315 void LoopPass::preparePassManager(PMStack &PMS) {  in preparePassManager()  argument
318   while (!PMS.empty() &&  in preparePassManager()
319          PMS.top()->getPassManagerType() > PMT_LoopPassManager)  in preparePassManager()
320     PMS.pop();  in preparePassManager()
325   if (PMS.top()->getPassManagerType() == PMT_LoopPassManager &&  in preparePassManager()
326       !PMS.top()->preserveHigherLevelAnalysis(this))  in preparePassManager()
327     PMS.pop();  in preparePassManager()
331 void LoopPass::assignPassManager(PMStack &PMS,  in assignPassManager()  argument
334   while (!PMS.empty() &&  in assignPassManager()
335          PMS.top()->getPassManagerType() > PMT_LoopPassManager)  in assignPassManager()
336     PMS.pop();  in assignPassManager()
339   if (PMS.top()->getPassManagerType() == PMT_LoopPassManager)  in assignPassManager()
340     LPPM = (LPPassManager*)PMS.top();  in assignPassManager()
343     assert (!PMS.empty() && "Unable to create Loop Pass Manager");  in assignPassManager()
344     PMDataManager *PMD = PMS.top();  in assignPassManager()
348     LPPM->populateInheritedAnalysis(PMS);  in assignPassManager()
360     PMS.push(LPPM);  in assignPassManager()