(I'm) (so) glad you could come
A phrase directed at one's guests. It was great to see you—I'm so glad you could come!
(I'm) glad you could come.
and (We're) glad you could come,a phrase said by the host or hostess [or both] to a guest. Tom: Thank you so much for having me. Sally: We're glad you could come. John: Yes, we are. Bye. Bill: Bye. Sally: Bye, Bill. Glad you could come.