249       if (b->func->start_block == NULL) {  in vtn_cfg_handle_prepass_instruction()
283       if (b->func->start_block == NULL) {  in vtn_cfg_handle_prepass_instruction()
288          b->func->start_block = b->block;  in vtn_cfg_handle_prepass_instruction()
513    struct vtn_block *start_block;  member
521                       struct vtn_block *start_block)  in vtn_add_cfg_work_item()  argument
526    work->start_block = start_block;  in vtn_add_cfg_work_item()
887                             func->start_block);  in vtn_build_cfg()
894          for (struct vtn_block *block = work->start_block; block; ) {  in vtn_build_cfg()
1304    func->start_block->block = nir_start_block(func->nir_func->impl);  in vtn_emit_cf_func_unstructured()
1305    list_addtail(&func->start_block->node.link, &work_list);  in vtn_emit_cf_func_unstructured()
1430    vtn_foreach_instruction(b, func->start_block->label, func->end,  in vtn_function_emit()