678   Loop &Unloop;  member in __anon90567d990511::UnloopUpdater
694   UnloopUpdater(Loop *UL, LoopInfo *LInfo) : Unloop(*UL), LI(LInfo), DFS(UL) {}  in UnloopUpdater()
710   if (Unloop.getNumBlocks()) {  in updateBlockParents()
721         assert((NL != &Unloop && (!NL || NL->contains(&Unloop))) &&  in updateBlockParents()
727         assert((FoundIB || Unloop.contains(L)) && "uninitialized successor");  in updateBlockParents()
735     assert(NIters < Unloop.getNumBlocks() && "runaway iterative algorithm");  in updateBlockParents()
748         assert(NL != &Unloop && (!NL || NL->contains(&Unloop)) &&  in updateBlockParents()
761   for (BasicBlock *BB : Unloop.blocks()) {  in removeBlocksFromAncestors()
763     if (Unloop.contains(OuterParent)) {  in removeBlocksFromAncestors()
764       while (OuterParent->getParentLoop() != &Unloop)  in removeBlocksFromAncestors()
770     for (Loop *OldParent = Unloop.getParentLoop(); OldParent != OuterParent;  in removeBlocksFromAncestors()
780   while (!Unloop.isInnermost()) {  in updateSubloopParents()
781     Loop *Subloop = *std::prev(Unloop.end());  in updateSubloopParents()
782     Unloop.removeChildLoop(std::prev(Unloop.end()));  in updateSubloopParents()
804   if (NearLoop != &Unloop && Unloop.contains(NearLoop)) {  in getNearestLoop()
807     while (Subloop->getParentLoop() != &Unloop) {  in getNearestLoop()
812     NearLoop = SubloopParents.insert({Subloop, &Unloop}).first->second;  in getNearestLoop()
825     if (L == &Unloop) {  in getNearestLoop()
831     if (L != &Unloop && Unloop.contains(L)) {  in getNearestLoop()
837       assert(L->getParentLoop() == &Unloop && "cannot skip into nested loops");  in getNearestLoop()
843     if (L == &Unloop) {  in getNearestLoop()
847     if (L && !L->contains(&Unloop)) {  in getNearestLoop()
851     if (NearLoop == &Unloop || !NearLoop || NearLoop->contains(L))  in getNearestLoop()
872 void LoopInfo::erase(Loop *Unloop) {  in erase()  argument
873   assert(!Unloop->isInvalid() && "Loop has already been erased!");  in erase()
875   auto InvalidateOnExit = make_scope_exit([&]() { destroy(Unloop); });  in erase()
878   if (Unloop->isOutermost()) {  in erase()
880     for (BasicBlock *BB : Unloop->blocks()) {  in erase()
882       if (getLoopFor(BB) != Unloop)  in erase()
893       if (*I == Unloop) {  in erase()
900     while (!Unloop->isInnermost())  in erase()
901       addTopLevelLoop(Unloop->removeChildLoop(std::prev(Unloop->end())));  in erase()
908   UnloopUpdater Updater(Unloop, this);  in erase()
918   Loop *ParentLoop = Unloop->getParentLoop();  in erase()
921     if (*I == Unloop) {  in erase()