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paddlepaddle--paddle/paddle/cinn/ir/dim.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 "paddle/cinn/ir/ir_base.h"
#include "paddle/pir/include/dialect/shape/ir/shape_op.h"
#include "paddle/pir/include/dialect/shape/utils/dim_expr.h"
namespace cinn {
namespace ir {
struct _Dim_;
//! Wrapper for _Dim_
class Dim : public IrNodeRef {
public:
Dim() = default;
explicit Dim(IrNode* n) : IrNodeRef(n) {}
operator Expr() const { return Expr(ptr()); }
Dim(const std::string& name, const symbol::DimExpr& sym_dim);
const _Dim_* operator->() const;
_Dim_* operator->();
};
/**
* Definition of _Dim_.
*/
struct _Dim_ : ExprNode<_Dim_> {
//! The name of this struct.
std::string name;
symbol::DimExpr sym_dim;
Expr dim_expr;
bool IsUniSymbolic() const;
std::string ToString() const;
Expr GetDimExpr() const;
static Dim Make(const std::string& name, const symbol::DimExpr& sym_dim);
static const IrNodeTy _node_type_ = IrNodeTy::_Dim_;
};
} // namespace ir
} // namespace cinn