1378   std::unique_ptr<WaitcntBrackets> Brackets;  in runOnMachineFunction()  local
1391         if (!Brackets)  in runOnMachineFunction()
1392           Brackets = llvm::make_unique<WaitcntBrackets>(*BI.Incoming);  in runOnMachineFunction()
1394           *Brackets = *BI.Incoming;  in runOnMachineFunction()
1396         if (!Brackets)  in runOnMachineFunction()
1397           Brackets = llvm::make_unique<WaitcntBrackets>(ST);  in runOnMachineFunction()
1399           Brackets->clear();  in runOnMachineFunction()
1402       Modified |= insertWaitcntInBlock(MF, *BI.MBB, *Brackets);  in runOnMachineFunction()
1405       if (Brackets->hasPending()) {  in runOnMachineFunction()
1417               SuccBI.Incoming = llvm::make_unique<WaitcntBrackets>(*Brackets);  in runOnMachineFunction()
1419           } else if (SuccBI.Incoming->merge(*Brackets)) {  in runOnMachineFunction()
1426           MoveBracketsToSucc->Incoming = std::move(Brackets);  in runOnMachineFunction()