// 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:

    // CHECK-NEXT: %[[LEAKY:.*]] = mhlo.multiply %[[INP:.*]], %[[ALPHA]] : tensor<1x4x4x3xf32>
    // CHECK-NEXT: %[[CMP:.*]] = mhlo.compare GT, %[[INP]], %[[ZERO]], NOTYPE : (tensor<1x4x4x3xf32>, tensor<1x4x4x3xf32>) -> tensor<1x4x4x3xi1>
    // CHECK-NEXT: %[[RES:.*]] = mhlo.select %[[CMP]], %[[INP]], %[[LEAKY]] : tensor<1x4x4x3xi1>, tensor<1x4x4x3xf32>
    // CHECK-NEXT: return %[[RES]] : tensor<1x4x4x3xf32>