I have R9 390. Tried both 17.5.1 and 17.4.3 drivers. Basically recording with ReLive results in a video where game runs at like 2FPS but cursor is smooth.
Before it started doing this, I could see the ReLive overlay in-game, now I can't see it, I'm sure it's related. This is a ReLive issue, since recording using OBS VCE works fine.
My process went like this - was using 17.5.1 when suddenly the issue happened, so I uninstalled drivers using DDU and installed 17.4.3 which worked fine. 1 day later the same thing happened.