xref: /llvm-project/llvm/test/CodeGen/ARM/analyze-branch-bkpt.ll (revision 4bb928c11010e1ba38b19ee89ac77ed1d096a76a)
1*4bb928c1SPeter Collingbourne; RUN: llc -o - %s -mtriple thumbv4-unknown-linux-android | FileCheck --check-prefix=V4 %s
2*4bb928c1SPeter Collingbourne; RUN: llc -o - %s -mtriple thumbv5-unknown-linux-android | FileCheck --check-prefix=V5 %s
3*4bb928c1SPeter Collingbourne
4*4bb928c1SPeter Collingbourne; V4: udf #254
5*4bb928c1SPeter Collingbourne; V5: bkpt #0
6*4bb928c1SPeter Collingbourne
7*4bb928c1SPeter Collingbournedefine i1 @a(i32 %b) !dbg !3 {
8*4bb928c1SPeter Collingbourne  br i1 undef, label %c, label %d, !dbg !4
9*4bb928c1SPeter Collingbourne
10*4bb928c1SPeter Collingbourned:                                                ; preds = %0
11*4bb928c1SPeter Collingbourne  call void @llvm.debugtrap()
12*4bb928c1SPeter Collingbourne  br label %ah, !dbg !4
13*4bb928c1SPeter Collingbourne
14*4bb928c1SPeter Collingbournec:                                                ; preds = %0
15*4bb928c1SPeter Collingbourne  %aj = icmp ne i20 undef, 5
16*4bb928c1SPeter Collingbourne  br label %ah, !dbg !4
17*4bb928c1SPeter Collingbourne
18*4bb928c1SPeter Collingbourneah:                                               ; preds = %c, %d
19*4bb928c1SPeter Collingbourne  %ak = phi i1 [ false, %d ], [ %aj, %c ]
20*4bb928c1SPeter Collingbourne  call void @llvm.dbg.value(metadata i1 %ak, metadata !7, metadata !DIExpression()), !dbg !9
21*4bb928c1SPeter Collingbourne  switch i32 %b, label %al [
22*4bb928c1SPeter Collingbourne    i32 0, label %am
23*4bb928c1SPeter Collingbourne    i32 10, label %an
24*4bb928c1SPeter Collingbourne  ]
25*4bb928c1SPeter Collingbourne
26*4bb928c1SPeter Collingbournean:                                               ; preds = %ah
27*4bb928c1SPeter Collingbourne  %ch = select i1 %ak, i32 0, i32 5
28*4bb928c1SPeter Collingbourne  br label %am, !dbg !10
29*4bb928c1SPeter Collingbourne
30*4bb928c1SPeter Collingbourneal:                                               ; preds = %ah
31*4bb928c1SPeter Collingbourne  br label %am, !dbg !9
32*4bb928c1SPeter Collingbourne
33*4bb928c1SPeter Collingbourneam:                                               ; preds = %al, %an, %ah
34*4bb928c1SPeter Collingbourne  %1 = phi i32 [ 0, %al ], [ %ch, %an ], [ %b, %ah ]
35*4bb928c1SPeter Collingbourne  unreachable
36*4bb928c1SPeter Collingbourne}
37*4bb928c1SPeter Collingbourne
38*4bb928c1SPeter Collingbourne; Function Attrs: nounwind readnone speculatable
39*4bb928c1SPeter Collingbournedeclare void @llvm.dbg.value(metadata, metadata, metadata) #0
40*4bb928c1SPeter Collingbourne
41*4bb928c1SPeter Collingbourne; Function Attrs: nounwind
42*4bb928c1SPeter Collingbournedeclare void @llvm.debugtrap() #1
43*4bb928c1SPeter Collingbourne
44*4bb928c1SPeter Collingbourneattributes #0 = { nounwind readnone speculatable }
45*4bb928c1SPeter Collingbourneattributes #1 = { nounwind }
46*4bb928c1SPeter Collingbourne
47*4bb928c1SPeter Collingbourne!llvm.dbg.cu = !{!0}
48*4bb928c1SPeter Collingbourne!llvm.module.flags = !{!2}
49*4bb928c1SPeter Collingbourne
50*4bb928c1SPeter Collingbourne!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
51*4bb928c1SPeter Collingbourne!1 = !DIFile(filename: "a", directory: "")
52*4bb928c1SPeter Collingbourne!2 = !{i32 2, !"Debug Info Version", i32 3}
53*4bb928c1SPeter Collingbourne!3 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
54*4bb928c1SPeter Collingbourne!4 = !DILocation(line: 0, scope: !5, inlinedAt: !6)
55*4bb928c1SPeter Collingbourne!5 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
56*4bb928c1SPeter Collingbourne!6 = !DILocation(line: 0, scope: !3)
57*4bb928c1SPeter Collingbourne!7 = !DILocalVariable(scope: !8)
58*4bb928c1SPeter Collingbourne!8 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
59*4bb928c1SPeter Collingbourne!9 = !DILocation(line: 0, scope: !8, inlinedAt: !6)
60*4bb928c1SPeter Collingbourne!10 = !DILocation(line: 0, scope: !11, inlinedAt: !6)
61*4bb928c1SPeter Collingbourne!11 = !DILexicalBlock(scope: !8)
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