// Copyright (c) 2022 CINN Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <string>
#include <unordered_set>

#include "paddle/cinn/ir/ir.h"
#include "paddle/cinn/ir/ir_base.h"
#include "paddle/cinn/ir/ir_schedule.h"
#include "paddle/cinn/ir/lowered_func.h"

namespace cinn {
namespace auto_schedule {

void AnalyzeScheduleBlockReadWriteBuffer(ir::ScheduleBlock* sche_block);

bool ContainsNodeType(ir::Expr expr, const std::unordered_set<ir::IrNodeTy>& node_types);

/**
 * Collects all input lowered_funcs and return names of all output arguments
 */
std::unordered_set<std::string> GetOutputNamesFromLoweredFunc(const std::vector<ir::LoweredFunc>& lowered_funcs);

/**
 * Determine whether a schedule block needs multileveltiling
 */
bool NeedsMultiLevelTiling(const ir::ScheduleBlockRealize& sche_block_realize);

/**
 * Update a LoweredFunc by regenerating related fields with a new function body
 */
ir::LoweredFunc UpdateFuncWithNewBody(const common::Target& target, const ir::LoweredFunc& old_func, ir::Expr& body);

}  // namespace auto_schedule
}  // namespace cinn