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/* { dg-do compile } */
/* { dg-options "-O2 -fno-tree-switch-conversion -fdump-tree-vrp1" } */
extern void vrp_keep (void);
/* Test <<. */
void
f3 (int s, int b)
{
if (s >> 3 == -2)
/* s in range [-16, -9]. */
{
s += 17;
/* s in range [1, 8]. */
b = (b & 1) + 1;
/* b in range [1, 2]. */
b = b << s;
/* b in range [bmin << smin, bmax << smax],
== [1 << 1, 2 << 8]
== [2, 512]. */
if (b == 2)
vrp_keep ();
if (b == 512)
vrp_keep ();
}
}
int
main ()
{
return 0;
}
/* { dg-final { scan-tree-dump-times "vrp_keep \\(" 2 "vrp1"} } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
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