diff options
Diffstat (limited to 'lib/CodeGen/PostRASchedulerList.cpp')
-rw-r--r-- | lib/CodeGen/PostRASchedulerList.cpp | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/lib/CodeGen/PostRASchedulerList.cpp b/lib/CodeGen/PostRASchedulerList.cpp index 13feaec7d8..cedb41273c 100644 --- a/lib/CodeGen/PostRASchedulerList.cpp +++ b/lib/CodeGen/PostRASchedulerList.cpp @@ -427,9 +427,8 @@ void SchedulePostRATDList::StartBlockForKills(MachineBasicBlock *BB) { unsigned Reg = *I; LiveRegs.set(Reg); // Repeat, for all subregs. - for (const uint16_t *Subreg = TRI->getSubRegisters(Reg); - *Subreg; ++Subreg) - LiveRegs.set(*Subreg); + for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + LiveRegs.set(*SubRegs); } } else { @@ -441,9 +440,8 @@ void SchedulePostRATDList::StartBlockForKills(MachineBasicBlock *BB) { unsigned Reg = *I; LiveRegs.set(Reg); // Repeat, for all subregs. - for (const uint16_t *Subreg = TRI->getSubRegisters(Reg); - *Subreg; ++Subreg) - LiveRegs.set(*Subreg); + for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + LiveRegs.set(*SubRegs); } } } @@ -468,10 +466,9 @@ bool SchedulePostRATDList::ToggleKillFlag(MachineInstr *MI, MO.setIsKill(false); bool AllDead = true; const unsigned SuperReg = MO.getReg(); - for (const uint16_t *Subreg = TRI->getSubRegisters(SuperReg); - *Subreg; ++Subreg) { - if (LiveRegs.test(*Subreg)) { - MI->addOperand(MachineOperand::CreateReg(*Subreg, + for (MCSubRegIterator SubRegs(SuperReg, TRI); SubRegs.isValid(); ++SubRegs) { + if (LiveRegs.test(*SubRegs)) { + MI->addOperand(MachineOperand::CreateReg(*SubRegs, true /*IsDef*/, true /*IsImp*/, false /*IsKill*/, @@ -521,9 +518,8 @@ void SchedulePostRATDList::FixupKills(MachineBasicBlock *MBB) { LiveRegs.reset(Reg); // Repeat for all subregs. - for (const uint16_t *Subreg = TRI->getSubRegisters(Reg); - *Subreg; ++Subreg) - LiveRegs.reset(*Subreg); + for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + LiveRegs.reset(*SubRegs); } // Examine all used registers and set/clear kill flag. When a @@ -540,9 +536,8 @@ void SchedulePostRATDList::FixupKills(MachineBasicBlock *MBB) { if (!killedRegs.test(Reg)) { kill = true; // A register is not killed if any subregs are live... - for (const uint16_t *Subreg = TRI->getSubRegisters(Reg); - *Subreg; ++Subreg) { - if (LiveRegs.test(*Subreg)) { + for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) { + if (LiveRegs.test(*SubRegs)) { kill = false; break; } @@ -574,9 +569,8 @@ void SchedulePostRATDList::FixupKills(MachineBasicBlock *MBB) { LiveRegs.set(Reg); - for (const uint16_t *Subreg = TRI->getSubRegisters(Reg); - *Subreg; ++Subreg) - LiveRegs.set(*Subreg); + for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + LiveRegs.set(*SubRegs); } } } |