summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/torture/pr49886.c
blob: f0e8e60d39121e4dc3528dd27b708bd6e36d3528 (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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/* { dg-do run } */

struct PMC {
    unsigned flags;
};

typedef struct Pcc_cell
{
    struct PMC *p;
    long bla;
    long type;
} Pcc_cell;

int gi;
int cond;

extern void abort ();
extern void never_ever(int interp, struct PMC *pmc)
  __attribute__((noinline,noclone));

void never_ever (int interp, struct PMC *pmc)
{
  abort ();
}

static void mark_cell(int * interp, Pcc_cell *c)
  __attribute__((__nonnull__(1)));

static void
mark_cell(int * interp, Pcc_cell *c)
{
  if (!cond)
    return;

  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<18)))
    never_ever(gi + 1, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<17)))
    never_ever(gi + 2, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<16)))
    never_ever(gi + 3, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<15)))
    never_ever(gi + 4, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<14)))
    never_ever(gi + 5, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<13)))
    never_ever(gi + 6, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<12)))
    never_ever(gi + 7, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<11)))
    never_ever(gi + 8, c->p);
  if (c && c->type == 4 && c->p
      && !(c->p->flags & (1<<10)))
    never_ever(gi + 9, c->p);
}

static void
foo(int * interp, Pcc_cell *c)
{
  mark_cell(interp, c);
}

static struct Pcc_cell *
__attribute__((noinline,noclone))
getnull(void)
{
  return (struct Pcc_cell *) 0;
}


int main()
{
  int i;

  cond = 1;
  for (i = 0; i < 100; i++)
    foo (&gi, getnull ());
  return 0;
}


void
bar_1 (int * interp, Pcc_cell *c)
{
  c->bla += 1;
  mark_cell(interp, c);
}

void
bar_2 (int * interp, Pcc_cell *c)
{
  c->bla += 2;
  mark_cell(interp, c);
}