1 /* PR tree-optimization/65215 */
2 
3 struct S { unsigned long long l1 : 24, l2 : 8, l3 : 32; };
4 
5 static inline unsigned int
foo(unsigned int x)6 foo (unsigned int x)
7 {
8   return (x >> 24) | ((x >> 8) & 0xff00) | ((x << 8) & 0xff0000) | (x << 24);
9 }
10 
11 __attribute__((noinline, noclone)) unsigned long long
bar(struct S * x)12 bar (struct S *x)
13 {
14   unsigned long long x1 = foo (((unsigned int) x->l1 << 8) | x->l2);
15   unsigned long long x2 = foo (x->l3);
16   return (x2 << 32) | x1;
17 }
18 
19 int
main()20 main ()
21 {
22   if (__CHAR_BIT__ != 8 || sizeof (unsigned int) != 4 || sizeof (unsigned long long) != 8)
23     return 0;
24   struct S s = { 0xdeadbeU, 0xefU, 0xfeedbea8U };
25   unsigned long long l = bar (&s);
26   if (foo (l >> 32) != s.l3
27       || (foo (l) >> 8) != s.l1
28       || (foo (l) & 0xff) != s.l2)
29     __builtin_abort ();
30   return 0;
31 }
32