gcc/testsuite/gcc.dg/vect/vect-cond-2.c

   1 /* { dg-require-effective-target vect_condition } */
   2
   3 #include "tree-vect.h"
   4
   5 #define N 16
   6
   7 int c[N] = {3,2,1,10,1,42,3,4,50,9,32,8,11,10,1,2};
   8 int a[N+1] = {0,16,32,48,64,128,256,512,0,16,32,48,64,128,256,512,1024};
   9
  10 __attribute__ ((noinline)) void
  11 foo (int *x)
  12 {
  13   int i;
  14   int curr_a, flag, next_a;
  15
  16   curr_a = a[0];
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       flag = *x > c[i];
  21       next_a = a[i+1];
  22       curr_a = flag ? curr_a : next_a;
  23     }
  24
  25   *x = curr_a;
  26 }
  27
  28 int main (void)
  29 {
  30   int x = 7;
  31
  32   check_vect ();
  33
  34   foo (&x);
  35
  36   if (x != 256)
  37     abort ();
  38
  39   return 0;
  40 }
  41
  42 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */