123       MachineBasicBlock *preHeader = loop.getLoopPreheader();  in applyIncoming()  local
124       if (preHeader == 0) {  in applyIncoming()
127         preHeader = &ls.insertPreHeader(loop);  in applyIncoming()
131         ls.lis->findExitingRange(li, preHeader);  in applyIncoming()
135       MachineInstr *copy = BuildMI(*preHeader,  in applyIncoming()
136                                    preHeader->getFirstTerminator(),  in applyIncoming()
149       li.removeRange(copyDefIdx, ls.lis->getMBBEndIdx(preHeader), true);  in applyIncoming()
152                                      ls.lis->getMBBEndIdx(preHeader),  in applyIncoming()
455     MachineBasicBlock *preHeader =  in insertPreHeader()  local
458     assert(preHeader != 0 && "Failed to create pre-header.");  in insertPreHeader()
460     mf->insert(header, preHeader);  in insertPreHeader()
467       hp.ReplaceUsesOfBlockWith(&header, preHeader);  in insertPreHeader()
469     preHeader->addSuccessor(&header);  in insertPreHeader()
472       llvm::prior(MachineFunction::iterator(preHeader));  in insertPreHeader()
477     lis->InsertMBBInMaps(preHeader);  in insertPreHeader()
482       parentLoop->addBasicBlockToLoop(preHeader, mli->getBase());  in insertPreHeader()
501       if (lis->isLiveInToMBB(li, preHeader)) {  in insertPreHeader()
502         assert(lis->isLiveOutOfMBB(li, preHeader) &&  in insertPreHeader()
509       for (MachineBasicBlock::pred_iterator predItr = preHeader->pred_begin(),  in insertPreHeader()
510                                             predEnd = preHeader->pred_end();  in insertPreHeader()
522       SlotIndex newDefIdx = lis->getMBBStartIdx(preHeader);  in insertPreHeader()
526       li.addRange(LiveRange(lis->getMBBStartIdx(preHeader),  in insertPreHeader()
527                             lis->getMBBEndIdx(preHeader),  in insertPreHeader()
537     return *preHeader;  in insertPreHeader()
712     MachineBasicBlock *preHeader = split.getLoop().getLoopPreheader();  in processHeader()  local
713     if (!preHeader) {  in processHeader()
728     } else if (lis->isLiveOutOfMBB(split.getLI(), preHeader)) {  in processHeader()