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#define N 100
void __attribute__ ((noipa))
foo (int *out, int *in, int step)
{
for (int i = 0; i < N; ++i)
{
out[0] = in[i];
out[1] = 2;
out += step;
}
}
int in[N];
int out[N * 2];
int
main (void)
{
for (int i = 0; i < N; ++i)
{
in[i] = i * (i + 1);
asm volatile ("" ::: "memory");
}
foo (out, in, 1);
#pragma GCC novector
for (int i = 0; i < N; ++i)
if (out[i] != in[i])
__builtin_abort ();
if (out[N] != 2)
__builtin_abort ();
foo (out + N - 1, in, -1);
if (out[0] != in[N - 1])
__builtin_abort ();
#pragma GCC novector
for (int i = 1; i <= N; ++i)
if (out[i] != 2)
__builtin_abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 1 "vect" { target { { ! vect_no_align } && vect_int } } } } */
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