1 ; REQUIRES: object-emission
3 ; RUN: llc < %s -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu
4 ; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=SINGLE %s
5 ; RUN: llvm-readobj -S --symbols %t | FileCheck --check-prefix=OBJ_SINGLE %s
7 ; RUN: llc < %s -split-dwarf-file=foo.dwo -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu
8 ; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s
9 ; RUN: llvm-readobj -S --symbols %t | FileCheck --check-prefix=OBJ_FISSION %s
11 ; Generated from bar.cpp:
25 ; namespace capybara {
26 ; namespace mongoose {
54 ; SINGLE-LABEL: .debug_info contents:
55 ; FISSION-LABEL: .debug_info.dwo contents:
56 ; CHECK: Compile Unit: length = [[CU_SIZE:[0-9a-f]+]]
58 ; CHECK: [[BAR:^0x........]]: DW_TAG_structure_type
59 ; CHECK-NEXT: DW_AT_declaration
60 ; CHECK-NEXT: DW_AT_signature {{.*}} (0x1d02f3be30cc5688)
61 ; CHECK: [[FLUFFY:^0x........]]: DW_TAG_class_type
62 ; CHECK-NEXT: DW_AT_declaration
63 ; CHECK-NEXT: DW_AT_signature {{.*}} (0xb04af47397402e77)
65 ; Ensure the CU-local type 'walrus' is not placed in a type unit.
66 ; CHECK: [[WALRUS:^0x........]]: DW_TAG_structure_type
67 ; CHECK-NEXT: DW_AT_name{{.*}}"walrus"
68 ; CHECK-NEXT: DW_AT_byte_size
69 ; CHECK-NEXT: DW_AT_decl_file
70 ; CHECK-NEXT: DW_AT_decl_line
72 ; CHECK: [[WOMBAT:^0x........]]: DW_TAG_structure_type
73 ; CHECK-NEXT: DW_AT_declaration
74 ; CHECK-NEXT: DW_AT_signature {{.*}} (0xfd756cee88f8a118)
76 ; SINGLE-LABEL: .debug_types contents:
77 ; FISSION: .debug_types.dwo contents:
79 ; Check that we generate a hash for bar and the value.
80 ; CHECK-NOT: type_signature
81 ; CHECK-LABEL: type_signature = 0x1d02f3be30cc5688
82 ; CHECK: DW_TAG_structure_type
83 ; FISSION-NEXT: DW_AT_name {{.*}} (indexed {{.*}} "bar"
84 ; SINGLE-NEXT: DW_AT_name {{.*}} "bar"
86 ; Check that we generate a hash for fluffy and the value.
87 ; CHECK-NOT: type_signature
88 ; CHECK-LABEL: type_signature = 0xb04af47397402e77
89 ; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x9a0124d5a0c21c52)
90 ; CHECK: DW_TAG_namespace
91 ; CHECK-NEXT: DW_AT_name{{.*}}"echidna"
92 ; CHECK: DW_TAG_namespace
93 ; CHECK-NEXT: DW_AT_name{{.*}}"capybara"
94 ; CHECK: DW_TAG_namespace
95 ; CHECK-NEXT: DW_AT_name{{.*}}"mongoose"
96 ; CHECK: DW_TAG_class_type
97 ; CHECK-NEXT: DW_AT_name{{.*}}"fluffy"
99 ; Check that we generate a hash for wombat and the value, but not for the
100 ; anonymous type contained within.
101 ; CHECK-NOT: type_signature
102 ; CHECK-LABEL: type_signature = 0xfd756cee88f8a118
103 ; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x685bcc220141e9d7)
104 ; CHECK: DW_TAG_structure_type
105 ; CHECK-NEXT: DW_AT_name{{.*}}"wombat"
107 ; CHECK-NOT: type_signature
108 ; CHECK-LABEL: type_signature = 0xe94f6d3843e62d6b
109 ; CHECK: DW_TAG_type_unit
110 ; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000)
112 ; CHECK-NOT: DW_AT_GNU_odr_signature
113 ; CHECK: DW_TAG_structure_type
114 ; The signature for the outer 'wombat' type
115 ; CHECK: DW_AT_signature [DW_FORM_ref_sig8] (0xfd756cee88f8a118)
116 ; CHECK: DW_TAG_structure_type
117 ; CHECK-NOT: DW_AT_name
118 ; CHECK-NOT: DW_AT_GNU_odr_signature
119 ; CHECK: DW_TAG_member
120 ; CHECK-NEXT: DW_AT_name{{.*}}"a"
122 ; CHECK-LABEL: .debug_line contents:
123 ; CHECK: Line table prologue
124 ; CHECK-NOT: file_names[
125 ; SINGLE: file_names[
126 ; SINGLE-NEXT: name: "bar.h"
128 ; CHECK-NEXT: name: "bar.cpp"
129 ; CHECK-NOT: file_names[
131 ; FISSION: .debug_line.dwo contents:
132 ; CHECK-NOT: .debug_line.dwo contents:
133 ; FISSION: Line table prologue
134 ; FISSION: opcode_base: 1
135 ; FISSION-NOT: standard_opcode_lengths
136 ; FISSION-NOT: include_directories
137 ; FISSION-NOT: file_names[
138 ; FISSION: file_names[
139 ; FISSION-NEXT: name: "bar.h"
140 ; FISSION: file_names[
141 ; FISSION-NEXT: name: "bar.cpp"
142 ; FISSION-NOT: file_names[
144 ; CHECK-LABEL: .debug_str contents:
146 ; Use the unit size as a rough hash/identifier for the unit we're dealing with
147 ; it happens to be unambiguous at the moment, but it's hardly ideal.
148 ; CHECK-LABEL: .debug_pubtypes contents:
149 ; Don't emit pubtype entries for type DIEs in the compile unit that just indirect to a type unit.
150 ; CHECK-NEXT: unit_size = [[CU_SIZE]]
151 ; CHECK-NEXT: Offset Name
152 ; CHECK-DAG: [[BAR]] "bar"
153 ; CHECK-DAG: [[WALRUS]] "(anonymous namespace)::walrus"
154 ; CHECK-DAG: [[WOMBAT]] "wombat"
155 ; CHECK-DAG: [[FLUFFY]] "echidna::capybara::mongoose::fluffy"
157 ; Make sure debug_types are in comdat groups. This could be more rigid to check
158 ; that they're the right comdat groups (each type in a separate comdat group,
160 ; OBJ_SINGLE: Name: .debug_types (
162 ; OBJ_SINGLE: SHF_GROUP
164 ; Fission type units don't go in comdat groups, since their linker is debug
165 ; aware it's handled using the debug info semantics rather than raw ELF object
167 ; OBJ_FISSION: Name: .debug_types.dwo (
168 ; OBJ_FISSION-NOT: SHF_GROUP
171 source_filename = "test/DebugInfo/X86/generate-odr-hash.ll"
173 %struct.bar = type { i8 }
174 %"class.echidna::capybara::mongoose::fluffy" = type { i32, i32 }
175 %"struct.<anonymous namespace>::walrus" = type { i8 }
176 %struct.wombat = type { %struct.anon }
177 %struct.anon = type { i32, i32 }
178 %struct.baz = type { i8 }
180 @b = global %struct.bar zeroinitializer, align 1, !dbg !0
181 @_ZN7echidna8capybara8mongoose6animalE = global %"class.echidna::capybara::mongoose::fluffy" zeroinitializer, align 4, !dbg !6
182 @w = internal global %"struct.<anonymous namespace>::walrus" zeroinitializer, align 1, !dbg !16
183 @wom = global %struct.wombat zeroinitializer, align 4, !dbg !25
184 @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__I_a, i8* null }]
186 ; Function Attrs: nounwind uwtable
187 define void @_Z3foov() #0 !dbg !40 {
189 %b = alloca %struct.baz, align 1
190 call void @llvm.dbg.declare(metadata %struct.baz* %b, metadata !43, metadata !45), !dbg !46
194 ; Function Attrs: nounwind readnone
195 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
197 define internal void @__cxx_global_var_init() section ".text.startup" !dbg !48 {
199 call void @_ZN12_GLOBAL__N_16walrusC2Ev(%"struct.<anonymous namespace>::walrus"* @w), !dbg !49
203 ; Function Attrs: nounwind uwtable
204 define internal void @_ZN12_GLOBAL__N_16walrusC2Ev(%"struct.<anonymous namespace>::walrus"* %this) unnamed_addr #0 align 2 !dbg !50 {
206 %this.addr = alloca %"struct.<anonymous namespace>::walrus"*, align 8
207 store %"struct.<anonymous namespace>::walrus"* %this, %"struct.<anonymous namespace>::walrus"** %this.addr, align 8
208 call void @llvm.dbg.declare(metadata %"struct.<anonymous namespace>::walrus"** %this.addr, metadata !51, metadata !45), !dbg !53
209 %this1 = load %"struct.<anonymous namespace>::walrus"*, %"struct.<anonymous namespace>::walrus"** %this.addr
213 define internal void @_GLOBAL__I_a() section ".text.startup" !dbg !55 {
215 call void @__cxx_global_var_init(), !dbg !57
219 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
220 attributes #1 = { nounwind readnone }
222 !llvm.dbg.cu = !{!34}
223 !llvm.module.flags = !{!37, !38}
226 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
227 !1 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true)
228 !2 = !DIFile(filename: "bar.cpp", directory: "/tmp/dbginfo")
229 !3 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", file: !4, line: 1, size: 8, align: 8, elements: !5, identifier: "_ZTS3bar")
230 !4 = !DIFile(filename: "bar.h", directory: "/tmp/dbginfo")
232 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
233 !7 = !DIGlobalVariable(name: "animal", linkageName: "_ZN7echidna8capybara8mongoose6animalE", scope: !8, file: !2, line: 18, type: !11, isLocal: false, isDefinition: true)
234 !8 = !DINamespace(name: "mongoose", scope: !9)
235 !9 = !DINamespace(name: "capybara", scope: !10)
236 !10 = !DINamespace(name: "echidna", scope: null)
237 !11 = !DICompositeType(tag: DW_TAG_class_type, name: "fluffy", scope: !8, file: !2, line: 13, size: 64, align: 32, elements: !12, identifier: "_ZTSN7echidna8capybara8mongoose6fluffyE")
239 !13 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !11, file: !2, line: 14, baseType: !14, size: 32, align: 32, flags: DIFlagPrivate)
240 !14 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
241 !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !11, file: !2, line: 15, baseType: !14, size: 32, align: 32, offset: 32, flags: DIFlagPrivate)
242 !16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
243 !17 = !DIGlobalVariable(name: "w", scope: null, file: !2, line: 29, type: !18, isLocal: true, isDefinition: true)
244 !18 = !DICompositeType(tag: DW_TAG_structure_type, name: "walrus", scope: !19, file: !2, line: 24, size: 8, align: 8, elements: !20)
245 !19 = !DINamespace(scope: null)
247 !21 = !DISubprogram(name: "walrus", scope: !18, file: !2, line: 25, type: !22, isLocal: false, isDefinition: false, scopeLine: 25, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false)
248 !22 = !DISubroutineType(types: !23)
250 !24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !18, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
251 !25 = !DIGlobalVariableExpression(var: !26, expr: !DIExpression())
252 !26 = !DIGlobalVariable(name: "wom", scope: null, file: !2, line: 38, type: !27, isLocal: false, isDefinition: true)
253 !27 = !DICompositeType(tag: DW_TAG_structure_type, name: "wombat", file: !2, line: 31, size: 64, align: 32, elements: !28, identifier: "_ZTS6wombat")
255 !29 = !DIDerivedType(tag: DW_TAG_member, name: "a_b", scope: !27, file: !2, line: 35, baseType: !30, size: 64, align: 32)
256 !30 = !DICompositeType(tag: DW_TAG_structure_type, scope: !27, file: !2, line: 32, size: 64, align: 32, elements: !31, identifier: "_ZTSN6wombatUt_E")
258 !32 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !30, file: !2, line: 33, baseType: !14, size: 32, align: 32)
259 !33 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !30, file: !2, line: 34, baseType: !14, size: 32, align: 32, offset: 32)
260 !34 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, splitDebugFilename: "bar.dwo", emissionKind: FullDebug, enums: !5, retainedTypes: !35, globals: !36, imports: !5)
261 !35 = !{!3, !11, !27, !30}
262 !36 = !{!0, !6, !16, !25}
263 !37 = !{i32 2, !"Dwarf Version", i32 4}
264 !38 = !{i32 1, !"Debug Info Version", i32 3}
265 !39 = !{!"clang version 3.5 "}
266 !40 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !2, file: !2, line: 5, type: !41, isLocal: false, isDefinition: true, scopeLine: 5, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !34, retainedNodes: !5)
267 !41 = !DISubroutineType(types: !42)
269 !43 = !DILocalVariable(name: "b", scope: !40, file: !2, line: 7, type: !44)
270 !44 = !DICompositeType(tag: DW_TAG_structure_type, name: "baz", scope: !40, file: !2, line: 6, size: 8, align: 8, elements: !5)
271 !45 = !DIExpression()
272 !46 = !DILocation(line: 7, scope: !40)
273 !47 = !DILocation(line: 8, scope: !40)
274 !48 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !2, file: !2, line: 29, type: !41, isLocal: true, isDefinition: true, scopeLine: 29, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !34, retainedNodes: !5)
275 !49 = !DILocation(line: 29, scope: !48)
276 !50 = distinct !DISubprogram(name: "walrus", linkageName: "_ZN12_GLOBAL__N_16walrusC2Ev", scope: !18, file: !2, line: 25, type: !22, isLocal: true, isDefinition: true, scopeLine: 25, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !34, declaration: !21, retainedNodes: !5)
277 !51 = !DILocalVariable(name: "this", arg: 1, scope: !50, type: !52, flags: DIFlagArtificial | DIFlagObjectPointer)
278 !52 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !18, size: 64, align: 64)
279 !53 = !DILocation(line: 0, scope: !50)
280 !54 = !DILocation(line: 25, scope: !50)
281 !55 = distinct !DISubprogram(linkageName: "_GLOBAL__I_a", scope: !2, file: !2, line: 25, type: !56, isLocal: true, isDefinition: true, scopeLine: 25, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, unit: !34, retainedNodes: !5)
282 !56 = !DISubroutineType(types: !5)
283 !57 = !DILocation(line: 25, scope: !55)