diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFoldOperands.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp index ccb6cb7a0a8..02a39307e74 100644 --- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp +++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp @@ -366,7 +366,10 @@ bool SIFoldOperands::runOnMachineFunction(MachineFunction &MF) { // Clear kill flags. if (!Fold.isImm()) { assert(Fold.OpToFold && Fold.OpToFold->isReg()); - Fold.OpToFold->setIsKill(false); + // FIXME: Probably shouldn't bother trying to fold if not an + // SGPR. PeepholeOptimizer can eliminate redundant VGPR->VGPR + // copies. + MRI.clearKillFlags(Fold.OpToFold->getReg()); } DEBUG(dbgs() << "Folded source from " << MI << " into OpNo " << Fold.UseOpNo << " of " << *Fold.UseMI << '\n'); |
