If I assign the pin to input like I want to leave a gate floating or not effect it’s pull-up /pull-down or I don’t get to chose because I am in an unprogrammed

If I assign the pin to input like I want to leave a gate floating or not effect it’s pull-up /pull-down or I don’t get to chose because I am in an unprogrammed or reset state… then what happens? Input on a pin tied to gate happens all the time.