797     Loop *Subloop = *std::prev(Unloop.end());  in updateSubloopParents()  local
800     assert(SubloopParents.count(Subloop) && "DFS failed to visit subloop");  in updateSubloopParents()
801     if (Loop *Parent = SubloopParents[Subloop])  in updateSubloopParents()
802       Parent->addChildLoop(Subloop);  in updateSubloopParents()
804       LI->addTopLevelLoop(Subloop);  in updateSubloopParents()
819   Loop *Subloop = nullptr;  in getNearestLoop()  local
821     Subloop = NearLoop;  in getNearestLoop()
823     while (Subloop->getParentLoop() != &Unloop) {  in getNearestLoop()
824       Subloop = Subloop->getParentLoop();  in getNearestLoop()
825       assert(Subloop && "subloop is not an ancestor of the original loop");  in getNearestLoop()
828     NearLoop = SubloopParents.insert({Subloop, &Unloop}).first->second;  in getNearestLoop()
832     assert(!Subloop && "subloop blocks must have a successor");  in getNearestLoop()
848       if (Subloop)  in getNearestLoop()
869   if (Subloop) {  in getNearestLoop()
870     SubloopParents[Subloop] = NearLoop;  in getNearestLoop()