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paddlepaddle--paddle/paddle/cinn/optim/replace_mod_to_max.h
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2026-07-13 12:40:42 +08:00

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// Copyright (c) 2023 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 "paddle/cinn/ir/ir.h"
namespace cinn {
namespace optim {
/**
* Given Expr AST, analyze the range of N % M will return M - 1.
* This function is used to replace the mod operation with max.
*
* Note: the replacement will change the semantics of the AST.
* It is only used for analyze, not computing.
*/
void ReplaceModToMax(ir::Expr* expr);
} // namespace optim
} // namespace cinn