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/* PR rtl-optimization/49390 */
struct S { unsigned int s1; unsigned int s2; };
struct T { unsigned int t1; struct S t2; };
struct U { unsigned short u1; unsigned short u2; };
struct V { struct U v1; struct T v2; };
struct S a;
char *b;
union { char b[64]; struct V v; } u;
volatile int v;
extern void abort (void);
__attribute__((noinline, noclone)) void
foo (int x, void *y, unsigned int z, unsigned int w)
{
if (x != 4 || y != (void *) &u.v.v2)
abort ();
v = z + w;
v = 16384;
}
__attribute__((noinline, noclone)) void
bar (struct S x)
{
v = x.s1;
v = x.s2;
}
__attribute__((noinline, noclone)) int
baz (struct S *x)
{
v = x->s1;
v = x->s2;
v = 0;
return v + 1;
}
__attribute__((noinline, noclone)) void
test (struct S *c)
{
struct T *d;
struct S e = a;
unsigned int f, g;
if (c == 0)
c = &e;
else
{
if (c->s2 % 8192 <= 15 || (8192 - c->s2 % 8192) <= 31)
foo (1, 0, c->s1, c->s2);
}
if (!baz (c))
return;
g = (((struct U *) b)->u2 & 2) ? 32 : __builtin_offsetof (struct V, v2);
f = c->s2 % 8192;
if (f == 0)
{
e.s2 += g;
f = g;
}
else if (f < g)
{
foo (2, 0, c->s1, c->s2);
return;
}
if ((((struct U *) b)->u2 & 1) && f == g)
{
bar (*c);
foo (3, 0, c->s1, c->s2);
return;
}
d = (struct T *) (b + c->s2 % 8192);
if (d->t2.s1 >= c->s1 && (d->t2.s1 != c->s1 || d->t2.s2 >= c->s2))
foo (4, d, c->s1, c->s2);
return;
}
int
main ()
{
struct S *c = 0;
asm ("" : "+r" (c) : "r" (&a));
u.v.v2.t2.s1 = 8192;
b = u.b;
test (c);
if (v != 16384)
abort ();
return 0;
}
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