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 
6 void
v4(unsigned a,unsigned b)7 v4 (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 
20 void
u4(unsigned n)21 u4 (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 
36 void
u5(unsigned n)37 u5 (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 
45 void
v5(int a,int b)46 v5 (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