{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"\"i2f.rp\""}]}
                    "i2f.rp" => "__nvvm_i2f_rp",
                    "i2f.rn" => "__nvvm_i2f_rn",
                    "i2f.rz" => "__nvvm_i2f_rz",