libgomp/testsuite/libgomp.c/pr46193.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-ftree-parallelize-loops=2" } */
   3
   4 extern void abort (void);
   5
   6 char *
   7 foo (int count, char **list)
   8 {
   9   char *minaddr = list[0];
  10   int i;
  11
  12   for (i = 0; i < count; i++)
  13     {
  14       char *addr = list[i];
  15       if (addr < minaddr)
  16         minaddr = addr;
  17     }
  18
  19   return minaddr;
  20 }
  21
  22 char *
  23 foo2 (int count, char **list)
  24 {
  25   char *maxaddr = list[0];
  26   int i;
  27
  28   for (i = 0; i < count; i++)
  29     {
  30       char *addr = list[i];
  31       if (addr > maxaddr)
  32         maxaddr = addr;
  33     }
  34
  35   return maxaddr;
  36 }
  37
  38 #define N 5
  39
  40 static void
  41 init (char **list)
  42 {
  43   int i;
  44   for (i = 0; i < N; ++i)
  45     list[i] = (char *)&list[i];
  46 }
  47
  48 int
  49 main (void)
  50 {
  51   char *list[N];
  52   char * res;
  53
  54   init (list);
  55
  56   res = foo (N, list);
  57
  58   if (res != (char *)&list[0])
  59     abort ();
  60
  61   res = foo2 (N, list);
  62
  63   if (res != (char *)&list[N-1])
  64     abort ();
  65
  66   return 0;
  67 }