diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFrameLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp index e4b3528..0189e7b 100644 --- a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp @@ -306,7 +306,8 @@ class PrologEpilogSGPRSpillBuilder { buildEpilogRestore(ST, TRI, *FuncInfo, LiveUnits, MF, MBB, MI, DL, TmpVGPR, FI, FrameReg, DwordOff); - MRI.constrainRegClass(SubReg, &AMDGPU::SReg_32_XM0RegClass); + assert(SubReg.isPhysical()); + BuildMI(MBB, MI, DL, TII->get(AMDGPU::V_READFIRSTLANE_B32), SubReg) .addReg(TmpVGPR, RegState::Kill); DwordOff += 4; |