54                                InstrSet &PHIsInCycle);
55     bool IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle);
90                                          InstrSet &PHIsInCycle) {  in IsSingleValuePHICycle()  argument
95   if (!PHIsInCycle.insert(MI).second)  in IsSingleValuePHICycle()
99   if (PHIsInCycle.size() == 16)  in IsSingleValuePHICycle()
119       if (!IsSingleValuePHICycle(SrcMI, SingleValReg, PHIsInCycle))  in IsSingleValuePHICycle()
133 bool OptimizePHIs::IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle) {  in IsDeadPHICycle()  argument
140   if (!PHIsInCycle.insert(MI).second)  in IsDeadPHICycle()
144   if (PHIsInCycle.size() == 16)  in IsDeadPHICycle()
148     if (!UseMI.isPHI() || !IsDeadPHICycle(&UseMI, PHIsInCycle))  in IsDeadPHICycle()
167     InstrSet PHIsInCycle;  in OptimizeBB()  local
168     if (IsSingleValuePHICycle(MI, SingleValReg, PHIsInCycle) &&  in OptimizeBB()
182     PHIsInCycle.clear();  in OptimizeBB()
183     if (IsDeadPHICycle(MI, PHIsInCycle)) {  in OptimizeBB()
184       for (InstrSetIterator PI = PHIsInCycle.begin(), PE = PHIsInCycle.end();  in OptimizeBB()