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1; RUN: rm -rf %t && mkdir -p %t
2
3; RUN: sed -e 's|PATTERN|%/t|g' %s | opt -insert-gcov-profiling -disable-output
4; RUN: rm %t/linezero.gcno
5
6; RUN: sed -e 's|PATTERN|%/t|g' %s | opt -passes=insert-gcov-profiling -disable-output
7; RUN: rm %t/linezero.gcno
8
9; This is a crash test.
10
11target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
12target triple = "x86_64-unknown-linux-gnu"
13
14%struct.vector = type { i8 }
15
16; Function Attrs: nounwind
17define i32 @_Z4testv() #0 !dbg !15 {
18entry:
19  %retval = alloca i32, align 4
20  %__range = alloca %struct.vector*, align 8
21  %ref.tmp = alloca %struct.vector, align 1
22  %undef.agg.tmp = alloca %struct.vector, align 1
23  %__begin = alloca i8*, align 8
24  %__end = alloca i8*, align 8
25  %spec = alloca i8, align 1
26  call void @llvm.dbg.declare(metadata %struct.vector** %__range, metadata !27, metadata !DIExpression()), !dbg !30
27  br label %0
28
29; <label>:0                                       ; preds = %entry
30  call void @_Z13TagFieldSpecsv(), !dbg !31
31  store %struct.vector* %ref.tmp, %struct.vector** %__range, align 8, !dbg !31
32  call void @llvm.dbg.declare(metadata i8** %__begin, metadata !32, metadata !DIExpression()), !dbg !30
33  %1 = load %struct.vector*, %struct.vector** %__range, align 8, !dbg !31
34  %call = call i8* @_ZN6vector5beginEv(%struct.vector* %1), !dbg !31
35  store i8* %call, i8** %__begin, align 8, !dbg !31
36  call void @llvm.dbg.declare(metadata i8** %__end, metadata !33, metadata !DIExpression()), !dbg !30
37  %2 = load %struct.vector*, %struct.vector** %__range, align 8, !dbg !31
38  %call1 = call i8* @_ZN6vector3endEv(%struct.vector* %2), !dbg !31
39  store i8* %call1, i8** %__end, align 8, !dbg !31
40  br label %for.cond, !dbg !31
41
42for.cond:                                         ; preds = %for.inc, %0
43  %3 = load i8*, i8** %__begin, align 8, !dbg !34
44  %4 = load i8*, i8** %__end, align 8, !dbg !34
45  %cmp = icmp ne i8* %3, %4, !dbg !34
46  br i1 %cmp, label %for.body, label %for.end, !dbg !34
47
48for.body:                                         ; preds = %for.cond
49  call void @llvm.dbg.declare(metadata i8* %spec, metadata !37, metadata !DIExpression()), !dbg !31
50  %5 = load i8*, i8** %__begin, align 8, !dbg !38
51  %6 = load i8, i8* %5, align 1, !dbg !38
52  store i8 %6, i8* %spec, align 1, !dbg !38
53  br label %for.inc, !dbg !38
54
55for.inc:                                          ; preds = %for.body
56  %7 = load i8*, i8** %__begin, align 8, !dbg !40
57  %incdec.ptr = getelementptr inbounds i8, i8* %7, i32 1, !dbg !40
58  store i8* %incdec.ptr, i8** %__begin, align 8, !dbg !40
59  br label %for.cond, !dbg !40
60
61for.end:                                          ; preds = %for.cond
62  call void @llvm.trap(), !dbg !42
63  unreachable, !dbg !42
64
65return:                                           ; No predecessors!
66  %8 = load i32, i32* %retval, !dbg !44
67  ret i32 %8, !dbg !44
68}
69
70; Function Attrs: nounwind readnone
71declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
72
73declare void @_Z13TagFieldSpecsv() #2
74
75declare i8* @_ZN6vector5beginEv(%struct.vector*) #2
76
77declare i8* @_ZN6vector3endEv(%struct.vector*) #2
78
79; Function Attrs: noreturn nounwind
80declare void @llvm.trap() #3
81
82; Function Attrs: nounwind
83define void @_Z2f1v() #0 !dbg !20 {
84entry:
85  br label %0
86
87; <label>:0                                       ; preds = %entry
88  ret void, !dbg !45
89}
90
91attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
92attributes #1 = { nounwind readnone }
93attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
94attributes #3 = { noreturn nounwind }
95
96!llvm.dbg.cu = !{!0}
97!llvm.module.flags = !{!23, !24}
98!llvm.gcov = !{!25}
99!llvm.ident = !{!26}
100
101!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 209871)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
102!1 = !DIFile(filename: "<stdin>", directory: "PATTERN")
103!2 = !{}
104!3 = !{!4}
105!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "vector", line: 21, size: 8, align: 8, file: !5, elements: !6, identifier: "_ZTS6vector")
106!5 = !DIFile(filename: "linezero.cc", directory: "PATTERN")
107!6 = !{!7, !13}
108!7 = !DISubprogram(name: "begin", linkageName: "_ZN6vector5beginEv", line: 25, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 25, file: !5, scope: !4, type: !8)
109!8 = !DISubroutineType(types: !9)
110!9 = !{!10, !12}
111!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11)
112!11 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
113!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
114!13 = !DISubprogram(name: "end", linkageName: "_ZN6vector3endEv", line: 26, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 26, file: !5, scope: !4, type: !8)
115!15 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", line: 50, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 50, file: !5, scope: !16, type: !17, retainedNodes: !2)
116!16 = !DIFile(filename: "linezero.cc", directory: "PATTERN")
117!17 = !DISubroutineType(types: !18)
118!18 = !{!19}
119!19 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
120!20 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 54, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 54, file: !5, scope: !16, type: !21, retainedNodes: !2)
121!21 = !DISubroutineType(types: !22)
122!22 = !{null}
123!23 = !{i32 2, !"Dwarf Version", i32 4}
124!24 = !{i32 2, !"Debug Info Version", i32 3}
125!25 = !{!"PATTERN/linezero.o", !0}
126!26 = !{!"clang version 3.5.0 (trunk 209871)"}
127!27 = !DILocalVariable(name: "__range", flags: DIFlagArtificial, scope: !28, type: !29)
128!28 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !15)
129!29 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: !4)
130!30 = !DILocation(line: 0, scope: !28)
131!31 = !DILocation(line: 51, scope: !28)
132!32 = !DILocalVariable(name: "__begin", flags: DIFlagArtificial, scope: !28, type: !10)
133!33 = !DILocalVariable(name: "__end", flags: DIFlagArtificial, scope: !28, type: !10)
134!34 = !DILocation(line: 51, scope: !35)
135!35 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !36)
136!36 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
137!37 = !DILocalVariable(name: "spec", line: 51, scope: !28, file: !16, type: !11)
138!38 = !DILocation(line: 51, scope: !39)
139!39 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
140!40 = !DILocation(line: 51, scope: !41)
141!41 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
142!42 = !DILocation(line: 51, scope: !43)
143!43 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
144!44 = !DILocation(line: 52, scope: !15)
145!45 = !DILocation(line: 54, scope: !20)
146