diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineCSE.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCSE.cpp | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineCSE.cpp b/llvm/lib/CodeGen/MachineCSE.cpp index 728fd2f..bea0eaf 100644 --- a/llvm/lib/CodeGen/MachineCSE.cpp +++ b/llvm/lib/CodeGen/MachineCSE.cpp @@ -187,8 +187,6 @@ bool MachineCSEImpl::PerformTrivialCopyPropagation(MachineInstr *MI, Register SrcReg = DefMI->getOperand(1).getReg(); if (!SrcReg.isVirtual()) continue; - if (DefMI->getOperand(0).getSubReg()) - continue; // FIXME: We should trivially coalesce subregister copies to expose CSE // opportunities on instructions with truncated operands (see // cse-add-with-overflow.ll). This can be done here as follows: |