lib/Linker/LinkModules.cpp

101     GlobalValue *DGV = DstM.getNamedValue(SrcGV->getName());
102     if (!DGV)
107     if (DGV->hasLocalLinkage())
111     return DGV;
635   GlobalValue *DGV = getLinkedToGlobal(&GV);
637   if (shouldLinkOnlyNeeded() && !(DGV && DGV->isDeclaration()))
640   if (DGV && !GV.hasLocalLinkage() && !GV.hasAppendingLinkage()) {
641     auto *DGVar = dyn_cast<GlobalVariable>(DGV);
657         getMinVisibility(DGV->getVisibility(), GV.getVisibility());
658     DGV->setVisibility(Visibility);
661     bool HasUnnamedAddr = GV.hasUnnamedAddr() && DGV->hasUnnamedAddr();
662     DGV->setUnnamedAddr(HasUnnamedAddr);
676   if (!DGV && !shouldOverrideFromSrc() &&
694   if (DGV && shouldLinkFromSource(LinkFromSrc, *DGV, GV))