From 7530d24352ff5f262f26f3d1c018879af55be22b Mon Sep 17 00:00:00 2001
From: hlu1 <14827759+hlu1@users.noreply.github.com>
Date: Fri, 12 Jun 2020 08:24:29 -0700
Subject: [PATCH] [Topi] pass-by-value -> pass-by-const-reference (#5783)

---
 topi/include/topi/generic/default.h | 4 ++--
 topi/include/topi/generic/extern.h  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/topi/include/topi/generic/default.h b/topi/include/topi/generic/default.h
index c44bc69190f4..403b943a16e6 100644
--- a/topi/include/topi/generic/default.h
+++ b/topi/include/topi/generic/default.h
@@ -43,7 +43,7 @@ namespace generic {
  *
  * \return A schedule for the given ops.
  */
-inline Schedule default_schedule(const Target& target, Array<Tensor> outs) {
+inline Schedule default_schedule(const Target& target, const Array<Tensor>& outs) {
   Array<Operation> out_ops;
   for (auto t : outs) {
     out_ops.push_back(t->op);
@@ -61,7 +61,7 @@ inline Schedule default_schedule(const Target& target, Array<Tensor> outs) {
  *
  * \return A schedule for the given ops.
  */
-inline Schedule default_schedule_auto_inline(const Target& target, Array<Tensor> outs) {
+inline Schedule default_schedule_auto_inline(const Target& target, const Array<Tensor>& outs) {
   Array<Operation> out_ops;
   for (auto t : outs) {
     out_ops.push_back(t->op);
diff --git a/topi/include/topi/generic/extern.h b/topi/include/topi/generic/extern.h
index 6e5507b4e77b..3954ac69ada8 100644
--- a/topi/include/topi/generic/extern.h
+++ b/topi/include/topi/generic/extern.h
@@ -44,7 +44,7 @@ namespace generic {
  *
  * \return A schedule for the op.
  */
-inline Schedule schedule_extern(const Target& target, Array<Tensor> outs) {
+inline Schedule schedule_extern(const Target& target, const Array<Tensor>& outs) {
   Array<Operation> out_ops;
   for (auto t : outs) {
     out_ops.push_back(t->op);