diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp b/llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp index a655308..ce1ce68 100644 --- a/llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp +++ b/llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp @@ -1911,14 +1911,12 @@ void PreRARematStage::rematerialize() { for (auto &[DefMI, Remat] : Rematerializations) { MachineBasicBlock::iterator InsertPos(Remat.UseMI); Register Reg = DefMI->getOperand(0).getReg(); - unsigned SubReg = DefMI->getOperand(0).getSubReg(); unsigned DefRegion = MIRegion.at(DefMI); // Rematerialize DefMI to its use block. - TII->reMaterialize(*InsertPos->getParent(), InsertPos, Reg, SubReg, *DefMI, - *DAG.TRI); + TII->reMaterialize(*InsertPos->getParent(), InsertPos, Reg, + AMDGPU::NoSubRegister, *DefMI, *DAG.TRI); Remat.RematMI = &*std::prev(InsertPos); - Remat.RematMI->getOperand(0).setSubReg(SubReg); DAG.LIS->InsertMachineInstrInMaps(*Remat.RematMI); // Update region boundaries in regions we sinked from (remove defining MI) @@ -2064,14 +2062,13 @@ void PreRARematStage::finalizeGCNSchedStage() { MachineBasicBlock::iterator InsertPos(DAG.Regions[DefRegion].second); MachineBasicBlock *MBB = RegionBB[DefRegion]; Register Reg = RematMI.getOperand(0).getReg(); - unsigned SubReg = RematMI.getOperand(0).getSubReg(); // Re-rematerialize MI at the end of its original region. Note that it may // not be rematerialized exactly in the same position as originally within // the region, but it should not matter much. - TII->reMaterialize(*MBB, InsertPos, Reg, SubReg, RematMI, *DAG.TRI); + TII->reMaterialize(*MBB, InsertPos, Reg, AMDGPU::NoSubRegister, RematMI, + *DAG.TRI); MachineInstr *NewMI = &*std::prev(InsertPos); - NewMI->getOperand(0).setSubReg(SubReg); DAG.LIS->InsertMachineInstrInMaps(*NewMI); auto UseRegion = MIRegion.find(Remat.UseMI); |