aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c
blob: f9f5fb798efbb9d7ab59f82f9a14a59905791d9f (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
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1" } */
  
extern void abort (void);

union tree_node;
typedef union tree_node *tree;
struct tree_common
{
  int code;
};
struct tree_list
{
  tree purpose;
};
union tree_node
{
  struct tree_common common;
  struct tree_list list;
};
void
simplify_condition (cond_p)
     tree *cond_p;
{
  tree decl;
  tree cond = *cond_p;
  if (cond->common.code != 42)
    abort ();
  decl = cond->list.purpose;
  if (cond->common.code != 42)
    abort ();
  c_simplify_stmt (&decl);
}

/* There should be exactly one IF conditional.  */
/* { dg-final { scan-tree-dump-times "if " 1 "vrp1" } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */