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/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-forwprop1-details -Wno-psabi" } */
/* { dg-additional-options "-msse2" { target i?86-*-* x86_64-*-* } } */
typedef int vec __attribute__((vector_size(16)));
vec f1_p_v_in, f1_sel00, f1_sel11, f1_sel, f1_v_out_2;
void f1() {
vec v_1, v_2, v_x, v_y;
v_1 = __builtin_shuffle(f1_p_v_in, f1_sel00);
v_2 = __builtin_shuffle(f1_p_v_in, f1_sel11);
v_x = v_2 - v_1;
v_y = v_1 + v_2;
f1_v_out_2 = __builtin_shuffle(v_y, v_x, f1_sel);
}
/* Won't blend because masks (e.g. f1_sel00) are not VECTOR_CSTs. */
/* { dg-final { scan-tree-dump-not "Vec perm simplify sequences have been merged" "forwprop1" } } */
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