she has come on visit vs she has come for visit

Some examples from the web:

• George, more of your past has come to visit.
• Maybe he really has come to visit the temple.
• My father has come to visit.
• She said don't come visit.
• Your fan from Tokyo has come to visit you.
• Second Mistress, the Fourth Mistress has come to visit.
• I wanted to come visit but...
• You have to promise you'll come visit every weekend.
• I asked her to come visit me.
• I really appreciate you letting me come visit.
• Maybe you could come visit more often.
• Cyril told me in case I wanted to come visit.
• Maybe I could come visit you sometime soon.
• They're people I would've liked to come visit.
• All this time, and you finally come visit.
• She wants you to come visit anyway.
• When you get better, you should come visit.
• You come visit your sister yesterday,
• I actually used to come visit her here during the summer.
• Tell your mom to come visit.

Some examples from the web:

• George, more of your past has come to visit.
• Maybe he really has come to visit the temple.
• My father has come to visit.
• But when she comes for visits, are you allowed to hug her?
• She said don't come visit.
• Your fan from Tokyo has come to visit you.
• Second Mistress, the Fourth Mistress has come to visit.
• Just had to come for a visit.
• Olga Gorev spontaneously decided to come for a visit.
• Tide's turning, time to let Thanos know we've come for a visit.
• And you've come for a visit.
• And you've come for a visit.
• She called last week and invited me to come for a visit.
• Come for a visit, when you have time.
• I wanted to come visit but...
• You have to promise you'll come visit every weekend.
• I asked her to come visit me.
• I really appreciate you letting me come visit.
• Maybe you could come visit more often.
• Cyril told me in case I wanted to come visit.