llvmpipe: fix texcoord analysis regression
The texcoord component can be specifed by the src registers swizzle or the variable's location_frac field.
Signed-off-by: Brian Paul brianp@vmware.com Fixes: 90d011de ("llvmpipe: fix texcoord analysis in llvmpipe_nir_fn_is_linear_compat()") Closes: #6889 (closed)