{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"builder.call(mapper_fn_ty,"}]}
    builder.call(mapper_fn_ty, register_lib_decl, &[tgt_bin_desc_alloca], None);
    // call void @__tgt_register_lib(ptr noundef %6)
    // call void @__tgt_init_all_rtls()