lib/CodeGen/TailDuplication.cpp

72     // SSAUpdateVals - For each virtual register in SSAUpdateVals keep a list of
74     DenseMap<unsigned, AvailableValsTy> SSAUpdateVals;
245         SSAUpdateVals.find(VReg);
273     SSAUpdateVals.clear();
371   DenseMap<unsigned, AvailableValsTy>::iterator LI= SSAUpdateVals.find(OrigReg);
372   if (LI != SSAUpdateVals.end())
377     SSAUpdateVals.insert(std::make_pair(OrigReg, Vals));
492       DenseMap<unsigned,AvailableValsTy>::iterator LI=SSAUpdateVals.find(Reg);
493       if (LI != SSAUpdateVals.end()) {
498           // might still have added an entry to SSAUpdateVals to correcly