(MHLO_ClampOp (MHLO_ConstantOp (GetScalarOfType<0> $input)), $input,
                       (MHLO_ConstantOp (GetScalarOfType<6> $input))),
          [(TF_IntOrFpTensor $input)]>;

// ReluGrad(gradients, features) = gradients * (features > 0)
// The condition that $gradients and $features need to have the same shape is
// implicitly enforced: $zero is created to have the same shape as $features,