504     Loop *Subloop = *std::prev(Unloop.end());  in updateSubloopParents()  local
507     assert(SubloopParents.count(Subloop) && "DFS failed to visit subloop");  in updateSubloopParents()
508     if (Loop *Parent = SubloopParents[Subloop])  in updateSubloopParents()
509       Parent->addChildLoop(Subloop);  in updateSubloopParents()
511       LI->addTopLevelLoop(Subloop);  in updateSubloopParents()
526   Loop *Subloop = nullptr;  in getNearestLoop()  local
528     Subloop = NearLoop;  in getNearestLoop()
530     while (Subloop->getParentLoop() != &Unloop) {  in getNearestLoop()
531       Subloop = Subloop->getParentLoop();  in getNearestLoop()
532       assert(Subloop && "subloop is not an ancestor of the original loop");  in getNearestLoop()
536       SubloopParents.insert(std::make_pair(Subloop, &Unloop)).first->second;  in getNearestLoop()
541     assert(!Subloop && "subloop blocks must have a successor");  in getNearestLoop()
557       if (Subloop)  in getNearestLoop()
578   if (Subloop) {  in getNearestLoop()
579     SubloopParents[Subloop] = NearLoop;  in getNearestLoop()