760   BasicBlock *PredBB = DestBB->getSinglePredecessor();  in MergeBasicBlockIntoOnlyPred()  local
761   assert(PredBB && "Block doesn't have a single predecessor!");  in MergeBasicBlockIntoOnlyPred()
763   bool ReplaceEntryBB = PredBB->isEntryBlock();  in MergeBasicBlockIntoOnlyPred()
772     Updates.reserve(Updates.size() + 2 * pred_size(PredBB) + 1);  in MergeBasicBlockIntoOnlyPred()
773     for (BasicBlock *PredOfPredBB : predecessors(PredBB))  in MergeBasicBlockIntoOnlyPred()
775       if (PredOfPredBB != PredBB)  in MergeBasicBlockIntoOnlyPred()
779     for (BasicBlock *PredOfPredBB : predecessors(PredBB))  in MergeBasicBlockIntoOnlyPred()
781         Updates.push_back({DominatorTree::Delete, PredOfPredBB, PredBB});  in MergeBasicBlockIntoOnlyPred()
782     Updates.push_back({DominatorTree::Delete, PredBB, DestBB});  in MergeBasicBlockIntoOnlyPred()
797   PredBB->replaceAllUsesWith(DestBB);  in MergeBasicBlockIntoOnlyPred()
800   PredBB->getTerminator()->eraseFromParent();  in MergeBasicBlockIntoOnlyPred()
801   DestBB->getInstList().splice(DestBB->begin(), PredBB->getInstList());  in MergeBasicBlockIntoOnlyPred()
802   new UnreachableInst(PredBB->getContext(), PredBB);  in MergeBasicBlockIntoOnlyPred()
807     DestBB->moveAfter(PredBB);  in MergeBasicBlockIntoOnlyPred()
810     assert(PredBB->getInstList().size() == 1 &&  in MergeBasicBlockIntoOnlyPred()
811            isa<UnreachableInst>(PredBB->getTerminator()) &&  in MergeBasicBlockIntoOnlyPred()
815     DTU->deleteBB(PredBB);  in MergeBasicBlockIntoOnlyPred()
827     PredBB->eraseFromParent(); // Nuke BB if DTU is nullptr.  in MergeBasicBlockIntoOnlyPred()
1027       BasicBlock *PredBB = OldValPN->getIncomingBlock(i);  in redirectValuesFromPredecessorsToPhi()  local
1029       Value *Selected = selectIncomingValueForBlock(PredVal, PredBB,  in redirectValuesFromPredecessorsToPhi()
1034       PN->addIncoming(Selected, PredBB);  in redirectValuesFromPredecessorsToPhi()
1040       BasicBlock *PredBB = BBPreds[i];  in redirectValuesFromPredecessorsToPhi()  local
1041       Value *Selected = selectIncomingValueForBlock(OldVal, PredBB,  in redirectValuesFromPredecessorsToPhi()
1046       PN->addIncoming(Selected, PredBB);  in redirectValuesFromPredecessorsToPhi()
1095   for (BasicBlock *PredBB : predecessors(BB)) {  in TryToSimplifyUncondBranchFromEmptyBlock()
1096     if (auto *CBI = dyn_cast<CallBrInst>(PredBB->getTerminator())) {  in TryToSimplifyUncondBranchFromEmptyBlock()