77   for (MachineBasicBlock *MBB : Loop->blocks())  in LoopBottom()
78     if (MBB->getNumber() > Bottom->getNumber())  in LoopBottom()
79       Bottom = MBB;  in LoopBottom()
83 static void MaybeUpdateTerminator(MachineBasicBlock *MBB) {  in MaybeUpdateTerminator()  argument
88   for (const MachineInstr &Term : MBB->terminators()) {  in MaybeUpdateTerminator()
97     MBB->updateTerminator();  in MaybeUpdateTerminator()
140   for (MachineBasicBlock &MBB : MF) {  in SortBlocks()
141     unsigned N = MBB.pred_size();  in SortBlocks()
142     if (MachineLoop *L = MLI.getLoopFor(&MBB))  in SortBlocks()
143       if (L->getHeader() == &MBB)  in SortBlocks()
144         for (const MachineBasicBlock *Pred : MBB.predecessors())  in SortBlocks()
147     NumPredsLeft[MBB.getNumber()] = N;  in SortBlocks()
164   for (MachineBasicBlock *MBB = &MF.front();;) {  in SortBlocks()  local
165     const MachineLoop *L = MLI.getLoopFor(MBB);  in SortBlocks()
169       if (L->getHeader() == MBB)  in SortBlocks()
175         if (E.Loop->contains(MBB) && --E.NumBlocksLeft == 0)  in SortBlocks()
182     for (MachineBasicBlock *Succ : MBB->successors()) {  in SortBlocks()
185         if (SuccL->getHeader() == Succ && SuccL->contains(MBB))  in SortBlocks()
207       if (Next->getNumber() < MBB->getNumber() &&  in SortBlocks()
221         MaybeUpdateTerminator(MBB);  in SortBlocks()
238     Next->moveAfter(MBB);  in SortBlocks()
239     MaybeUpdateTerminator(MBB);  in SortBlocks()
240     MBB = Next;  in SortBlocks()
253   for (auto &MBB : MF) {  in SortBlocks()  local
254     assert(MBB.getNumber() >= 0 && "Renumbered blocks should be non-negative.");  in SortBlocks()
256     MachineLoop *Loop = MLI.getLoopFor(&MBB);  in SortBlocks()
257     if (Loop && &MBB == Loop->getHeader()) {  in SortBlocks()
260       for (auto Pred : MBB.predecessors())  in SortBlocks()
262             (Pred->getNumber() < MBB.getNumber() || Loop->contains(Pred)) &&  in SortBlocks()
267       for (auto Pred : MBB.predecessors())  in SortBlocks()
268         assert(Pred->getNumber() < MBB.getNumber() &&  in SortBlocks()
270       assert(OnStack.count(MLI.getLoopFor(&MBB)) &&  in SortBlocks()
273     while (OnStack.size() > 1 && &MBB == LoopBottom(OnStack.back()))  in SortBlocks()
289                                  MachineBasicBlock *MBB) {  in ExplicitlyBranchesTo()  argument
292       if (MO.isMBB() && MO.getMBB() == MBB)  in ExplicitlyBranchesTo()
311 static void PlaceBlockMarker(MachineBasicBlock &MBB, MachineFunction &MF,  in PlaceBlockMarker()  argument
322   int MBBNumber = MBB.getNumber();  in PlaceBlockMarker()
323   for (MachineBasicBlock *Pred : MBB.predecessors())  in PlaceBlockMarker()
326       if (ExplicitlyBranchesTo(Pred, &MBB))  in PlaceBlockMarker()
334   assert(&MBB != &MF.front() && "Header blocks shouldn't have predecessors");  in PlaceBlockMarker()
335   MachineBasicBlock *LayoutPred = &*prev(MachineFunction::iterator(&MBB));  in PlaceBlockMarker()
362   if (HeaderLoop && MBB.getNumber() > LoopBottom(HeaderLoop)->getNumber()) {  in PlaceBlockMarker()
383   InsertPos = MBB.begin();  in PlaceBlockMarker()
384   while (InsertPos != MBB.end() &&  in PlaceBlockMarker()
387   BuildMI(MBB, InsertPos, DebugLoc(), TII.get(WebAssembly::END_BLOCK));  in PlaceBlockMarker()
390   int Number = MBB.getNumber();  in PlaceBlockMarker()
398     MachineBasicBlock &MBB, MachineFunction &MF,  in PlaceLoopMarker()  argument
402   MachineLoop *Loop = MLI.getLoopFor(&MBB);  in PlaceLoopMarker()
403   if (!Loop || Loop->getHeader() != &MBB)  in PlaceLoopMarker()
421   auto InsertPos = MBB.begin();  in PlaceLoopMarker()
422   while (InsertPos != MBB.end() &&  in PlaceLoopMarker()
425   BuildMI(MBB, InsertPos, DebugLoc(), TII.get(WebAssembly::LOOP));  in PlaceLoopMarker()
430   LoopTops[End] = &MBB;  in PlaceLoopMarker()
433           ScopeTops[AfterLoop->getNumber()]->getNumber() < MBB.getNumber()) &&  in PlaceLoopMarker()
436     ScopeTops[AfterLoop->getNumber()] = &MBB;  in PlaceLoopMarker()
441          const MachineBasicBlock *MBB) {  in GetDepth()  argument
444     if (X == MBB)  in GetDepth()
467   for (auto &MBB : MF) {  in PlaceMarkers()  local
469     PlaceLoopMarker(MBB, MF, ScopeTops, LoopTops, TII, MLI);  in PlaceMarkers()
472     PlaceBlockMarker(MBB, MF, ScopeTops, TII, MLI, MDT, MFI);  in PlaceMarkers()
477   for (auto &MBB : reverse(MF)) {  in PlaceMarkers()  local
478     for (auto &MI : reverse(MBB)) {  in PlaceMarkers()
481         assert(ScopeTops[Stack.back()->getNumber()] == &MBB &&  in PlaceMarkers()
486         assert(Stack.back() == &MBB && "Loop top should be balanced");  in PlaceMarkers()
491         Stack.push_back(&MBB);  in PlaceMarkers()
494         Stack.push_back(&MBB);  in PlaceMarkers()