File: 20030703-2.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (43 lines) | stat: -rw-r--r-- 1,221 bytes parent folder | download | duplicates (6) 
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
 
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dom2" } */

extern void abort (void);

union tree_node;
typedef union tree_node *tree;
extern const char tree_code_type[];

union tree_node
{
  int code;
  long pointer_alias_set;
};

long
get_alias_set (t)
     tree t;
{
  if (tree_code_type[t->code])
    abort ();
  if (t->pointer_alias_set)
    {
      tree __t = t;
      if (tree_code_type[__t->code])
	abort ();
    }
}

/* There should be precisely one load of {t,__t}->code.  If there is
   more than one, then the dominator optimizations failed.  */
/* { dg-final { scan-tree-dump-times "->code" 1 "dom2"} } */
                                                                                
/* There should be precisely one load of tree_code_type.  If there is
   more than one, then the dominator optimizations failed.  */
/* { dg-final { scan-tree-dump-times "tree_code_type" 1 "dom2"} } */

/* There should be one IF conditional.  If 'tree_code_type[t->code]' is
   zero, then the third if() conditional is unnecessary.  That should cause
   the call to abort() to be removed, which in turn causes the whole second
   if() to disappear.  */
/* { dg-final { scan-tree-dump-times "if " 1 "dom2"} } */