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267 lines
12 KiB
267 lines
12 KiB
4 months ago
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; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-unknown-linux-gnu -dwarf-version=4
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; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=PRESENT
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; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=ABSENT
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; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-apple-darwin -dwarf-version=4
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; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=DARWINP
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; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=DARWINA
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; Verify that attributes we do want are PRESENT;
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; verify that attributes we don't want are ABSENT.
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; It's a lot easier to do this in two passes than in one.
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; PR14471
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; LLVM IR generated using: clang -emit-llvm -S -g
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; (with the Clang part of this patch applied).
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;
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; class C
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; {
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; static int a;
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; const static bool const_a = true;
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; protected:
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; static int b;
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; const static float const_b = 3.14;
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; public:
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; static int c;
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; const static int const_c = 18;
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; int d;
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; };
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;
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; int C::a = 4;
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; int C::b = 2;
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; int C::c = 1;
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;
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; int main()
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; {
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; C instance_C;
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; instance_C.d = 8;
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; return C::c;
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; }
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source_filename = "test/DebugInfo/X86/debug-info-static-member.ll"
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%class.C = type { i32 }
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@_ZN1C1aE = global i32 4, align 4, !dbg !0
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@_ZN1C1bE = global i32 2, align 4, !dbg !18
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@_ZN1C1cE = global i32 1, align 4, !dbg !20
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; Function Attrs: nounwind uwtable
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define i32 @main() #0 !dbg !26 {
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entry:
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%retval = alloca i32, align 4
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%instance_C = alloca %class.C, align 4
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store i32 0, i32* %retval
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call void @llvm.dbg.declare(metadata %class.C* %instance_C, metadata !29, metadata !30), !dbg !31
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%d = getelementptr inbounds %class.C, %class.C* %instance_C, i32 0, i32 0, !dbg !32
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store i32 8, i32* %d, align 4, !dbg !32
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%0 = load i32, i32* @_ZN1C1cE, align 4, !dbg !33
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ret i32 %0, !dbg !33
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { nounwind uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!22}
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!llvm.module.flags = !{!25}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "a", linkageName: "_ZN1C1aE", scope: null, file: !2, line: 14, type: !3, isLocal: false, isDefinition: true, declaration: !4)
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!2 = !DIFile(filename: "/usr/local/google/home/blaikie/Development/llvm/src/tools/clang/test/CodeGenCXX/debug-info-static-member.cpp", directory: "/home/blaikie/local/Development/llvm/build/clang/x86-64/Debug/llvm")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !5, file: !2, line: 3, baseType: !3, flags: DIFlagPrivate | DIFlagStaticMember)
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!5 = !DICompositeType(tag: DW_TAG_class_type, name: "C", file: !2, line: 1, size: 32, align: 32, elements: !6)
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!6 = !{!4, !7, !10, !11, !14, !15, !17}
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!7 = !DIDerivedType(tag: DW_TAG_member, name: "const_a", scope: !5, file: !2, line: 4, baseType: !8, flags: DIFlagPrivate | DIFlagStaticMember, extraData: i1 true)
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!8 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !9)
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!9 = !DIBasicType(name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !5, file: !2, line: 6, baseType: !3, flags: DIFlagProtected | DIFlagStaticMember)
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!11 = !DIDerivedType(tag: DW_TAG_member, name: "const_b", scope: !5, file: !2, line: 7, baseType: !12, flags: DIFlagProtected | DIFlagStaticMember, extraData: float 0x40091EB860000000)
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!12 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13)
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!13 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!14 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !5, file: !2, line: 9, baseType: !3, flags: DIFlagPublic | DIFlagStaticMember)
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "const_c", scope: !5, file: !2, line: 10, baseType: !16, flags: DIFlagPublic | DIFlagStaticMember, extraData: i32 18)
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!16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !3)
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!17 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !5, file: !2, line: 11, baseType: !3, size: 32, align: 32, flags: DIFlagPublic)
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!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression())
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!19 = !DIGlobalVariable(name: "b", linkageName: "_ZN1C1bE", scope: null, file: !2, line: 15, type: !3, isLocal: false, isDefinition: true, declaration: !10)
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!20 = !DIGlobalVariableExpression(var: !21, expr: !DIExpression())
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!21 = !DIGlobalVariable(name: "c", linkageName: "_ZN1C1cE", scope: null, file: !2, line: 16, type: !3, isLocal: false, isDefinition: true, declaration: !14)
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!22 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.3 (trunk 171914)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !23, retainedTypes: !23, globals: !24, imports: !23)
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!23 = !{}
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!24 = !{!0, !18, !20}
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!25 = !{i32 1, !"Debug Info Version", i32 3}
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!26 = distinct !DISubprogram(name: "main", scope: !2, file: !2, line: 18, type: !27, isLocal: false, isDefinition: true, scopeLine: 23, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !22, retainedNodes: !23)
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!27 = !DISubroutineType(types: !28)
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!28 = !{!3}
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!29 = !DILocalVariable(name: "instance_C", scope: !26, file: !2, line: 20, type: !5)
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!30 = !DIExpression()
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!31 = !DILocation(line: 20, scope: !26)
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!32 = !DILocation(line: 21, scope: !26)
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!33 = !DILocation(line: 22, scope: !26)
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; PRESENT verifies that static member declarations have these attributes:
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; external, declaration, accessibility, and either DW_AT_linkage_name
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; (for variables) or DW_AT_const_value (for constants).
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;
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; PRESENT: .debug_info contents:
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; PRESENT: DW_TAG_variable
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; PRESENT-NEXT: DW_AT_specification {{.*}} "a"
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; PRESENT-NEXT: DW_AT_location
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; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"
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; PRESENT: DW_TAG_class_type
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; PRESENT-NEXT: DW_AT_name {{.*}} "C"
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; PRESENT: DW_TAG_member
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; PRESENT-NEXT: DW_AT_name {{.*}} "a"
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; PRESENT: DW_AT_external
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; PRESENT: DW_AT_declaration
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; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
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; PRESENT: DW_TAG_member
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; PRESENT-NEXT: DW_AT_name {{.*}} "const_a"
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; PRESENT: DW_AT_external
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; PRESENT: DW_AT_declaration
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; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
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; PRESENT: DW_AT_const_value {{.*}} (1)
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; PRESENT: DW_TAG_member
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; PRESENT-NEXT: DW_AT_name {{.*}} "b"
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; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
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; PRESENT: DW_TAG_member
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; PRESENT-NEXT: DW_AT_name {{.*}} "const_b"
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; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
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; PRESENT: DW_AT_const_value [DW_FORM_udata] (1078523331)
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; PRESENT: DW_TAG_member
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; PRESENT-NEXT: DW_AT_name {{.*}} "c"
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; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
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; PRESENT: DW_TAG_member
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; PRESENT-NEXT: DW_AT_name {{.*}} "const_c"
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; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
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; PRESENT: DW_AT_const_value {{.*}} (18)
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; While we're here, a normal member has data_member_location and
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; accessibility attributes.
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; PRESENT: DW_TAG_member
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; PRESENT-NEXT: DW_AT_name {{.*}} "d"
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; PRESENT: DW_AT_data_member_location
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; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
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; PRESENT: NULL
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; Definitions point back to their declarations, and have a location.
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; PRESENT: DW_TAG_variable
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; PRESENT-NEXT: DW_AT_specification {{.*}} "b"
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; PRESENT-NEXT: DW_AT_location
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; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"
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; PRESENT: DW_TAG_variable
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; PRESENT-NEXT: DW_AT_specification {{.*}} "c"
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; PRESENT-NEXT: DW_AT_location
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; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"
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; For Darwin gdb:
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; DARWINP: .debug_info contents:
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; DARWINP: DW_TAG_variable
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; DARWINP-NEXT: DW_AT_specification {{.*}} "a"
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; DARWINP-NEXT: DW_AT_location
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; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"
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; DARWINP: DW_TAG_class_type
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; DARWINP-NEXT: DW_AT_name {{.*}} "C"
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; DARWINP: DW_TAG_member
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; DARWINP-NEXT: DW_AT_name {{.*}} "a"
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; DARWINP: DW_AT_external
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; DARWINP: DW_AT_declaration
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; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
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; DARWINP: DW_TAG_member
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; DARWINP-NEXT: DW_AT_name {{.*}} "const_a"
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; DARWINP: DW_AT_external
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; DARWINP: DW_AT_declaration
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; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
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; DARWINP: DW_AT_const_value {{.*}} (1)
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; DARWINP: DW_TAG_member
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; DARWINP-NEXT: DW_AT_name {{.*}} "b"
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; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
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; DARWINP: DW_TAG_member
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; DARWINP-NEXT: DW_AT_name {{.*}} "const_b"
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; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
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; DARWINP: DW_AT_const_value [DW_FORM_udata] (1078523331)
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; DARWINP: DW_TAG_member
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; DARWINP-NEXT: DW_AT_name {{.*}} "c"
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; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
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; DARWINP: DW_TAG_member
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; DARWINP-NEXT: DW_AT_name {{.*}} "const_c"
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; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
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; DARWINP: DW_AT_const_value {{.*}} (18)
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; While we're here, a normal member has data_member_location and
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; accessibility attributes.
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; DARWINP: DW_TAG_member
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; DARWINP-NEXT: DW_AT_name {{.*}} "d"
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; DARWINP: DW_AT_data_member_location
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; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
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; DARWINP: NULL
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; Definitions point back to their declarations, and have a location.
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; DARWINP: DW_TAG_variable
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; DARWINP-NEXT: DW_AT_specification {{.*}} "b"
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; DARWINP-NEXT: DW_AT_location
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; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"
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; DARWINP: DW_TAG_variable
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; DARWINP-NEXT: DW_AT_specification {{.*}} "c"
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; DARWINP-NEXT: DW_AT_location
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; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"
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; ABSENT verifies that static member declarations do not have either
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; DW_AT_location or DW_AT_data_member_location; also, variables do not
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; have DW_AT_const_value and constants do not have DW_AT_linkage_name.
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;
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; ABSENT: .debug_info contents:
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; ABSENT: DW_TAG_member
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; ABSENT: DW_AT_name {{.*}} "a"
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; ABSENT-NOT: DW_AT_const_value
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; ABSENT-NOT: location
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; ABSENT: DW_AT_name {{.*}} "const_a"
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; ABSENT-NOT: DW_AT_linkage_name
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; ABSENT-NOT: location
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; ABSENT: DW_AT_name {{.*}} "b"
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; ABSENT-NOT: DW_AT_const_value
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; ABSENT-NOT: location
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; ABSENT: DW_AT_name {{.*}} "const_b"
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; ABSENT-NOT: DW_AT_linkage_name
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; ABSENT-NOT: location
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; ABSENT: DW_AT_name {{.*}} "c"
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; ABSENT-NOT: DW_AT_const_value
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; ABSENT-NOT: location
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; ABSENT: DW_AT_name {{.*}} "const_c"
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||
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; ABSENT-NOT: DW_AT_linkage_name
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; ABSENT-NOT: location
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|
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; While we're here, a normal member does not have a linkage name, constant
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; value, or DW_AT_location.
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; ABSENT: DW_AT_name {{.*}} "d"
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; ABSENT-NOT: DW_AT_linkage_name
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; ABSENT-NOT: DW_AT_const_value
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; ABSENT-NOT: DW_AT_location
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; ABSENT: NULL
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|
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; For Darwin gdb:
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; DARWINA: .debug_info contents:
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; DARWINA: DW_TAG_member
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||
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; DARWINA: DW_AT_name {{.*}} "a"
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; DARWINA-NOT: DW_AT_const_value
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||
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; DARWINA-NOT: location
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||
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; DARWINA: DW_AT_name {{.*}} "const_a"
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||
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; DARWINA-NOT: DW_AT_linkage_name
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||
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; DARWINA-NOT: location
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||
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; DARWINA: DW_AT_name {{.*}} "b"
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; DARWINA-NOT: DW_AT_const_value
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||
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; DARWINA-NOT: location
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||
|
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; DARWINA: DW_AT_name {{.*}} "const_b"
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; DARWINA-NOT: DW_AT_linkage_name
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; DARWINA-NOT: location
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||
|
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; DARWINA: DW_AT_name {{.*}} "c"
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; DARWINA-NOT: DW_AT_const_value
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||
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; DARWINA-NOT: location
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||
|
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; DARWINA: DW_AT_name {{.*}} "const_c"
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||
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; DARWINA-NOT: DW_AT_linkage_name
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||
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; DARWINA-NOT: location
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||
|
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; While we're here, a normal member does not have a linkage name, constant
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; value, or DW_AT_location.
|
||
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; DARWINA: DW_AT_name {{.*}} "d"
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||
|
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; DARWINA-NOT: DW_AT_linkage_name
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||
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; DARWINA-NOT: DW_AT_const_value
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||
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; DARWINA-NOT: DW_AT_location
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||
|
|
; DARWINA: NULL
|