code: def test_op_ptx_cp_async():
      buffer_shared = tir.decl_buffer(
          [16, 16], "float16", scope="shared"
      )
      buffer_local = tir.decl_buffer([8], "float16", scope="local")
      expr = tir.ptx_cp_async(
          "float16", buffer_shared.data, 0, buffer_local.data, 0, 16
      )
      assert expr.op.name == "tir.ptx_cp_async"
  
imports: import tvm
  import tvm.testing
  from tvm import tir
label_desc: Use image node_id 25 for calling a global function with example usage: test_op_ptx_cp_async() without return types