From 40e629c17a38882426b9ee643ddd2a9ef1e43e13 Mon Sep 17 00:00:00 2001
From: Andrew Liu <andrewlliu@gmail.com>
Date: Sun, 22 Mar 2020 16:44:20 -0700
Subject: [PATCH] fix unsigned and signed int comparison

---
 src/relay/transforms/gradient_cell.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/relay/transforms/gradient_cell.cc b/src/relay/transforms/gradient_cell.cc
index b891e68c9e3c..0a224908fd74 100644
--- a/src/relay/transforms/gradient_cell.cc
+++ b/src/relay/transforms/gradient_cell.cc
@@ -98,7 +98,7 @@ class InputVisitor: public ExprFunctor<Expr(const Expr&, const Type&)> {
                           {expr}, Attrs(), {type});
     } else if (auto* type_anno = type.as<TupleTypeNode>()) {
       tvm::Array<Expr> fields;
-      for (int i = 0; i < type_anno->fields.size(); i++) {
+      for (size_t i = 0; i < type_anno->fields.size(); i++) {
         const Type& t = type_anno->fields[i];
         fields.push_back(this->VisitExpr(TupleGetItemNode::make(expr, i), t));
       }
@@ -136,7 +136,7 @@ class OutputVisitor: public ExprFunctor<Expr(const Expr&, const Type&)> {
       return expr;
     } else if (auto* type_anno = type.as<TupleTypeNode>()) {
       tvm::Array<Expr> fields;
-      for (int i = 0; i < type_anno->fields.size(); i++) {
+      for (size_t i = 0; i < type_anno->fields.size(); i++) {
         const Type& t = type_anno->fields[i];
         fields.push_back(this->VisitExpr(TupleGetItemNode::make(expr, i), t));
       }