32   llvm::ImmutableSet<const VarDecl *>::Factory DSetFact;  member in __anon9166e1760111::LiveVariablesImpl
54         DSetFact(false), // This is a *major* performance win.  in LiveVariablesImpl()
111     DSetRefA(valsA.liveDecls.getRootWithoutRetain(), DSetFact.getTreeFactory()),  in merge()
112     DSetRefB(valsB.liveDecls.getRootWithoutRetain(), DSetFact.getTreeFactory());  in merge()
249         val.liveDecls = LV.DSetFact.add(val.liveDecls,  in Visit()
354             val.liveDecls = LV.DSetFact.remove(val.liveDecls, HV);  in VisitBinaryOperator()
361           val.liveDecls = LV.DSetFact.remove(val.liveDecls, VD);  in VisitBinaryOperator()
376     val.liveDecls = LV.DSetFact.add(val.liveDecls, VD);  in VisitBlockExpr()
386         val.liveDecls = LV.DSetFact.add(val.liveDecls, HV);  in VisitDeclRefExpr()
392       val.liveDecls = LV.DSetFact.add(val.liveDecls, VD);  in VisitDeclRefExpr()
401           val.liveDecls = LV.DSetFact.remove(val.liveDecls, HV);  in VisitDeclStmt()
408       val.liveDecls = LV.DSetFact.remove(val.liveDecls, DD);  in VisitDeclStmt()
411         val.liveDecls = LV.DSetFact.remove(val.liveDecls, VD);  in VisitDeclStmt()
430     val.liveDecls = LV.DSetFact.remove(val.liveDecls, VD);  in VisitObjCForCollectionStmt()
496       val.liveDecls = DSetFact.add(val.liveDecls, Dtor->getVarDecl());  in runOnBlock()