diff options
Diffstat (limited to 'lib/CodeGen/TailDuplication.cpp')
-rw-r--r-- | lib/CodeGen/TailDuplication.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index df28c3938a..40ce2b6cbb 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/lib/CodeGen/TailDuplication.cpp @@ -338,12 +338,10 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) { static bool isDefLiveOut(unsigned Reg, MachineBasicBlock *BB, const MachineRegisterInfo *MRI) { - for (MachineRegisterInfo::use_instr_iterator UI = MRI->use_instr_begin(Reg), - UE = MRI->use_instr_end(); UI != UE; ++UI) { - MachineInstr *UseMI = &*UI; - if (UseMI->isDebugValue()) + for (MachineInstr &UseMI : MRI->use_instructions(Reg)) { + if (UseMI.isDebugValue()) continue; - if (UseMI->getParent() != BB) + if (UseMI.getParent() != BB) return true; } return false; |