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/* { dg-do link } */
/* { dg-options "-O2" } */
extern void link_error (void);
void
f2 (int c, int b)
{
int s = 0;
if (c == 0)
s += 1;
else if (c < 1)
s -= 1;
/* s in [-1, 1]. */
b = (b & 1) + 1;
/* b in range [1, 2]. */
b = s << b;
/* b in range [-4, 4]. */
if (b == -5 || b == 5)
link_error ();
}
void
f3 (int s, int b)
{
if (s >> 3 == -2)
{
/* s in range [-16, -9]. */
b = (b & 1) + 1;
/* b in range [1, 2]. */
b = s << b;
/* b in range [bmin << smax, bmax << smin],
== [-16 << 2, -9 << 1]
== [-64, -18]. */
if (b == -65 || b == -17)
link_error ();
}
}
void
f4 (unsigned int s, unsigned int b)
{
s |= ~0xffU;
/* s in [0xffffff00, 0xffffffff]. */
b = (b & 1) + 1;
/* b in [1, 2]. */
b = s << b;
/* s in [0xfffffc00, 0xfffffffe]. */
if (b == ~0x3ffU - 1 || b == ~0x1U + 1)
link_error ();
}
int
main ()
{
return 0;
}
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