{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"llargs.push(bx.const_undef(bx.reg_backend_type(&Reg::i32())));"}]}
                llargs.push(bx.const_undef(bx.reg_backend_type(&Reg::i32())));
                // Fill padding with undef value, where applicable.
            }