106   Value *Def = nullptr;  member
151     bool isADef = A.Def;  in operator ()()
152     bool isBDef = B.Def;  in operator ()()
161     if (!VD.Def && VD.U) {  in getBlockEdge()
194     bool isADef = A.Def;  in comparePHIRelated()
195     bool isBDef = B.Def;  in comparePHIRelated()
196     assert((!A.Def || !A.U) && (!B.Def || !B.U) &&  in comparePHIRelated()
204     if (VD.Def)  in getMiddleDef()
205       return VD.Def;  in getMiddleDef()
224   const Instruction *getDefOrUser(const Value *Def, const Use *U) const {  in getDefOrUser()
225     if (Def)  in getDefOrUser()
226       return cast<Instruction>(Def);  in getDefOrUser()
550     if (RevIter->Def)  in materializeStack()
560         RenameIter == RenameStack.begin() ? OrigOp : (RenameIter - 1)->Def;  in materializeStack()
565                              : (RenameStack.end() - Start - 1)->Def;  in materializeStack()
586       Result.Def = PIC;  in materializeStack()
601       Result.Def = PIC;  in materializeStack()
604   return RenameStack.back().Def;  in materializeStack()
709       bool ShouldPush = (VD.Def || PossibleCopy);  in renameUses()
723       if (VD.Def || PossibleCopy)  in renameUses()
734       if (!Result.Def)  in renameUses()
735         Result.Def = materializeStack(Counter, RenameStack, Op);  in renameUses()
737       LLVM_DEBUG(dbgs() << "Found replacement " << *Result.Def << " for "  in renameUses()
740       assert(DT.dominates(cast<Instruction>(Result.Def), *VD.U) &&  in renameUses()
742       VD.U->set(Result.Def);  in renameUses()