Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
This revision was automatically updated to reflect the committed changes. Closed by commit rL270535: [MSVC2015] dllexport for defaulted special class members (authored by dpolukhin). Changed prior to commit: http://reviews.llvm.org/D20422?vs=58088&id=58197#toc Repository: rL LLVM http://reviews.llvm.org/D20422 Files: cfe/trunk/lib/Sema/SemaDeclCXX.cpp cfe/trunk/test/CodeGenCXX/dllexport-members.cpp cfe/trunk/test/CodeGenCXX/dllexport.cpp Index: cfe/trunk/test/CodeGenCXX/dllexport.cpp === --- cfe/trunk/test/CodeGenCXX/dllexport.cpp +++ cfe/trunk/test/CodeGenCXX/dllexport.cpp @@ -1,8 +1,8 @@ -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 -check-prefix=M32MSVC2015 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 -check-prefix=M32MSVC2013 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 -check-prefix=M64MSVC2015 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 -check-prefix=M64MSVC2013 %s // RUN: %clang_cc1 -triple i686-windows-gnu-emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s // RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s @@ -561,7 +561,7 @@ // Explicitly defaulted copy constructur: T(const T&) = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" void a() {} // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@T@@QAEXXZ" @@ -647,9 +647,34 @@ struct __declspec(dllexport) DefaultedCtorsDtors { DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" ~DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" +}; + +// Export defaulted member function definitions declared inside class. +struct __declspec(dllexport) ExportDefaultedInclassDefs { + ExportDefaultedInclassDefs() = default; + // M32VS2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M64VS2013-DAG: define weak_odr dllexport%struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M32VS2015-NOT: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M64VS2015-NOT: define weak_odr dllexport%stru
Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
rnk accepted this revision. rnk added a comment. This revision is now accepted and ready to land. lgtm Thanks! http://reviews.llvm.org/D20422 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
DmitryPolukhin added a comment. PTAL Comment at: lib/Sema/SemaDeclCXX.cpp:13113-13114 @@ -13065,28 +13112,4 @@ -if (MD->isInvalidDecl()) - return; - -switch (Member) { -case CXXDefaultConstructor: - DefineImplicitDefaultConstructor(DefaultLoc, - cast(MD)); - break; -case CXXCopyConstructor: - DefineImplicitCopyConstructor(DefaultLoc, cast(MD)); - break; -case CXXCopyAssignment: - DefineImplicitCopyAssignment(DefaultLoc, MD); - break; -case CXXDestructor: - DefineImplicitDestructor(DefaultLoc, cast(MD)); - break; -case CXXMoveConstructor: - DefineImplicitMoveConstructor(DefaultLoc, cast(MD)); - break; -case CXXMoveAssignment: - DefineImplicitMoveAssignment(DefaultLoc, MD); - break; -case CXXInvalid: - llvm_unreachable("Invalid special member."); -} +if (!MD->isInvalidDecl()) + DefineImplicitSpecialMember(*this, MD, DefaultLoc); } else { I added code to drop dllexport attribute but the check for dropping dllexport attribute is basically the same. Moreover it cannot be done when the attribute is processed because we need full class definition so I moved the check to CheckCompletedCXXClass. Alternatively I can move the check to checkClassLevelDLLAttribute but it will start working for classes without class level dllexport attribute to detect if any class member has member level attribute (it is less efficient because it requires more more loop over all class methods even for all classes). http://reviews.llvm.org/D20422 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
DmitryPolukhin updated this revision to Diff 58088. DmitryPolukhin added a comment. - drop dllexport for trivial defaulted x-tors for compatibility with MSVC2015 - move checks to CheckCompletedCXXClass because completed class definition is required to detect if x-tor is trivial http://reviews.llvm.org/D20422 Files: lib/Sema/SemaDeclCXX.cpp test/CodeGenCXX/dllexport-members.cpp test/CodeGenCXX/dllexport.cpp Index: test/CodeGenCXX/dllexport.cpp === --- test/CodeGenCXX/dllexport.cpp +++ test/CodeGenCXX/dllexport.cpp @@ -1,8 +1,8 @@ -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 -check-prefix=M32MSVC2015 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 -check-prefix=M32MSVC2013 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 -check-prefix=M64MSVC2015 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 -check-prefix=M64MSVC2013 %s // RUN: %clang_cc1 -triple i686-windows-gnu-emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s // RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s @@ -561,7 +561,7 @@ // Explicitly defaulted copy constructur: T(const T&) = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" void a() {} // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@T@@QAEXXZ" @@ -647,9 +647,34 @@ struct __declspec(dllexport) DefaultedCtorsDtors { DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" ~DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" +}; + +// Export defaulted member function definitions declared inside class. +struct __declspec(dllexport) ExportDefaultedInclassDefs { + ExportDefaultedInclassDefs() = default; + // M32VS2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M64VS2013-DAG: define weak_odr dllexport%struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M32VS2015-NOT: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M64VS2015-NOT: define weak_odr dllexport%struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@
Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
rnk added inline comments. Comment at: lib/Sema/SemaDeclCXX.cpp:13111 @@ -13090,3 +13110,3 @@ llvm_unreachable("Invalid special member."); } } else { DmitryPolukhin wrote: > rnk wrote: > > Can we add `if (InClassDef) ActOnFinishInlineFunctionDef(MD);` here > > instead? If the decl doesn't have dllexport, we will just defer it until > > its referenced, which seems OK. > We can move this check here but condition has to be more complicated because > MSVC2015 doesn't export trivial defaulted c-tors even if they were explicitly > declared dllexport, see my check on line 4822. Maybe we should handle that case by silently dropping dllexport on trivial defaulted ctors and dtors. Basically I'm trying to keep our dllexport policy decisions local to the dll attribute checking code. We should either consistently call ActOnFinishInlineFunctionDef for special members that were defaulted in the class body, or not do it at all. http://reviews.llvm.org/D20422 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
DmitryPolukhin added inline comments. Comment at: lib/Sema/SemaDeclCXX.cpp:13111 @@ -13090,3 +13110,3 @@ llvm_unreachable("Invalid special member."); } } else { rnk wrote: > Can we add `if (InClassDef) ActOnFinishInlineFunctionDef(MD);` here instead? > If the decl doesn't have dllexport, we will just defer it until its > referenced, which seems OK. We can move this check here but condition has to be more complicated because MSVC2015 doesn't export trivial defaulted c-tors even if they were explicitly declared dllexport, see my check on line 4822. http://reviews.llvm.org/D20422 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
DmitryPolukhin updated this revision to Diff 57896. DmitryPolukhin marked 2 inline comments as done. DmitryPolukhin added a comment. Comments resolved, PTAL. http://reviews.llvm.org/D20422 Files: lib/Sema/SemaDeclCXX.cpp test/CodeGenCXX/dllexport-members.cpp test/CodeGenCXX/dllexport.cpp Index: test/CodeGenCXX/dllexport.cpp === --- test/CodeGenCXX/dllexport.cpp +++ test/CodeGenCXX/dllexport.cpp @@ -1,8 +1,8 @@ -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 -check-prefix=M32MSVC2015 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 -check-prefix=M32MSVC2013 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 -check-prefix=M64MSVC2015 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 -check-prefix=M64MSVC2013 %s // RUN: %clang_cc1 -triple i686-windows-gnu-emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s // RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s @@ -561,7 +561,7 @@ // Explicitly defaulted copy constructur: T(const T&) = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" void a() {} // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@T@@QAEXXZ" @@ -647,9 +647,34 @@ struct __declspec(dllexport) DefaultedCtorsDtors { DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" ~DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" +}; + +// Export defaulted member function definitions declared inside class. +struct __declspec(dllexport) ExportDefaultedInclassDefs { + ExportDefaultedInclassDefs() = default; + // M32VS2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M64VS2013-DAG: define weak_odr dllexport%struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M32VS2015-NOT: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M64VS2015-NOT: define weak_odr dllexport%struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + + ~ExportDefaultedInclassDefs() = default; + // M32VS201
Re: [PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
rnk added inline comments. Comment at: lib/Sema/SemaDeclCXX.cpp:4814 @@ -4813,3 +4813,3 @@ // we have a definition. auto *CXXC = dyn_cast(MD); if ((MD->isMoveAssignmentOperator() || nit, can you rename this Ctor? I definitely know that that is, but not necessarily CXXC. Comment at: lib/Sema/SemaDeclCXX.cpp:13111 @@ -13090,3 +13110,3 @@ llvm_unreachable("Invalid special member."); } } else { Can we add `if (InClassDef) ActOnFinishInlineFunctionDef(MD);` here instead? If the decl doesn't have dllexport, we will just defer it until its referenced, which seems OK. http://reviews.llvm.org/D20422 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[PATCH] D20422: [MSVC2015] dllexport for defaulted special class members
DmitryPolukhin created this revision. DmitryPolukhin added a reviewer: rnk. DmitryPolukhin added a subscriber: cfe-commits. Clang doesn't dllexport defaulted special member function defaulted inside class but does it if they defaulted outside class. MSVC doesn't make any distinction where they were defaulted. Also MSVC 2013 and 2015 export different set of members. MSVC2015 doesn't emit trivial defaulted x-tors but does emit copy assign operator. http://reviews.llvm.org/D20422 Files: lib/Sema/SemaDeclCXX.cpp test/CodeGenCXX/dllexport-members.cpp test/CodeGenCXX/dllexport.cpp Index: test/CodeGenCXX/dllexport.cpp === --- test/CodeGenCXX/dllexport.cpp +++ test/CodeGenCXX/dllexport.cpp @@ -1,8 +1,8 @@ -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 -check-prefix=M32MSVC2015 %s +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 -check-prefix=M32MSVC2013 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 %s -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 -check-prefix=M64MSVC2015 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 -check-prefix=M64MSVC2013 %s // RUN: %clang_cc1 -triple i686-windows-gnu-emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s // RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s @@ -561,7 +561,7 @@ // Explicitly defaulted copy constructur: T(const T&) = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" void a() {} // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@T@@QAEXXZ" @@ -647,9 +647,34 @@ struct __declspec(dllexport) DefaultedCtorsDtors { DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" ~DefaultedCtorsDtors() = default; - // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" + // M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" +}; + +// Export defaulted member function definitions declared inside class. +struct __declspec(dllexport) ExportDefaultedInclassDefs { + ExportDefaultedInclassDefs() = default; + // M32VS2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M64VS2013-DAG: define weak_odr dllexport%struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) + // M32VS2015-NOT: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.Ex