si_builder.h

Go to the documentation of this file.

/*
 * 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.
 */
 
#ifndef TVM_IR_SI_BUILDER_H_
#define TVM_IR_SI_BUILDER_H_
 
#include <tvm/relay/expr.h>
#include <tvm/relay/expr_functor.h>
#include <tvm/tir/stmt.h>
 
#include <memory>
#include <unordered_set>
 
namespace tvm {
 
class SIBuilder {
 public:
  explicit SIBuilder(const Span& span = Span());
 
  explicit SIBuilder(const Array<Span>& spans = Array<Span>());
  explicit SIBuilder(const std::initializer_list<Span>& init);
 
  template <typename T, typename = std::enable_if_t<std::is_base_of<BaseExpr, T>::value>>
  explicit SIBuilder(const T& entry, const tvm::Array<T>& inputs = {});
  explicit SIBuilder(const tir::Stmt& entry, const tvm::Array<PrimExpr>& inputs = {});
  explicit SIBuilder(const tir::Stmt& entry, const tvm::Array<tir::Stmt>& inputs = {});
 
  ~SIBuilder();
 
  SIBuilder(const SIBuilder&) = delete;
  SIBuilder& operator=(const SIBuilder&) = delete;
 
  Span Build() const;
 
  template <typename T, typename = std::enable_if_t<std::is_base_of<BaseExpr, T>::value>>
  void RecursivelyFillSpan(
      const T& entry, const std::unordered_set<T, ObjectPtrHash, ObjectPtrEqual>& inputs) const;
 
  void RecursivelyFillSpan(
      const tir::Stmt& entry,
      const std::unordered_set<PrimExpr, ObjectPtrHash, ObjectPtrEqual>& inputs) const;
  void RecursivelyFillSpan(
      const tir::Stmt& entry,
      const std::unordered_set<tir::Stmt, ObjectPtrHash, ObjectPtrEqual>& inputs) const;
 
 private:
  struct Impl;
  std::unique_ptr<Impl> impl_;
 
  std::unique_ptr<Impl> CreateImpl(const Span& span);
};
 
}  // namespace tvm
 
#endif  // TVM_IR_SI_BUILDER_H_