Punck Bowl Cake

1 box butter cake mix
1 (15 oz) can crushed pineapple
1 (15 oz) can cherry pie filling
1 large box instant vanilla pudding
1 (16 oz) container whip topping, thawed
1 cup chopped pecans

Bake cake according to instructions on box. Divide into three parts. Crumble first part in bottom of punch bowl. Pour prepared vanilla pudding over it. Crumble second part of cake on top of pudding, and then add pineapple over it. Crumble third part of cake, and then pour pie filling over that. Then spread topping on top. Shake nuts on top. Chill until ready to serve.