Author: pcc
Date: Mon Mar 20 21:02:41 2017
New Revision: 298330

URL: http://llvm.org/viewvc/llvm-project?rev=298330&view=rev
Log:
IRGen: Do not set dllexport on declarations.

Setting dllexport on a declaration has no effect, as we do not emit export
directives for declarations.

Part of the fix for PR32334.

Differential Revision: https://reviews.llvm.org/D31162

Modified:
    cfe/trunk/lib/CodeGen/CodeGenModule.cpp
    cfe/trunk/test/CodeGenCXX/dllexport.cpp

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=298330&r1=298329&r2=298330&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Mon Mar 20 21:02:41 2017
@@ -1036,7 +1036,6 @@ static void setLinkageAndVisibilityForGV
       GV->setDLLStorageClass(llvm::GlobalValue::DLLImportStorageClass);
     } else if (ND->hasAttr<DLLExportAttr>()) {
       GV->setLinkage(llvm::GlobalValue::ExternalLinkage);
-      GV->setDLLStorageClass(llvm::GlobalValue::DLLExportStorageClass);
     } else if (ND->hasAttr<WeakAttr>() || ND->isWeakImported()) {
       // "extern_weak" is overloaded in LLVM; we probably should have
       // separate linkage types for this.

Modified: cfe/trunk/test/CodeGenCXX/dllexport.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/dllexport.cpp?rev=298330&r1=298329&r2=298330&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/dllexport.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/dllexport.cpp Mon Mar 20 21:02:41 2017
@@ -108,8 +108,8 @@ inline int __declspec(dllexport) inlineS
 template<typename T> __declspec(dllexport) int VarTmplDef;
 INSTVAR(VarTmplDef<ExplicitInst_Exported>)
 
-// MSC-DAG: @"\01??$VarTmplImplicitDef@UImplicitInst_Exported@@@@3HA" = 
external dllexport global
-// GNU-DAG: @_Z18VarTmplImplicitDefI21ImplicitInst_ExportedE          = 
external dllexport global
+// MSC-DAG: @"\01??$VarTmplImplicitDef@UImplicitInst_Exported@@@@3HA" = 
external global
+// GNU-DAG: @_Z18VarTmplImplicitDefI21ImplicitInst_ExportedE          = 
external global
 template<typename T> __declspec(dllexport) int VarTmplImplicitDef;
 USEVAR(VarTmplImplicitDef<ImplicitInst_Exported>)
 
@@ -528,7 +528,7 @@ struct __declspec(dllexport) T {
   // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@T@@QAEXXZ"
 
   static int b;
-  // M32-DAG: @"\01?b@T@@2HA" = external dllexport global i32
+  // M32-DAG: @"\01?b@T@@2HA" = external global i32
 
   static int c;
   // M32-DAG: @"\01?c@T@@2HA" = dllexport global i32 0, align 4


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