wehub-resource-sync
118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
// Copyright (c) 2024 PaddlePaddle 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 <unordered_set>
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#include "paddle/common/union_find_set.h"
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#include "paddle/pir/include/dialect/shape/utils/dim_expr.h"
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namespace symbol {
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class IR_API ConstraintsManager {
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public:
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ConstraintsManager() = default;
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ConstraintsManager(const ConstraintsManager&) = delete;
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ConstraintsManager(ConstraintsManager&&) = delete;
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void AddEqCstr(const DimExpr& lhs, const DimExpr& rhs);
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bool IsEqual(const DimExpr& lhs, const DimExpr& rhs) const;
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void AddGTOneCstr(const DimExpr& dim_expr);
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bool IsGTOne(const DimExpr& dim_expr) const;
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void AddBroadcastableCstr(const DimExpr& lhs, const DimExpr& rhs);
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bool IsBroadcastable(const DimExpr& lhs, const DimExpr& rhs) const;
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struct Range {
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std::int64_t min;
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std::int64_t max;
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// TODO(Hongqing-work): Substitute INT32_MAX with a more meaningful value.
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Range() : min(1), max(INT32_MAX) {}
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Range(int min_val, int max_val) : min(min_val), max(max_val) {}
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};
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void AddInputRangeCstr(const DimExpr& dim_expr, const Range& range);
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bool IsBoundedInput(const DimExpr& dim_expr) const;
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const Range& GetRangeOfBoundedInput(const DimExpr& dim_expr) const;
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using EqualConstraints = common::UnionFindSet<DimExpr>;
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using GTOneConstraints = std::unordered_set<DimExpr>;
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using BroadcastableConstraints = std::unordered_set<Broadcastable<DimExpr>>;
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using InputRangeConstraints = std::unordered_map<DimExpr, Range>;
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void VisitEqualClusters(
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const std::function<void(const std::vector<DimExpr>&)>& DoEachCluster)
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const;
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void EqualConstraintsVisitor(
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const std::function<void(std::unordered_map<DimExpr, DimExpr>::iterator)>&
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DoEach);
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void GTOneConstraintsVisitor(
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const std::function<void(GTOneConstraints::iterator)>& DoEach);
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void GTOneConstraintsVisitor(
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const std::function<void(GTOneConstraints::const_iterator)>& DoEach)
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const;
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void BroadcastableConstraintsVisitor(
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const std::function<void(BroadcastableConstraints::iterator)>& DoEach);
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void BroadcastableConstraintsVisitor(
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const std::function<void(BroadcastableConstraints::const_iterator)>&
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DoEach) const;
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void InputRangeConstraintsVisitor(
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const std::function<void(InputRangeConstraints::iterator)>& DoEach);
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void InputRangeConstraintsVisitor(
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const std::function<void(InputRangeConstraints::const_iterator)>& DoEach)
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const;
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using EqualCallbackFunc = std::function<void(const DimExpr&, const DimExpr&)>;
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void SetEqualCallbackFunc(EqualCallbackFunc equal_callback_func);
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const EqualConstraints& equals() const { return equals_; }
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const GTOneConstraints& gtones() const { return gtones_; }
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const BroadcastableConstraints& broadcastables() const {
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return broadcastables_;
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}
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const InputRangeConstraints& input_ranges() const { return input_ranges_; }
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private:
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void SubstituteInConstraint(const DimExpr& lhs, const DimExpr& rhs);
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private:
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EqualCallbackFunc equal_callback_func_ = nullptr;
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EqualConstraints equals_;
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GTOneConstraints gtones_;
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BroadcastableConstraints broadcastables_;
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InputRangeConstraints input_ranges_;
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};
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std::ostream& operator<<(std::ostream& os,
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const ConstraintsManager& constraints_manager);
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} // namespace symbol
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