test/expect/TestJit.test_cse.expect

graph(%0 : Double(2)
      %1 : Double(2)) {
  %2 : Double(2) = add[alpha={1}](%0, %1)
  %3 : Double(2) = mul(%2, %2)
  %4 : Double(2) = mul(%3, %2)
  %5 : Double(2) = tanh(%4)
  %6 : Double(2) = add[alpha={1}](%5, %5)
  %7 : Double(2) = add[alpha={1}](%4, %6)
  return (%7);
}