diff --git a/lib/Target/R600/SIFixSGPRCopies.cpp b/lib/Target/R600/SIFixSGPRCopies.cpp index 82969f682b5..c7e008a8e5a 100644 --- a/lib/Target/R600/SIFixSGPRCopies.cpp +++ b/lib/Target/R600/SIFixSGPRCopies.cpp @@ -182,7 +182,12 @@ bool SIFixSGPRCopies::isVGPRToSGPRCopy(const MachineInstr &Copy, unsigned DstReg = Copy.getOperand(0).getReg(); unsigned SrcReg = Copy.getOperand(1).getReg(); unsigned SrcSubReg = Copy.getOperand(1).getSubReg(); - const TargetRegisterClass *DstRC = MRI.getRegClass(DstReg); + + const TargetRegisterClass *DstRC + = TargetRegisterInfo::isVirtualRegister(DstReg) ? + MRI.getRegClass(DstReg) : + TRI->getRegClass(DstReg); + const TargetRegisterClass *SrcRC; if (!TargetRegisterInfo::isVirtualRegister(SrcReg) ||