88   BasicBlock *OnlyPred = BB->getSinglePredecessor();  in foldBlockIntoPredecessor()  local
89   if (!OnlyPred) return nullptr;  in foldBlockIntoPredecessor()
91   if (OnlyPred->getTerminator()->getNumSuccessors() != 1)  in foldBlockIntoPredecessor()
94   DEBUG(dbgs() << "Merging: " << *BB << "into: " << *OnlyPred);  in foldBlockIntoPredecessor()
104   OnlyPred->getInstList().pop_back();  in foldBlockIntoPredecessor()
108   BB->replaceAllUsesWith(OnlyPred);  in foldBlockIntoPredecessor()
111   OnlyPred->getInstList().splice(OnlyPred->end(), BB->getInstList());  in foldBlockIntoPredecessor()
119       DomTreeNode *PredDTN = DT->getNode(OnlyPred);  in foldBlockIntoPredecessor()
137   if (!OldName.empty() && !OnlyPred->hasName())  in foldBlockIntoPredecessor()
138     OnlyPred->setName(OldName);  in foldBlockIntoPredecessor()
142   return OnlyPred;  in foldBlockIntoPredecessor()