1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
; RUN: rm -rf %t && mkdir -p %t
; RUN: sed -e 's|PATTERN|%/t|g' %s | opt -passes=insert-gcov-profiling -disable-output
; This is a crash test.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%struct.vector = type { i8 }
; Function Attrs: nounwind
define i32 @_Z4testv() #0 !dbg !15 {
entry:
%retval = alloca i32, align 4
%__range = alloca ptr, align 8
%ref.tmp = alloca %struct.vector, align 1
%undef.agg.tmp = alloca %struct.vector, align 1
%__begin = alloca ptr, align 8
%__end = alloca ptr, align 8
%spec = alloca i8, align 1
call void @llvm.dbg.declare(metadata ptr %__range, metadata !27, metadata !DIExpression()), !dbg !30
br label %0
; <label>:0 ; preds = %entry
call void @_Z13TagFieldSpecsv(), !dbg !31
store ptr %ref.tmp, ptr %__range, align 8, !dbg !31
call void @llvm.dbg.declare(metadata ptr %__begin, metadata !32, metadata !DIExpression()), !dbg !30
%1 = load ptr, ptr %__range, align 8, !dbg !31
%call = call ptr @_ZN6vector5beginEv(ptr %1), !dbg !31
store ptr %call, ptr %__begin, align 8, !dbg !31
call void @llvm.dbg.declare(metadata ptr %__end, metadata !33, metadata !DIExpression()), !dbg !30
%2 = load ptr, ptr %__range, align 8, !dbg !31
%call1 = call ptr @_ZN6vector3endEv(ptr %2), !dbg !31
store ptr %call1, ptr %__end, align 8, !dbg !31
br label %for.cond, !dbg !31
for.cond: ; preds = %for.inc, %0
%3 = load ptr, ptr %__begin, align 8, !dbg !34
%4 = load ptr, ptr %__end, align 8, !dbg !34
%cmp = icmp ne ptr %3, %4, !dbg !34
br i1 %cmp, label %for.body, label %for.end, !dbg !34
for.body: ; preds = %for.cond
call void @llvm.dbg.declare(metadata ptr %spec, metadata !37, metadata !DIExpression()), !dbg !31
%5 = load ptr, ptr %__begin, align 8, !dbg !38
%6 = load i8, ptr %5, align 1, !dbg !38
store i8 %6, ptr %spec, align 1, !dbg !38
br label %for.inc, !dbg !38
for.inc: ; preds = %for.body
%7 = load ptr, ptr %__begin, align 8, !dbg !40
%incdec.ptr = getelementptr inbounds i8, ptr %7, i32 1, !dbg !40
store ptr %incdec.ptr, ptr %__begin, align 8, !dbg !40
br label %for.cond, !dbg !40
for.end: ; preds = %for.cond
call void @llvm.trap(), !dbg !42
unreachable, !dbg !42
return: ; No predecessors!
%8 = load i32, ptr %retval, !dbg !44
ret i32 %8, !dbg !44
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
declare void @_Z13TagFieldSpecsv() #2
declare ptr @_ZN6vector5beginEv(ptr) #2
declare ptr @_ZN6vector3endEv(ptr) #2
; Function Attrs: noreturn nounwind
declare void @llvm.trap() #3
; Function Attrs: nounwind
define void @_Z2f1v() #0 !dbg !20 {
entry:
br label %0
; <label>:0 ; preds = %entry
ret void, !dbg !45
}
attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
attributes #1 = { nounwind readnone }
attributes #2 = { "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
attributes #3 = { noreturn nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!23, !24}
!llvm.gcov = !{!25}
!llvm.ident = !{!26}
!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)
!1 = !DIFile(filename: "<stdin>", directory: "PATTERN")
!2 = !{}
!3 = !{!4}
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "vector", line: 21, size: 8, align: 8, file: !5, elements: !6, identifier: "_ZTS6vector")
!5 = !DIFile(filename: "linezero.cc", directory: "PATTERN")
!6 = !{!7, !13}
!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)
!8 = !DISubroutineType(types: !9)
!9 = !{!10, !12}
!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11)
!11 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
!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)
!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)
!16 = !DIFile(filename: "linezero.cc", directory: "PATTERN")
!17 = !DISubroutineType(types: !18)
!18 = !{!19}
!19 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!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)
!21 = !DISubroutineType(types: !22)
!22 = !{null}
!23 = !{i32 2, !"Dwarf Version", i32 4}
!24 = !{i32 2, !"Debug Info Version", i32 3}
!25 = !{!"PATTERN/linezero.o", !0}
!26 = !{!"clang version 3.5.0 (trunk 209871)"}
!27 = !DILocalVariable(name: "__range", flags: DIFlagArtificial, scope: !28, type: !29)
!28 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !15)
!29 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: !4)
!30 = !DILocation(line: 0, scope: !28)
!31 = !DILocation(line: 51, scope: !28)
!32 = !DILocalVariable(name: "__begin", flags: DIFlagArtificial, scope: !28, type: !10)
!33 = !DILocalVariable(name: "__end", flags: DIFlagArtificial, scope: !28, type: !10)
!34 = !DILocation(line: 51, scope: !35)
!35 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !36)
!36 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
!37 = !DILocalVariable(name: "spec", line: 51, scope: !28, file: !16, type: !11)
!38 = !DILocation(line: 51, scope: !39)
!39 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
!40 = !DILocation(line: 51, scope: !41)
!41 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
!42 = !DILocation(line: 51, scope: !43)
!43 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28)
!44 = !DILocation(line: 52, scope: !15)
!45 = !DILocation(line: 54, scope: !20)
|
