{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"\"implicitarg.ptr\""}]}
                    "implicitarg.ptr" => "__builtin_amdgcn_implicitarg_ptr",
                    "implicit.buffer.ptr" => "__builtin_amdgcn_implicit_buffer_ptr",
                    "interp.mov" => "__builtin_amdgcn_interp_mov",