157   MachineBasicBlock *TopMBB = L->getTopBlock();  in EliminateUnconditionalJumpsToTop()  local
161   if (TopMBB == MF.begin() ||  in EliminateUnconditionalJumpsToTop()
162       HasAnalyzableTerminator(prior(MachineFunction::iterator(TopMBB)))) {  in EliminateUnconditionalJumpsToTop()
164     for (MachineBasicBlock::pred_iterator PI = TopMBB->pred_begin(),  in EliminateUnconditionalJumpsToTop()
165          PE = TopMBB->pred_end(); PI != PE; ++PI) {  in EliminateUnconditionalJumpsToTop()
167       if (Pred == TopMBB) continue;  in EliminateUnconditionalJumpsToTop()
200         if (Prior == MachineFunction::iterator(TopMBB)) {  in EliminateUnconditionalJumpsToTop()
221       Splice(MF, TopMBB, Begin, End);  in EliminateUnconditionalJumpsToTop()
224       TopMBB = L->getTopBlock();  in EliminateUnconditionalJumpsToTop()
252   MachineBasicBlock *TopMBB = L->getTopBlock();  in MoveDiscontiguousLoopBlocks()  local
263   if (TopMBB != MF.begin() &&  in MoveDiscontiguousLoopBlocks()
264       !HasFallthrough(prior(MachineFunction::iterator(TopMBB))) &&  in MoveDiscontiguousLoopBlocks()
266     InsertPt = TopMBB;  in MoveDiscontiguousLoopBlocks()
273   for (MachineFunction::iterator I = TopMBB,  in MoveDiscontiguousLoopBlocks()