diff options
Diffstat (limited to 'lib/Target/AMDGPU/SIFrameLowering.cpp')
| -rw-r--r-- | lib/Target/AMDGPU/SIFrameLowering.cpp | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/lib/Target/AMDGPU/SIFrameLowering.cpp b/lib/Target/AMDGPU/SIFrameLowering.cpp index 1279f845de0e..97bb0f0c0656 100644 --- a/lib/Target/AMDGPU/SIFrameLowering.cpp +++ b/lib/Target/AMDGPU/SIFrameLowering.cpp @@ -189,8 +189,6 @@ SIFrameLowering::getReservedPrivateSegmentWaveByteOffsetReg( // ---- // 13 (+1) unsigned ReservedRegCount = 13; - if (SPReg != AMDGPU::NoRegister) - ++ReservedRegCount; if (AllSGPRs.size() < ReservedRegCount) return std::make_pair(ScratchWaveOffsetReg, SPReg); @@ -208,13 +206,6 @@ SIFrameLowering::getReservedPrivateSegmentWaveByteOffsetReg( MRI.replaceRegWith(ScratchWaveOffsetReg, Reg); MFI->setScratchWaveOffsetReg(Reg); ScratchWaveOffsetReg = Reg; - } else { - if (SPReg == AMDGPU::NoRegister) - break; - - MRI.replaceRegWith(SPReg, Reg); - MFI->setStackPtrOffsetReg(Reg); - SPReg = Reg; break; } } @@ -223,8 +214,8 @@ SIFrameLowering::getReservedPrivateSegmentWaveByteOffsetReg( return std::make_pair(ScratchWaveOffsetReg, SPReg); } -void SIFrameLowering::emitPrologue(MachineFunction &MF, - MachineBasicBlock &MBB) const { +void SIFrameLowering::emitEntryFunctionPrologue(MachineFunction &MF, + MachineBasicBlock &MBB) const { // Emit debugger prologue if "amdgpu-debugger-emit-prologue" attribute was // specified. const SISubtarget &ST = MF.getSubtarget<SISubtarget>(); @@ -424,6 +415,13 @@ void SIFrameLowering::emitPrologue(MachineFunction &MF, } } +void SIFrameLowering::emitPrologue(MachineFunction &MF, + MachineBasicBlock &MBB) const { + const SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>(); + if (MFI->isEntryFunction()) + emitEntryFunctionPrologue(MF, MBB); +} + void SIFrameLowering::emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const { |