1; RUN: opt -regions < %s
2define i32 @main() nounwind {
3entry:
4  br label %for.cond
5
6test:
7  br label %for.cond
8
9for.cond:                                         ; preds = %for.inc, %entry
10  br i1 true, label %for.body, label %for.end
11
12for.body:                                         ; preds = %for.cond
13  br label %for.inc
14
15for.inc:                                          ; preds = %for.body
16  br label %for.cond
17
18for.end:                                          ; preds = %for.cond
19  ret i32 0
20}
21