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/* { dg-options "-O2 -ftree-vectorize -fno-vect-cost-model -fno-tree-scev-cprop -fgraphite-identity" } */

/* { dg-require-effective-target vect_int } */

/* gcc.dg/vect/no-scevccp-outer-4.c was miscompiled by Graphite.

   Adding it here to always test it with Graphite.  */

#include <stdarg.h>

extern void abort ();

#define N 40

int a[N];

/* induction variable k advances through inner and outer loops.  */

__attribute__ ((noinline)) int

foo (int n){

  int i,j,k=0;

  int sum;

  if (n<=0)

    return 0;

  for (i = 0; i < N; i++) {

    sum = 0;

    for (j = 0; j < n; j+=2) {

      sum += k++;

    }

    a[i] = sum + j;

  }

}

int main (void)

{

  int i,j,k=0;

  int sum;

  for (i=0; i<N; i++)

    a[i] = i;

  foo (N);

    /* check results:  */

  for (i=0; i<N; i++)

    {

      sum = 0;

      for (j = 0; j < N; j+=2)

        sum += k++;

      if (a[i] != sum + j)

        abort();

    }

  return 0;

}