test/expect/TestJit.test_trace_tuple.expect

graph(%x : Double(2, 2)
      %1 : Tuple) {
  %2 : Double(2, 2), %3 : Double(2, 2) = prim::TupleUnpack(%1)
  %4 : Double(2, 2) = aten::mul(%x, %3)
  %5 : Double(2, 2) = aten::mul(%x, %2)
  %6 : Tuple = prim::TupleConstruct(%4, %5)
  return (%x, %6);
}