{"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
            let vec_i32_ty = self.type_vector(self.type_i32(), num_elts as u64);
            let vec = self.insert_element(undef, elt, self.cx.const_i32(0));
            self.shuffle_vector(vec, undef, self.const_null(vec_i32_ty))