an> get_malloc_info_opt : <a href="../../IR/Exp/index.html#type-t">IR.Exp.t</a> <span>&#45;&gt;</span> <span><span>(<a href="../../IR/Typ/index.html#type-t">IR.Typ.t</a> * <span><a href="../../IStdlib/index.html#module-IStd">IStdlib.IStd</a>.Int.t option</span> * <a href="../../IR/Exp/index.html#type-t">IR.Exp.t</a> * <span><a href="../../IR/Exp/index.html#type-t">IR.Exp.t</a> option</span>)</span> option</span></code></dt><dd><p>Return a tuple of malloc information with heuristics:</p><ul><li>type of array