1; RUN: llc < %s -mtriple=thumbv7-apple-darwin
2; Radar 7896289
3
4target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
5target triple = "thumbv7-apple-darwin10"
6
7define void @test(i32 %mode) nounwind optsize noinline {
8entry:
9  br i1 undef, label %return, label %bb3
10
11bb3:                                              ; preds = %entry
12  br i1 undef, label %bb15, label %bb18
13
14bb15:                                             ; preds = %bb3
15  unreachable
16
17bb18:                                             ; preds = %bb3
18  switch i32 %mode, label %return [
19    i32 0, label %bb26
20    i32 1, label %bb56
21    i32 2, label %bb107
22    i32 6, label %bb150.preheader
23    i32 9, label %bb310.preheader
24    i32 13, label %bb414.preheader
25    i32 15, label %bb468.preheader
26    i32 16, label %bb522.preheader
27  ]
28
29bb150.preheader:                                  ; preds = %bb18
30  br i1 undef, label %bb154, label %bb160
31
32bb310.preheader:                                  ; preds = %bb18
33  unreachable
34
35bb414.preheader:                                  ; preds = %bb18
36  unreachable
37
38bb468.preheader:                                  ; preds = %bb18
39  unreachable
40
41bb522.preheader:                                  ; preds = %bb18
42  unreachable
43
44bb26:                                             ; preds = %bb18
45  unreachable
46
47bb56:                                             ; preds = %bb18
48  unreachable
49
50bb107:                                            ; preds = %bb18
51  br label %bb110
52
53bb110:                                            ; preds = %bb122, %bb107
54  %asmtmp.i.i179 = tail call i16 asm "rev16 $0, $1\0A", "=l,l"(i16 undef) nounwind ; <i16> [#uses=1]
55  %asmtmp.i.i178 = tail call i16 asm "rev16 $0, $1\0A", "=l,l"(i16 %asmtmp.i.i179) nounwind ; <i16> [#uses=1]
56  store i16 %asmtmp.i.i178, i16* undef, align 2
57  br i1 undef, label %bb122, label %bb121
58
59bb121:                                            ; preds = %bb110
60  br label %bb122
61
62bb122:                                            ; preds = %bb121, %bb110
63  br label %bb110
64
65bb154:                                            ; preds = %bb150.preheader
66  unreachable
67
68bb160:                                            ; preds = %bb150.preheader
69  unreachable
70
71return:                                           ; preds = %bb18, %entry
72  ret void
73}
74