59                                InstrSet &PHIsInCycle);
60     bool IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle);
98                                          InstrSet &PHIsInCycle) {  in IsSingleValuePHICycle()  argument
103   if (!PHIsInCycle.insert(MI).second)  in IsSingleValuePHICycle()
107   if (PHIsInCycle.size() == 16)  in IsSingleValuePHICycle()
128       if (!IsSingleValuePHICycle(SrcMI, SingleValReg, PHIsInCycle))  in IsSingleValuePHICycle()
142 bool OptimizePHIs::IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle) {  in IsDeadPHICycle()  argument
149   if (!PHIsInCycle.insert(MI).second)  in IsDeadPHICycle()
153   if (PHIsInCycle.size() == 16)  in IsDeadPHICycle()
157     if (!UseMI.isPHI() || !IsDeadPHICycle(&UseMI, PHIsInCycle))  in IsDeadPHICycle()
176     InstrSet PHIsInCycle;  in OptimizeBB()  local
177     if (IsSingleValuePHICycle(MI, SingleValReg, PHIsInCycle) &&  in OptimizeBB()
195     PHIsInCycle.clear();  in OptimizeBB()
196     if (IsDeadPHICycle(MI, PHIsInCycle)) {  in OptimizeBB()
197       for (MachineInstr *PhiMI : PHIsInCycle) {  in OptimizeBB()