| /* { 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" } } */ |