zhiics commented on a change in pull request #5206: [REFACTOR][TIR] Introduce ExprDeepEqual, Remove IRDeepCompare URL: https://github.com/apache/incubator-tvm/pull/5206#discussion_r401873821
########## File path: python/tvm/tir/analysis/analysis.py ########## @@ -0,0 +1,57 @@ +# 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. +"""Wrapping existing analysis utils.""" +# pylint: disable=invalid-name + +from . import _ffi_api + + +def expr_deep_equal(lhs, rhs): + """Deeply compare two nested expressions. + + Parameters + ---------- + lhs : PrimExpr + The left operand. + + rhs : PrimExpr + The right operand. + + Returns + ------- + result : bool + The comparison result + + Note + ---- + + This function do not remap variable bindings, it will not + return true for (let x = 1 in x + 1) vs (let y = 1 in y + 1), unless x.same_as(y). + Use py:func:`tvm.ir.structural_equal` to handle structural variable remapping. + + Due to the restriction of not remapping variables, this function can run + faster than StructuralEqual and can be used as an utility function during arithmetic Review comment: a utility ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
