1 /* { dg-do run } */
2 /* { dg-options "-O2 -fdump-tree-strlen" } */
3 
4 #include "strlenopt.h"
5 
6 __attribute__((noinline, noclone)) size_t
fn1(char * p,const char * r)7 fn1 (char *p, const char *r)
8 {
9   size_t len1 = strlen (r);
10   char *q = strchr (p, '\0');
11   *q = '\0';
12   return len1 - strlen (r); // This strlen should be optimized into len1.
13 }
14 
15 int
main(void)16 main (void)
17 {
18   char p[] = "foobar";
19   const char *volatile q = "xyzzy";
20   fn1 (p, q);
21   return 0;
22 }
23 
24 /* { dg-final { scan-tree-dump-times "strlen \\(" 1 "strlen" } } */
25 /* { dg-final { cleanup-tree-dump "strlen" } } */
26