72   bool LowerWhileLoopStart(MachineLoop *ML);
73   bool MergeLoopEnd(MachineLoop *ML);
74   bool ConvertTailPredLoop(MachineLoop *ML, MachineDominatorTree *DT);
111 static bool findLoopComponents(MachineLoop *ML, MachineRegisterInfo *MRI,  in findLoopComponents()  argument
114   MachineBasicBlock *Header = ML->getHeader();  in findLoopComponents()
115   MachineBasicBlock *Latch = ML->getLoopLatch();  in findLoopComponents()
228 bool MVETPAndVPTOptimisations::LowerWhileLoopStart(MachineLoop *ML) {  in LowerWhileLoopStart()  argument
230                     << ML->getHeader()->getName() << "\n");  in LowerWhileLoopStart()
233   if (!findLoopComponents(ML, MRI, LoopStart, LoopPhi, LoopDec, LoopEnd))  in LowerWhileLoopStart()
320 bool MVETPAndVPTOptimisations::MergeLoopEnd(MachineLoop *ML) {  in MergeLoopEnd()  argument
324   LLVM_DEBUG(dbgs() << "MergeLoopEnd on loop " << ML->getHeader()->getName()  in MergeLoopEnd()
328   if (!findLoopComponents(ML, MRI, LoopStart, LoopPhi, LoopDec, LoopEnd))  in MergeLoopEnd()
334   auto *PreHeader = ML->getLoopPreheader();  in MergeLoopEnd()
338   for (MachineBasicBlock *MBB : ML->blocks()) {  in MergeLoopEnd()
399   if (LoopPhi->getOperand(2).getMBB() == ML->getLoopLatch()) {  in MergeLoopEnd()
438 bool MVETPAndVPTOptimisations::ConvertTailPredLoop(MachineLoop *ML,  in ConvertTailPredLoop()  argument
441                     << ML->getHeader()->getName() << "\n");  in ConvertTailPredLoop()
446   if (!findLoopComponents(ML, MRI, LoopStart, LoopPhi, LoopDec, LoopEnd))  in ConvertTailPredLoop()
454   for (MachineBasicBlock *BB : ML->blocks()) {  in ConvertTailPredLoop()
496       (Phi->getOperand(2).getMBB() != ML->getLoopLatch() &&  in ConvertTailPredLoop()
497        Phi->getOperand(4).getMBB() != ML->getLoopLatch())) {  in ConvertTailPredLoop()
501   CountReg = Phi->getOperand(2).getMBB() == ML->getLoopLatch()  in ConvertTailPredLoop()
513         !DT->dominates(ML->getHeader(), Use.getParent())) {  in ConvertTailPredLoop()
1075   for (MachineLoop *ML : MLI->getLoopsInPreorder()) {  in runOnMachineFunction()
1076     Modified |= LowerWhileLoopStart(ML);  in runOnMachineFunction()
1077     Modified |= MergeLoopEnd(ML);  in runOnMachineFunction()
1078     Modified |= ConvertTailPredLoop(ML, DT);  in runOnMachineFunction()