agx: Constant fold when optimizing int64
Otherwise we can get bcsel(false, ...) in the final optimized code, which isn't great.
Signed-off-by: Alyssa Rosenzweig alyssa@rosenzweig.io
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Otherwise we can get bcsel(false, ...) in the final optimized code, which isn't great.
Signed-off-by: Alyssa Rosenzweig alyssa@rosenzweig.io