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1; RUN: llc -o - %s -mtriple thumbv4-unknown-linux-android | FileCheck --check-prefix=V4 %s
2; RUN: llc -o - %s -mtriple thumbv5-unknown-linux-android | FileCheck --check-prefix=V5 %s
3
4; V4: udf #254
5; V5: bkpt #0
6
7define i1 @a(i32 %b) !dbg !3 {
8  br i1 undef, label %c, label %d, !dbg !4
9
10d:                                                ; preds = %0
11  call void @llvm.debugtrap()
12  br label %ah, !dbg !4
13
14c:                                                ; preds = %0
15  %aj = icmp ne i20 undef, 5
16  br label %ah, !dbg !4
17
18ah:                                               ; preds = %c, %d
19  %ak = phi i1 [ false, %d ], [ %aj, %c ]
20  call void @llvm.dbg.value(metadata i1 %ak, metadata !7, metadata !DIExpression()), !dbg !9
21  switch i32 %b, label %al [
22    i32 0, label %am
23    i32 10, label %an
24  ]
25
26an:                                               ; preds = %ah
27  %ch = select i1 %ak, i32 0, i32 5
28  br label %am, !dbg !10
29
30al:                                               ; preds = %ah
31  br label %am, !dbg !9
32
33am:                                               ; preds = %al, %an, %ah
34  %1 = phi i32 [ 0, %al ], [ %ch, %an ], [ %b, %ah ]
35  unreachable
36}
37
38; Function Attrs: nounwind readnone speculatable
39declare void @llvm.dbg.value(metadata, metadata, metadata) #0
40
41; Function Attrs: nounwind
42declare void @llvm.debugtrap() #1
43
44attributes #0 = { nounwind readnone speculatable }
45attributes #1 = { nounwind }
46
47!llvm.dbg.cu = !{!0}
48!llvm.module.flags = !{!2}
49
50!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
51!1 = !DIFile(filename: "a", directory: "")
52!2 = !{i32 2, !"Debug Info Version", i32 3}
53!3 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
54!4 = !DILocation(line: 0, scope: !5, inlinedAt: !6)
55!5 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
56!6 = !DILocation(line: 0, scope: !3)
57!7 = !DILocalVariable(scope: !8)
58!8 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
59!9 = !DILocation(line: 0, scope: !8, inlinedAt: !6)
60!10 = !DILocation(line: 0, scope: !11, inlinedAt: !6)
61!11 = !DILexicalBlock(scope: !8)
62