diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineCSE.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCSE.cpp | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/MachineCSE.cpp b/llvm/lib/CodeGen/MachineCSE.cpp index fa785ac0c5a..dcb6f7cca4f 100644 --- a/llvm/lib/CodeGen/MachineCSE.cpp +++ b/llvm/lib/CodeGen/MachineCSE.cpp @@ -181,12 +181,8 @@ bool MachineCSE::PerformTrivialCopyPropagation(MachineInstr *MI, LLVM_DEBUG(dbgs() << "Coalescing: " << *DefMI); LLVM_DEBUG(dbgs() << "*** to: " << *MI); - // Collect matching debug values. - SmallVector<MachineInstr *, 2> DbgValues; - DefMI->collectDebugValues(DbgValues); - // Propagate SrcReg to debug value instructions. - for (auto *DBI : DbgValues) - DBI->getOperand(0).setReg(SrcReg); + // Update matching debug values. + DefMI->changeDebugValuesDefReg(SrcReg); // Propagate SrcReg of copies to MI. MO.setReg(SrcReg); |
