bool do_vec_index_to_cond_assign(exec_list *instructions);
bool do_vec_index_to_swizzle(exec_list *instructions);
bool lower_discard(exec_list *instructions);
-bool lower_discard_flow(exec_list *instructions);
+void lower_discard_flow(exec_list *instructions);
bool lower_instructions(exec_list *instructions, unsigned what_to_lower);
bool lower_noise(exec_list *instructions);
bool lower_variable_index_to_cond_assign(exec_list *instructions,
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);