gcc/testsuite/gcc.dg/vect/no-scevccp-outer-8.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 40
   7
   8
   9 __attribute__ ((noinline)) int
  10 foo (int *a){
  11   int i,j;
  12   int sum;
  13
  14   for (i = 0; i < N; i++) {
  15     sum = 0;
  16     for (j = 0; j < N; j++) {
  17       sum += j;
  18     }
  19     a[i] = sum;
  20   }
  21 }
  22
  23 int main (void)
  24 {
  25   int i,j;
  26   int sum;
  27   int a[N];
  28
  29   check_vect ();
  30
  31   for (i=0; i<N; i++)
  32     a[i] = i;
  33
  34   foo (a);
  35
  36     /* check results:  */
  37   for (i=0; i<N; i++)
  38     {
  39       sum = 0;
  40       for (j = 0; j < N; j++)
  41         sum += j;
  42       if (a[i] != sum)
  43         abort();
  44     }
  45
  46   return 0;
  47 }
  48
  49 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { xfail { ! { vect_element_align } } } } } */
  50 /* { dg-final { cleanup-tree-dump "vect" } } */