diff options
| -rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index 6bc02526a3..1667ee3a75 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -217,14 +217,14 @@ namespace llvm { /// maps used by register allocator. void ReplaceMachineInstrInMaps(MachineInstr *MI, MachineInstr *NewMI) { Mi2IndexMap::iterator mi2i = mi2iMap_.find(MI); - if (mi2i != mi2iMap_.end()) { - i2miMap_[mi2i->second/InstrSlots::NUM] = NewMI; - Mi2IndexMap::const_iterator it = mi2iMap_.find(MI); - assert(it != mi2iMap_.end() && "Invalid instruction!"); - unsigned Index = it->second; - mi2iMap_.erase(MI); - mi2iMap_[NewMI] = Index; - } + if (mi2i == mi2iMap_.end()) + return; + i2miMap_[mi2i->second/InstrSlots::NUM] = NewMI; + Mi2IndexMap::iterator it = mi2iMap_.find(MI); + assert(it != mi2iMap_.end() && "Invalid instruction!"); + unsigned Index = it->second; + mi2iMap_.erase(it); + mi2iMap_[NewMI] = Index; } BumpPtrAllocator& getVNInfoAllocator() { return VNInfoAllocator; } |