| /* |
| * 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/te/schedule_pass.h |
| * \brief Collection of Schedule pass functions. |
| * |
| * These passes works on the schedule hyper-graph |
| * and infers information such as bounds, check conditions |
| * read/write dependencies between the IterVar |
| */ |
| #ifndef TVM_TE_SCHEDULE_PASS_H_ |
| #define TVM_TE_SCHEDULE_PASS_H_ |
| |
| #include <tvm/te/schedule.h> |
| #include <tvm/tir/function.h> |
| |
| namespace tvm { |
| namespace te { |
| |
| /*! |
| * \brief To automatically inline the element-wise operations. |
| * |
| * \param sch The schedule to be inlined. |
| */ |
| void AutoInlineElemWise(Schedule sch); |
| |
| /*! |
| * \brief To automatically inline the broadcast operations. |
| * |
| * \param sch The schedule to be inlined. |
| */ |
| void AutoInlineBroarcast(Schedule sch); |
| |
| /*! |
| * \brief To automatically inline operations with injective writes |
| * (i.e. writes without reduction or sequential loops). Note |
| * that in this case, guarantees about contiguity, transpose, stride, |
| * alignemnt and memory footprint in general do not hold. |
| * |
| * \param sch The schedule to be inlined. |
| */ |
| TVM_DLL void AutoInlineInjective(Schedule sch); |
| |
| /*! |
| * \brief Infer the bound of all iteration variables relates to the schedule. |
| * |
| * \param sch The root schedule to infer all the bounds. |
| * \return the result bound of the iteration Variable |
| */ |
| Map<IterVar, Range> InferBound(const Schedule& sch); |
| |
| /*! |
| * \brief Verify if there is any argument bound to compact buffer. |
| * |
| * \param stmt The stmt to be verified. |
| * \return true if there is any buffer_bind_scope attribute found, |
| * otherwise, false. |
| */ |
| bool VerifyCompactBuffer(const Stmt& stmt); |
| |
| /*! |
| * \brief Schedule s' dependent operations. |
| * |
| * \param s The schedule to be realized |
| * \param dom_map The domain of each iter vars. |
| * \param debug_keep_trivial_loop Whether keep trivial loops with extent of 1 during lowering. |
| * This is a debug feature for dataflow/axis analysis. |
| * Note: If this is true, The lowered IR may be incorrect, |
| * because we will also delete the init part of reduction |
| * \return the result Stmt |
| */ |
| Stmt ScheduleOps(Schedule s, Map<IterVar, Range> dom_map, bool debug_keep_trivial_loop); |
| |
| /*! |
| * \brief Postprocessing the Stmt generated by ScheduleOps to create |
| * a PrimFunc that can then be used for further TIR optimizations. |
| * |
| * Perform this translation before running any TIR optimizations. |
| * |
| * List of actions taken by the function: |
| * - Remove occurences of te::Tensor, te::Operation in the IR |
| * and replace them by corresponding IR nodes via tir::Buffer. |
| * - Add annotation of extern buffers using the buffer_map field |
| * in the PrimFunc type. |
| * |
| * \param arg_list Array of Tensor/Var/Buffer arguments to the function. |
| * \param body The body of the function. |
| * \param bindings potential Tensor to Buffer bindings for the Tensors in the body. |
| */ |
| PrimFunc SchedulePostProcToPrimFunc(Array<ObjectRef> arg_list, Stmt body, |
| Optional<Map<Tensor, Buffer>> bindings); |
| |
| } // namespace te |
| } // namespace tvm |
| #endif // TVM_TE_SCHEDULE_PASS_H_ |