| ; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections < %s | FileCheck -check-prefix=ASM %s |
| ; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s |
| ; ModuleID = 'dwarf-public-names.cpp' |
| ; |
| ; Generated from: |
| ; |
| ; struct C { |
| ; void member_function(); |
| ; static int static_member_function(); |
| ; static int static_member_variable; |
| ; }; |
| ; |
| ; int C::static_member_variable = 0; |
| ; |
| ; void C::member_function() { |
| ; static_member_variable = 0; |
| ; } |
| ; |
| ; int C::static_member_function() { |
| ; return static_member_variable; |
| ; } |
| ; |
| ; C global_variable; |
| ; |
| ; int global_function() { |
| ; return -1; |
| ; } |
| ; |
| ; namespace ns { |
| ; void global_namespace_function() { |
| ; global_variable.member_function(); |
| ; } |
| ; int global_namespace_variable = 1; |
| ; struct D { |
| ; int A; |
| ; } d; |
| ; } |
| |
| ; ASM: .section .debug_gnu_pubnames |
| ; ASM: .byte 32 # Kind: VARIABLE, EXTERNAL |
| ; ASM-NEXT: .asciz "global_variable" # External Name |
| |
| ; ASM: .section .debug_gnu_pubtypes |
| ; ASM: .byte 16 # Kind: TYPE, EXTERNAL |
| ; ASM-NEXT: .asciz "C" # External Name |
| |
| ; CHECK: .debug_info contents: |
| ; CHECK: Compile Unit: |
| ; CHECK: DW_AT_GNU_pubnames [DW_FORM_flag_present] (true) |
| ; CHECK-NOT: DW_AT_GNU_pubtypes [ |
| |
| ; CHECK: [[STATIC_MEM_VAR:0x[0-9a-f]+]]: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_specification {{.*}} "static_member_variable" |
| |
| ; CHECK: [[C:0x[0-9a-f]+]]: DW_TAG_structure_type |
| ; CHECK-NEXT: DW_AT_name {{.*}} "C" |
| |
| ; CHECK: DW_TAG_member |
| ; CHECK-NEXT: DW_AT_name {{.*}} "static_member_variable" |
| |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NEXT: DW_AT_linkage_name |
| ; CHECK-NEXT: DW_AT_name {{.*}} "member_function" |
| |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NEXT: DW_AT_linkage_name |
| ; CHECK-NEXT: DW_AT_name {{.*}} "static_member_function" |
| |
| ; CHECK: [[INT:0x[0-9a-f]+]]: DW_TAG_base_type |
| ; CHECK-NEXT: DW_AT_name {{.*}} "int" |
| |
| ; CHECK: [[GLOB_VAR:0x[0-9a-f]+]]: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_name {{.*}} "global_variable" |
| |
| ; CHECK: [[NS:0x[0-9a-f]+]]: DW_TAG_namespace |
| ; CHECK-NEXT: DW_AT_name {{.*}} "ns" |
| |
| ; CHECK: [[GLOB_NS_VAR:0x[0-9a-f]+]]: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_variable" |
| ; CHECK-NOT: DW_AT_specification |
| ; CHECK: DW_AT_location |
| ; CHECK-NOT: DW_AT_specification |
| |
| ; CHECK: [[D_VAR:0x[0-9a-f]+]]: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_name {{.*}} "d" |
| ; CHECK-NOT: DW_AT_specification |
| ; CHECK: DW_AT_location |
| ; CHECK-NOT: DW_AT_specification |
| |
| ; CHECK: [[D:0x[0-9a-f]+]]: DW_TAG_structure_type |
| ; CHECK-NEXT: DW_AT_name {{.*}} "D" |
| |
| ; CHECK: [[GLOB_NS_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_linkage_name |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "global_namespace_function" |
| |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "f3" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: [[F3_Z:.*]]: DW_TAG_variable |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "z" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_AT_location |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: NULL |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| |
| ; CHECK: [[OUTER:.*]]: DW_TAG_namespace |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "outer" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: [[OUTER_ANON:.*]]: DW_TAG_namespace |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK-NOT: DW_AT_name |
| ; CHECK: [[OUTER_ANON_C:.*]]: DW_TAG_variable |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "c" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: NULL |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; FIXME: We probably shouldn't bother describing the implicit |
| ; import of the preceding anonymous namespace. This should be fixed |
| ; in clang. |
| ; CHECK: DW_TAG_imported_module |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: NULL |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| |
| ; CHECK: [[ANON:.*]]: DW_TAG_namespace |
| ; CHECK-NOT: DW_AT_name |
| ; CHECK: [[ANON_INNER:.*]]: DW_TAG_namespace |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "inner" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: [[ANON_INNER_B:.*]]: DW_TAG_variable |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "b" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: NULL |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: [[ANON_I:.*]]: DW_TAG_variable |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "i" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: NULL |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| |
| ; CHECK: [[MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_specification {{.*}} "_ZN1C15member_functionEv" |
| |
| ; CHECK: [[STATIC_MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_specification {{.*}} "_ZN1C22static_member_functionEv" |
| |
| ; CHECK: [[GLOBAL_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_linkage_name |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_name {{.*}} "global_function" |
| |
| ; CHECK-LABEL: .debug_gnu_pubnames contents: |
| ; CHECK-NEXT: length = {{.*}} version = 0x0002 unit_offset = 0x00000000 unit_size = {{.*}} |
| ; CHECK-NEXT: Offset Linkage Kind Name |
| ; CHECK-DAG: [[GLOBAL_FUNC]] EXTERNAL FUNCTION "global_function" |
| ; CHECK-DAG: [[NS]] EXTERNAL TYPE "ns" |
| ; CHECK-DAG: [[MEM_FUNC]] EXTERNAL FUNCTION "C::member_function" |
| ; CHECK-DAG: [[GLOB_VAR]] EXTERNAL VARIABLE "global_variable" |
| ; CHECK-DAG: [[GLOB_NS_VAR]] EXTERNAL VARIABLE "ns::global_namespace_variable" |
| ; CHECK-DAG: [[GLOB_NS_FUNC]] EXTERNAL FUNCTION "ns::global_namespace_function" |
| ; CHECK-DAG: [[D_VAR]] EXTERNAL VARIABLE "ns::d" |
| ; CHECK-DAG: [[STATIC_MEM_VAR]] EXTERNAL VARIABLE "C::static_member_variable" |
| ; CHECK-DAG: [[STATIC_MEM_FUNC]] EXTERNAL FUNCTION "C::static_member_function" |
| ; CHECK-DAG: [[ANON]] EXTERNAL TYPE "(anonymous namespace)" |
| ; CHECK-DAG: [[ANON_INNER]] EXTERNAL TYPE "(anonymous namespace)::inner" |
| ; CHECK-DAG: [[OUTER]] EXTERNAL TYPE "outer" |
| ; CHECK-DAG: [[OUTER_ANON]] EXTERNAL TYPE "outer::(anonymous namespace)" |
| ; CHECK-DAG: [[ANON_I]] STATIC VARIABLE "(anonymous namespace)::i" |
| ; CHECK-DAG: [[ANON_INNER_B]] STATIC VARIABLE "(anonymous namespace)::inner::b" |
| ; CHECK-DAG: [[OUTER_ANON_C]] STATIC VARIABLE "outer::(anonymous namespace)::c" |
| |
| ; GCC Doesn't put local statics in pubnames, but it seems not unreasonable and |
| ; comes out naturally from LLVM's implementation, so I'm OK with it for now. If |
| ; it's demonstrated that this is a major size concern or degrades debug info |
| ; consumer behavior, feel free to change it. |
| |
| ; CHECK-DAG: [[F3_Z]] STATIC VARIABLE "f3::z" |
| |
| |
| ; CHECK-LABEL: debug_gnu_pubtypes contents: |
| ; CHECK: Offset Linkage Kind Name |
| ; CHECK-DAG: [[C]] EXTERNAL TYPE "C" |
| ; CHECK-DAG: [[D]] EXTERNAL TYPE "ns::D" |
| ; CHECK-DAG: [[INT]] STATIC TYPE "int" |
| |
| %struct.C = type { i8 } |
| %"struct.ns::D" = type { i32 } |
| |
| @_ZN1C22static_member_variableE = global i32 0, align 4 |
| @global_variable = global %struct.C zeroinitializer, align 1 |
| @_ZN2ns25global_namespace_variableE = global i32 1, align 4 |
| @_ZN2ns1dE = global %"struct.ns::D" zeroinitializer, align 4 |
| @_ZZ2f3vE1z = internal global i32 0, align 4 |
| @_ZN12_GLOBAL__N_11iE = internal global i32 0, align 4 |
| @_ZN12_GLOBAL__N_15inner1bE = internal global i32 0, align 4 |
| @_ZN5outer12_GLOBAL__N_11cE = internal global i32 0, align 4 |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_ZN1C15member_functionEv(%struct.C* %this) #0 align 2 { |
| entry: |
| %this.addr = alloca %struct.C*, align 8 |
| store %struct.C* %this, %struct.C** %this.addr, align 8 |
| call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !50, metadata !MDExpression()), !dbg !52 |
| %this1 = load %struct.C*, %struct.C** %this.addr |
| store i32 0, i32* @_ZN1C22static_member_variableE, align 4, !dbg !53 |
| ret void, !dbg !54 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @_ZN1C22static_member_functionEv() #0 align 2 { |
| entry: |
| %0 = load i32, i32* @_ZN1C22static_member_variableE, align 4, !dbg !55 |
| ret i32 %0, !dbg !55 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @_Z15global_functionv() #0 { |
| entry: |
| ret i32 -1, !dbg !56 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_ZN2ns25global_namespace_functionEv() #0 { |
| entry: |
| call void @_ZN1C15member_functionEv(%struct.C* @global_variable), !dbg !57 |
| ret void, !dbg !58 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define i32* @_Z2f3v() #0 { |
| entry: |
| ret i32* @_ZZ2f3vE1z, !dbg !59 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @_Z2f7v() #0 { |
| entry: |
| %0 = load i32, i32* @_ZN12_GLOBAL__N_11iE, align 4, !dbg !60 |
| %call = call i32* @_Z2f3v(), !dbg !60 |
| %1 = load i32, i32* %call, align 4, !dbg !60 |
| %add = add nsw i32 %0, %1, !dbg !60 |
| %2 = load i32, i32* @_ZN12_GLOBAL__N_15inner1bE, align 4, !dbg !60 |
| %add1 = add nsw i32 %add, %2, !dbg !60 |
| %3 = load i32, i32* @_ZN5outer12_GLOBAL__N_11cE, align 4, !dbg !60 |
| %add2 = add nsw i32 %add1, %3, !dbg !60 |
| ret i32 %add2, !dbg !60 |
| } |
| |
| 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" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!47, !48} |
| !llvm.ident = !{!49} |
| |
| !0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !19, globals: !32, imports: !45) |
| !1 = !MDFile(filename: "pubnames.cpp", directory: "/tmp/dbginfo") |
| !2 = !{} |
| !3 = !{!4, !15} |
| !4 = !MDCompositeType(tag: DW_TAG_structure_type, name: "C", line: 1, size: 8, align: 8, file: !1, elements: !5, identifier: "_ZTS1C") |
| !5 = !{!6, !8, !12} |
| !6 = !MDDerivedType(tag: DW_TAG_member, name: "static_member_variable", line: 4, flags: DIFlagStaticMember, file: !1, scope: !"_ZTS1C", baseType: !7) |
| !7 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !8 = !MDSubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !"_ZTS1C", type: !9) |
| !9 = !MDSubroutineType(types: !10) |
| !10 = !{null, !11} |
| !11 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1C") |
| !12 = !MDSubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !"_ZTS1C", type: !13) |
| !13 = !MDSubroutineType(types: !14) |
| !14 = !{!7} |
| !15 = !MDCompositeType(tag: DW_TAG_structure_type, name: "D", line: 28, size: 32, align: 32, file: !1, scope: !16, elements: !17, identifier: "_ZTSN2ns1DE") |
| !16 = !MDNamespace(name: "ns", line: 23, file: !1, scope: null) |
| !17 = !{!18} |
| !18 = !MDDerivedType(tag: DW_TAG_member, name: "A", line: 29, size: 32, align: 32, file: !1, scope: !"_ZTSN2ns1DE", baseType: !7) |
| !19 = !{!20, !21, !22, !24, !27, !31} |
| !20 = !MDSubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 9, file: !1, scope: !"_ZTS1C", type: !9, function: void (%struct.C*)* @_ZN1C15member_functionEv, declaration: !8, variables: !2) |
| !21 = !MDSubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", line: 13, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 13, file: !1, scope: !"_ZTS1C", type: !13, function: i32 ()* @_ZN1C22static_member_functionEv, declaration: !12, variables: !2) |
| !22 = !MDSubprogram(name: "global_function", linkageName: "_Z15global_functionv", line: 19, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 19, file: !1, scope: !23, type: !13, function: i32 ()* @_Z15global_functionv, variables: !2) |
| !23 = !MDFile(filename: "pubnames.cpp", directory: "/tmp/dbginfo") |
| !24 = !MDSubprogram(name: "global_namespace_function", linkageName: "_ZN2ns25global_namespace_functionEv", line: 24, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 24, file: !1, scope: !16, type: !25, function: void ()* @_ZN2ns25global_namespace_functionEv, variables: !2) |
| !25 = !MDSubroutineType(types: !26) |
| !26 = !{null} |
| !27 = !MDSubprogram(name: "f3", linkageName: "_Z2f3v", line: 37, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 37, file: !1, scope: !23, type: !28, function: i32* ()* @_Z2f3v, variables: !2) |
| !28 = !MDSubroutineType(types: !29) |
| !29 = !{!30} |
| !30 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7) |
| !31 = !MDSubprogram(name: "f7", linkageName: "_Z2f7v", line: 54, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 54, file: !1, scope: !23, type: !13, function: i32 ()* @_Z2f7v, variables: !2) |
| !32 = !{!33, !34, !35, !36, !37, !38, !41, !44} |
| !33 = !MDGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", line: 7, isLocal: false, isDefinition: true, scope: null, file: !23, type: !7, variable: i32* @_ZN1C22static_member_variableE, declaration: !6) |
| !34 = !MDGlobalVariable(name: "global_variable", line: 17, isLocal: false, isDefinition: true, scope: null, file: !23, type: !"_ZTS1C", variable: %struct.C* @global_variable) |
| !35 = !MDGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", line: 27, isLocal: false, isDefinition: true, scope: !16, file: !23, type: !7, variable: i32* @_ZN2ns25global_namespace_variableE) |
| !36 = !MDGlobalVariable(name: "d", linkageName: "_ZN2ns1dE", line: 30, isLocal: false, isDefinition: true, scope: !16, file: !23, type: !"_ZTSN2ns1DE", variable: %"struct.ns::D"* @_ZN2ns1dE) |
| !37 = !MDGlobalVariable(name: "z", line: 38, isLocal: true, isDefinition: true, scope: !27, file: !23, type: !7, variable: i32* @_ZZ2f3vE1z) |
| !38 = !MDGlobalVariable(name: "c", linkageName: "_ZN5outer12_GLOBAL__N_11cE", line: 50, isLocal: true, isDefinition: true, scope: !39, file: !23, type: !7, variable: i32* @_ZN5outer12_GLOBAL__N_11cE) |
| !39 = !MDNamespace(line: 49, file: !1, scope: !40) |
| !40 = !MDNamespace(name: "outer", line: 48, file: !1, scope: null) |
| !41 = !MDGlobalVariable(name: "b", linkageName: "_ZN12_GLOBAL__N_15inner1bE", line: 44, isLocal: true, isDefinition: true, scope: !42, file: !23, type: !7, variable: i32* @_ZN12_GLOBAL__N_15inner1bE) |
| !42 = !MDNamespace(name: "inner", line: 43, file: !1, scope: !43) |
| !43 = !MDNamespace(line: 33, file: !1, scope: null) |
| !44 = !MDGlobalVariable(name: "i", linkageName: "_ZN12_GLOBAL__N_11iE", line: 34, isLocal: true, isDefinition: true, scope: !43, file: !23, type: !7, variable: i32* @_ZN12_GLOBAL__N_11iE) |
| !45 = !{!46} |
| !46 = !MDImportedEntity(tag: DW_TAG_imported_module, line: 40, scope: !40, entity: !39) |
| !47 = !{i32 2, !"Dwarf Version", i32 4} |
| !48 = !{i32 2, !"Debug Info Version", i32 3} |
| !49 = !{!"clang version 3.5.0 "} |
| !50 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !20, type: !51) |
| !51 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1C") |
| !52 = !MDLocation(line: 0, scope: !20) |
| !53 = !MDLocation(line: 10, scope: !20) |
| !54 = !MDLocation(line: 11, scope: !20) |
| !55 = !MDLocation(line: 14, scope: !21) |
| !56 = !MDLocation(line: 20, scope: !22) |
| !57 = !MDLocation(line: 25, scope: !24) |
| !58 = !MDLocation(line: 26, scope: !24) |
| !59 = !MDLocation(line: 39, scope: !27) |
| !60 = !MDLocation(line: 55, scope: !31) |