main/gcc/testsuite/gcc.dg/vect/pr52298.c

   1 /* { dg-options "-O1 -ftree-vectorize -fno-tree-pre -fno-tree-loop-im" } */
   2
   3 extern void abort (void);
   4 int c[80];
   5
   6 __attribute__((noinline)) int
   7 foo (void)
   8 {
   9   int l = 0;
  10   int a, b;
  11
  12   for (a = 3; a >= 0; a--)
  13     for (b = 7; b >= 0; b--)
  14       l |= c[a+60];
  15   return l;
  16 }
  17
  18 int
  19 main ()
  20 {
  21   int i;
  22   for (i = 0; i < 60; i++)
  23     c[i] = 1;
  24   for (; i < 64; i++)
  25     c[i] = 1 << (i - 59);
  26   if (foo () != 30)
  27     abort ();
  28   return 0;
  29 }
  30