gcc/testsuite/gcc.dg/vect/no-scevccp-outer-12.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 64
   7
   8 int a[N];
   9 short b[N];
  10
  11 __attribute__ ((noinline)) int
  12 foo (){
  13   int i,j;
  14   int sum;
  15
  16   for (i = 0; i < N; i++) {
  17     sum = 0;
  18     for (j = 0; j < N; j++) {
  19       sum += j;
  20     }
  21     a[i] = sum;
  22     b[i] = (short)sum;
  23   }
  24 }
  25
  26 int main (void)
  27 {
  28   int i,j;
  29   int sum;
  30
  31   check_vect ();
  32
  33   foo ();
  34
  35     /* check results:  */
  36   for (i=0; i<N; i++)
  37     {
  38       sum = 0;
  39       for (j = 0; j < N; j++)
  40         sum += j;
  41       if (a[i] != sum  || b[i] != (short)sum)
  42         abort();
  43     }
  44
  45   return 0;
  46 }
  47
  48 /* Until we support multiple types in the inner loop  */
  49 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { xfail *-*-* } } } */