87     MaskInfos[M].Units = PU.flip();  in PhysicalRegisterInfo()
107   assert(!RegisterRef::isUnitId(Reg) && "No units allowed");  in getAliasSet()
127   std::set<RegisterId> Units;  in getUnits()  local
130     return Units; // Empty  in getUnits()
134       return Units; // Empty  in getUnits()
138         Units.insert(U);  in getUnits()
140     return Units;  in getUnits()
158         Units.insert(U);  in getUnits()
162   return Units;  in getUnits()
189   // Compare reg units lexicographically.  in equal_to()
197     // compare the units.  in equal_to()
201       // Units are equal, move on to the next ones.  in equal_to()
227   // Compare reg units lexicographically.  in less()
235     // compare the units.  in less()
239       // Units are equal, move on to the next ones.  in less()
274   for (unsigned U : A.units())  in print()
281     return Units.anyCommon(PRI.getMaskUnits(RR.Reg));  in hasAliasOf()
286       if (Units.test(P.first))  in hasAliasOf()
295     return T.reset(Units).none();  in hasCoverOf()
301       if (!Units.test(P.first))  in hasCoverOf()
309     Units |= PRI.getMaskUnits(RR.Reg);  in insert()
316       Units.set(P.first);  in insert()
322   Units |= RG.Units;  in insert()
331   Units &= RG.Units;  in intersect()
340   Units.reset(RG.Units);  in clear()
359   int U = Units.find_first();  in makeRegRef()
363   // Find the set of all registers that are aliased to all the units  in makeRegRef()
368   U = Units.find_next(U);  in makeRegRef()
374     U = Units.find_next(U);  in makeRegRef()
378   // and consolidate the masks of all of its units contained in this  in makeRegRef()
388     if (Units.test(P.first))  in makeRegRef()
396   for (int U = RG.Units.find_first(); U >= 0; U = RG.Units.find_next(U)) {  in ref_iterator()