359     BasicBlock *NewHeader = BI->getSuccessor(1);  in rotateLoop()  local
361       std::swap(Exit, NewHeader);  in rotateLoop()
362     assert(NewHeader && "Unable to determine new loop header");  in rotateLoop()
363     assert(L->contains(NewHeader) && !L->contains(Exit) &&  in rotateLoop()
368     assert(NewHeader->getSinglePredecessor() &&  in rotateLoop()
370     FoldSingleEntryPHINodes(NewHeader);  in rotateLoop()
497       Instruction *NewHeaderInsertionPoint = &(*NewHeader->getFirstNonPHI());  in rotateLoop()
508         auto &Context = NewHeader->getContext();  in rotateLoop()
533         LLVM_DEBUG(NewHeader->dump());  in rotateLoop()
571     L->moveToHeader(NewHeader);  in rotateLoop()
572     assert(L->getHeader() == NewHeader && "Latch block is our new header");  in rotateLoop()
580       Updates.push_back({DominatorTree::Insert, OrigPreheader, NewHeader});  in rotateLoop()
603         NewHeader) {  in rotateLoop()
611                                             OrigPreheader, NewHeader,  in rotateLoop()
613       NewPH->setName(NewHeader->getName() + ".lr.ph");  in rotateLoop()
640       BranchInst *NewBI = BranchInst::Create(NewHeader, PHBI);  in rotateLoop()