diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCFrameLowering.cpp | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp b/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp index bdda9d13ad8..7902da20a01 100644 --- a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp @@ -1950,14 +1950,7 @@ PPCFrameLowering::spillCalleeSavedRegisters(MachineBasicBlock &MBB, bool IsCRField = PPC::CR2 <= Reg && Reg <= PPC::CR4; // Add the callee-saved register as live-in; it's killed at the spill. - // Do not do this for callee-saved registers that are live-in to the - // function because they will already be marked live-in and this will be - // adding it for a second time. It is an error to add the same register - // to the set more than once. - const MachineRegisterInfo &MRI = MF->getRegInfo(); - bool IsLiveIn = MRI.isLiveIn(Reg); - if (!IsLiveIn) - MBB.addLiveIn(Reg); + MBB.addLiveIn(Reg); if (CRSpilled && IsCRField) { CRMIB.addReg(Reg, RegState::ImplicitKill); @@ -1987,10 +1980,7 @@ PPCFrameLowering::spillCalleeSavedRegisters(MachineBasicBlock &MBB, } } else { const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(Reg); - // Use !IsLiveIn for the kill flag. - // We do not want to kill registers that are live in this function - // before their use because they will become undefined registers. - TII.storeRegToStackSlot(MBB, MI, Reg, !IsLiveIn, + TII.storeRegToStackSlot(MBB, MI, Reg, true, CSI[i].getFrameIdx(), RC, TRI); } } |
