nir: rename to nir_opt_16bit_tex_image
Not sure what I was thinking when I wrote this pass (probably not much), but opt makes more sense and matches other nir passes. Fold is usually used for constants, and this pass handles more than those.
Not sure what I was thinking when I wrote this pass (probably not much), but opt makes more sense and matches other nir passes. Fold is usually used for constants, and this pass handles more than those.