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/* PR tree-optimization/28632 */
/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vrp -fno-tree-ccp" } */
/* { dg-require-effective-target int32plus } */
void
v4 (unsigned a, unsigned b)
{
if (a < 0x1000) return;
if (a > 0x1000) return;
if (b < 0x0110) return;
/* constant true. */
if (!__builtin_constant_p ((a|b) >= 0x01000))
__asm__("vrp.bug.always.true");
/* VRP must not think that this is constant. */
if (__builtin_constant_p ((a|b) >= 0x10000))
__asm__("vrp.bug.not.always.true");
}
void
u4 (unsigned n)
{
if (n > 0x10111) return;
if (n < 0x10101) return;
/* always true. */
if (!__builtin_constant_p (n & 0x00100))
__asm__("vrp.bug.always.true");
/* VRP must not think that this is constant true. */
if (__builtin_constant_p (n & 0x00001))
__asm__("vrp.bug.not.always.true");
/* Out of range, always evaluates to constant false. */
if (!__builtin_constant_p (n & 0x01000))
__asm__("vrp.bug.always.false");
}
void
u5 (unsigned n)
{
struct s {unsigned exp:8;} x;
x.exp = n;
if (__builtin_constant_p(((n + 1) & 255) > 1))
__asm__("vrp.bug.not.always.true");
}
void
v5 (int a, int b)
{
if (a < 0x1000) return;
if (a > 0x1000) return;
if (b < 0x0110) return;
/* constant true. */
if (!__builtin_constant_p ((a|b) >= 0x01000))
__asm__("vrp.bug.always.true");
/* VRP must not think that this is always true. */
if (__builtin_constant_p ((a|b) >= 0x10000))
__asm__("vrp.bug.not.always.true");
}
/* { dg-final { scan-assembler-not "vrp\\\.bug\\\." } } */
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