276   PrevBB = StartBB;  in splitCandidate()
344   std::string OriginalName = PrevBB->getName().str();  in splitCandidate()
346   StartBB = PrevBB->splitBasicBlock(StartInst, OriginalName + "_to_outline");  in splitCandidate()
347   PrevBB->replaceSuccessorsPhiUsesWith(PrevBB, StartBB);  in splitCandidate()
351     PrevBB->replaceSuccessorsPhiUsesWith(PHIPredBlock, PrevBB);  in splitCandidate()
358     FollowBB->replaceSuccessorsPhiUsesWith(PrevBB, FollowBB);  in splitCandidate()
370   replaceTargetsFromPHINode(StartBB, PrevBB, StartBB, BBSet);  in splitCandidate()
394   assert(PrevBB->getTerminator() && "Terminator removed from PrevBB!");  in reattachCandidate()
408   if (isa<PHINode>(StartInst) && !PrevBB->hasNPredecessors(0)) {  in reattachCandidate()
409     assert(!PrevBB->hasNPredecessorsOrMore(2) &&  in reattachCandidate()
411     BasicBlock *BeforePrevBB = PrevBB->getSinglePredecessor();  in reattachCandidate()
412     PrevBB->replaceSuccessorsPhiUsesWith(PrevBB, BeforePrevBB);  in reattachCandidate()
414   PrevBB->getTerminator()->eraseFromParent();  in reattachCandidate()
423     replaceTargetsFromPHINode(StartBB, StartBB, PrevBB, BBSet);  in reattachCandidate()
428   moveBBContents(*StartBB, *PrevBB);  in reattachCandidate()
430   BasicBlock *PlacementBB = PrevBB;  in reattachCandidate()
442   PrevBB->replaceSuccessorsPhiUsesWith(StartBB, PrevBB);  in reattachCandidate()
446   StartBB = PrevBB;  in reattachCandidate()
448   PrevBB = nullptr;  in reattachCandidate()
2735   Region.PrevBB = RewrittenBB->getSinglePredecessor();  in extractSection()
2736   assert(Region.PrevBB && "PrevBB is nullptr?");  in extractSection()
2737   if (Region.PrevBB == InitialStart) {  in extractSection()
2742     Region.PrevBB = NewPrev;  in extractSection()