lib/CodeGen/IfConversion.cpp

166     LiveRegUnits DontKill;
997  * Remove kill flags from operands with a registers in the @p DontKill set.
999 static void RemoveKills(MachineInstr &MI, const LiveRegUnits &DontKill,
1004     if (DontKill.contains(O->getReg(), MCRI))
1011  * in the @p DontKill set.
1015                         const LiveRegUnits &DontKill,
1018     RemoveKills(*I, DontKill, MCRI);
1057   DontKill.init(TRI);
1058   DontKill.addLiveIns(NextBBI->BB, *TRI);
1070     RemoveKills(CvtBBI->BB->begin(), CvtBBI->BB->end(), DontKill, *TRI);
1160   DontKill.clear();
1317   DontKill.init(TRI);
1320     DontKill.stepBackward(*I, *TRI);
1346   RemoveKills(BBI1->BB->begin(), BBI1->BB->end(), DontKill, *TRI);
1558     if (!DontKill.empty())
1559       RemoveKills(*MI, DontKill, *TRI);