41   auto &Ranges = VarInstrRanges[Var];  in startInstrRange()  local
42   if (!Ranges.empty() && Ranges.back().second == nullptr &&  in startInstrRange()
43       Ranges.back().first->isIdenticalTo(&MI)) {  in startInstrRange()
45                  << "\t" << Ranges.back().first << "\t" << MI << "\n");  in startInstrRange()
48   Ranges.push_back(std::make_pair(&MI, nullptr));  in startInstrRange()
53   auto &Ranges = VarInstrRanges[Var];  in endInstrRange()  local
55   assert(!Ranges.empty() && Ranges.back().second == nullptr);  in endInstrRange()
58   assert(Ranges.back().first->getParent() == MI.getParent());  in endInstrRange()
59   Ranges.back().second = &MI;  in endInstrRange()
66   const auto &Ranges = I->second;  in getRegisterForVar()  local
67   if (Ranges.empty() || Ranges.back().second != nullptr)  in getRegisterForVar()
69   return isDescribedByReg(*Ranges.back().first);  in getRegisterForVar()