| /* |
| * 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. |
| */ |
| |
| #include <gtest/gtest.h> |
| #include <tvm/node/structural_equal.h> |
| #include <tvm/relay/analysis.h> |
| #include <tvm/relay/expr.h> |
| #include <tvm/relay/transform.h> |
| #include <tvm/relay/type.h> |
| #include <tvm/te/operation.h> |
| |
| TEST(Relay, SelfReference) { |
| using namespace tvm; |
| auto tensor_type = relay::TensorType({}, DataType::Bool()); |
| auto x = relay::Var("x", relay::Type()); |
| auto f = relay::Function(tvm::Array<relay::Var>{x}, x, relay::Type(), {}); |
| ICHECK(f->IsInstance<BaseFuncNode>()); |
| auto y = relay::Var("y", tensor_type); |
| auto call = relay::Call(f, Array<relay::Expr>{y}); |
| auto fx = relay::Function(tvm::Array<relay::Var>{y}, call, relay::Type(), {}); |
| auto mod = IRModule::FromExpr(fx); |
| mod = relay::transform::InferType()(mod); |
| auto type_fx = mod->Lookup("main"); |
| |
| auto expected = relay::FuncType(tvm::Array<relay::Type>{tensor_type}, tensor_type, {}, {}); |
| ICHECK(tvm::StructuralEqual()(type_fx->checked_type(), expected)); |
| } |