diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp')
-rw-r--r-- | llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp b/llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp index 6269dce553f..d042844aa13 100644 --- a/llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp @@ -68,6 +68,14 @@ SIMachineFunctionInfo::SIMachineFunctionInfo(const MachineFunction &MF) WorkItemIDZ = true; } +void SIMachineFunctionInfo::setScratchRSrcReg(const SIRegisterInfo *TRI) { + // We need to round up to next multiple of 4. + unsigned NextSReg128 = RoundUpToAlignment(NumUserSGPRs + 5, 4); + unsigned RegSub0 = AMDGPU::SReg_32RegClass.getRegister(NextSReg128); + ScratchRSrcReg = TRI->getMatchingSuperReg(RegSub0, AMDGPU::sub0, + &AMDGPU::SReg_128RegClass); +} + SIMachineFunctionInfo::SpilledReg SIMachineFunctionInfo::getSpilledReg( MachineFunction *MF, unsigned FrameIndex, |