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.
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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.