223 void RegionPass::preparePassManager(PMStack &PMS) {  in preparePassManager()  argument
226   while (!PMS.empty() &&  in preparePassManager()
227          PMS.top()->getPassManagerType() > PMT_RegionPassManager)  in preparePassManager()
228     PMS.pop();  in preparePassManager()
234   if (PMS.top()->getPassManagerType() == PMT_RegionPassManager &&  in preparePassManager()
235     !PMS.top()->preserveHigherLevelAnalysis(this))  in preparePassManager()
236     PMS.pop();  in preparePassManager()
240 void RegionPass::assignPassManager(PMStack &PMS,  in assignPassManager()  argument
243   while (!PMS.empty() &&  in assignPassManager()
244          PMS.top()->getPassManagerType() > PMT_RegionPassManager)  in assignPassManager()
245     PMS.pop();  in assignPassManager()
250   if (PMS.top()->getPassManagerType() == PMT_RegionPassManager)  in assignPassManager()
251     RGPM = (RGPassManager*)PMS.top();  in assignPassManager()
254     assert (!PMS.empty() && "Unable to create Region Pass Manager");  in assignPassManager()
255     PMDataManager *PMD = PMS.top();  in assignPassManager()
259     RGPM->populateInheritedAnalysis(PMS);  in assignPassManager()
270     PMS.push(RGPM);  in assignPassManager()