gcc/testsuite/gcc.dg/strlenopt-25.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fdump-tree-strlen" } */
   3
   4 #include "strlenopt.h"
   5
   6 int
   7 main ()
   8 {
   9   char p[] = "foobar";
  10   int len, len2;
  11   len = strlen (p);
  12   p[0] = 'O';
  13   len2 = strlen (p);
  14   return len - len2;
  15 }
  16
  17 /* { dg-final { scan-tree-dump-times "strlen \\(" 0 "strlen" } } */
  18 /* { dg-final { cleanup-tree-dump "strlen" } } */