| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| /*! |
| * \file tvm/arithmetic/ir_visitor_with_analyzer.h |
| * \brief IR visitor class with an analyzer context. |
| */ |
| |
| #ifndef TVM_ARITH_IR_VISITOR_WITH_ANALYZER_H_ |
| #define TVM_ARITH_IR_VISITOR_WITH_ANALYZER_H_ |
| |
| #include <tvm/arith/analyzer.h> |
| #include <tvm/tir/expr.h> |
| #include <tvm/tir/stmt_functor.h> |
| |
| namespace tvm { |
| namespace arith { |
| |
| class IRVisitorWithAnalyzer : public tir::StmtExprVisitor { |
| public: |
| PrimExpr Simplify(const PrimExpr& expr) { return analyzer_.Simplify(expr); } |
| |
| using StmtExprVisitor::VisitExpr_; |
| using StmtExprVisitor::VisitStmt_; |
| |
| void VisitStmt_(const tir::ForNode* op); |
| void VisitStmt_(const tir::BlockNode* op); |
| void VisitStmt_(const tir::LetStmtNode* op); |
| void VisitStmt_(const tir::IfThenElseNode* op); |
| void VisitStmt_(const tir::AttrStmtNode* op); |
| void VisitStmt_(const tir::AssertStmtNode* op); |
| void VisitExpr_(const tir::CallNode* op); |
| void VisitExpr_(const tir::LetNode* op); |
| void VisitExpr_(const tir::ReduceNode* op); |
| |
| // IRVisitorWithAnalyzer deliberately does not handle Select nodes, |
| // because both sides of a Select node are visited regardless of the |
| // condition. |
| |
| protected: |
| /*! \brief internal analyzer field. */ |
| arith::Analyzer analyzer_; |
| |
| /*! \brief Extract a constraint from a conditional statement |
| * |
| * Intended for preparing argument for use in |
| * `With<ConstraintContext>`. |
| */ |
| PrimExpr ExtractRealCondition(PrimExpr condition) const; |
| }; |
| |
| } // namespace arith |
| } // namespace tvm |
| #endif // TVM_ARITH_IR_VISITOR_WITH_ANALYZER_H_ |