262   const_pred_iterator PI = pred_begin(this), E = pred_end(this);  in getSinglePredecessor()  local
263   if (PI == E) return nullptr;         // No preds.  in getSinglePredecessor()
264   const BasicBlock *ThePred = *PI;  in getSinglePredecessor()
265   ++PI;  in getSinglePredecessor()
266   return (PI == E) ? ThePred : nullptr /*multiple preds*/;  in getSinglePredecessor()
270   const_pred_iterator PI = pred_begin(this), E = pred_end(this);  in getUniquePredecessor()  local
271   if (PI == E) return nullptr; // No preds.  in getUniquePredecessor()
272   const BasicBlock *PredBB = *PI;  in getUniquePredecessor()
273   ++PI;  in getUniquePredecessor()
274   for (;PI != E; ++PI) {  in getUniquePredecessor()
275     if (*PI != PredBB)  in getUniquePredecessor()