// SubReg carries the "Kill" flag when SubReg == SuperReg.
unsigned SubKillState = getKillRegState((NumSubRegs == 1) && IsKill);
for (unsigned i = 0, e = NumSubRegs; i < e; ++i) {
- unsigned TmpReg = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass);
unsigned SubReg = NumSubRegs == 1 ?
SuperReg : getSubReg(SuperReg, getSubRegFromChannel(i));
} else {
// Spill SGPR to a frame index.
// FIXME we should use S_STORE_DWORD here for VI.
+
+ // TODO: Should VI try to spill to VGPR and then spill to SMEM?
+ unsigned TmpReg = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass);
+
MachineInstrBuilder Mov
= BuildMI(*MBB, MI, DL, TII->get(AMDGPU::V_MOV_B32_e32), TmpReg)
.addReg(SubReg, SubKillState);
}
for (unsigned i = 0, e = NumSubRegs; i < e; ++i) {
- unsigned TmpReg = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass);
unsigned SubReg = NumSubRegs == 1 ?
SuperReg : getSubReg(SuperReg, getSubRegFromChannel(i));
// Restore SGPR from a stack slot.
// FIXME: We should use S_LOAD_DWORD here for VI.
+ unsigned TmpReg = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass);
unsigned Align = FrameInfo.getObjectAlignment(Index);
unsigned Size = FrameInfo.getObjectSize(Index);