I have my entire photo in my iPhone synced to Gphotos. I also ran the "Free space" in my iOS GPhotos app to free up space. Now I am afraid of locking out of Goo

I have my entire photo in my iPhone synced to Gphotos. I also ran the "Free space" in my iOS GPhotos app to free up space. Now I am afraid of locking out of Google and my photos are gone.