Liveness.LiveFlowtype t = VS.tval pretty : unit -> VS.t -> GoblintCil.Pretty.docval funcExitData : VS.tval combineStmtStartData : GoblintCil.stmt -> old:t -> t -> VS.t optionval doStmt : GoblintCil.stmt -> VS.t DF.actionval doInstr : GoblintCil.instr -> 'a -> VS.t DF.action