aboutsummaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/tree-ssa/pr96779.c
blob: 03618bf81d27636d6fbc1d26343f45e0235dda00 (plain)
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/* PR tree-optimization/96779 */
/* { dg-do run } */
/* { dg-options "-O -fdump-tree-optimized" } */
/* { dg-require-effective-target int32plus } */

#include <stdbool.h>

bool __attribute__ ((noipa)) f_func(int a)
{
    return -a == a;
}

bool __attribute__ ((noipa)) h_func(short a)
{
    return -a == a;
}

bool __attribute__ ((noipa)) k_func(long a)
{
    return -a == a;
}

int
main (void)
{
  // few randomly generated test cases
  if (f_func (71856034))
    {
      __builtin_abort ();
    }
  if (f_func (71856034))
    {
      __builtin_abort ();
    }
  if (h_func (1744))
    {
      __builtin_abort ();
    }
  if (k_func (68268386))
    {
      __builtin_abort ();
    }
  if (f_func (-112237))
    {
      __builtin_abort ();
    }
  if (f_func (-787116))
    {
      __builtin_abort ();
    }
  if (h_func (-863))
    {
      __builtin_abort ();
    }
  if (k_func (-787116))
    {
      __builtin_abort ();
    }
  if (!f_func (0))
    {
      __builtin_abort ();
    }
  if (!f_func (0))
    {
      __builtin_abort ();
    }
  if (!h_func (0))
    {
      __builtin_abort ();
    }
  if (!k_func (0))
    {
      __builtin_abort ();
    }

  return 0;
}

/* Verify that we transfered to "= -" pattern from "_2 = -_1;".  */
/* { dg-final { scan-tree-dump-not "= -" "optimized" } } */