48     void GlobalIsNeeded(GlobalValue *GV);
51     bool RemoveUnusedGlobalValue(GlobalValue &GV);
165   if (GlobalVariable *GV = dyn_cast<GlobalVariable>(G)) {  in GlobalIsNeeded()  local
168     if (GV->hasInitializer())  in GlobalIsNeeded()
169       MarkUsedGlobalsAsNeeded(GV->getInitializer());  in GlobalIsNeeded()
183           if (GlobalValue *GV = dyn_cast<GlobalValue>(*U))  in GlobalIsNeeded()  local
184             GlobalIsNeeded(GV);  in GlobalIsNeeded()
191   if (GlobalValue *GV = dyn_cast<GlobalValue>(C))  in MarkUsedGlobalsAsNeeded()  local
192     return GlobalIsNeeded(GV);  in MarkUsedGlobalsAsNeeded()
207 bool GlobalDCE::RemoveUnusedGlobalValue(GlobalValue &GV) {  in RemoveUnusedGlobalValue()  argument
208   if (GV.use_empty()) return false;  in RemoveUnusedGlobalValue()
209   GV.removeDeadConstantUsers();  in RemoveUnusedGlobalValue()
210   return GV.use_empty();  in RemoveUnusedGlobalValue()