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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-forwprop1" } */
typedef int vec __attribute__((vector_size (4 * sizeof (int))));
void f (vec *x1, vec *x2)
{
vec m = { 1, 2, 3, 0 };
vec n = { 3, 0, 1, 2 };
vec y = __builtin_shuffle (*x1, *x2, n);
vec z = __builtin_shuffle (y, m);
*x1 = z;
}
/* { dg-final { scan-tree-dump-not "VEC_PERM_EXPR" "forwprop1" } } */
/* { dg-final { cleanup-tree-dump "forwprop1" } } */
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