1; RUN: opt < %s -loop-extract-single -disable-output
2
3define void @ab() {
4entry:
5        br label %codeReplTail
6
7then.1:         ; preds = %codeReplTail
8        br label %loopentry.1
9
10loopentry.1:            ; preds = %no_exit.1, %then.1
11        br i1 false, label %no_exit.1, label %loopexit.0.loopexit1
12
13no_exit.1:              ; preds = %loopentry.1
14        br label %loopentry.1
15
16loopexit.0.loopexit:            ; preds = %codeReplTail
17        ret void
18
19loopexit.0.loopexit1:           ; preds = %loopentry.1
20        ret void
21
22codeReplTail:           ; preds = %codeReplTail, %entry
23        switch i16 0, label %codeReplTail [
24                 i16 0, label %loopexit.0.loopexit
25                 i16 1, label %then.1
26        ]
27}
28
29