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()
130       if (!IsSingleValuePHICycle(SrcMI, SingleValReg, PHIsInCycle))  in IsSingleValuePHICycle()
144 bool OptimizePHIs::IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle) {  in IsDeadPHICycle()  argument
151   if (!PHIsInCycle.insert(MI).second)  in IsDeadPHICycle()
155   if (PHIsInCycle.size() == 16)  in IsDeadPHICycle()
159     if (!UseMI.isPHI() || !IsDeadPHICycle(&UseMI, PHIsInCycle))  in IsDeadPHICycle()
178     InstrSet PHIsInCycle;  in OptimizeBB()  local
179     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()