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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
; Ensure that we can correctly emit a compile unit for outlined functions and
; that we correctly emit DISubprograms for those functions.
; Also make sure that the DISubprograms reference the generated unit.
; make sure that if there are two outlined functions in the program,
; RUN: llc %s -enable-machine-outliner=always -mtriple=x86_64-apple-darwin -o /dev/null -print-after=machine-outliner
define void @f6() #0 !dbg !8 {
entry:
%dog = alloca i32, align 4
%cat = alloca i32, align 4
%pangolin = alloca i32, align 4
call void @llvm.dbg.declare(metadata i32* %dog, metadata !11, metadata !DIExpression()), !dbg !13
store i32 16, i32* %dog, align 4, !dbg !13
call void @llvm.dbg.declare(metadata i32* %cat, metadata !14, metadata !DIExpression()), !dbg !15
store i32 32, i32* %cat, align 4, !dbg !15
call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !16, metadata !DIExpression()), !dbg !17
store i32 48, i32* %pangolin, align 4, !dbg !17
ret void, !dbg !18
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
define void @f5() #0 !dbg !19 {
entry:
%dog = alloca i32, align 4
%cat = alloca i32, align 4
%pangolin = alloca i32, align 4
call void @llvm.dbg.declare(metadata i32* %dog, metadata !20, metadata !DIExpression()), !dbg !21
store i32 16, i32* %dog, align 4, !dbg !21
call void @llvm.dbg.declare(metadata i32* %cat, metadata !22, metadata !DIExpression()), !dbg !23
store i32 32, i32* %cat, align 4, !dbg !23
call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !24, metadata !DIExpression()), !dbg !25
store i32 48, i32* %pangolin, align 4, !dbg !25
ret void, !dbg !26
}
define void @f4() #0 !dbg !27 {
entry:
%dog = alloca i32, align 4
%cat = alloca i32, align 4
%pangolin = alloca i32, align 4
call void @llvm.dbg.declare(metadata i32* %dog, metadata !28, metadata !DIExpression()), !dbg !29
store i32 16, i32* %dog, align 4, !dbg !29
call void @llvm.dbg.declare(metadata i32* %cat, metadata !30, metadata !DIExpression()), !dbg !31
store i32 32, i32* %cat, align 4, !dbg !31
call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !32, metadata !DIExpression()), !dbg !33
store i32 48, i32* %pangolin, align 4, !dbg !33
ret void, !dbg !34
}
define i32 @f1() #0 !dbg !35 {
entry:
%dog = alloca i32, align 4
%cat = alloca i32, align 4
%pangolin = alloca i32, align 4
call void @llvm.dbg.declare(metadata i32* %dog, metadata !38, metadata !DIExpression()), !dbg !39
store i32 1, i32* %dog, align 4, !dbg !39
call void @llvm.dbg.declare(metadata i32* %cat, metadata !40, metadata !DIExpression()), !dbg !41
store i32 2, i32* %cat, align 4, !dbg !41
call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !42, metadata !DIExpression()), !dbg !43
store i32 3, i32* %pangolin, align 4, !dbg !43
store i32 16, i32* %dog, align 4, !dbg !44
%0 = load i32, i32* %dog, align 4, !dbg !45
ret i32 %0, !dbg !46
}
define i32 @f2() #0 !dbg !47 {
entry:
%dog = alloca i32, align 4
%cat = alloca i32, align 4
%pangolin = alloca i32, align 4
call void @llvm.dbg.declare(metadata i32* %dog, metadata !48, metadata !DIExpression()), !dbg !49
store i32 1, i32* %dog, align 4, !dbg !49
call void @llvm.dbg.declare(metadata i32* %cat, metadata !50, metadata !DIExpression()), !dbg !51
store i32 2, i32* %cat, align 4, !dbg !51
call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !52, metadata !DIExpression()), !dbg !53
store i32 3, i32* %pangolin, align 4, !dbg !53
store i32 16, i32* %dog, align 4, !dbg !54
%0 = load i32, i32* %dog, align 4, !dbg !55
ret i32 %0, !dbg !56
}
define i32 @f3() #0 !dbg !57 {
entry:
%dog = alloca i32, align 4
%cat = alloca i32, align 4
%pangolin = alloca i32, align 4
call void @llvm.dbg.declare(metadata i32* %dog, metadata !58, metadata !DIExpression()), !dbg !59
store i32 1, i32* %dog, align 4, !dbg !59
call void @llvm.dbg.declare(metadata i32* %cat, metadata !60, metadata !DIExpression()), !dbg !61
store i32 2, i32* %cat, align 4, !dbg !61
call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !62, metadata !DIExpression()), !dbg !63
store i32 3, i32* %pangolin, align 4, !dbg !63
store i32 16, i32* %dog, align 4, !dbg !64
%0 = load i32, i32* %dog, align 4, !dbg !65
ret i32 %0, !dbg !66
}
define i32 @main() #0 !dbg !67 {
entry:
%retval = alloca i32, align 4
%a = alloca i32, align 4
store i32 0, i32* %retval, align 4
call void @llvm.dbg.declare(metadata i32* %a, metadata !68, metadata !DIExpression()), !dbg !69
store i32 4, i32* %a, align 4, !dbg !69
%call = call i32 @f1() #2, !dbg !70
%call1 = call i32 @f2() #2, !dbg !71
%call2 = call i32 @f3() #2, !dbg !72
ret i32 0, !dbg !73
}
; CHECK: distinct !DISubprogram(name: "OUTLINED_FUNCTION_1",
; CHECK-SAME: scope: !1,
; CHECK-SAME: file: !1,
; CHECK-SAME: type: [[TYPE:![0-9]+]],
; CHECK-SAME: isLocal: false,
; CHECK-SAME: isDefinition: true,
; CHECK-SAME: flags: DIFlagArtificial,
; CHECK-SAME: isOptimized: true,
; CHECK-SAME: unit: !0,
; CHECK-SAME: retainedNodes: [[VARS:![0-9]+]]
; CHECK: distinct !DISubprogram(name: "OUTLINED_FUNCTION_0",
; CHECK-SAME: scope: !1,
; CHECK-SAME: file: !1,
; CHECK-SAME: type: [[TYPE]],
; CHECK-SAME: isLocal: false,
; CHECK-SAME: isDefinition: true,
; CHECK-SAME: flags: DIFlagArtificial,
; CHECK-SAME: isOptimized: true,
; CHECK-SAME: unit: !0,
; CHECK-SAME: retainedNodes: [[VARS]]
attributes #0 = { noinline noredzone nounwind optnone ssp uwtable "no-frame-pointer-elim"="true" }
attributes #1 = { nounwind readnone speculatable }
attributes #2 = { noredzone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5, !6}
!llvm.ident = !{!7}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "test.c", directory: "/")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{i32 7, !"PIC Level", i32 2}
!7 = !{!"clang"}
!8 = distinct !DISubprogram(name: "f6", scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: false, unit: !0, retainedNodes: !2)
!9 = !DISubroutineType(types: !10)
!10 = !{null}
!11 = !DILocalVariable(name: "dog", scope: !8, file: !1, line: 4, type: !12)
!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!13 = !DILocation(line: 4, column: 16, scope: !8)
!14 = !DILocalVariable(name: "cat", scope: !8, file: !1, line: 5, type: !12)
!15 = !DILocation(line: 5, column: 16, scope: !8)
!16 = !DILocalVariable(name: "pangolin", scope: !8, file: !1, line: 6, type: !12)
!17 = !DILocation(line: 6, column: 16, scope: !8)
!18 = !DILocation(line: 7, column: 1, scope: !8)
!19 = distinct !DISubprogram(name: "f5", scope: !1, file: !1, line: 9, type: !9, isLocal: false, isDefinition: true, scopeLine: 9, isOptimized: false, unit: !0, retainedNodes: !2)
!20 = !DILocalVariable(name: "dog", scope: !19, file: !1, line: 10, type: !12)
!21 = !DILocation(line: 10, column: 16, scope: !19)
!22 = !DILocalVariable(name: "cat", scope: !19, file: !1, line: 11, type: !12)
!23 = !DILocation(line: 11, column: 16, scope: !19)
!24 = !DILocalVariable(name: "pangolin", scope: !19, file: !1, line: 12, type: !12)
!25 = !DILocation(line: 12, column: 16, scope: !19)
!26 = !DILocation(line: 13, column: 1, scope: !19)
!27 = distinct !DISubprogram(name: "f4", scope: !1, file: !1, line: 15, type: !9, isLocal: false, isDefinition: true, scopeLine: 15, isOptimized: false, unit: !0, retainedNodes: !2)
!28 = !DILocalVariable(name: "dog", scope: !27, file: !1, line: 16, type: !12)
!29 = !DILocation(line: 16, column: 16, scope: !27)
!30 = !DILocalVariable(name: "cat", scope: !27, file: !1, line: 17, type: !12)
!31 = !DILocation(line: 17, column: 16, scope: !27)
!32 = !DILocalVariable(name: "pangolin", scope: !27, file: !1, line: 18, type: !12)
!33 = !DILocation(line: 18, column: 16, scope: !27)
!34 = !DILocation(line: 19, column: 1, scope: !27)
!35 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 21, type: !36, isLocal: false, isDefinition: true, scopeLine: 21, isOptimized: false, unit: !0, retainedNodes: !2)
!36 = !DISubroutineType(types: !37)
!37 = !{!12}
!38 = !DILocalVariable(name: "dog", scope: !35, file: !1, line: 22, type: !12)
!39 = !DILocation(line: 22, column: 16, scope: !35)
!40 = !DILocalVariable(name: "cat", scope: !35, file: !1, line: 23, type: !12)
!41 = !DILocation(line: 23, column: 16, scope: !35)
!42 = !DILocalVariable(name: "pangolin", scope: !35, file: !1, line: 24, type: !12)
!43 = !DILocation(line: 24, column: 16, scope: !35)
!44 = !DILocation(line: 25, column: 7, scope: !35)
!45 = !DILocation(line: 26, column: 10, scope: !35)
!46 = !DILocation(line: 26, column: 3, scope: !35)
!47 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 29, type: !36, isLocal: false, isDefinition: true, scopeLine: 29, isOptimized: false, unit: !0, retainedNodes: !2)
!48 = !DILocalVariable(name: "dog", scope: !47, file: !1, line: 30, type: !12)
!49 = !DILocation(line: 30, column: 16, scope: !47)
!50 = !DILocalVariable(name: "cat", scope: !47, file: !1, line: 31, type: !12)
!51 = !DILocation(line: 31, column: 16, scope: !47)
!52 = !DILocalVariable(name: "pangolin", scope: !47, file: !1, line: 32, type: !12)
!53 = !DILocation(line: 32, column: 16, scope: !47)
!54 = !DILocation(line: 33, column: 7, scope: !47)
!55 = !DILocation(line: 34, column: 10, scope: !47)
!56 = !DILocation(line: 34, column: 3, scope: !47)
!57 = distinct !DISubprogram(name: "f3", scope: !1, file: !1, line: 37, type: !36, isLocal: false, isDefinition: true, scopeLine: 37, isOptimized: false, unit: !0, retainedNodes: !2)
!58 = !DILocalVariable(name: "dog", scope: !57, file: !1, line: 38, type: !12)
!59 = !DILocation(line: 38, column: 16, scope: !57)
!60 = !DILocalVariable(name: "cat", scope: !57, file: !1, line: 39, type: !12)
!61 = !DILocation(line: 39, column: 16, scope: !57)
!62 = !DILocalVariable(name: "pangolin", scope: !57, file: !1, line: 40, type: !12)
!63 = !DILocation(line: 40, column: 16, scope: !57)
!64 = !DILocation(line: 41, column: 7, scope: !57)
!65 = !DILocation(line: 42, column: 10, scope: !57)
!66 = !DILocation(line: 42, column: 3, scope: !57)
!67 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 45, type: !36, isLocal: false, isDefinition: true, scopeLine: 45, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!68 = !DILocalVariable(name: "a", scope: !67, file: !1, line: 46, type: !12)
!69 = !DILocation(line: 46, column: 16, scope: !67)
!70 = !DILocation(line: 47, column: 3, scope: !67)
!71 = !DILocation(line: 48, column: 3, scope: !67)
!72 = !DILocation(line: 49, column: 3, scope: !67)
!73 = !DILocation(line: 51, column: 3, scope: !67)
|
