diff options
Diffstat (limited to 'llvm/lib/Target/R600/SIFixSGPRCopies.cpp')
| -rw-r--r-- | llvm/lib/Target/R600/SIFixSGPRCopies.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/R600/SIFixSGPRCopies.cpp b/llvm/lib/Target/R600/SIFixSGPRCopies.cpp index a9a7c5ce0fe..f6b8b783d02 100644 --- a/llvm/lib/Target/R600/SIFixSGPRCopies.cpp +++ b/llvm/lib/Target/R600/SIFixSGPRCopies.cpp @@ -185,7 +185,8 @@ bool SIFixSGPRCopies::isVGPRToSGPRCopy(const MachineInstr &Copy, const TargetRegisterClass *SrcRC; if (!TargetRegisterInfo::isVirtualRegister(SrcReg) || - DstRC == &AMDGPU::M0RegRegClass) + DstRC == &AMDGPU::M0RegRegClass || + MRI.getRegClass(SrcReg) == &AMDGPU::VReg_1RegClass) return false; SrcRC = TRI->getSubRegClass(MRI.getRegClass(SrcReg), SrcSubReg); |
