// 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 <queue>

#include "paddle/cinn/hlir/pass/fusion_helper_base.h"
#include "paddle/cinn/utils/functional.h"

namespace cinn {
namespace hlir {
namespace pass {

// fold fill_constant/const_scalar->broadcast_to ==> fill_constant
void fold_broadcast_to_constant(const FusionHelperBase* helper, Graph* graph, Node* node);

// fold fill_constant->reshape ==> fill_constant
void fold_reshape_fill_constant(const FusionHelperBase* helper, Graph* graph, Node* node);

// fold fill_constant->squeeze ==> fill_constant
void fold_squeeze_fill_constant(const FusionHelperBase* helper, Graph* graph, Node* node);

// fold fill_constant->expand_dims ==> fill_constant
void fold_expand_dims_fill_constant(const FusionHelperBase* helper, Graph* graph, Node* node);

}  // namespace pass
}  // namespace hlir
}  // namespace cinn