692                                     SparseSet<LiveRegUnit> &RegUnits,  in updatePhysDepsDownwards()  argument
717       SparseSet<LiveRegUnit>::iterator I = RegUnits.find(*Units);  in updatePhysDepsDownwards()
718       if (I == RegUnits.end())  in updatePhysDepsDownwards()
729       RegUnits.erase(*Units);  in updatePhysDepsDownwards()
735       LiveRegUnit &LRU = RegUnits[*Units];  in updatePhysDepsDownwards()
793   SparseSet<LiveRegUnit> RegUnits;  in computeInstrDepths()  local
794   RegUnits.setUniverse(MTM.TRI->getNumRegUnits());  in computeInstrDepths()
828         updatePhysDepsDownwards(&UseMI, Deps, RegUnits, MTM.TRI);  in computeInstrDepths()
865                                       SparseSet<LiveRegUnit> &RegUnits,  in updatePhysDepsUpwards()  argument
886       SparseSet<LiveRegUnit>::iterator I = RegUnits.find(*Units);  in updatePhysDepsUpwards()
887       if (I == RegUnits.end())  in updatePhysDepsUpwards()
898       RegUnits.erase(I);  in updatePhysDepsUpwards()
906       LiveRegUnit &LRU = RegUnits[*Units];  in updatePhysDepsUpwards()
993   SparseSet<LiveRegUnit> RegUnits;  in computeInstrHeights()  local
994   RegUnits.setUniverse(MTM.TRI->getNumRegUnits());  in computeInstrHeights()
1010         RegUnits[LI.Reg].Cycle = LI.Height;  in computeInstrHeights()
1085         Cycle = updatePhysDepsUpwards(MI, Cycle, RegUnits,  in computeInstrHeights()
1115          RI = RegUnits.begin(), RE = RegUnits.end(); RI != RE; ++RI) {  in computeInstrHeights()