220 void RegionPass::preparePassManager(PMStack &PMS) {  in preparePassManager()  argument
223   while (!PMS.empty() &&  in preparePassManager()
224          PMS.top()->getPassManagerType() > PMT_RegionPassManager)  in preparePassManager()
225     PMS.pop();  in preparePassManager()
231   if (PMS.top()->getPassManagerType() == PMT_RegionPassManager &&  in preparePassManager()
232     !PMS.top()->preserveHigherLevelAnalysis(this))  in preparePassManager()
233     PMS.pop();  in preparePassManager()
237 void RegionPass::assignPassManager(PMStack &PMS,  in assignPassManager()  argument
240   while (!PMS.empty() &&  in assignPassManager()
241          PMS.top()->getPassManagerType() > PMT_RegionPassManager)  in assignPassManager()
242     PMS.pop();  in assignPassManager()
247   if (PMS.top()->getPassManagerType() == PMT_RegionPassManager)  in assignPassManager()
248     RGPM = (RGPassManager*)PMS.top();  in assignPassManager()
251     assert (!PMS.empty() && "Unable to create Region Pass Manager");  in assignPassManager()
252     PMDataManager *PMD = PMS.top();  in assignPassManager()
256     RGPM->populateInheritedAnalysis(PMS);  in assignPassManager()
267     PMS.push(RGPM);  in assignPassManager()