354     BasicBlock *NewHeader = BI->getSuccessor(1);  in rotateLoop()  local
356       std::swap(Exit, NewHeader);  in rotateLoop()
357     assert(NewHeader && "Unable to determine new loop header");  in rotateLoop()
358     assert(L->contains(NewHeader) && !L->contains(Exit) &&  in rotateLoop()
363     assert(NewHeader->getSinglePredecessor() &&  in rotateLoop()
365     FoldSingleEntryPHINodes(NewHeader);  in rotateLoop()
491     L->moveToHeader(NewHeader);  in rotateLoop()
492     assert(L->getHeader() == NewHeader && "Latch block is our new header");  in rotateLoop()
500       Updates.push_back({DominatorTree::Insert, OrigPreheader, NewHeader});  in rotateLoop()
522         NewHeader) {  in rotateLoop()
530                                             OrigPreheader, NewHeader,  in rotateLoop()
532       NewPH->setName(NewHeader->getName() + ".lr.ph");  in rotateLoop()
558       BranchInst *NewBI = BranchInst::Create(NewHeader, PHBI);  in rotateLoop()