gcc/testsuite/gcc.c-torture/execute/pr47148.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

/* PR tree-optimization/47148 */

static inline unsigned
bar (unsigned x, unsigned y)
{
  if (y >= 32)
    return x;
  else
    return x >> y;
}

static unsigned a = 1, b = 1;

static inline void
foo (unsigned char x, unsigned y)
{
  if (!y)
    return;
  unsigned c = (0x7000U / (x - 2)) ^ a;
  unsigned d = bar (a, a);
  b &= ((a - d) && (a - 1)) + c;
}

int
main (void)
{
  foo (1, 1);
  foo (-1, 1);
  if (b && ((unsigned char) -1) == 255)
    __builtin_abort ();
  return 0;
}