diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIFixSGPRCopies.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFixSGPRCopies.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFixSGPRCopies.cpp b/llvm/lib/Target/AMDGPU/SIFixSGPRCopies.cpp index 43cb15f502c..34cd6f704a1 100644 --- a/llvm/lib/Target/AMDGPU/SIFixSGPRCopies.cpp +++ b/llvm/lib/Target/AMDGPU/SIFixSGPRCopies.cpp @@ -198,6 +198,10 @@ static bool foldVGPRCopyIntoRegSequence(MachineInstr &MI, if (!CopyUse.isCopy()) return false; + // It is illegal to have vreg inputs to a physreg defining reg_sequence. + if (TargetRegisterInfo::isPhysicalRegister(CopyUse.getOperand(0).getReg())) + return false; + const TargetRegisterClass *SrcRC, *DstRC; std::tie(SrcRC, DstRC) = getCopyRegClasses(CopyUse, *TRI, MRI); |
