260   void LoopSplitter::getAnalysisUsage(AnalysisUsage &au) const {  in getAnalysisUsage()
261     au.addRequired<MachineDominatorTree>();  in getAnalysisUsage()
262     au.addPreserved<MachineDominatorTree>();  in getAnalysisUsage()
263     au.addRequired<MachineLoopInfo>();  in getAnalysisUsage()
264     au.addPreserved<MachineLoopInfo>();  in getAnalysisUsage()
265     au.addPreservedID(RegisterCoalescerPassID);  in getAnalysisUsage()
266     au.addPreserved<CalculateSpillWeights>();  in getAnalysisUsage()
267     au.addPreserved<LiveStacks>();  in getAnalysisUsage()
268     au.addRequired<SlotIndexes>();  in getAnalysisUsage()
269     au.addPreserved<SlotIndexes>();  in getAnalysisUsage()
270     au.addRequired<LiveIntervals>();  in getAnalysisUsage()
271     au.addPreserved<LiveIntervals>();  in getAnalysisUsage()
272     MachineFunctionPass::getAnalysisUsage(au);  in getAnalysisUsage()