Lines Matching defs:Unloop

694   Loop &Unloop;
710   UnloopUpdater(Loop *UL, LoopInfo *LInfo) : Unloop(*UL), LI(LInfo), DFS(UL) {}
726   if (Unloop.getNumBlocks()) {
736         // For reducible loops, NL is now an ancestor of Unloop.
737         assert((NL != &Unloop && (!NL || NL->contains(&Unloop))) &&
743         assert((FoundIB || Unloop.contains(L)) && "uninitialized successor");
751     assert(NIters < Unloop.getNumBlocks() && "runaway iterative algorithm");
764         assert(NL != &Unloop && (!NL || NL->contains(&Unloop)) &&
777   for (BasicBlock *BB : Unloop.blocks()) {
779     if (Unloop.contains(OuterParent)) {
780       while (OuterParent->getParentLoop() != &Unloop)
784     // Remove blocks from former Ancestors except Unloop itself which will be
786     for (Loop *OldParent = Unloop.getParentLoop(); OldParent != OuterParent;
796   while (!Unloop.isInnermost()) {
797     Loop *Subloop = *std::prev(Unloop.end());
798     Unloop.removeChildLoop(std::prev(Unloop.end()));
815   // Initially for blocks directly contained by Unloop, NearLoop == Unloop and
820   if (NearLoop != &Unloop && Unloop.contains(NearLoop)) {
822     // Find the subloop ancestor that is directly contained within Unloop.
823     while (Subloop->getParentLoop() != &Unloop) {
827     // Get the current nearest parent of the Subloop exits, initially Unloop.
828     NearLoop = SubloopParents.insert({Subloop, &Unloop}).first->second;
840     if (L == &Unloop) {
846     if (L != &Unloop && Unloop.contains(L)) {
852       assert(L->getParentLoop() == &Unloop && "cannot skip into nested loops");
856       // L could be Unloop if the only exit was an irreducible backedge.
858     if (L == &Unloop) {
861     // Handle critical edges from Unloop into a sibling loop.
862     if (L && !L->contains(&Unloop)) {
866     if (NearLoop == &Unloop || !NearLoop || NearLoop->contains(L))
887 void LoopInfo::erase(Loop *Unloop) {
888   assert(!Unloop->isInvalid() && "Loop has already been erased!");
890   auto InvalidateOnExit = make_scope_exit([&]() { destroy(Unloop); });
893   if (Unloop->isOutermost()) {
894     // Since BBLoop had no parent, Unloop blocks are no longer in a loop.
895     for (BasicBlock *BB : Unloop->blocks()) {
897       if (getLoopFor(BB) != Unloop)
900       // Blocks no longer have a parent but are still referenced by Unloop until
901       // the Unloop object is deleted.
908       if (*I == Unloop) {
915     while (!Unloop->isInnermost())
916       addTopLevelLoop(Unloop->removeChildLoop(std::prev(Unloop->end())));
923   UnloopUpdater Updater(Unloop, this);
933   Loop *ParentLoop = Unloop->getParentLoop();
936     if (*I == Unloop) {