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llvm/lib/Target/Mips/MipsRegisterInfo.cpp
| Show First 20 Lines • Show All 312 Lines • ▼ Show 20 Lines | bool MipsRegisterInfo::canRealignStack(const MachineFunction &MF) const { | ||||
| // don't have variable sized objects. | // don't have variable sized objects. | ||||
| if (Subtarget.getFrameLowering()->hasReservedCallFrame(MF)) | if (Subtarget.getFrameLowering()->hasReservedCallFrame(MF)) | ||||
| return true; | return true; | ||||
| // We have to reserve the base pointer register in the presence of variable | // We have to reserve the base pointer register in the presence of variable | ||||
| // sized objects. | // sized objects. | ||||
| return MF.getRegInfo().canReserveReg(BP); | return MF.getRegInfo().canReserveReg(BP); | ||||
| } | } | ||||
| bool MipsRegisterInfo::isConstantPhysReg(MCRegister PhysReg) const { | |||||
| return PhysReg == Mips::ZERO_64 || PhysReg == Mips::ZERO; | |||||
| } | |||||