{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"\"i2f.rn\""}]}
                    "i2f.rn" => "__nvvm_i2f_rn",
                    "i2f.rm" => "__nvvm_i2f_rm",
                    "i2f.rp" => "__nvvm_i2f_rp",