AU.addPreserved<LiveStacks>();
AU.addPreserved<RegisterCoalescer>();
AU.addPreserved<CalculateSpillWeights>();
AU.addPreserved<LiveStacks>();
AU.addPreserved<RegisterCoalescer>();
AU.addPreserved<CalculateSpillWeights>();
AU.addRequired<MachineDominatorTree>();
AU.addRequired<MachineLoopInfo>();
AU.addRequired<VirtRegMap>();
AU.addRequired<MachineDominatorTree>();
AU.addRequired<MachineLoopInfo>();
AU.addRequired<VirtRegMap>();