECK: SWIFT_INLINE_THUNK void ClassWithMethods::dump() {
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// CHECK-NEXT: _impl::$s7Methods09ClassWithA0C4dumpyyF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK ClassWithMethods ClassWithMethods::sameRet() {
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// CHECK-NEXT: return _impl::_impl_ClassWithMethods::makeRetained(Methods::_impl::$s7Methods09ClassWithA0C7sameRetACyF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this)));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK void ClassWithMethods::mutate() {
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// CHECK-NEXT: _impl::$s7Methods09ClassWithA0C6mutateyyF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK ClassWithMethods ClassWithMethods::deepCopy(swift::Int x) {
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// CHECK-NEXT: return _impl::_impl_ClassWithMethods::makeRetained(Methods::_impl::$s7Methods09ClassWithA0C8deepCopyyACSiF(x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this)));
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct ClassWithMethods::staticFinalClassMethod(swift::Int x) {
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// CHECK-NEXT: return Methods::_impl::_impl_LargeStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::$s7Methods09ClassWithA0C011staticFinalB6Method1xAA11LargeStructVSi_tFZ(result, x, swift::TypeMetadataTrait<ClassWithMethods>::getTypeMetadata());
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int ClassWithNonFinalMethods::classClassMethod(swift::Int x) {
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// CHECK-NEXT: return Methods::_impl::$s7Methods017ClassWithNonFinalA0C05classB6Method1xS2i_tFZ(x, swift::TypeMetadataTrait<ClassWithNonFinalMethods>::getTypeMetadata());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK void ClassWithNonFinalMethods::staticClassMethod() {
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// CHECK-NEXT: _impl::$s7Methods017ClassWithNonFinalA0C06staticB6MethodyyFZ(swift::TypeMetadataTrait<ClassWithNonFinalMethods>::getTypeMetadata());
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK LargeStruct LargeStruct::doubled() const {
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// CHECK-NEXT: return Methods::_impl::_impl_LargeStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::$s7Methods11LargeStructV7doubledACyF(result, _getOpaquePointer());
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK void LargeStruct::dump() const {
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// CHECK-NEXT: _impl::$s7Methods11LargeStructV4dumpyyF(_getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct LargeStruct::scaled(swift::Int x, swift::Int y) const {
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// CHECK-NEXT: return Methods::_impl::_impl_LargeStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::$s7Methods11LargeStructV6scaledyACSi_SitF(result, x, y, _getOpaquePointer());
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK LargeStruct LargeStruct::added(const LargeStruct& x) const {
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// CHECK-NEXT: return Methods::_impl::_impl_LargeStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::$s7Methods11LargeStructV5addedyA2CF(result, Methods::_impl::_impl_LargeStruct::getOpaquePointer(x), _getOpaquePointer());
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK void LargeStruct::staticMethod() {
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// CHECK-NEXT: _impl::$s7Methods11LargeStructV12staticMethodyyFZ();
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK LargeStruct PassStructInClassMethod::retStruct(swift::Int x) {
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// CHECK-NEXT: return Methods::_impl::_impl_LargeStruct::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::$s7Methods23PassStructInClassMethodC03retC0yAA05LargeC0VSiF(result, x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: });
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// CHECK-NEXT: }
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// CHECK-NEXT: SWIFT_INLINE_THUNK void PassStructInClassMethod::updateStruct(swift::Int x, const LargeStruct& y) {
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// CHECK-NEXT: _impl::$s7Methods23PassStructInClassMethodC06updateC0yySi_AA05LargeC0VtF(x, Methods::_impl::_impl_LargeStruct::getOpaquePointer(y), ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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