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1 2; RUN: llc < %s -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu3; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=SINGLE %s4; RUN: llvm-readobj -S --symbols %t | FileCheck --check-prefix=OBJ_SINGLE %s5 6; RUN: llc < %s -split-dwarf-file=foo.dwo -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu7; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s8; RUN: llvm-readobj -S --symbols %t | FileCheck --check-prefix=OBJ_FISSION %s9 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_type58; CHECK-NEXT: DW_AT_declaration59; CHECK-NEXT: DW_AT_signature {{.*}} (0x1d02f3be30cc5688)60; CHECK: [[FLUFFY:^0x........]]: DW_TAG_class_type61; CHECK-NEXT: DW_AT_declaration62; 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_type66; CHECK-NEXT: DW_AT_name{{.*}}"walrus"67; CHECK-NEXT: DW_AT_byte_size68; CHECK-NEXT: DW_AT_decl_file69; CHECK-NEXT: DW_AT_decl_line70 71; CHECK: [[WOMBAT:^0x........]]: DW_TAG_structure_type72; CHECK-NEXT: DW_AT_declaration73; 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_signature80; CHECK-LABEL: type_signature = 0x1d02f3be30cc568881; CHECK: DW_TAG_structure_type82; 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_signature87; CHECK-LABEL: type_signature = 0xb04af47397402e7788; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x9a0124d5a0c21c52)89; CHECK: DW_TAG_namespace90; CHECK-NEXT: DW_AT_name{{.*}}"echidna"91; CHECK: DW_TAG_namespace92; CHECK-NEXT: DW_AT_name{{.*}}"capybara"93; CHECK: DW_TAG_namespace94; CHECK-NEXT: DW_AT_name{{.*}}"mongoose"95; CHECK: DW_TAG_class_type96; CHECK-NEXT: DW_AT_name{{.*}}"fluffy"97 98; Check that we generate a hash for wombat and the value, but not for the99; anonymous type contained within.100; CHECK-NOT: type_signature101; CHECK-LABEL: type_signature = 0xfd756cee88f8a118102; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x685bcc220141e9d7)103; CHECK: DW_TAG_structure_type104; CHECK-NEXT: DW_AT_name{{.*}}"wombat"105 106; CHECK-NOT: type_signature107; CHECK-LABEL: type_signature = 0xe94f6d3843e62d6b108; CHECK: DW_TAG_type_unit109; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000)110; CHECK-NOT: NULL111; CHECK-NOT: DW_AT_GNU_odr_signature112; CHECK: DW_TAG_structure_type113; The signature for the outer 'wombat' type114; CHECK: DW_AT_signature [DW_FORM_ref_sig8] (0xfd756cee88f8a118)115; CHECK: DW_TAG_structure_type116; CHECK-NOT: DW_AT_name117; CHECK-NOT: DW_AT_GNU_odr_signature118; CHECK: DW_TAG_member119; CHECK-NEXT: DW_AT_name{{.*}}"a"120 121; CHECK-LABEL: .debug_line contents:122; CHECK: Line table prologue123; 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 prologue133; FISSION: opcode_base: 1134; FISSION-NOT: standard_opcode_lengths135; FISSION-NOT: include_directories136; 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 with146; 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 Name151; 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 check157; 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_GROUP162 163; Fission type units don't go in comdat groups, since their linker is debug164; aware it's handled using the debug info semantics rather than raw ELF object165; semantics.166; OBJ_FISSION: Name: .debug_types.dwo (167; OBJ_FISSION-NOT: SHF_GROUP168; 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 !0180@_ZN7echidna8capybara8mongoose6animalE = global %"class.echidna::capybara::mongoose::fluffy" zeroinitializer, align 4, !dbg !6181@w = internal global %"struct.<anonymous namespace>::walrus" zeroinitializer, align 1, !dbg !16182@wom = global %struct.wombat zeroinitializer, align 4, !dbg !25183@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 uwtable186define void @_Z3foov() #0 !dbg !40 {187entry:188 %b = alloca %struct.baz, align 1189 call void @llvm.dbg.declare(metadata ptr %b, metadata !43, metadata !45), !dbg !46190 ret void, !dbg !47191}192 193; Function Attrs: nounwind readnone194declare void @llvm.dbg.declare(metadata, metadata, metadata) #1195 196define internal void @__cxx_global_var_init() section ".text.startup" !dbg !48 {197entry:198 call void @_ZN12_GLOBAL__N_16walrusC2Ev(ptr @w), !dbg !49199 ret void, !dbg !49200}201 202; Function Attrs: nounwind uwtable203define internal void @_ZN12_GLOBAL__N_16walrusC2Ev(ptr %this) unnamed_addr #0 align 2 !dbg !50 {204entry:205 %this.addr = alloca ptr, align 8206 store ptr %this, ptr %this.addr, align 8207 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !51, metadata !45), !dbg !53208 %this1 = load ptr, ptr %this.addr209 ret void, !dbg !54210}211 212define internal void @_GLOBAL__I_a() section ".text.startup" !dbg !55 {213entry:214 call void @__cxx_global_var_init(), !dbg !57215 ret void, !dbg !57216}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" "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