wehub-resource-sync
44 lines
2.0 KiB
C++
44 lines
2.0 KiB
C++
// Copyright (c) 2024 CINN Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <optional>
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#include <unordered_map>
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#include <vector>
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#include "paddle/cinn/common/integer_set.h"
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#include "paddle/cinn/ir/ir.h"
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#include "paddle/cinn/ir/ir_base.h"
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#include "paddle/cinn/ir/ir_mutator.h"
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namespace cinn {
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namespace common {
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// `MergeMulMod` is used to simplify the expression for Max Level of
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// `IndexExpr::OptLevel` When it simplifies addition, because of the commutative
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// law, it collects all the operands of addition and then tries to simplify each
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// element. It has a time complexity of O3 and cannot be enabled by default for
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// performance reasons.
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ir::IndexExpr MergeMulMod(const ir::IndexExpr& expr);
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std::optional<ir::IndexExpr> SimplifyCornerCase(const ir::IndexExpr& expr);
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std::optional<ir::IndexExpr> SimplifyAddCornerCase(const ir::IndexExpr& lhs,
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const ir::IndexExpr& rhs);
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std::optional<ir::IndexExpr> SimplifyMulCornerCase(const ir::IndexExpr& lhs,
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const ir::IndexExpr& rhs);
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std::optional<ir::IndexExpr> SimplifyDivCornerCase(const ir::IndexExpr& lhs,
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const ir::IndexExpr& rhs);
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std::optional<ir::IndexExpr> SimplifyModCornerCase(const ir::IndexExpr& lhs,
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const ir::IndexExpr& rhs);
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} // namespace common
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} // namespace cinn
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