380       MCPhysReg Reg = P.PhysReg;  in replaceTailWithBranchTo()  local
381       if (!LiveRegs.available(*MRI, Reg))  in replaceTailWithBranchTo()
384       BuildMI(OldMBB, OldInst, DL, TII->get(TargetOpcode::IMPLICIT_DEF), Reg);  in replaceTailWithBranchTo()
854       for (Register Reg : NewLiveIns) {  in mergeCommonTails()  local
855         if (!LiveRegs.available(*MRI, Reg))  in mergeCommonTails()
860         if (any_of(TRI->superregs(Reg), [&](MCPhysReg SReg) {  in mergeCommonTails()
867                 Reg);  in mergeCommonTails()
1796 static void addRegAndItsAliases(Register Reg, const TargetRegisterInfo *TRI,  in addRegAndItsAliases()  argument
1798   if (Reg.isPhysical()) {  in addRegAndItsAliases()
1799     for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI)  in addRegAndItsAliases()
1802     Set.insert(Reg);  in addRegAndItsAliases()
1826     Register Reg = MO.getReg();  in findHoistingInsertPosAndDeps()  local
1827     if (!Reg)  in findHoistingInsertPosAndDeps()
1830       addRegAndItsAliases(Reg, TRI, Uses);  in findHoistingInsertPosAndDeps()
1839       addRegAndItsAliases(Reg, TRI, Defs);  in findHoistingInsertPosAndDeps()
1863     Register Reg = MO.getReg();  in findHoistingInsertPosAndDeps()  local
1864     if (!Reg)  in findHoistingInsertPosAndDeps()
1866     if (Uses.count(Reg)) {  in findHoistingInsertPosAndDeps()
1891     Register Reg = MO.getReg();  in findHoistingInsertPosAndDeps()  local
1892     if (!Reg)  in findHoistingInsertPosAndDeps()
1895       addRegAndItsAliases(Reg, TRI, Uses);  in findHoistingInsertPosAndDeps()
1897       if (Uses.erase(Reg)) {  in findHoistingInsertPosAndDeps()
1898         if (Reg.isPhysical()) {  in findHoistingInsertPosAndDeps()
1899           for (MCPhysReg SubReg : TRI->subregs(Reg))  in findHoistingInsertPosAndDeps()
1903       addRegAndItsAliases(Reg, TRI, Defs);  in findHoistingInsertPosAndDeps()
1964       Register Reg = MO.getReg();  in HoistCommonCodeInSuccs()  local
1965       if (!Reg)  in HoistCommonCodeInSuccs()
1968         if (Uses.count(Reg)) {  in HoistCommonCodeInSuccs()
1975         if (Defs.count(Reg) && !MO.isDead()) {  in HoistCommonCodeInSuccs()
1990       } else if (!ActiveDefsSet.count(Reg)) {  in HoistCommonCodeInSuccs()
1991         if (Defs.count(Reg)) {  in HoistCommonCodeInSuccs()
1997         if (MO.isKill() && Uses.count(Reg))  in HoistCommonCodeInSuccs()
2014       Register Reg = MO.getReg();  in HoistCommonCodeInSuccs()  local
2015       if (!Reg)  in HoistCommonCodeInSuccs()
2017       if (!AllDefsSet.count(Reg)) {  in HoistCommonCodeInSuccs()
2020       if (Reg.isPhysical()) {  in HoistCommonCodeInSuccs()
2021         for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI)  in HoistCommonCodeInSuccs()
2024         ActiveDefsSet.erase(Reg);  in HoistCommonCodeInSuccs()
2032       Register Reg = MO.getReg();  in HoistCommonCodeInSuccs()  local
2033       if (!Reg || Reg.isVirtual())  in HoistCommonCodeInSuccs()
2035       addRegAndItsAliases(Reg, TRI, ActiveDefsSet);  in HoistCommonCodeInSuccs()
2036       addRegAndItsAliases(Reg, TRI, AllDefsSet);  in HoistCommonCodeInSuccs()