ReversePostOrderTraversal<MachineBasicBlock*> RPOT(Entry);
SmallVector<MachineBasicBlock*, 16> Loops;
for (ReversePostOrderTraversal<MachineBasicBlock*>::rpo_iterator
ReversePostOrderTraversal<MachineBasicBlock*> RPOT(Entry);
SmallVector<MachineBasicBlock*, 16> Loops;
for (ReversePostOrderTraversal<MachineBasicBlock*>::rpo_iterator