416   Loop &Unloop;  member in __anona6d42f2e0511::UnloopUpdater
433       : Unloop(*UL), LI(LInfo), DFS(UL), FoundIB(false) {}  in UnloopUpdater()
449   if (Unloop.getNumBlocks()) {  in updateBlockParents()
460         assert((NL != &Unloop && (!NL || NL->contains(&Unloop))) &&  in updateBlockParents()
466         assert((FoundIB || Unloop.contains(L)) && "uninitialized successor");  in updateBlockParents()
474     assert(NIters < Unloop.getNumBlocks() && "runaway iterative algorithm");  in updateBlockParents()
486         assert(NL != &Unloop && (!NL || NL->contains(&Unloop)) &&  in updateBlockParents()
499   for (Loop::block_iterator BI = Unloop.block_begin(), BE = Unloop.block_end();  in removeBlocksFromAncestors()
502     if (Unloop.contains(OuterParent)) {  in removeBlocksFromAncestors()
503       while (OuterParent->getParentLoop() != &Unloop)  in removeBlocksFromAncestors()
509     for (Loop *OldParent = Unloop.getParentLoop(); OldParent != OuterParent;  in removeBlocksFromAncestors()
519   while (!Unloop.empty()) {  in updateSubloopParents()
520     Loop *Subloop = *std::prev(Unloop.end());  in updateSubloopParents()
521     Unloop.removeChildLoop(std::prev(Unloop.end()));  in updateSubloopParents()
543   if (NearLoop != &Unloop && Unloop.contains(NearLoop)) {  in getNearestLoop()
546     while (Subloop->getParentLoop() != &Unloop) {  in getNearestLoop()
551     NearLoop = SubloopParents.insert({Subloop, &Unloop}).first->second;  in getNearestLoop()
564     if (L == &Unloop) {  in getNearestLoop()
570     if (L != &Unloop && Unloop.contains(L)) {  in getNearestLoop()
576       assert(L->getParentLoop() == &Unloop && "cannot skip into nested loops");  in getNearestLoop()
582     if (L == &Unloop) {  in getNearestLoop()
586     if (L && !L->contains(&Unloop)) {  in getNearestLoop()
590     if (NearLoop == &Unloop || !NearLoop || NearLoop->contains(L))  in getNearestLoop()
611 void LoopInfo::erase(Loop *Unloop) {  in erase()  argument
612   assert(!Unloop->isInvalid() && "Loop has already been erased!");  in erase()
614   auto InvalidateOnExit = make_scope_exit([&]() { destroy(Unloop); });  in erase()
617   if (!Unloop->getParentLoop()) {  in erase()
619     for (Loop::block_iterator I = Unloop->block_begin(),  in erase()
620                               E = Unloop->block_end();  in erase()
624       if (getLoopFor(*I) != Unloop)  in erase()
635       if (*I == Unloop) {  in erase()
642     while (!Unloop->empty())  in erase()
643       addTopLevelLoop(Unloop->removeChildLoop(std::prev(Unloop->end())));  in erase()
650   UnloopUpdater Updater(Unloop, this);  in erase()
660   Loop *ParentLoop = Unloop->getParentLoop();  in erase()
663     if (*I == Unloop) {  in erase()