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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
; RUN: llc < %s -mtriple=nvptx64-nvidia-cuda | FileCheck %s
; CHECK: .target sm_{{[0-9]+}}, debug
; CHECK: .visible .func (.param .b32 func_retval0) b(
; CHECK: .param .b32 b_param_0
; CHECK: )
; CHECK: {
; CHECK: .loc 1 1 0
; CHECK: Lfunc_begin0:
; CHECK: .loc 1 1 0
; CHECK: .loc 1 1 0
; CHECK: ret;
; CHECK: Lfunc_end0:
; CHECK: }
; CHECK: .visible .func (.param .b32 func_retval0) a(
; CHECK: .param .b32 a_param_0
; CHECK: )
; CHECK: {
; CHECK: Lfunc_begin1:
; CHECK-NOT: .loc
; CHECK: ret;
; CHECK: Lfunc_end1:
; CHECK: }
; CHECK: .visible .func (.param .b32 func_retval0) d(
; CHECK: .param .b32 d_param_0
; CHECK: )
; CHECK: {
; CHECK: .loc 1 3 0
; CHECK: Lfunc_begin2:
; CHECK: .loc 1 3 0
; CHECK: ret;
; CHECK: Lfunc_end2:
; CHECK: }
; CHECK: .file 1 "{{.*}}b.c"
; Function Attrs: nounwind uwtable
define i32 @b(i32 %c) #0 !dbg !5 {
entry:
%c.addr = alloca i32, align 4
store i32 %c, i32* %c.addr, align 4
call void @llvm.dbg.declare(metadata i32* %c.addr, metadata !13, metadata !DIExpression()), !dbg !14
%0 = load i32, i32* %c.addr, align 4, !dbg !14
%add = add nsw i32 %0, 1, !dbg !14
ret i32 %add, !dbg !14
}
; Function Attrs: nounwind uwtable
define i32 @a(i32 %b) #0 {
entry:
%b.addr = alloca i32, align 4
store i32 %b, i32* %b.addr, align 4
%0 = load i32, i32* %b.addr, align 4
%add = add nsw i32 %0, 1
ret i32 %add
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nounwind uwtable
define i32 @d(i32 %e) #0 !dbg !10 {
entry:
%e.addr = alloca i32, align 4
store i32 %e, i32* %e.addr, align 4
call void @llvm.dbg.declare(metadata i32* %e.addr, metadata !15, metadata !DIExpression()), !dbg !16
%0 = load i32, i32* %e.addr, align 4, !dbg !16
%add = add nsw i32 %0, 1, !dbg !16
ret i32 %add, !dbg !16
}
; CHECK: .section .debug_abbrev
; CHECK-NEXT: {
; CHECK-NEXT: .b8 1 // Abbreviation Code
; CHECK-NEXT: .b8 17 // DW_TAG_compile_unit
; CHECK-NEXT: .b8 1 // DW_CHILDREN_yes
; CHECK-NEXT: .b8 37 // DW_AT_producer
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 19 // DW_AT_language
; CHECK-NEXT: .b8 5 // DW_FORM_data2
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 16 // DW_AT_stmt_list
; CHECK-NEXT: .b8 6 // DW_FORM_data4
; CHECK-NEXT: .b8 27 // DW_AT_comp_dir
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 17 // DW_AT_low_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 18 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 2 // Abbreviation Code
; CHECK-NEXT: .b8 46 // DW_TAG_subprogram
; CHECK-NEXT: .b8 1 // DW_CHILDREN_yes
; CHECK-NEXT: .b8 17 // DW_AT_low_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 18 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 64 // DW_AT_frame_base
; CHECK-NEXT: .b8 10 // DW_FORM_block1
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 58 // DW_AT_decl_file
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 59 // DW_AT_decl_line
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 39 // DW_AT_prototyped
; CHECK-NEXT: .b8 12 // DW_FORM_flag
; CHECK-NEXT: .b8 73 // DW_AT_type
; CHECK-NEXT: .b8 19 // DW_FORM_ref4
; CHECK-NEXT: .b8 63 // DW_AT_external
; CHECK-NEXT: .b8 12 // DW_FORM_flag
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 3 // Abbreviation Code
; CHECK-NEXT: .b8 5 // DW_TAG_formal_parameter
; CHECK-NEXT: .b8 0 // DW_CHILDREN_no
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 58 // DW_AT_decl_file
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 59 // DW_AT_decl_line
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 73 // DW_AT_type
; CHECK-NEXT: .b8 19 // DW_FORM_ref4
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 4 // Abbreviation Code
; CHECK-NEXT: .b8 36 // DW_TAG_base_type
; CHECK-NEXT: .b8 0 // DW_CHILDREN_no
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 62 // DW_AT_encoding
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 11 // DW_AT_byte_size
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 0 // EOM(3)
; CHECK-NEXT: }
; CHECK-NEXT: .section .debug_info
; CHECK-NEXT: {
; CHECK-NEXT: .b32 183 // Length of Unit
; CHECK-NEXT: .b8 2 // DWARF version number
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b32 .debug_abbrev // Offset Into Abbrev. Section
; CHECK-NEXT: .b8 8 // Address Size (in bytes)
; CHECK-NEXT: .b8 1 // Abbrev [1] 0xb:0xb0 DW_TAG_compile_unit
; CHECK-NEXT: .b8 99 // DW_AT_producer
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 103
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 118
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 115
; CHECK-NEXT: .b8 105
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 51
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 53
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 48
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 40
; CHECK-NEXT: .b8 116
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 117
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 107
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 50
; CHECK-NEXT: .b8 48
; CHECK-NEXT: .b8 52
; CHECK-NEXT: .b8 49
; CHECK-NEXT: .b8 54
; CHECK-NEXT: .b8 52
; CHECK-NEXT: .b8 41
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 40
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 118
; CHECK-NEXT: .b8 109
; CHECK-NEXT: .b8 47
; CHECK-NEXT: .b8 116
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 117
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 107
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 50
; CHECK-NEXT: .b8 48
; CHECK-NEXT: .b8 52
; CHECK-NEXT: .b8 49
; CHECK-NEXT: .b8 56
; CHECK-NEXT: .b8 51
; CHECK-NEXT: .b8 41
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 12 // DW_AT_language
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 98 // DW_AT_name
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b32 .debug_line // DW_AT_stmt_list
; CHECK-NEXT: .b8 47 // DW_AT_comp_dir
; CHECK-NEXT: .b8 115
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 117
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b64 Lfunc_begin0 // DW_AT_low_pc
; CHECK-NEXT: .b64 Lfunc_end2 // DW_AT_high_pc
; CHECK-NEXT: .b8 2 // Abbrev [2] 0x65:0x27 DW_TAG_subprogram
; CHECK-NEXT: .b64 Lfunc_begin0 // DW_AT_low_pc
; CHECK-NEXT: .b64 Lfunc_end0 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_AT_frame_base
; CHECK-NEXT: .b8 156
; CHECK-NEXT: .b8 98 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 1 // DW_AT_decl_file
; CHECK-NEXT: .b8 1 // DW_AT_decl_line
; CHECK-NEXT: .b8 1 // DW_AT_prototyped
; CHECK-NEXT: .b32 179 // DW_AT_type
; CHECK-NEXT: .b8 1 // DW_AT_external
; CHECK-NEXT: .b8 3 // Abbrev [3] 0x82:0x9 DW_TAG_formal_parameter
; CHECK-NEXT: .b8 99 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 1 // DW_AT_decl_file
; CHECK-NEXT: .b8 1 // DW_AT_decl_line
; CHECK-NEXT: .b32 179 // DW_AT_type
; CHECK-NEXT: .b8 0 // End Of Children Mark
; CHECK-NEXT: .b8 2 // Abbrev [2] 0x8c:0x27 DW_TAG_subprogram
; CHECK-NEXT: .b64 Lfunc_begin2 // DW_AT_low_pc
; CHECK-NEXT: .b64 Lfunc_end2 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_AT_frame_base
; CHECK-NEXT: .b8 156
; CHECK-NEXT: .b8 100 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 1 // DW_AT_decl_file
; CHECK-NEXT: .b8 3 // DW_AT_decl_line
; CHECK-NEXT: .b8 1 // DW_AT_prototyped
; CHECK-NEXT: .b32 179 // DW_AT_type
; CHECK-NEXT: .b8 1 // DW_AT_external
; CHECK-NEXT: .b8 3 // Abbrev [3] 0xa9:0x9 DW_TAG_formal_parameter
; CHECK-NEXT: .b8 101 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 1 // DW_AT_decl_file
; CHECK-NEXT: .b8 3 // DW_AT_decl_line
; CHECK-NEXT: .b32 179 // DW_AT_type
; CHECK-NEXT: .b8 0 // End Of Children Mark
; CHECK-NEXT: .b8 4 // Abbrev [4] 0xb3:0x7 DW_TAG_base_type
; CHECK-NEXT: .b8 105 // DW_AT_name
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 116
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 5 // DW_AT_encoding
; CHECK-NEXT: .b8 4 // DW_AT_byte_size
; CHECK-NEXT: .b8 0 // End Of Children Mark
; CHECK-NEXT: }
; CHECK-NEXT: .section .debug_loc { }
; CHECK-NOT: debug_
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
!llvm.ident = !{!0, !0}
!llvm.dbg.cu = !{!1}
!llvm.module.flags = !{!11, !12}
!0 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
!1 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", isOptimized: false, emissionKind: FullDebug, file: !2, enums: !3, retainedTypes: !3, globals: !3, imports: !3, nameTableKind: None)
!2 = !DIFile(filename: "b.c", directory: "/source")
!3 = !{}
!5 = distinct !DISubprogram(name: "b", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !1, scopeLine: 1, file: !2, scope: !6, type: !7, retainedNodes: !3)
!6 = !DIFile(filename: "b.c", directory: "/source")
!7 = !DISubroutineType(types: !8)
!8 = !{!9, !9}
!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!10 = distinct !DISubprogram(name: "d", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !1, scopeLine: 3, file: !2, scope: !6, type: !7, retainedNodes: !3)
!11 = !{i32 2, !"Dwarf Version", i32 2}
!12 = !{i32 1, !"Debug Info Version", i32 3}
!13 = !DILocalVariable(name: "c", line: 1, arg: 1, scope: !5, file: !6, type: !9)
!14 = !DILocation(line: 1, scope: !5)
!15 = !DILocalVariable(name: "e", line: 3, arg: 1, scope: !10, file: !6, type: !9)
!16 = !DILocation(line: 3, scope: !10)
|
