1; RUN: opt < %s -S -loop-unswitch -verify-loop-info -verify-dom-info | FileCheck %s
2; PR12343: -loop-unswitch crash on indirect branch
3
4; CHECK:       %0 = icmp eq i64 undef, 0
5; CHECK-NEXT:  br i1 %0, label %"5", label %"4"
6
7; CHECK:       "5":                                              ; preds = %entry
8; CHECK-NEXT:  br label %"16"
9
10; CHECK:       "16":                                             ; preds = %"22", %"5"
11; CHECK-NEXT:  indirectbr i8* undef, [label %"22", label %"33"]
12
13; CHECK:       "22":                                             ; preds = %"16"
14; CHECK-NEXT:  br i1 %0, label %"16", label %"26"
15
16; CHECK:       "26":                                             ; preds = %"22"
17; CHECK-NEXT:  unreachable
18
19define void @foo() {
20entry:
21  %0 = icmp eq i64 undef, 0
22  br i1 %0, label %"5", label %"4"
23
24"4":                                              ; preds = %entry
25  unreachable
26
27"5":                                              ; preds = %entry
28  br label %"16"
29
30"16":                                             ; preds = %"22", %"5"
31  indirectbr i8* undef, [label %"22", label %"33"]
32
33"22":                                             ; preds = %"16"
34  br i1 %0, label %"16", label %"26"
35
36"26":                                             ; preds = %"22"
37  unreachable
38
39"33":                                             ; preds = %"16"
40  unreachable
41}
42