bool lower_quadop_vector(exec_list *instructions, bool dont_lower_swz);
bool lower_clip_distance(exec_list *instructions);
void lower_output_reads(exec_list *instructions);
+void lower_ubo_reference(struct gl_shader *shader, exec_list *instructions);
bool optimize_redundant_jumps(exec_list *instructions);
bool optimize_split_arrays(exec_list *instructions, bool linked);