{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"\"read.ptx.sreg.warpid\""}]}
                    "read.ptx.sreg.warpid" => "__nvvm_read_ptx_sreg_warpid",
                    "read.ptx.sreg.tid.z" => "__nvvm_read_ptx_sreg_tid_z",
                    // [DUPLICATE]: "read.ptx.sreg.warpid" => "__nvvm_read_ptx_sreg_",