104   Value *Def = nullptr;  member
150       return std::tie(A.DFSIn, A.DFSOut, A.LocalNum, A.Def, A.U) <  in operator ()()
151              std::tie(B.DFSIn, B.DFSOut, B.LocalNum, B.Def, B.U);  in operator ()()
158     if (!VD.Def && VD.U) {  in getBlockEdge()
171     return std::tie(ABlockEdge, A.Def, A.U) < std::tie(BBlockEdge, B.Def, B.U);  in comparePHIRelated()
176     if (VD.Def)  in getMiddleDef()
177       return VD.Def;  in getMiddleDef()
196   const Instruction *getDefOrUser(const Value *Def, const Use *U) const {  in getDefOrUser()
197     if (Def)  in getDefOrUser()
198       return cast<Instruction>(Def);  in getDefOrUser()
504     if (RevIter->Def)  in materializeStack()
514         RenameIter == RenameStack.begin() ? OrigOp : (RenameIter - 1)->Def;  in materializeStack()
530       Result.Def = PIC;  in materializeStack()
541       Result.Def = PIC;  in materializeStack()
544   return RenameStack.back().Def;  in materializeStack()
655       bool ShouldPush = (VD.Def || PossibleCopy);  in renameUses()
669       if (VD.Def || PossibleCopy)  in renameUses()
680       if (!Result.Def)  in renameUses()
681         Result.Def = materializeStack(Counter, RenameStack, Op);  in renameUses()
683       LLVM_DEBUG(dbgs() << "Found replacement " << *Result.Def << " for "  in renameUses()
686       assert(DT.dominates(cast<Instruction>(Result.Def), *VD.U) &&  in renameUses()
688       VD.U->set(Result.Def);  in renameUses()