Lines Matching refs:PI
2716 for (SUnit::const_pred_iterator PI = SuccSU->Preds.begin(),
2717 PE = SuccSU->Preds.end(); PI != PE; ++PI) {
2718 if (!PI->isAssignedRegDep())
2721 if (RegMask && MachineOperand::clobbersPhysReg(RegMask, PI->getReg()) &&
2722 scheduleDAG->IsReachable(DepSU, PI->getSUnit()))
2730 if (TRI->regsOverlap(*ImpDef, PI->getReg()) &&
2731 scheduleDAG->IsReachable(DepSU, PI->getSUnit()))
