754         if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) {  in ImpCastExprToType()  local
755           if (VD->getStorageClass() == SC_Register) {  in ImpCastExprToType()
822   if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {  in ShouldRemoveFromUnused()  local
828     if (VD->isReferenced() &&  in ShouldRemoveFromUnused()
829         VD->mightBeUsableInConstantExpressions(SemaRef->Context))  in ShouldRemoveFromUnused()
832     if (VarTemplateDecl *Template = VD->getDescribedVarTemplate())  in ShouldRemoveFromUnused()
841     const VarDecl *DeclToCheck = VD->getDefinition();  in ShouldRemoveFromUnused()
847     DeclToCheck = VD->getMostRecentDecl();  in ShouldRemoveFromUnused()
848     if (DeclToCheck != VD)  in ShouldRemoveFromUnused()
863 bool Sema::isExternalWithNoLinkageType(const ValueDecl *VD) const {  in isExternalWithNoLinkageType()
867   return getLangOpts().CPlusPlus && VD->hasExternalFormalLinkage() &&  in isExternalWithNoLinkageType()
868          !isExternalFormalLinkage(VD->getType()->getLinkage()) &&  in isExternalWithNoLinkageType()
869          !isFunctionOrVarDeclExternC(VD);  in isExternalWithNoLinkageType()
906       const auto *VD = cast<VarDecl>(ND);  in getUndefinedButUsed()  local
907       if (VD->hasDefinition() != VarDecl::DeclarationOnly)  in getUndefinedButUsed()
909       if (VD->isExternallyVisible() &&  in getUndefinedButUsed()
910           !isExternalWithNoLinkageType(VD) &&  in getUndefinedButUsed()
911           !VD->getMostRecentDecl()->isInline() &&  in getUndefinedButUsed()
912           !VD->hasAttr<ExcludeFromExplicitInstantiationAttr>())  in getUndefinedButUsed()
917       if (VD->isKnownToBeDefined())  in getUndefinedButUsed()
937     ValueDecl *VD = cast<ValueDecl>(Undef.first);  in checkUndefinedButUsed()  local
940     if (S.isExternalWithNoLinkageType(VD)) {  in checkUndefinedButUsed()
950       S.Diag(VD->getLocation(), isExternallyVisible(VD->getType()->getLinkage())  in checkUndefinedButUsed()
953         << isa<VarDecl>(VD) << VD;  in checkUndefinedButUsed()
954     } else if (!VD->isExternallyVisible()) {  in checkUndefinedButUsed()
959       if (const auto *BaseD = dyn_cast<FunctionDecl>(VD)) {  in checkUndefinedButUsed()
971         S.Diag(VD->getLocation(), diag::warn_undefined_internal)  in checkUndefinedButUsed()
972             << isa<VarDecl>(VD) << VD;  in checkUndefinedButUsed()
973     } else if (auto *FD = dyn_cast<FunctionDecl>(VD)) {  in checkUndefinedButUsed()
978       S.Diag(VD->getLocation(), diag::warn_undefined_inline) << VD;  in checkUndefinedButUsed()
980       assert(cast<VarDecl>(VD)->getMostRecentDecl()->isInline() &&  in checkUndefinedButUsed()
982       S.Diag(VD->getLocation(), diag::err_undefined_inline_var) << VD;  in checkUndefinedButUsed()
1363     VarDecl *VD = (*T)->getActingDefinition();  in ActOnEndOfTranslationUnit()  local
1368     if (!VD || VD->isInvalidDecl() || !Seen.insert(VD).second)  in ActOnEndOfTranslationUnit()
1372         = Context.getAsIncompleteArrayType(VD->getType())) {  in ActOnEndOfTranslationUnit()
1374       Diag(VD->getLocation(), diag::warn_tentative_incomplete_array);  in ActOnEndOfTranslationUnit()
1378       VD->setType(T);  in ActOnEndOfTranslationUnit()
1379     } else if (RequireCompleteType(VD->getLocation(), VD->getType(),  in ActOnEndOfTranslationUnit()
1381       VD->setInvalidDecl();  in ActOnEndOfTranslationUnit()
1384     CheckCompleteVariableDeclaration(VD);  in ActOnEndOfTranslationUnit()
1387     if (!VD->isInvalidDecl())  in ActOnEndOfTranslationUnit()
1388       Consumer.CompleteTentativeDefinition(VD);  in ActOnEndOfTranslationUnit()
1775   void checkVar(VarDecl *VD) {  in checkVar()  argument
1776     assert(VD->isFileVarDecl() &&  in checkVar()
1778     if (auto *Init = VD->getInit()) {  in checkVar()
1779       auto DevTy = OMPDeclareTargetDeclAttr::getDeviceType(VD);  in checkVar()
2203 static void checkEscapingByref(VarDecl *VD, Sema &S) {  in checkEscapingByref()  argument
2204   QualType T = VD->getType();  in checkEscapingByref()
2207   SourceLocation Loc = VD->getLocation();  in checkEscapingByref()
2209       new (S.Context) DeclRefExpr(S.Context, VD, false, T, VK_LValue, Loc);  in checkEscapingByref()
2218         IE, Sema::NamedReturnInfo{VD, Sema::NamedReturnInfo::MoveEligible},  in checkEscapingByref()
2225     S.Context.setBlockVarCopyInit(VD, Init, S.canThrow(Init));  in checkEscapingByref()
2242       VarDecl *VD = BC.getVariable();  in markEscapingByrefs()  local
2243       if (VD->hasAttr<BlocksAttr>()) {  in markEscapingByrefs()
2248         VD->setEscapingByref();  in markEscapingByrefs()
2262   for (VarDecl *VD : FSI.ByrefBlockVars) {  in markEscapingByrefs()
2264     if (!VD->isEscapingByref())  in markEscapingByrefs()
2270     if (VD->getType()->isStructureOrClassType())  in markEscapingByrefs()
2271       checkEscapingByref(VD, S);  in markEscapingByrefs()