).astype(np.float32)

    class TwoMatmulModel(module.Module):
      """A model with two matmul ops."""

      @def_function.function
      def matmul(self, input_tensor: core.Tensor) -> Mapping[str, core.Tensor]:
        """Performs a matrix multiplication.

        Args:
          input_tensor: Input tensor to matmul with the filter.

        Returns:
          A 'output' -> output tensor mapping
        """

    return success();
  }
};

// Lowers `SparseMatMulOp` to `MatMulOp`, ignoring the sparseness hints,
// since we currently don't have an implementation that can use this
// information. Adds appropriate casts where necessary to align element types
// of operands and result for `MatMulOp`.
class LowerSparseMatMulOp : public RewritePattern {
 public:

  %7 = "tf.Reshape"(%6, %cst_2) {device = "/job:localhost/replica:0/task:0/device:CPU:0"} : (tensor<9xf32>, tensor<2xi32>) -> tensor<3x3xf32>
  %8 = "tf.MatMul"(%2, %7) {device = "/job:localhost/replica:0/task:0/device:CPU:0", transpose_a = false, transpose_b = false} : (tensor<3x3xf32>, tensor<3x3xf32>) -> tensor<3x3xf32>