diff --git a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp index fa9e9e8cf996..20cdaec07c30 100644 --- a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp @@ -417,13 +417,13 @@ void SIRegisterInfo::spillSGPR(MachineBasicBlock::iterator MI, const DebugLoc &DL = MI->getDebugLoc(); unsigned NumSubRegs = getNumSubRegsForSpillOp(MI->getOpcode()); - unsigned TmpReg = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass); unsigned SuperReg = MI->getOperand(0).getReg(); bool IsKill = MI->getOperand(0).isKill(); // 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)); @@ -503,7 +503,6 @@ void SIRegisterInfo::restoreSGPR(MachineBasicBlock::iterator MI, const DebugLoc &DL = MI->getDebugLoc(); unsigned NumSubRegs = getNumSubRegsForSpillOp(MI->getOpcode()); - unsigned TmpReg = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass); unsigned SuperReg = MI->getOperand(0).getReg(); // m0 is not allowed as with readlane/writelane, so a temporary SGPR and @@ -515,6 +514,7 @@ void SIRegisterInfo::restoreSGPR(MachineBasicBlock::iterator MI, } 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));