1/* { dg-do compile } */
2/* { dg-options "-O1 -fdump-tree-dom3" } */
3
4extern void abort (void);
5extern int blah[];
6
7foo(int index)
8{
9  if (blah [(unsigned int)index] != 0)
10    abort ();
11  if (blah [(unsigned int)index] != 0)
12    abort ();
13}
14
15/* There should be precisely one load of blah.  If there is
16   more than one, then the dominator optimizations failed.  */
17/* { dg-final { scan-tree-dump-times "blah" 1 "dom3"} } */
18
19/* There should be exactly one IF conditional.  */
20/* { dg-final { scan-tree-dump-times "if " 1 "dom3"} } */
21
22/* { dg-final { cleanup-tree-dump "dom3" } } */
23