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/* PR tree-optimization/87320 */
/* { dg-do run } */
/* { dg-require-effective-target alloca } */
/* { dg-options "-O3" } */
/* { dg-additional-options "-mavx" { target avx_runtime } } */
static void __attribute__ ((noinline))
transpose_vector (unsigned long n)
{
unsigned long data[2 * n];
for (unsigned long i = 0; i < 2 * n; i++)
data[i] = 4 * i + 2;
unsigned long transposed[n];
for (unsigned long i = 0; i < n; i++)
transposed[i] = data[2 * i];
for (unsigned long i = 0; i < n; i++)
if (transposed[i] != 8 * i + 2)
__builtin_abort ();
}
int
main ()
{
transpose_vector (4);
transpose_vector (120);
return 0;
}
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