286 UnsetInit *UnsetInit::get() {  in get()
287   static UnsetInit TheInit;  in get()
291 Init *UnsetInit::getCastTo(RecTy *Ty) const {  in getCastTo()
292   return const_cast<UnsetInit *>(this);  in getCastTo()
295 Init *UnsetInit::convertInitializerTo(RecTy *Ty) const {  in convertInitializerTo()
296   return const_cast<UnsetInit *>(this);  in convertInitializerTo()
436     if (isa<UnsetInit>(NewBit) && R.keepUnsetBits())  in resolveReferences()
970       if ((!LOp && !isa<UnsetInit>(LHSs->getOperator())) ||  in Fold()
971           (!ROp && !isa<UnsetInit>(RHSs->getOperator())))  in Fold()
980         Op = UnsetInit::get();  in Fold()
1360     bool MHSok = MHSl || isa<UnsetInit>(MHS);  in Fold()
1361     bool RHSok = RHSl || isa<UnsetInit>(RHS);  in Fold()
1363     if (isa<UnsetInit>(MHS) && isa<UnsetInit>(RHS))  in Fold()
1370         Init *Node = MHSl ? MHSl->getElement(i) : UnsetInit::get();  in Fold()
1371         Init *Name = RHSl ? RHSl->getElement(i) : UnsetInit::get();  in Fold()
1372         if (!isa<StringInit>(Name) && !isa<UnsetInit>(Name))  in Fold()
2211   setValue(UnsetInit::get());  in RecordVal()
2219   setValue(UnsetInit::get());  in RecordVal()
2485   if (isa<UnsetInit>(R->getValue()))  in getValueAsOptionalString()
2600   if (isa<UnsetInit>(R->getValue()))  in getValueAsOptionalDef()
2625   if (isa<UnsetInit>(R->getValue())) {  in getValueAsBitOrUnset()
2787     if (!isa<UnsetInit>(RV->getValue())) {  in resolve()