gcc/testsuite/gcc.dg/vect/pr63379.c

   1 /* PR tree-optimization/63379  */
   2
   3 #include "tree-vect.h"
   4
   5 extern void abort (void);
   6
   7 typedef struct {
   8     int x;
   9     int y;
  10 } Point;
  11
  12 Point pt_array[25];
  13
  14 void __attribute__((noinline,noclone))
  15 generate_array(void)
  16 {
  17   unsigned int i;
  18   for (i = 0; i<25; i++)
  19     {
  20       pt_array[i].x = i;
  21       pt_array[i].y = 1000+i;
  22     }
  23 }
  24
  25 int main()
  26 {
  27   check_vect ();
  28   generate_array ();
  29   Point min_pt = pt_array[0];
  30   Point *ptr, *ptr_end;
  31   for (ptr = pt_array+1, ptr_end = pt_array+25; ptr != ptr_end; ++ptr)
  32     {
  33       min_pt.x = (min_pt.x < ptr->x) ? min_pt.x : ptr->x;
  34       min_pt.y = (min_pt.y < ptr->y) ? min_pt.y : ptr->y;
  35     }
  36
  37   if (min_pt.x != 0 || min_pt.y != 1000)
  38     abort ();
  39   return 0;
  40 }
  41