265   const_pred_iterator PI = pred_begin(this), E = pred_end(this);  in getSinglePredecessor()  local
266   if (PI == E) return nullptr;         // No preds.  in getSinglePredecessor()
267   const BasicBlock *ThePred = *PI;  in getSinglePredecessor()
268   ++PI;  in getSinglePredecessor()
269   return (PI == E) ? ThePred : nullptr /*multiple preds*/;  in getSinglePredecessor()
273   const_pred_iterator PI = pred_begin(this), E = pred_end(this);  in getUniquePredecessor()  local
274   if (PI == E) return nullptr; // No preds.  in getUniquePredecessor()
275   const BasicBlock *PredBB = *PI;  in getUniquePredecessor()
276   ++PI;  in getUniquePredecessor()
277   for (;PI != E; ++PI) {  in getUniquePredecessor()
278     if (*PI != PredBB)  in getUniquePredecessor()