Gaspar Noé's "Irreversible" is a prime example of an irreversible film, a type of cinema that pushes the boundaries of what audiences are willing to watch. The film's graphic portrayal of violence and sex has sparked intense debate and controversy, but it has also had a lasting impact on cinema. As a work of cinema, "Irreversible" is a powerful and thought-provoking exploration of the consequences of violence and the cyclical nature of revenge, and its influence can still be seen in many films today.