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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;
}
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