1 2; RUN: llc < %s -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu 3; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=SINGLE %s 4; RUN: llvm-readobj -S --symbols %t | FileCheck --check-prefix=OBJ_SINGLE %s 5 6; RUN: llc < %s -split-dwarf-file=foo.dwo -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu 7; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s 8; RUN: llvm-readobj -S --symbols %t | FileCheck --check-prefix=OBJ_FISSION %s 9 10; Generated from bar.cpp: 11 12; #line 1 "bar.h" 13; struct bar {}; 14; #line 2 "bar.cpp" 15 16; struct bar b; 17 18; void foo(void) { 19; struct baz {}; 20; baz b; 21; } 22 23; namespace echidna { 24; namespace capybara { 25; namespace mongoose { 26; class fluffy { 27; int a; 28; int b; 29; }; 30 31; fluffy animal; 32; } 33; } 34; } 35 36; namespace { 37; struct walrus { 38; walrus() {} 39; }; 40; } 41 42; walrus w; 43 44; struct wombat { 45; struct { 46; int a; 47; int b; 48; } a_b; 49; }; 50 51; wombat wom; 52 53; SINGLE-LABEL: .debug_info contents: 54; FISSION-LABEL: .debug_info.dwo contents: 55; CHECK: Compile Unit: length = [[CU_SIZE:[0-9a-f]+]] 56 57; CHECK: [[BAR:^0x........]]: DW_TAG_structure_type 58; CHECK-NEXT: DW_AT_declaration 59; CHECK-NEXT: DW_AT_signature {{.*}} (0x1d02f3be30cc5688) 60; CHECK: [[FLUFFY:^0x........]]: DW_TAG_class_type 61; CHECK-NEXT: DW_AT_declaration 62; CHECK-NEXT: DW_AT_signature {{.*}} (0xb04af47397402e77) 63 64; Ensure the CU-local type 'walrus' is not placed in a type unit. 65; CHECK: [[WALRUS:^0x........]]: DW_TAG_structure_type 66; CHECK-NEXT: DW_AT_name{{.*}}"walrus" 67; CHECK-NEXT: DW_AT_byte_size 68; CHECK-NEXT: DW_AT_decl_file 69; CHECK-NEXT: DW_AT_decl_line 70 71; CHECK: [[WOMBAT:^0x........]]: DW_TAG_structure_type 72; CHECK-NEXT: DW_AT_declaration 73; CHECK-NEXT: DW_AT_signature {{.*}} (0xfd756cee88f8a118) 74 75; SINGLE-LABEL: .debug_types contents: 76; FISSION: .debug_types.dwo contents: 77 78; Check that we generate a hash for bar and the value. 79; CHECK-NOT: type_signature 80; CHECK-LABEL: type_signature = 0x1d02f3be30cc5688 81; CHECK: DW_TAG_structure_type 82; FISSION-NEXT: DW_AT_name {{.*}} (indexed {{.*}} "bar" 83; SINGLE-NEXT: DW_AT_name {{.*}} "bar" 84 85; Check that we generate a hash for fluffy and the value. 86; CHECK-NOT: type_signature 87; CHECK-LABEL: type_signature = 0xb04af47397402e77 88; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x9a0124d5a0c21c52) 89; CHECK: DW_TAG_namespace 90; CHECK-NEXT: DW_AT_name{{.*}}"echidna" 91; CHECK: DW_TAG_namespace 92; CHECK-NEXT: DW_AT_name{{.*}}"capybara" 93; CHECK: DW_TAG_namespace 94; CHECK-NEXT: DW_AT_name{{.*}}"mongoose" 95; CHECK: DW_TAG_class_type 96; CHECK-NEXT: DW_AT_name{{.*}}"fluffy" 97 98; Check that we generate a hash for wombat and the value, but not for the 99; anonymous type contained within. 100; CHECK-NOT: type_signature 101; CHECK-LABEL: type_signature = 0xfd756cee88f8a118 102; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x685bcc220141e9d7) 103; CHECK: DW_TAG_structure_type 104; CHECK-NEXT: DW_AT_name{{.*}}"wombat" 105 106; CHECK-NOT: type_signature 107; CHECK-LABEL: type_signature = 0xe94f6d3843e62d6b 108; CHECK: DW_TAG_type_unit 109; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) 110; CHECK-NOT: NULL 111; CHECK-NOT: DW_AT_GNU_odr_signature 112; CHECK: DW_TAG_structure_type 113; The signature for the outer 'wombat' type 114; CHECK: DW_AT_signature [DW_FORM_ref_sig8] (0xfd756cee88f8a118) 115; CHECK: DW_TAG_structure_type 116; CHECK-NOT: DW_AT_name 117; CHECK-NOT: DW_AT_GNU_odr_signature 118; CHECK: DW_TAG_member 119; CHECK-NEXT: DW_AT_name{{.*}}"a" 120 121; CHECK-LABEL: .debug_line contents: 122; CHECK: Line table prologue 123; CHECK-NOT: file_names[ 124; SINGLE: file_names[ 125; SINGLE-NEXT: name: "bar.h" 126; CHECK: file_names[ 127; CHECK-NEXT: name: "bar.cpp" 128; CHECK-NOT: file_names[ 129 130; FISSION: .debug_line.dwo contents: 131; CHECK-NOT: .debug_line.dwo contents: 132; FISSION: Line table prologue 133; FISSION: opcode_base: 1 134; FISSION-NOT: standard_opcode_lengths 135; FISSION-NOT: include_directories 136; FISSION-NOT: file_names[ 137; FISSION: file_names[ 138; FISSION-NEXT: name: "bar.h" 139; FISSION: file_names[ 140; FISSION-NEXT: name: "bar.cpp" 141; FISSION-NOT: file_names[ 142 143; CHECK-LABEL: .debug_str contents: 144 145; Use the unit size as a rough hash/identifier for the unit we're dealing with 146; it happens to be unambiguous at the moment, but it's hardly ideal. 147; CHECK-LABEL: .debug_pubtypes contents: 148; Don't emit pubtype entries for type DIEs in the compile unit that just indirect to a type unit. 149; CHECK-NEXT: unit_size = [[CU_SIZE]] 150; CHECK-NEXT: Offset Name 151; CHECK-DAG: [[BAR]] "bar" 152; CHECK-DAG: [[WALRUS]] "(anonymous namespace)::walrus" 153; CHECK-DAG: [[WOMBAT]] "wombat" 154; CHECK-DAG: [[FLUFFY]] "echidna::capybara::mongoose::fluffy" 155 156; Make sure debug_types are in comdat groups. This could be more rigid to check 157; that they're the right comdat groups (each type in a separate comdat group, 158; etc) 159; OBJ_SINGLE: Name: .debug_types ( 160; OBJ_SINGLE-NOT: } 161; OBJ_SINGLE: SHF_GROUP 162 163; Fission type units don't go in comdat groups, since their linker is debug 164; aware it's handled using the debug info semantics rather than raw ELF object 165; semantics. 166; OBJ_FISSION: Name: .debug_types.dwo ( 167; OBJ_FISSION-NOT: SHF_GROUP 168; OBJ_FISSION: } 169 170source_filename = "test/DebugInfo/X86/generate-odr-hash.ll" 171 172%struct.bar = type { i8 } 173%"class.echidna::capybara::mongoose::fluffy" = type { i32, i32 } 174%"struct.<anonymous namespace>::walrus" = type { i8 } 175%struct.wombat = type { %struct.anon } 176%struct.anon = type { i32, i32 } 177%struct.baz = type { i8 } 178 179@b = global %struct.bar zeroinitializer, align 1, !dbg !0 180@_ZN7echidna8capybara8mongoose6animalE = global %"class.echidna::capybara::mongoose::fluffy" zeroinitializer, align 4, !dbg !6 181@w = internal global %"struct.<anonymous namespace>::walrus" zeroinitializer, align 1, !dbg !16 182@wom = global %struct.wombat zeroinitializer, align 4, !dbg !25 183@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__I_a, ptr null }] 184 185; Function Attrs: nounwind uwtable 186define void @_Z3foov() #0 !dbg !40 { 187entry: 188 %b = alloca %struct.baz, align 1 189 call void @llvm.dbg.declare(metadata ptr %b, metadata !43, metadata !45), !dbg !46 190 ret void, !dbg !47 191} 192 193; Function Attrs: nounwind readnone 194declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 195 196define internal void @__cxx_global_var_init() section ".text.startup" !dbg !48 { 197entry: 198 call void @_ZN12_GLOBAL__N_16walrusC2Ev(ptr @w), !dbg !49 199 ret void, !dbg !49 200} 201 202; Function Attrs: nounwind uwtable 203define internal void @_ZN12_GLOBAL__N_16walrusC2Ev(ptr %this) unnamed_addr #0 align 2 !dbg !50 { 204entry: 205 %this.addr = alloca ptr, align 8 206 store ptr %this, ptr %this.addr, align 8 207 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !51, metadata !45), !dbg !53 208 %this1 = load ptr, ptr %this.addr 209 ret void, !dbg !54 210} 211 212define internal void @_GLOBAL__I_a() section ".text.startup" !dbg !55 { 213entry: 214 call void @__cxx_global_var_init(), !dbg !57 215 ret void, !dbg !57 216} 217 218attributes #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" } 219attributes #1 = { nounwind readnone } 220 221!llvm.dbg.cu = !{!34} 222!llvm.module.flags = !{!37, !38} 223!llvm.ident = !{!39} 224 225!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 226!1 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true) 227!2 = !DIFile(filename: "bar.cpp", directory: "/tmp/dbginfo") 228!3 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", file: !4, line: 1, size: 8, align: 8, elements: !5, identifier: "_ZTS3bar") 229!4 = !DIFile(filename: "bar.h", directory: "/tmp/dbginfo") 230!5 = !{} 231!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 232!7 = !DIGlobalVariable(name: "animal", linkageName: "_ZN7echidna8capybara8mongoose6animalE", scope: !8, file: !2, line: 18, type: !11, isLocal: false, isDefinition: true) 233!8 = !DINamespace(name: "mongoose", scope: !9) 234!9 = !DINamespace(name: "capybara", scope: !10) 235!10 = !DINamespace(name: "echidna", scope: null) 236!11 = !DICompositeType(tag: DW_TAG_class_type, name: "fluffy", scope: !8, file: !2, line: 13, size: 64, align: 32, elements: !12, identifier: "_ZTSN7echidna8capybara8mongoose6fluffyE") 237!12 = !{!13, !15} 238!13 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !11, file: !2, line: 14, baseType: !14, size: 32, align: 32, flags: DIFlagPrivate) 239!14 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 240!15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !11, file: !2, line: 15, baseType: !14, size: 32, align: 32, offset: 32, flags: DIFlagPrivate) 241!16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression()) 242!17 = !DIGlobalVariable(name: "w", scope: null, file: !2, line: 29, type: !18, isLocal: true, isDefinition: true) 243!18 = !DICompositeType(tag: DW_TAG_structure_type, name: "walrus", scope: !19, file: !2, line: 24, size: 8, align: 8, elements: !20) 244!19 = !DINamespace(scope: null) 245!20 = !{!21} 246!21 = !DISubprogram(name: "walrus", scope: !18, file: !2, line: 25, type: !22, isLocal: false, isDefinition: false, scopeLine: 25, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false) 247!22 = !DISubroutineType(types: !23) 248!23 = !{null, !24} 249!24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !18, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) 250!25 = !DIGlobalVariableExpression(var: !26, expr: !DIExpression()) 251!26 = !DIGlobalVariable(name: "wom", scope: null, file: !2, line: 38, type: !27, isLocal: false, isDefinition: true) 252!27 = !DICompositeType(tag: DW_TAG_structure_type, name: "wombat", file: !2, line: 31, size: 64, align: 32, elements: !28, identifier: "_ZTS6wombat") 253!28 = !{!29} 254!29 = !DIDerivedType(tag: DW_TAG_member, name: "a_b", scope: !27, file: !2, line: 35, baseType: !30, size: 64, align: 32) 255!30 = !DICompositeType(tag: DW_TAG_structure_type, scope: !27, file: !2, line: 32, size: 64, align: 32, elements: !31, identifier: "_ZTSN6wombatUt_E") 256!31 = !{!32, !33} 257!32 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !30, file: !2, line: 33, baseType: !14, size: 32, align: 32) 258!33 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !30, file: !2, line: 34, baseType: !14, size: 32, align: 32, offset: 32) 259!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) 260!35 = !{!3, !11, !27, !30} 261!36 = !{!0, !6, !16, !25} 262!37 = !{i32 2, !"Dwarf Version", i32 4} 263!38 = !{i32 1, !"Debug Info Version", i32 3} 264!39 = !{!"clang version 3.5 "} 265!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) 266!41 = !DISubroutineType(types: !42) 267!42 = !{null} 268!43 = !DILocalVariable(name: "b", scope: !40, file: !2, line: 7, type: !44) 269!44 = !DICompositeType(tag: DW_TAG_structure_type, name: "baz", scope: !40, file: !2, line: 6, size: 8, align: 8, elements: !5) 270!45 = !DIExpression() 271!46 = !DILocation(line: 7, scope: !40) 272!47 = !DILocation(line: 8, scope: !40) 273!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) 274!49 = !DILocation(line: 29, scope: !48) 275!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) 276!51 = !DILocalVariable(name: "this", arg: 1, scope: !50, type: !52, flags: DIFlagArtificial | DIFlagObjectPointer) 277!52 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !18, size: 64, align: 64) 278!53 = !DILocation(line: 0, scope: !50) 279!54 = !DILocation(line: 25, scope: !50) 280!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) 281!56 = !DISubroutineType(types: !5) 282!57 = !DILocation(line: 25, scope: !55) 283 284