Set dso_local on vtables.

llvm-svn: 328238

diff --git a/clang/lib/CodeGen/ItaniumCXXABI.cpp b/clang/lib/CodeGen/ItaniumCXXABI.cpp
index debdf99b42486c872516b517f2cfabb265e54ad0..53b74237c1902b9173e2e66ed8d16801ad520f37 100644 (file)
--- a/clang/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/clang/lib/CodeGen/ItaniumCXXABI.cpp
@@ -2848,6 +2848,7 @@ void ItaniumRTTIBuilder::BuildVTablePointer(const Type *Ty) {
 
   const char *VTableName = nullptr;
 
+  const CXXRecordDecl *RD = nullptr;
   switch (Ty->getTypeClass()) {
 #define TYPE(Class, Base)
 #define ABSTRACT_TYPE(Class, Base)
@@ -2899,8 +2900,7 @@ void ItaniumRTTIBuilder::BuildVTablePointer(const Type *Ty) {
     break;
 
   case Type::Record: {
-    const CXXRecordDecl *RD =
-      cast<CXXRecordDecl>(cast<RecordType>(Ty)->getDecl());
+    RD = cast<CXXRecordDecl>(cast<RecordType>(Ty)->getDecl());
 
     if (!RD->hasDefinition() || !RD->getNumBases()) {
       VTableName = ClassTypeInfo;
@@ -2948,6 +2948,7 @@ void ItaniumRTTIBuilder::BuildVTablePointer(const Type *Ty) {
 
   llvm::Constant *VTable =
     CGM.getModule().getOrInsertGlobal(VTableName, CGM.Int8PtrTy);
+  CGM.setGVProperties(cast<llvm::GlobalValue>(VTable->stripPointerCasts()), RD);
 
   llvm::Type *PtrDiffTy =
     CGM.getTypes().ConvertType(CGM.getContext().getPointerDiffType());

diff --git a/clang/test/CodeGenCXX/dllexport.cpp b/clang/test/CodeGenCXX/dllexport.cpp
index 8820ca8909cbf4ed6c3b7b6b417ce212fdc9849b..12d0648660442f88ba91350227309b4f5e5534ee 100644 (file)
--- a/clang/test/CodeGenCXX/dllexport.cpp
+++ b/clang/test/CodeGenCXX/dllexport.cpp
@@ -41,6 +41,8 @@ struct External { int v; };
 // GNU-NOT: @ExternGlobalDecl
 __declspec(dllexport) extern int ExternGlobalDecl;
 
+// GNU-DAG: @_ZTVN10__cxxabiv117__class_type_infoE = external dso_local global
+
 // dllexport implies a definition.
 // MSC-DAG: @"?GlobalDef@@3HA" = dso_local dllexport global i32 0, align 4
 // GNU-DAG: @GlobalDef            = dso_local dllexport global i32 0, align 4