53   for (MachineFunction::iterator MBB = MF.begin(),  in runOnMachineFunction()  local
56        MBB != LastMBB; MBB = NextMBB) {  in runOnMachineFunction()
57     NextMBB = std::next(MBB);  in runOnMachineFunction()
61     if (MBB->isEHPad() || MBB->hasAddressTaken())  in runOnMachineFunction()
64     bool HasAnyRealCode = llvm::any_of(*MBB, [](const MachineInstr &MI) {  in runOnMachineFunction()
71     LLVM_DEBUG(dbgs() << "Removing basic block " << MBB->getName()  in runOnMachineFunction()
73                       << *MBB << "\n");  in runOnMachineFunction()
74     SmallVector<MachineBasicBlock *, 8> Preds(MBB->predecessors());  in runOnMachineFunction()
77       Pred->ReplaceUsesOfBlockWith(&*MBB, &*NextMBB);  in runOnMachineFunction()
80       JTI->ReplaceMBBInJumpTables(&*MBB, &*NextMBB);  in runOnMachineFunction()
82     while (!MBB->succ_empty())  in runOnMachineFunction()
83       MBB->removeSuccessor(MBB->succ_end() - 1);  in runOnMachineFunction()
85     MBB->eraseFromParent();  in runOnMachineFunction()