120   for (MCRegAliasIterator AI(Reg, &TRI, false); AI.isValid(); ++AI)  in getAliasSet()  local
121     AS.insert(*AI);  in getAliasSet()
190   MCRegUnitMaskIterator AI(A.Reg, &getTRI());  in equal_to()  local
192   while (AI.isValid() && BI.isValid()) {  in equal_to()
193     auto [AReg, AMask] = *AI;  in equal_to()
202       ++AI;  in equal_to()
208       ++AI;  in equal_to()
213   return static_cast<int>(AI.isValid()) == static_cast<int>(BI.isValid());  in equal_to()
228   llvm::MCRegUnitMaskIterator AI(A.Reg, &getTRI());  in less()  local
230   while (AI.isValid() && BI.isValid()) {  in less()
231     auto [AReg, AMask] = *AI;  in less()
240       ++AI;  in less()
246       ++AI;  in less()
251   return static_cast<int>(AI.isValid()) < static_cast<int>(BI.isValid());  in less()