1/* PR tree-optimization/28632 */
2/* { dg-do compile } */
3/* { dg-options "-O2 -ftree-vrp -fno-tree-ccp" } */
4/* { dg-require-effective-target int32plus } */
5
6void
7v4 (unsigned a, unsigned b)
8{
9  if (a < 0x1000) return;
10  if (a > 0x1000) return;
11  if (b < 0x0110) return;
12  /* constant true.  */
13  if (!__builtin_constant_p ((a|b) >= 0x01000))
14    __asm__("vrp.bug.always.true");
15  /* VRP must not think that this is constant.  */
16  if (__builtin_constant_p ((a|b) >= 0x10000))
17    __asm__("vrp.bug.not.always.true");
18}
19
20void
21u4 (unsigned n)
22{
23  if (n > 0x10111) return;
24  if (n < 0x10101) return;
25  /* always true.  */
26  if (!__builtin_constant_p (n & 0x00100))
27    __asm__("vrp.bug.always.true");
28  /* VRP must not think that this is constant true.  */
29  if (__builtin_constant_p (n & 0x00001))
30    __asm__("vrp.bug.not.always.true");
31  /* Out of range, always evaluates to constant false.  */
32  if (!__builtin_constant_p (n & 0x01000))
33    __asm__("vrp.bug.always.false");
34}
35
36void
37u5 (unsigned n)
38{
39  struct s {unsigned exp:8;} x;
40  x.exp = n;
41  if (__builtin_constant_p(((n + 1) & 255) > 1))
42    __asm__("vrp.bug.not.always.true");
43}
44
45void
46v5 (int a, int b)
47{
48  if (a < 0x1000) return;
49  if (a > 0x1000) return;
50  if (b < 0x0110) return;
51  /* constant true.  */
52  if (!__builtin_constant_p ((a|b) >= 0x01000))
53    __asm__("vrp.bug.always.true");
54  /* VRP must not think that this is always true.  */
55  if (__builtin_constant_p ((a|b) >= 0x10000))
56    __asm__("vrp.bug.not.always.true");
57}
58
59/* { dg-final { scan-assembler-not "vrp\\\.bug\\\." } } */
60