diff --git a/gcc/testsuite/gcc.target/arm/epilog-1.c b/gcc/testsuite/gcc.target/arm/epilog-1.c
index f97f1ebeaaf3e..a151645646069 100644
--- a/gcc/testsuite/gcc.target/arm/epilog-1.c
+++ b/gcc/testsuite/gcc.target/arm/epilog-1.c
@@ -2,16 +2,34 @@
 /* { dg-do compile } */
 /* { dg-options "-mthumb -Os" } */
 /* { dg-require-effective-target arm_thumb2_ok } */
+/* { dg-final { check-function-bodies "**" "" } } */
 
 volatile int g_k;
 extern void bar(int, int, int, int);
 
+/*
+** foo:
+** ...
+** (
+
+Below block is for non-armv8.1-m.main
+**	lsls	r[0-9]+, r[0-9]+, #29
+**	it	mi
+**	addmi	r2, r2, #1
+
+** |
+
+Below block is for armv8.1-m.main
+**	tst	r[0-9]+, #4
+**	csinc	r2, r2, r2, eq
+
+** )
+**	bl	bar
+** ...
+*/
 int foo(int a, int b, int c, int d)
 {
   if (g_k & 4) c++;
   bar (a, b, c, d);
   return 0;
 }
-
-/* { dg-final { scan-assembler-times "lsls.*#29" 1 } } */
-/* { dg-final { scan-assembler-not "tst" } } */