gcc/testsuite/gcc.dg/vect/no-scevccp-noreassoc-outer-2.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 40
   7 int a[200*N+N];
   8
   9 __attribute__ ((noinline)) void
  10 foo (){
  11   int i,j;
  12   int sum,s=0;
  13
  14   for (i = 0; i < 200*N; i++) {
  15     sum = 0;
  16     for (j = 0; j < N; j++) {
  17       sum += (i + j);
  18       i++;
  19     }
  20     a[i] = sum;
  21   }
  22 }
  23
  24 int main (void)
  25 {
  26   int i,j,k=0;
  27   int sum,s=0;
  28
  29   check_vect ();
  30
  31   foo ();
  32
  33     /* check results:  */
  34   for (i=0; i<200*N; i++)
  35     {
  36       sum = 0;
  37       for (j = 0; j < N; j++){
  38         sum += (j + i);
  39         i++;
  40       }
  41       if (a[i] != sum)
  42         abort ();
  43     }
  44
  45   return 0;
  46 }
  47
  48 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { xfail *-*-* } } } */
  49 /* { dg-final { cleanup-tree-dump "vect" } } */