258   BasicBlock *NewHeader = BI->getSuccessor(1);  in rotateLoop()  local
260     std::swap(Exit, NewHeader);  in rotateLoop()
261   assert(NewHeader && "Unable to determine new loop header");  in rotateLoop()
262   assert(L->contains(NewHeader) && !L->contains(Exit) &&  in rotateLoop()
267   assert(NewHeader->getSinglePredecessor() &&  in rotateLoop()
269   FoldSingleEntryPHINodes(NewHeader);  in rotateLoop()
351   L->moveToHeader(NewHeader);  in rotateLoop()
352   assert(L->getHeader() == NewHeader && "Latch block is our new header");  in rotateLoop()
365           NewHeader) {  in rotateLoop()
382       assert(DT->getNode(NewHeader)->getIDom() == OrigPreheaderNode);  in rotateLoop()
392         OrigPreheader, NewHeader,  in rotateLoop()
394     NewPH->setName(NewHeader->getName() + ".lr.ph");  in rotateLoop()
421     BranchInst *NewBI = BranchInst::Create(NewHeader, PHBI);  in rotateLoop()
428       DT->changeImmediateDominator(NewHeader, OrigPreheader);  in rotateLoop()