144   BasicBlock *PredBB = BB->getUniquePredecessor();  in MergeBlockIntoPredecessor()  local
145   if (!PredBB) return false;  in MergeBlockIntoPredecessor()
148   if (PredBB == BB) return false;  in MergeBlockIntoPredecessor()
150   if (PredBB->getTerminator()->isExceptionalTerminator())  in MergeBlockIntoPredecessor()
154   if (PredBB->getUniqueSuccessor() != BB)  in MergeBlockIntoPredecessor()
178     Updates.push_back({DominatorTree::Delete, PredBB, BB});  in MergeBlockIntoPredecessor()
181       Updates.push_back({DominatorTree::Insert, PredBB, *I});  in MergeBlockIntoPredecessor()
186     MSSAU->moveAllAfterMergeBlocks(BB, PredBB, &*(BB->begin()));  in MergeBlockIntoPredecessor()
189   PredBB->getInstList().pop_back();  in MergeBlockIntoPredecessor()
193   BB->replaceAllUsesWith(PredBB);  in MergeBlockIntoPredecessor()
196   PredBB->getInstList().splice(PredBB->end(), BB->getInstList());  in MergeBlockIntoPredecessor()
215   if (!PredBB->hasName())  in MergeBlockIntoPredecessor()
216     PredBB->takeName(BB);  in MergeBlockIntoPredecessor()