1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fdump-tree-dom2" } */
3 
4 extern void abort (void);
5 extern int blah[];
6 
7 void
foo(int index)8 foo(int index)
9 {
10   if (blah [(unsigned int)index] != 0)
11     abort ();
12   if (blah [(unsigned int)index] != 0)
13     abort ();
14 }
15 
16 /* There should be precisely one load of blah.  If there is
17    more than one, then the dominator optimizations failed.  */
18 /* { dg-final { scan-tree-dump-times "blah" 1 "dom2"} } */
19 
20 /* There should be exactly one IF conditional.  */
21 /* { dg-final { scan-tree-dump-times "if " 1 "dom2"} } */
22 
23