1 /* PR tree-optimization/32772 */
2
3 struct S
4 {
5 unsigned long bits[1];
6 };
7
8 void f1 (int, unsigned long *);
9 int f2 (void);
10 int f3 (int, unsigned long *);
11 int f4 (int, unsigned long *);
12
13 static inline __attribute__ ((always_inline))
baz(int x,volatile struct S * y)14 void baz (int x, volatile struct S *y)
15 {
16 f1 (x, y->bits);
17 }
18
19 static int
bar(int x,struct S * y)20 bar (int x, struct S *y)
21 {
22 int n;
23 if (__builtin_constant_p (x) ? f3 (x, y->bits) : f4 (x, y->bits))
24 baz (x, y);
25 for (n = f2 (); n < 8; n = f2 ())
26 f3 (n, y->bits);
27 }
28
29 void
foo(int x,int y)30 foo (int x, int y)
31 {
32 struct S m;
33 while ((y = bar (x, &m)) >= 0);
34 }
35