diff options
Diffstat (limited to 'lib/CodeGen/ProcessImplicitDefs.cpp')
-rw-r--r-- | lib/CodeGen/ProcessImplicitDefs.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp index e3df2e42cf..d7179b3e59 100644 --- a/lib/CodeGen/ProcessImplicitDefs.cpp +++ b/lib/CodeGen/ProcessImplicitDefs.cpp @@ -205,10 +205,9 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) { // Process each use instruction once. for (MachineRegisterInfo::use_iterator UI = mri_->use_begin(Reg), UE = mri_->use_end(); UI != UE; ++UI) { - MachineInstr *RMI = &*UI; - MachineBasicBlock *RMBB = RMI->getParent(); - if (RMBB == MBB) + if (UI.getOperand().isUndef()) continue; + MachineInstr *RMI = &*UI; if (ModInsts.insert(RMI)) RUses.push_back(RMI); } |