In large bowl soften cream cheese. Add the 1 cup granulated sugar and vanilla extract, and mix well. Open 1 tube of crescents and unroll, but do not tear apart. Put them in the bottom of a 13 x 9-inch baking pan. Spread cream cheese mixture over crescents. Put the other roll of crescents on top of cream cheese. Melt butter and pour over crescents. Mix the 3/4 cup granulated sugar and cinnamon together. Sprinkle sugar/cinnamon mixture over top and bake at 350 degrees F for 30 minutes.