File: use-debug-info-line-info.s

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.2-4
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,236,292 kB
  • sloc: cpp: 7,619,115; ansic: 1,433,921; asm: 1,058,734; python: 252,125; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,093; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,397; javascript: 2,272; xml: 892; fortran: 770
file content (238 lines) | stat: -rw-r--r-- 10,775 bytes parent folder | download | duplicates (2)
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
# REQUIRES: x86-registered-target
# Test llvm-symbolizer always uses line info from debug info if present.

# It's produced by the following steps.
# 1. Compile with "clang++ test.ll -S -o test.s".
# 2. Replace all "test.ll" with "<invalid>"" except the "test.ll" in first line.
# 3. Replace "/" in Linfo_string2 with "".
# source:
# ; ModuleID = 'test.ll'
# source_filename = "test.ll"
# ; Function Attrs: nounwind
# define void @foo(i32 %i) local_unnamed_addr #0 !dbg !5 {
# entry:
#     #dbg_value(i32 0, !9, !DIExpression(), !11)
#   switch i32 %i, label %if.end3 [
#     i32 5, label %if.end3.sink.split
#     i32 7, label %if.end3.sink.split
#   ], !dbg !11
# if.end3.sink.split:                               ; preds = %entry, %entry
#   tail call void @bar() #0, !dbg !12
#   br label %if.end3, !dbg !13
# if.end3:                                          ; preds = %if.end3.sink.split, %entry
#   tail call void @bar() #0, !dbg !13
#   ret void, !dbg !14
# }
# declare dso_local void @bar()
# attributes #0 = { nounwind }
# !llvm.dbg.cu = !{!0}
# !llvm.debugify = !{!2, !3}
# !llvm.module.flags = !{!4}
# !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
# !1 = !DIFile(filename: "test.ll", directory: "/")
# !2 = !{i32 7}
# !3 = !{i32 1}
# !4 = !{i32 2, !"Debug Info Version", i32 3}
# !5 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
# !6 = !DISubroutineType(types: !7)
# !7 = !{}
# !8 = !{!9}
# !9 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !10)
# !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
# !11 = !DILocation(line: 1, column: 1, scope: !5)
# !12 = !DILocation(line: 0, scope: !5)
# !13 = !DILocation(line: 6, column: 1, scope: !5)
# !14 = !DILocation(line: 7, column: 1, scope: !5)


# RUN: llvm-mc --filetype=obj --triple x86_64-pc-linux %s -o %t
# RUN: llvm-symbolizer --obj=%t 0xd | FileCheck %s
# RUN: llvm-symbolizer --inlining=false --obj=%t 0xd | FileCheck %s
# CHECK:      foo
# CHECK-NEXT: ??:0:0

	.file	"test.ll"
	.text
	.p2align	4
	.type	foo,@function
foo:                                    # @foo
.Lfunc_begin0:
	.file	1 "<invalid>"
	.loc	1 1 0                           # <invalid>:1:0
	.cfi_sections .debug_frame
	.cfi_startproc
# %bb.0:                                # %entry
	pushq	%rax
	.cfi_def_cfa_offset 16
	movl	%edi, %eax
.Ltmp0:
	#DEBUG_VALUE: foo:1 <- 0
	.loc	1 1 1 prologue_end              # <invalid>:1:1
	orl	$2, %eax
	subl	$7, %eax
	je	.LBB0_1
	jmp	.LBB0_2
.Ltmp1:
.LBB0_1:                                # %if.end3.sink.split
	#DEBUG_VALUE: foo:1 <- 0
	.loc	1 0 0 is_stmt 0                 # <invalid>:0
	callq	bar
.Ltmp2:
.LBB0_2:                                # %if.end3
	#DEBUG_VALUE: foo:1 <- 0
	.loc	1 6 1 epilogue_begin is_stmt 1  # <invalid>:6:1
	popq	%rax
	.cfi_def_cfa_offset 8
	jmp	bar                             # TAILCALL
.Ltmp3:
.Lfunc_end0:
	.size	foo, .Lfunc_end0-foo
	.cfi_endproc
                                        # -- End function
	.section	.debug_abbrev,"",@progbits
	.byte	1                               # Abbreviation Code
	.byte	17                              # DW_TAG_compile_unit
	.byte	1                               # DW_CHILDREN_yes
	.byte	37                              # DW_AT_producer
	.byte	14                              # DW_FORM_strp
	.byte	19                              # DW_AT_language
	.byte	5                               # DW_FORM_data2
	.byte	3                               # DW_AT_name
	.byte	14                              # DW_FORM_strp
	.byte	16                              # DW_AT_stmt_list
	.byte	23                              # DW_FORM_sec_offset
	.byte	27                              # DW_AT_comp_dir
	.byte	14                              # DW_FORM_strp
	.ascii	"\264B"                         # DW_AT_GNU_pubnames
	.byte	25                              # DW_FORM_flag_present
	.byte	17                              # DW_AT_low_pc
	.byte	1                               # DW_FORM_addr
	.byte	18                              # DW_AT_high_pc
	.byte	6                               # DW_FORM_data4
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	2                               # Abbreviation Code
	.byte	46                              # DW_TAG_subprogram
	.byte	1                               # DW_CHILDREN_yes
	.byte	17                              # DW_AT_low_pc
	.byte	1                               # DW_FORM_addr
	.byte	18                              # DW_AT_high_pc
	.byte	6                               # DW_FORM_data4
	.byte	64                              # DW_AT_frame_base
	.byte	24                              # DW_FORM_exprloc
	.byte	110                             # DW_AT_linkage_name
	.byte	14                              # DW_FORM_strp
	.byte	3                               # DW_AT_name
	.byte	14                              # DW_FORM_strp
	.byte	58                              # DW_AT_decl_file
	.byte	11                              # DW_FORM_data1
	.byte	59                              # DW_AT_decl_line
	.byte	11                              # DW_FORM_data1
	.byte	63                              # DW_AT_external
	.byte	25                              # DW_FORM_flag_present
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	3                               # Abbreviation Code
	.byte	52                              # DW_TAG_variable
	.byte	0                               # DW_CHILDREN_no
	.byte	28                              # DW_AT_const_value
	.byte	15                              # DW_FORM_udata
	.byte	3                               # DW_AT_name
	.byte	14                              # DW_FORM_strp
	.byte	58                              # DW_AT_decl_file
	.byte	11                              # DW_FORM_data1
	.byte	59                              # DW_AT_decl_line
	.byte	11                              # DW_FORM_data1
	.byte	73                              # DW_AT_type
	.byte	19                              # DW_FORM_ref4
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	4                               # Abbreviation Code
	.byte	36                              # DW_TAG_base_type
	.byte	0                               # DW_CHILDREN_no
	.byte	3                               # DW_AT_name
	.byte	14                              # DW_FORM_strp
	.byte	62                              # DW_AT_encoding
	.byte	11                              # DW_FORM_data1
	.byte	11                              # DW_AT_byte_size
	.byte	11                              # DW_FORM_data1
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	0                               # EOM(3)
	.section	.debug_info,"",@progbits
.Lcu_begin0:
	.long	.Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
	.short	4                               # DWARF version number
	.long	.debug_abbrev                   # Offset Into Abbrev. Section
	.byte	8                               # Address Size (in bytes)
	.byte	1                               # Abbrev [1] 0xb:0x4d DW_TAG_compile_unit
	.long	.Linfo_string0                  # DW_AT_producer
	.short	2                               # DW_AT_language
	.long	.Linfo_string1                  # DW_AT_name
	.long	.Lline_table_start0             # DW_AT_stmt_list
	.long	.Linfo_string2                  # DW_AT_comp_dir
                                        # DW_AT_GNU_pubnames
	.quad	.Lfunc_begin0                   # DW_AT_low_pc
	.long	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
	.byte	2                               # Abbrev [2] 0x2a:0x26 DW_TAG_subprogram
	.quad	.Lfunc_begin0                   # DW_AT_low_pc
	.long	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
	.byte	1                               # DW_AT_frame_base
	.byte	87
	.long	.Linfo_string3                  # DW_AT_linkage_name
	.long	.Linfo_string3                  # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
                                        # DW_AT_external
	.byte	3                               # Abbrev [3] 0x43:0xc DW_TAG_variable
	.byte	0                               # DW_AT_const_value
	.long	.Linfo_string4                  # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
	.long	80                              # DW_AT_type
	.byte	0                               # End Of Children Mark
	.byte	4                               # Abbrev [4] 0x50:0x7 DW_TAG_base_type
	.long	.Linfo_string5                  # DW_AT_name
	.byte	7                               # DW_AT_encoding
	.byte	4                               # DW_AT_byte_size
	.byte	0                               # End Of Children Mark
.Ldebug_info_end0:
	.section	.debug_str,"MS",@progbits,1
.Linfo_string0:
	.asciz	"debugify"                      # string offset=0
.Linfo_string1:
	.asciz	"<invalid>"                       # string offset=9
.Linfo_string2:
	.asciz	""                             # string offset=17
.Linfo_string3:
	.asciz	"foo"                           # string offset=19
.Linfo_string4:
	.asciz	"1"                             # string offset=23
.Linfo_string5:
	.asciz	"ty32"                          # string offset=25
	.section	.debug_pubnames,"",@progbits
	.long	.LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
.LpubNames_start0:
	.short	2                               # DWARF Version
	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
	.long	88                              # Compilation Unit Length
	.long	42                              # DIE offset
	.asciz	"foo"                           # External Name
	.long	0                               # End Mark
.LpubNames_end0:
	.section	.debug_pubtypes,"",@progbits
	.long	.LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
.LpubTypes_start0:
	.short	2                               # DWARF Version
	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
	.long	88                              # Compilation Unit Length
	.long	80                              # DIE offset
	.asciz	"ty32"                          # External Name
	.long	0                               # End Mark
.LpubTypes_end0:
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym bar
	.section	.debug_line,"",@progbits
.Lline_table_start0: