diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-05-08 17:12:57 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-05-08 17:12:57 +0000 |
| commit | c46e6a5940c50058e00c0c5f9123fd82e338d29a (patch) | |
| tree | 89a719d723035c54a190b1f81d329834f1f93336 /lib/Target/AMDGPU/SIFrameLowering.cpp | |
| parent | 148779df305667b6942fee7e758fdf81a6498f38 (diff) | |
Diffstat (limited to 'lib/Target/AMDGPU/SIFrameLowering.cpp')
| -rw-r--r-- | lib/Target/AMDGPU/SIFrameLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/AMDGPU/SIFrameLowering.cpp b/lib/Target/AMDGPU/SIFrameLowering.cpp index 86e3b37b09e94..1279f845de0e3 100644 --- a/lib/Target/AMDGPU/SIFrameLowering.cpp +++ b/lib/Target/AMDGPU/SIFrameLowering.cpp @@ -353,7 +353,8 @@ void SIFrameLowering::emitPrologue(MachineFunction &MF, if (OffsetRegUsed && PreloadedScratchWaveOffsetReg != ScratchWaveOffsetReg) { BuildMI(MBB, I, DL, TII->get(AMDGPU::COPY), ScratchWaveOffsetReg) - .addReg(PreloadedScratchWaveOffsetReg, RegState::Kill); + .addReg(PreloadedScratchWaveOffsetReg, + MRI.isPhysRegUsed(ScratchWaveOffsetReg) ? 0 : RegState::Kill); } if (CopyBuffer && !CopyBufferFirst) { |