From 34bae98b0d2137afc0d3c5e0f96bc8b4ef8ba6d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9B=BE=E9=9B=A8=E9=AD=94=E7=90=86=E6=B2=99?=
 <lolisa@marisa.moe>
Date: Fri, 24 May 2019 12:50:10 -0700
Subject: [PATCH] [Relay] remove unneeded VisitExpr

---
 src/relay/pass/gradient.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/relay/pass/gradient.cc b/src/relay/pass/gradient.cc
index 5c5ea01ac2f3..91072b31a910 100644
--- a/src/relay/pass/gradient.cc
+++ b/src/relay/pass/gradient.cc
@@ -279,7 +279,7 @@ struct ReverseAD : ExprMutator {
         }
         std::vector<Expr> orig_args;
         for (const auto& arg : args) {
-          orig_args.push_back(GetField(VisitExpr(arg), 0));
+          orig_args.push_back(GetField(arg, 0));
         }
         Expr orig = CallNode::make(op->op, orig_args, op->attrs, op->type_args);
         Var orig_var = ll->Push(orig);