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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.
183 lines
18 KiB
Swift
183 lines
18 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %S/generic-struct-in-cxx.swift -D KNOWN_LAYOUT -module-name Generics -clang-header-expose-decls=all-public -typecheck -verify -emit-clang-header-path %t/generics.h
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// RUN: %FileCheck %s < %t/generics.h
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// RUN: %check-interop-cxx-header-in-clang(%t/generics.h -Wno-reserved-identifier -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
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// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %S/generic-struct-in-cxx.swift -D KNOWN_LAYOUT -enable-library-evolution -module-name Generics -clang-header-expose-decls=all-public -typecheck -verify -emit-clang-header-path %t/generics.h
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// RUN: %FileCheck %s < %t/generics.h
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// RUN: %check-interop-cxx-header-in-clang(%t/generics.h -Wno-reserved-identifier -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
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// CHECK: namespace Generics SWIFT_PRIVATE_ATTR SWIFT_SYMBOL_MODULE("Generics") {
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// CHECK: // Stub struct to be used to pass/return values to/from Swift functions.
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// CHECK-NEXT: struct swift_interop_passStub_Generics_[[PTRPTRENC:void_ptr_[0-9]_[0-9]_void_ptr_[0-9]_[0-9]+]] {
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// CHECK-NEXT: void * _Nullable _1;
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// CHECK-NEXT: void * _Nullable _2;
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// CHECK-NEXT: };
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// CHECK-EMPTY:
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// CHECK-NEXT: static SWIFT_C_INLINE_THUNK struct swift_interop_passStub_Generics_[[PTRPTRENC]] swift_interop_passDirect_Generics_[[PTRPTRENC]](const char * _Nonnull value) {
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// CHECK-NEXT: struct swift_interop_passStub_Generics_[[PTRPTRENC]] result;
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// CHECK-NEXT: memcpy(&result._1, value
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// CHECK-NEXT: memcpy(&result._2, value
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// CHECK-NEXT: return result;
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// CHECK-NEXT:}
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// CHECK-EMPTY:
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics11GenericPairV1yq_vg(SWIFT_INDIRECT_RESULT void * _Nonnull, struct swift_interop_passStub_Generics_[[PTRPTRENC]] _self, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // _
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics11GenericPairV1yq_vs(const void * _Nonnull newValue, void * _Nonnull , SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // _
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// CHECK-NEXT: // Stub struct to be used to pass/return values to/from Swift functions.
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// CHECK-NEXT: struct swift_interop_returnStub_Generics_[[PTRPTRENC]] {
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// CHECK-NEXT: void * _Nullable _1;
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// CHECK-NEXT: void * _Nullable _2;
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// CHECK-NEXT: };
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// CHECK-EMPTY:
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// CHECK-NEXT: static SWIFT_C_INLINE_THUNK void swift_interop_returnDirect_Generics_[[PTRPTRENC]](char * _Nonnull result, struct swift_interop_returnStub_Generics_[[PTRPTRENC]] value) {
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// CHECK-NEXT: memcpy(result
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// CHECK-NEXT: memcpy(result
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// CHECK-NEXT: }
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// CHECK-EMPTY:
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// CHECK-NEXT: SWIFT_EXTERN struct swift_interop_returnStub_Generics_[[PTRPTRENC]] $s8Generics11GenericPairVyACyxq_Gx_Siq_tcfC(const void * _Nonnull x, ptrdiff_t i, const void * _Nonnull y, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // init(_:_:_:)
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics11GenericPairV6methodyyF(struct swift_interop_passStub_Generics_[[PTRPTRENC]] _self, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // method()
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics11GenericPairV14mutatingMethodyyACyq_xGF(struct swift_interop_passStub_Generics_[[PTRPTRENC]] other, void * _Nonnull , SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // mutatingMethod(_:)
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics11GenericPairV13genericMethodyqd__qd___q_tlF(SWIFT_INDIRECT_RESULT void * _Nonnull, const void * _Nonnull x, const void * _Nonnull y, struct swift_interop_passStub_Generics_[[PTRPTRENC]] _self, void * _Nonnull , void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // genericMethod(_:_:)
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// CHECK-NEXT: SWIFT_EXTERN ptrdiff_t $s8Generics11GenericPairV12computedPropSivg(struct swift_interop_passStub_Generics_[[PTRPTRENC]] _self, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // _
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics11GenericPairV11computedVarxvg(SWIFT_INDIRECT_RESULT void * _Nonnull, struct swift_interop_passStub_Generics_[[PTRPTRENC]] _self, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // _
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics11GenericPairV11computedVarxvs(const void * _Nonnull newValue, void * _Nonnull , SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // _
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// CHECK-NEXT: // Stub struct to be used to pass/return values to/from Swift functions.
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// CHECK-NEXT: struct swift_interop_passStub_Generics_uint64_t_0_8_uint64_t_8_16 {
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// CHECK-NEXT: uint64_t _1;
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// CHECK-NEXT: uint64_t _2;
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// CHECK-NEXT: };
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// CHECK-EMPTY:
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// CHECK-NEXT: static SWIFT_C_INLINE_THUNK struct swift_interop_passStub_Generics_uint64_t_0_8_uint64_t_8_16 swift_interop_passDirect_Generics_uint64_t_0_8_uint64_t_8_16(const char * _Nonnull value) {
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// CHECK: }
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// CHECK-EMPTY:
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// CHECK-NEXT: SWIFT_EXTERN uint64_t $s8Generics12PairOfUInt64V1xs0D0Vvg(struct swift_interop_passStub_Generics_uint64_t_0_8_uint64_t_8_16 _self) SWIFT_NOEXCEPT SWIFT_CALL; // _
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// CHECK-NEXT: SWIFT_EXTERN uint64_t $s8Generics12PairOfUInt64V1ys0D0Vvg(struct swift_interop_passStub_Generics_uint64_t_0_8_uint64_t_8_16 _self) SWIFT_NOEXCEPT SWIFT_CALL; // _
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// CHECK-NEXT: // Stub struct to be used to pass/return values to/from Swift functions.
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// CHECK-NEXT: struct swift_interop_returnStub_Generics_uint64_t_0_8_uint64_t_8_16 {
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// CHECK-NEXT: uint64_t _1;
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// CHECK-NEXT: uint64_t _2;
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// CHECK-NEXT: };
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// CHECK-EMPTY:
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// CHECK-NEXT: static SWIFT_C_INLINE_THUNK void swift_interop_returnDirect_Generics_uint64_t_0_8_uint64_t_8_16(char * _Nonnull result, struct swift_interop_returnStub_Generics_uint64_t_0_8_uint64_t_8_16 value) {
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// CHECK: }
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// CHECK: SWIFT_EXTERN void $s8Generics17inoutConcretePairyys6UInt16V_AA07GenericD0VyA2DGztF(uint16_t x, void * _Nonnull y) SWIFT_NOEXCEPT SWIFT_CALL; // inoutConcretePair(_:_:)
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics16inoutGenericPairyyAA0cD0Vyxq_Gz_xtr0_lF(void * _Nonnull x, const void * _Nonnull y, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // inoutGenericPair(_:_:)
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// CHECK-NEXT: SWIFT_EXTERN struct swift_interop_returnStub_Generics_[[PTRPTRENC]] $s8Generics16makeConcretePairyAA07GenericD0Vys6UInt16VAFGAF_AFtF(uint16_t x, uint16_t y) SWIFT_NOEXCEPT SWIFT_CALL; // makeConcretePair(_:_:)
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// CHECK-NEXT: SWIFT_EXTERN struct swift_interop_returnStub_Generics_[[PTRPTRENC]] $s8Generics15makeGenericPairyAA0cD0Vyxq_Gx_q_tr0_lF(const void * _Nonnull x, const void * _Nonnull y, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // makeGenericPair(_:_:)
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// CHECK-NEXT: SWIFT_EXTERN struct swift_interop_returnStub_Generics_[[PTRPTRENC]] $s8Generics23passThroughConcretePair_1yAA07GenericE0Vys6UInt16VAGGAH_AGtF(struct swift_interop_passStub_Generics_[[PTRPTRENC]] x, uint16_t y) SWIFT_NOEXCEPT SWIFT_CALL; // passThroughConcretePair(_:y:)
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// CHECK-NEXT: SWIFT_EXTERN struct swift_interop_returnStub_Generics_[[PTRPTRENC]] $s8Generics22passThroughGenericPairyAA0dE0Vyxq_GAE_q_tr0_lF(struct swift_interop_passStub_Generics_[[PTRPTRENC]] x, const void * _Nonnull y, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // passThroughGenericPair(_:_:)
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics16takeConcretePairyyAA07GenericD0Vys6UInt16VAFGF(struct swift_interop_passStub_Generics_[[PTRPTRENC]] x) SWIFT_NOEXCEPT SWIFT_CALL; // takeConcretePair(_:)
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// CHECK-NEXT: SWIFT_EXTERN void $s8Generics15takeGenericPairyyAA0cD0Vyxq_Gr0_lF(struct swift_interop_passStub_Generics_[[PTRPTRENC]] x, void * _Nonnull , void * _Nonnull ) SWIFT_NOEXCEPT SWIFT_CALL; // takeGenericPair(_:)
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// CHECK: template<class T_0_0, class T_0_1>
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// CHECK-NEXT: #ifdef __cpp_concepts
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// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0> && swift::isUsableInGenericContext<T_0_1>
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// CHECK-NEXT: #endif
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// CHECK-NEXT: class SWIFT_SYMBOL("s:8Generics11GenericPairV") GenericPair;
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// CHECK: template<class T_0_0, class T_0_1>
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// CHECK: template<class T_0_0, class T_0_1>
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// CHECK: template<class T_0_0, class T_0_1>
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// CHECK-NEXT: #ifdef __cpp_concepts
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// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0> && swift::isUsableInGenericContext<T_0_1>
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// CHECK-NEXT: #endif
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// CHECK-NEXT: class SWIFT_SYMBOL("s:8Generics11GenericPairV") GenericPair final {
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// CHECK: swift::_impl::OpaqueStorage _storage;
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// CHECK-NEXT: friend class _impl::_impl_GenericPair<T_0_0, T_0_1>;
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// CHECK-NEXT: #pragma clang diagnostic push
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// CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
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// CHECK-NEXT: #pragma clang diagnostic push
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// CHECK-NEXT: #pragma clang diagnostic ignored "-Wreserved-identifier"
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// CHECK-NEXT: typedef char $s8Generics11GenericPairVyxq_GD;
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// CHECK-NEXT: static inline constexpr $s8Generics11GenericPairVyxq_GD __swift_mangled_name = 0;
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// CHECK-NEXT: #pragma clang diagnostic pop
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// CHECK-NEXT: #pragma clang diagnostic pop
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK void inoutConcretePair(uint16_t x, GenericPair<uint16_t, uint16_t>& y) noexcept SWIFT_SYMBOL("s:8Generics17inoutConcretePairyys6UInt16V_AA07GenericD0VyA2DGztF") {
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// CHECK-NEXT: Generics::_impl::$s8Generics17inoutConcretePairyys6UInt16V_AA07GenericD0VyA2DGztF(x, Generics::_impl::_impl_GenericPair<uint16_t, uint16_t>::getOpaquePointer(y));
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK void inoutGenericPair(GenericPair<T_0_0, T_0_1>& x, const T_0_0& y) noexcept SWIFT_SYMBOL("s:8Generics16inoutGenericPairyyAA0cD0Vyxq_Gz_xtr0_lF") {
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// CHECK-NEXT: #ifndef __cpp_concepts
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_1>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: #endif
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// CHECK-NEXT: Generics::_impl::$s8Generics16inoutGenericPairyyAA0cD0Vyxq_Gz_xtr0_lF(Generics::_impl::_impl_GenericPair<T_0_0, T_0_1>::getOpaquePointer(x), swift::_impl::getOpaquePointer(y), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata(), swift::TypeMetadataTrait<T_0_1>::getTypeMetadata());
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK GenericPair<uint16_t, uint16_t> makeConcretePair(uint16_t x, uint16_t y) noexcept SWIFT_SYMBOL("s:8Generics16makeConcretePairyAA07GenericD0Vys6UInt16VAFGAF_AFtF") SWIFT_WARN_UNUSED_RESULT {
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// CHECK-NEXT: return Generics::_impl::_impl_GenericPair<uint16_t, uint16_t>::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::swift_interop_returnDirect_Generics_[[PTRPTRENC]](result, Generics::_impl::$s8Generics16makeConcretePairyAA07GenericD0Vys6UInt16VAFGAF_AFtF(x, y));
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// CHECK: SWIFT_INLINE_THUNK GenericPair<T_0_0, T_0_1> makeGenericPair(const T_0_0& x, const T_0_1& y) noexcept SWIFT_SYMBOL("s:8Generics15makeGenericPairyAA0cD0Vyxq_Gx_q_tr0_lF") SWIFT_WARN_UNUSED_RESULT {
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// CHECK-NEXT: #ifndef __cpp_concepts
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_1>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: #endif
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// CHECK-NEXT: return Generics::_impl::_impl_GenericPair<T_0_0, T_0_1>::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::swift_interop_returnDirect_Generics_[[PTRPTRENC]](result, Generics::_impl::$s8Generics15makeGenericPairyAA0cD0Vyxq_Gx_q_tr0_lF(swift::_impl::getOpaquePointer(x), swift::_impl::getOpaquePointer(y), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata(), swift::TypeMetadataTrait<T_0_1>::getTypeMetadata()));
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// CHECK: SWIFT_INLINE_THUNK GenericPair<uint16_t, uint16_t> passThroughConcretePair(const GenericPair<uint16_t, uint16_t>& x, uint16_t y) noexcept SWIFT_SYMBOL("s:8Generics23passThroughConcretePair_1yAA07GenericE0Vys6UInt16VAGGAH_AGtF") SWIFT_WARN_UNUSED_RESULT {
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// CHECK-NEXT: return Generics::_impl::_impl_GenericPair<uint16_t, uint16_t>::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Generics::_impl::swift_interop_returnDirect_Generics_[[PTRPTRENC]](result, Generics::_impl::$s8Generics23passThroughConcretePair_1yAA07GenericE0Vys6UInt16VAGGAH_AGtF(Generics::_impl::swift_interop_passDirect_Generics_[[PTRPTRENC]](Generics::_impl::_impl_GenericPair<uint16_t, uint16_t>::getOpaquePointer(x)), y));
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// CHECK: SWIFT_INLINE_THUNK GenericPair<T_0_0, T_0_1> passThroughGenericPair(const GenericPair<T_0_0, T_0_1>& x, const T_0_1& y) noexcept SWIFT_SYMBOL("s:8Generics22passThroughGenericPairyAA0dE0Vyxq_GAE_q_tr0_lF") SWIFT_WARN_UNUSED_RESULT {
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// CHECK-NEXT: #ifndef __cpp_concepts
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_1>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: #endif
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// CHECK-NEXT: return Generics::_impl::_impl_GenericPair<T_0_0, T_0_1>::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: Generics::_impl::swift_interop_returnDirect_Generics_[[PTRPTRENC]](result, Generics::_impl::$s8Generics22passThroughGenericPairyAA0dE0Vyxq_GAE_q_tr0_lF(Generics::_impl::swift_interop_passDirect_Generics_[[PTRPTRENC]](Generics::_impl::_impl_GenericPair<T_0_0, T_0_1>::getOpaquePointer(x)), swift::_impl::getOpaquePointer(y), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata(), swift::TypeMetadataTrait<T_0_1>::getTypeMetadata()));
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// CHECK: SWIFT_INLINE_THUNK void takeConcretePair(const GenericPair<uint16_t, uint16_t>& x) noexcept SWIFT_SYMBOL("s:8Generics16takeConcretePairyyAA07GenericD0Vys6UInt16VAFGF") {
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// CHECK-NEXT: _impl::$s8Generics16takeConcretePairyyAA07GenericD0Vys6UInt16VAFGF(Generics::_impl::swift_interop_passDirect_Generics_[[PTRPTRENC]](Generics::_impl::_impl_GenericPair<uint16_t, uint16_t>::getOpaquePointer(x)));
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK void takeGenericPair(const GenericPair<T_0_0, T_0_1>& x) noexcept SWIFT_SYMBOL("s:8Generics15takeGenericPairyyAA0cD0Vyxq_Gr0_lF") {
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// CHECK-NEXT: #ifndef __cpp_concepts
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_1>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: #endif
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// CHECK-NEXT: _impl::$s8Generics15takeGenericPairyyAA0cD0Vyxq_Gr0_lF(Generics::_impl::swift_interop_passDirect_Generics_[[PTRPTRENC]](Generics::_impl::_impl_GenericPair<T_0_0, T_0_1>::getOpaquePointer(x)), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata(), swift::TypeMetadataTrait<T_0_1>::getTypeMetadata());
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK T_0_1 GenericPair<T_0_0, T_0_1>::getY() const {
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// CHECK-NEXT: #ifndef __cpp_concepts
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_1>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: #endif
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// CHECK: _impl::$s8Generics11GenericPairV1yq_vg(reinterpret_cast<void *>(&returnValue), Generics::_impl::swift_interop_passDirect_Generics_[[PTRPTRENC]](_getOpaquePointer()), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata(), swift::TypeMetadataTrait<T_0_1>::getTypeMetadata());
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// CHECK: SWIFT_INLINE_THUNK void GenericPair<T_0_0, T_0_1>::setY(const T_0_1& newValue) {
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// CHECK-NEXT: #ifndef __cpp_concepts
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_1>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: #endif
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// CHECK-NEXT: alignas(alignof(T_0_1)) char copyBuffer_consumedParamCopy_newValue[sizeof(T_0_1)];
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// CHECK-NEXT: auto &consumedParamCopy_newValue = *(new(copyBuffer_consumedParamCopy_newValue) T_0_1(newValue));
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// CHECK-NEXT: swift::_impl::ConsumedValueStorageDestroyer<T_0_1> storageGuard_consumedParamCopy_newValue(consumedParamCopy_newValue);
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// CHECK-NEXT: _impl::$s8Generics11GenericPairV1yq_vs(swift::_impl::getOpaquePointer(consumedParamCopy_newValue), swift::TypeMetadataTrait<GenericPair<T_0_0, T_0_1>>::getTypeMetadata(), _getOpaquePointer());
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// CHECK-NEXT: }
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// CHECK: SWIFT_INLINE_THUNK GenericPair<T_0_0, T_0_1> GenericPair<T_0_0, T_0_1>::init(const T_0_0& x, swift::Int i, const T_0_1& y)
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// CHECK-NEXT: #ifndef __cpp_concepts
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_1>, "type cannot be used in a Swift generic context");
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// CHECK-NEXT: #endif
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// CHECK-NEXT: alignas(alignof(T_0_0)) char copyBuffer_consumedParamCopy_x[sizeof(T_0_0)];
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// CHECK-NEXT: auto &consumedParamCopy_x = *(new(copyBuffer_consumedParamCopy_x) T_0_0(x));
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// CHECK-NEXT: swift::_impl::ConsumedValueStorageDestroyer<T_0_0> storageGuard_consumedParamCopy_x(consumedParamCopy_x);
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// CHECK-NEXT: alignas(alignof(T_0_1)) char copyBuffer_consumedParamCopy_y[sizeof(T_0_1)];
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// CHECK-NEXT: auto &consumedParamCopy_y = *(new(copyBuffer_consumedParamCopy_y) T_0_1(y));
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// CHECK-NEXT: swift::_impl::ConsumedValueStorageDestroyer<T_0_1> storageGuard_consumedParamCopy_y(consumedParamCopy_y);
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// CHECK-NEXT: return Generics::_impl::_impl_GenericPair<T_0_0, T_0_1>::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
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// CHECK-NEXT: _impl::swift_interop_returnDirect_Generics_[[PTRPTRENC]](result, Generics::_impl::$s8Generics11GenericPairVyACyxq_Gx_Siq_tcfC(swift::_impl::getOpaquePointer(consumedParamCopy_x), i, swift::_impl::getOpaquePointer(consumedParamCopy_y), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata(), swift::TypeMetadataTrait<T_0_1>::getTypeMetadata()));
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// CHECK: SWIFT_INLINE_THUNK T_1_0 GenericPair<T_0_0, T_0_1>::genericMethod(const T_1_0& x, const T_0_1& y) const {
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// CHECK: _impl::$s8Generics11GenericPairV13genericMethodyqd__qd___q_tlF(reinterpret_cast<void *>(&returnValue), swift::_impl::getOpaquePointer(x), swift::_impl::getOpaquePointer(y), Generics::_impl::swift_interop_passDirect_Generics_[[PTRPTRENC]](_getOpaquePointer()), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata(), swift::TypeMetadataTrait<T_0_1>::getTypeMetadata(), swift::TypeMetadataTrait<T_1_0>::getTypeMetadata());
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