95   isl::union_set Live = LastWriteIterations.range();  in getLiveOut()  local
97   Live = Live.unite(MayWrites.domain());  in getLiveOut()
98   return Live.coalesce();  in getLiveOut()
114   isl::union_set Live = getLiveOut(S);  in runDeadCodeElimination()  local
120     Live = Live.affine_hull();  in runDeadCodeElimination()
127     isl::union_set Extra = Live.apply(Dep);  in runDeadCodeElimination()
129     if (Extra.is_subset(Live))  in runDeadCodeElimination()
132     Live = Live.unite(Extra);  in runDeadCodeElimination()
136       Live = Live.affine_hull();  in runDeadCodeElimination()
139     Live = Live.intersect(OriginalDomain);  in runDeadCodeElimination()
142   Live = Live.coalesce();  in runDeadCodeElimination()
144   return S.restrictDomains(Live);  in runDeadCodeElimination()