60                                InstrSet &PHIsInCycle);
61     bool IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle);
99                                          InstrSet &PHIsInCycle) {  in IsSingleValuePHICycle()  argument
104   if (!PHIsInCycle.insert(MI).second)  in IsSingleValuePHICycle()
108   if (PHIsInCycle.size() == 16)  in IsSingleValuePHICycle()
129       if (!IsSingleValuePHICycle(SrcMI, SingleValReg, PHIsInCycle))  in IsSingleValuePHICycle()
143 bool OptimizePHIs::IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle) {  in IsDeadPHICycle()  argument
150   if (!PHIsInCycle.insert(MI).second)  in IsDeadPHICycle()
154   if (PHIsInCycle.size() == 16)  in IsDeadPHICycle()
158     if (!UseMI.isPHI() || !IsDeadPHICycle(&UseMI, PHIsInCycle))  in IsDeadPHICycle()
177     InstrSet PHIsInCycle;  in OptimizeBB()  local
178     if (IsSingleValuePHICycle(MI, SingleValReg, PHIsInCycle) &&  in OptimizeBB()
196     PHIsInCycle.clear();  in OptimizeBB()
197     if (IsDeadPHICycle(MI, PHIsInCycle)) {  in OptimizeBB()
198       for (InstrSetIterator PI = PHIsInCycle.begin(), PE = PHIsInCycle.end();  in OptimizeBB()