779   UserValue *&UV = userVarMap[ID];  in getUserValue()  local
780   if (!UV) {  in getUserValue()
783     UV = userValues.back().get();  in getUserValue()
785   return UV;  in getUserValue()
795   if (UserValue *UV = virtRegToEqClass.lookup(VirtReg))  in lookupVirtReg()  local
796     return UV->getLeader();  in lookupVirtReg()
858   UserValue *UV = getUserValue(Var, Expr->getFragmentInfo(), MI.getDebugLoc());  in handleDebugValue()  local
860     UV->addDef(Idx,  in handleDebugValue()
871     UV->addDef(Idx, UndefMOs, false, IsList, *Expr);  in handleDebugValue()
1257   for (const auto &UV : userValues) {  in computeIntervals()  local
1258     UV->computeIntervals(MF->getRegInfo(), *TRI, *LIS, LS);  in computeIntervals()
1259     UV->mapVirtRegs(this);  in computeIntervals()
1493   for (UserValue *UV = lookupVirtReg(OldReg); UV; UV = UV->getNext())  in splitRegister()  local
1494     DidChange |= UV->splitRegister(OldReg, NewRegs, *LIS);  in splitRegister()
1500   UserValue *UV = lookupVirtReg(OldReg);  in splitRegister()  local
1502     mapVirtReg(NewReg, UV);  in splitRegister()