# 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. import tvm from tvm import relay from tvm.relay import ExprFunctor, ExprMutator, ExprVisitor def check_visit(expr): try: ef = ExprFunctor() ef.visit(expr) assert False except NotImplementedError: pass ev = ExprVisitor() ev.visit(expr) em = ExprMutator() assert em.visit(expr) def test_constant(): check_visit(relay.const(1.0)) def test_tuple(): t = relay.Tuple([relay.var('x', shape=())]) check_visit(t) def test_var(): v = relay.var('x', shape=()) check_visit(v) def test_global(): v = relay.GlobalVar('f') check_visit(v) def test_function(): x = relay.var('x', shape=()) y = relay.var('y', shape=()) params = [x, y] body = x + y ret_type = relay.TensorType(()) type_params = [] attrs = None # How to build? f = relay.Function( params, body, ret_type, type_params, attrs ) check_visit(f) def test_call(): x = relay.var('x', shape=()) y = relay.var('y', shape=()) call = relay.op.add(x, y) check_visit(call) def test_let(): x = relay.var('x', shape=()) value = relay.const(2.0) body = x + x l = relay.Let(x, value, body) check_visit(l) def test_ite(): cond = relay.var('x', shape=(), dtype='bool') ite = relay.If(cond, cond, cond) check_visit(ite) def test_get_item(): t = relay.Tuple([relay.var('x', shape=())]) t = relay.TupleGetItem(t, 0) check_visit(t) def test_ref_create(): r = relay.expr.RefCreate(relay.const(1.0)) check_visit(r) def test_ref_read(): ref = relay.expr.RefCreate(relay.const(1.0)) r = relay.expr.RefRead(ref) check_visit(r) def test_ref_write(): ref = relay.expr.RefCreate(relay.const(1.0)) r = relay.expr.RefWrite(ref, relay.const(2.0)) check_visit(r) def test_memo(): expr = relay.const(1) for _ in range(100): expr = expr + expr check_visit(expr) if __name__ == "__main__": test_constant() test_tuple() test_var() test_global() test_function() test_call() test_let() test_ite() test_ref_create() test_ref_read() test_ref_write() test_memo()