// dimensions with max as the reduction function.
//
// Sample result for VALID padding mode:
//
//   %init = arith.constant dense<...> : tensor<i32>
//   %max_pool = "mhlo.reduce"(%inp, %init) ["mhlo.maximum"]
//               {window_dimensions = ..., window_strides = ... }
//
template <typename OpTy, int num_dims>
class ConvertMaxPoolOp : public OpRewritePattern<OpTy> {
 public: