446   GlobalValue *copyGlobalValueProto(const GlobalValue *SGV, bool ForDefinition);
492   bool shouldLink(GlobalValue *DGV, GlobalValue &SGV);
512   GlobalValue *copyIndirectSymbolProto(const GlobalValue *SGV);
574 Value *GlobalValueMaterializer::materialize(Value *SGV) {  in materialize()  argument
575   return TheIRLinker.materialize(SGV, false);  in materialize()
578 Value *LocalValueMaterializer::materialize(Value *SGV) {  in materialize()  argument
579   return TheIRLinker.materialize(SGV, true);  in materialize()
583   auto *SGV = dyn_cast<GlobalValue>(V);  in materialize()  local
584   if (!SGV)  in materialize()
591   if (SGV->getParent() != &DstM && SGV->getParent() != SrcM.get())  in materialize()
594   Expected<Constant *> NewProto = linkGlobalValueProto(SGV, ForIndirectSymbol);  in materialize()
631   if ((ForIndirectSymbol && ValueMap.lookup(SGV) == New) ||  in materialize()
632       (!ForIndirectSymbol && IndirectSymbolValueMap.lookup(SGV) == New))  in materialize()
635   if (ForIndirectSymbol || shouldLink(New, *SGV))  in materialize()
636     setError(linkGlobalValueBody(*New, *SGV));  in materialize()
691 GlobalValue *IRLinker::copyIndirectSymbolProto(const GlobalValue *SGV) {  in copyIndirectSymbolProto()  argument
694   auto *Ty = TypeMap.get(SGV->getValueType());  in copyIndirectSymbolProto()
696   if (auto *GA = dyn_cast<GlobalAlias>(SGV)) {  in copyIndirectSymbolProto()
697     auto *DGA = GlobalAlias::create(Ty, SGV->getAddressSpace(),  in copyIndirectSymbolProto()
699                                     SGV->getName(), &DstM);  in copyIndirectSymbolProto()
704   if (auto *GI = dyn_cast<GlobalIFunc>(SGV)) {  in copyIndirectSymbolProto()
705     auto *DGI = GlobalIFunc::create(Ty, SGV->getAddressSpace(),  in copyIndirectSymbolProto()
707                                     SGV->getName(), nullptr, &DstM);  in copyIndirectSymbolProto()
715 GlobalValue *IRLinker::copyGlobalValueProto(const GlobalValue *SGV,  in copyGlobalValueProto()  argument
718   if (auto *SGVar = dyn_cast<GlobalVariable>(SGV)) {  in copyGlobalValueProto()
720   } else if (auto *SF = dyn_cast<Function>(SGV)) {  in copyGlobalValueProto()
724       NewGV = copyIndirectSymbolProto(SGV);  in copyGlobalValueProto()
725     else if (SGV->getValueType()->isFunctionTy())  in copyGlobalValueProto()
727           Function::Create(cast<FunctionType>(TypeMap.get(SGV->getValueType())),  in copyGlobalValueProto()
728                            GlobalValue::ExternalLinkage, SGV->getAddressSpace(),  in copyGlobalValueProto()
729                            SGV->getName(), &DstM);  in copyGlobalValueProto()
732           new GlobalVariable(DstM, TypeMap.get(SGV->getValueType()),  in copyGlobalValueProto()
734                              /*init*/ nullptr, SGV->getName(),  in copyGlobalValueProto()
736                              SGV->getThreadLocalMode(), SGV->getAddressSpace());  in copyGlobalValueProto()
740     NewGV->setLinkage(SGV->getLinkage());  in copyGlobalValueProto()
741   else if (SGV->hasExternalWeakLinkage())  in copyGlobalValueProto()
746     if (isa<GlobalVariable>(SGV) || SGV->isDeclaration())  in copyGlobalValueProto()
747       NewGO->copyMetadata(cast<GlobalObject>(SGV), 0);  in copyGlobalValueProto()
775   for (GlobalValue &SGV : SrcM->globals()) {  in computeTypeMapping()
776     GlobalValue *DGV = getLinkedToGlobal(&SGV);  in computeTypeMapping()
780     if (!DGV->hasAppendingLinkage() || !SGV.hasAppendingLinkage()) {  in computeTypeMapping()
781       TypeMap.addTypeMapping(DGV->getType(), SGV.getType());  in computeTypeMapping()
787     ArrayType *SAT = cast<ArrayType>(SGV.getValueType());  in computeTypeMapping()
791   for (GlobalValue &SGV : *SrcM)  in computeTypeMapping()
792     if (GlobalValue *DGV = getLinkedToGlobal(&SGV)) {  in computeTypeMapping()
793       if (DGV->getType() == SGV.getType()) {  in computeTypeMapping()
802       TypeMap.addTypeMapping(DGV->getType(), SGV.getType());  in computeTypeMapping()
805   for (GlobalValue &SGV : SrcM->aliases())  in computeTypeMapping()
806     if (GlobalValue *DGV = getLinkedToGlobal(&SGV))  in computeTypeMapping()
807       TypeMap.addTypeMapping(DGV->getType(), SGV.getType());  in computeTypeMapping()
981 bool IRLinker::shouldLink(GlobalValue *DGV, GlobalValue &SGV) {  in shouldLink()  argument
982   if (ValuesToLink.count(&SGV) || SGV.hasLocalLinkage())  in shouldLink()
988   if (SGV.isDeclaration() || DoneLinkingBodies)  in shouldLink()
995     AddLazyFor(SGV, [this, &LazilyAdded](GlobalValue &GV) {  in shouldLink()
1002 Expected<Constant *> IRLinker::linkGlobalValueProto(GlobalValue *SGV,  in linkGlobalValueProto()  argument
1004   GlobalValue *DGV = getLinkedToGlobal(SGV);  in linkGlobalValueProto()
1006   bool ShouldLink = shouldLink(DGV, *SGV);  in linkGlobalValueProto()
1010     auto I = ValueMap.find(SGV);  in linkGlobalValueProto()
1014     I = IndirectSymbolValueMap.find(SGV);  in linkGlobalValueProto()
1023   if (SGV->hasAppendingLinkage() || (DGV && DGV->hasAppendingLinkage()))  in linkGlobalValueProto()
1025                                  cast<GlobalVariable>(SGV));  in linkGlobalValueProto()
1038     NewGV = copyGlobalValueProto(SGV, ShouldLink || ForIndirectSymbol);  in linkGlobalValueProto()
1054     forceRenaming(NewGV, SGV->getName());  in linkGlobalValueProto()
1057     if (const Comdat *SC = SGV->getComdat()) {  in linkGlobalValueProto()
1075   if (DGV && NewGV != SGV) {  in linkGlobalValueProto()
1077       NewGV, TypeMap.get(SGV->getType()));  in linkGlobalValueProto()