Author: evancheng Date: Wed Feb 13 03:18:16 2008 New Revision: 47059 URL: http://llvm.org/viewvc/llvm-project?rev=47059&view=rev Log: Simplify.
Modified: llvm/trunk/include/llvm/CodeGen/LiveIntervalAnalysis.h Modified: llvm/trunk/include/llvm/CodeGen/LiveIntervalAnalysis.h URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/LiveIntervalAnalysis.h?rev=47059&r1=47058&r2=47059&view=diff ============================================================================== --- llvm/trunk/include/llvm/CodeGen/LiveIntervalAnalysis.h (original) +++ llvm/trunk/include/llvm/CodeGen/LiveIntervalAnalysis.h Wed Feb 13 03:18:16 2008 @@ -217,14 +217,14 @@ /// 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; } _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits