lib/CodeGen/CGVTables.cpp

929   llvm::GlobalVariable *VTable =
933   VTable->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);
942                           VTable->hasLocalLinkage());
943   components.finishAndSetAsInitializer(VTable);
947   assert(!VTable->isDeclaration() && "Shouldn't set properties on declaration");
948   CGM.setGVProperties(VTable, RD);
950   CGM.EmitVTableTypeMetadata(RD, VTable, *VTLayout.get());
953     RemoveHwasanMetadata(VTable);
954     if (!VTable->isDSOLocal())
955       GenerateRelativeVTableAlias(VTable, OutName);
958   return VTable;
979 // If the VTable is not dso_local, then we will not be able to indicate that
980 // the VTable does not need a relocation and move into rodata. A frequent
985 void CodeGenVTables::GenerateRelativeVTableAlias(llvm::GlobalVariable *VTable,
989   assert(!VTable->isDSOLocal() && "This should be called only if the vtable is "
995   if (VTable->hasAvailableExternallyLinkage())
1002   VTable->setName(AliasName + ".local");
1004   auto Linkage = VTable->getLinkage();
1010     VTableAlias = llvm::GlobalAlias::create(VTable->getValueType(),
1011                                             VTable->getAddressSpace(), Linkage,
1014     assert(VTableAlias->getValueType() == VTable->getValueType());
1017   VTableAlias->setVisibility(VTable->getVisibility());
1018   VTableAlias->setUnnamedAddr(VTable->getUnnamedAddr());
1021   if (!VTable->hasComdat()) {
1026     VTable->setLinkage(llvm::GlobalValue::PrivateLinkage);
1029     VTable->setVisibility(llvm::GlobalValue::HiddenVisibility);
1032   VTableAlias->setAliasee(VTable);
1164   assert(RD->isDynamicClass() && "Non-dynamic classes have no VTable.");
1306                                            llvm::GlobalVariable *VTable,
1343     AddVTableTypeMetadata(VTable, ComponentWidth * AP.Offset, AP.Base);
1356       VTable->addTypeMetadata((ComponentWidth * I).getQuantity(), MD);
1366       VTable->setVCallVisibilityMetadata(TypeVis);