From cf6c325f17c7f8a18fa464c3b898e489f34b4996 Mon Sep 17 00:00:00 2001
From: JYJSXX <liuruibo21@mail.ustc.edu.cn>
Date: Mon, 2 Dec 2024 17:59:05 +0800
Subject: [PATCH] formatting test perf

---
 tests/4-opt/test_perf.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/4-opt/test_perf.sh b/tests/4-opt/test_perf.sh
index 25581f9..bcd3213 100755
--- a/tests/4-opt/test_perf.sh
+++ b/tests/4-opt/test_perf.sh
@@ -22,7 +22,7 @@ check_return_value() {
 
 usage() {
 	cat <<JIANMU
-Usage: $0 test-type
+Usage: $0 [test-type]
 test-type: 'licm' or 'mem2reg'
 JIANMU
 	exit 0
-- 
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