masahi commented on code in PR #12646: URL: https://github.com/apache/tvm/pull/12646#discussion_r960171729
########## src/relay/analysis/extract_intermediate_expr.cc: ########## @@ -0,0 +1,88 @@ +/* + * 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 extract_intermediate_expr.cc + * \brief Used for extracting Relay Expr + by the expression ID of the main function + that we can see in `print(mod["main"])`. + */ +#include <tvm/node/structural_hash.h> +#include <tvm/relay/analysis.h> +#include <tvm/relay/expr.h> +#include <tvm/relay/expr_functor.h> + +namespace tvm { +namespace relay { + +class ExtractIntermediateExprWrapper : private MixedModeVisitor { + public: + explicit ExtractIntermediateExprWrapper(const IRModule& mod, const int expr_id) + : mod_(mod), target_expr_id_(expr_id), counter_(0) {} + + IRModule Extract() { + VisitExpr(this->mod_->Lookup("main")); + + // ensure the target op num we want to dump is valid. + ICHECK(target_expr_id_ >= 0 && target_expr_id_ < counter_); + + return IRModule::FromExpr(target_op_, {}); + } + + private: + using MixedModeVisitor::VisitExpr_; + + const IRModule mod_; + /*! \brief the OP Number that we want to dump. */ Review Comment: OP Number -> expression ID dump -> extract -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
