summaryrefslogtreecommitdiff
path: root/support/regression/tests/gcc-torture-execute-pr51466.c
blob: b7a51666e5c35623ebcb6bcde678e63171be28d2 (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
/*
   pr51466.c from the execute part of the gcc torture tests.
 */

#include <testfwk.h>

#ifdef __SDCC
#pragma std_c99
#endif

/* PR tree-optimization/51466 */

int
foo (int i)
{
  volatile int v[4];
  int *p;
  v[i] = 6;
  p = (int *) &v[i];
  return *p;
}

int
bar (int i)
{
  volatile int v[4];
  int *p;
  v[i] = 6;
  p = (int *) &v[i];
  *p = 8;
  return v[i];
}

int
baz (int i)
{
  volatile int v[4];
  int *p;
  v[i] = 6;
  p = (int *) &v[0];
  *p = 8;
  return v[i];
}

void
testTortureExecute (void)
{
  if (foo (3) != 6 || bar (2) != 8 || baz (0) != 8 || baz (1) != 6)
    ASSERT (0);
  return;
}