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a9fbb2813b
This patch reverses the edge from DIGlobalVariable to GlobalVariable. This will allow us to more easily preserve debug info metadata when manipulating global variables. Fixes PR30362. A program for upgrading test cases is attached to that bug. Differential Revision: http://reviews.llvm.org/D20147 llvm-svn: 281284
137 lines
6.9 KiB
LLVM
137 lines
6.9 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-linux-gnu -filetype=obj -o %t.o < %s
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; RUN: llvm-dwarfdump -debug-dump=pubnames %t.o | FileCheck --check-prefix=LINUX %s
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; RUN: llc -mtriple=x86_64-apple-darwin12 -filetype=obj -o %t.o < %s
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; RUN: llvm-dwarfdump -debug-dump=pubnames %t.o | FileCheck --check-prefix=NOPUB %s
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; RUN: llc -mtriple=x86_64-scei-ps4 -filetype=obj -o %t.o < %s
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; RUN: llvm-dwarfdump -debug-dump=pubnames %t.o | FileCheck --check-prefix=NOPUB %s
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; ModuleID = 'dwarf-public-names.cpp'
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;
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; Generated from:
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;
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; struct C {
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; void member_function();
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; static int static_member_function();
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; static int static_member_variable;
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; };
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;
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; int C::static_member_variable = 0;
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;
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; void C::member_function() {
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; static_member_variable = 0;
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; }
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;
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; int C::static_member_function() {
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; return static_member_variable;
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; }
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;
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; C global_variable;
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;
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; int global_function() {
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; return -1;
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; }
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;
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; namespace ns {
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; void global_namespace_function() {
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; global_variable.member_function();
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; }
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; int global_namespace_variable = 1;
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; }
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; Darwin and PS4 shouldn't be generating the section by default
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; NOPUB: debug_pubnames
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; NOPUB-NEXT: {{^$}}
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; Skip the output to the header of the pubnames section.
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; LINUX: debug_pubnames
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; LINUX-NEXT: unit_size = 0x0000012a
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; Check for each name in the output.
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; LINUX-DAG: "ns"
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; LINUX-DAG: "C::static_member_function"
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; LINUX-DAG: "global_variable"
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; LINUX-DAG: "ns::global_namespace_variable"
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; LINUX-DAG: "ns::global_namespace_function"
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; LINUX-DAG: "global_function"
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; LINUX-DAG: "C::static_member_variable"
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; LINUX-DAG: "C::member_function"
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%struct.C = type { i8 }
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@_ZN1C22static_member_variableE = global i32 0, align 4, !dbg !25
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@global_variable = global %struct.C zeroinitializer, align 1, !dbg !26
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@_ZN2ns25global_namespace_variableE = global i32 1, align 4, !dbg !27
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define void @_ZN1C15member_functionEv(%struct.C* %this) nounwind uwtable align 2 !dbg !3 {
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entry:
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%this.addr = alloca %struct.C*, align 8
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store %struct.C* %this, %struct.C** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !28, metadata !DIExpression()), !dbg !30
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%this1 = load %struct.C*, %struct.C** %this.addr
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store i32 0, i32* @_ZN1C22static_member_variableE, align 4, !dbg !31
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ret void, !dbg !32
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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define i32 @_ZN1C22static_member_functionEv() nounwind uwtable align 2 !dbg !18 {
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entry:
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%0 = load i32, i32* @_ZN1C22static_member_variableE, align 4, !dbg !33
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ret i32 %0, !dbg !33
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}
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define i32 @_Z15global_functionv() nounwind uwtable !dbg !19 {
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entry:
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ret i32 -1, !dbg !34
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}
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define void @_ZN2ns25global_namespace_functionEv() nounwind uwtable !dbg !20 {
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entry:
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call void @_ZN1C15member_functionEv(%struct.C* @global_variable), !dbg !35
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ret void, !dbg !36
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}
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attributes #0 = { nounwind uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!38}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 (http://llvm.org/git/clang.git a09cd8103a6a719cb2628cdf0c91682250a17bd2) (http://llvm.org/git/llvm.git 47d03cec0afca0c01ae42b82916d1d731716cd20)", isOptimized: false, emissionKind: FullDebug, file: !37, enums: !1, retainedTypes: !1, globals: !24, imports: !1)
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!1 = !{}
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!3 = distinct !DISubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 9, file: !4, scope: null, type: !5, declaration: !12, variables: !1)
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!4 = !DIFile(filename: "dwarf-public-names.cpp", directory: "/usr2/kparzysz/s.hex/t")
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!5 = !DISubroutineType(types: !6)
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!6 = !{null, !7}
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!7 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !8)
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!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 1, size: 8, align: 8, file: !37, elements: !9)
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!9 = !{!10, !12, !14}
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "static_member_variable", line: 4, flags: DIFlagStaticMember, file: !37, scope: !8, baseType: !11)
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!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !DISubprogram(name: "member_function", linkageName: "_ZN1C15member_functionEv", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !4, scope: !8, type: !5, variables: !13)
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!13 = !{} ; previously: invalid DW_TAG_base_type
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!14 = !DISubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !4, scope: !8, type: !15, variables: !17)
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!15 = !DISubroutineType(types: !16)
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!16 = !{!11}
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!17 = !{} ; previously: invalid DW_TAG_base_type
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!18 = distinct !DISubprogram(name: "static_member_function", linkageName: "_ZN1C22static_member_functionEv", line: 13, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 13, file: !4, scope: null, type: !15, declaration: !14, variables: !1)
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!19 = distinct !DISubprogram(name: "global_function", linkageName: "_Z15global_functionv", line: 19, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 19, file: !4, scope: !4, type: !15, variables: !1)
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!20 = distinct !DISubprogram(name: "global_namespace_function", linkageName: "_ZN2ns25global_namespace_functionEv", line: 24, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 24, file: !4, scope: !21, type: !22, variables: !1)
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!21 = !DINamespace(name: "ns", line: 23, file: !4, scope: null)
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!22 = !DISubroutineType(types: !23)
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!23 = !{null}
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!24 = !{!25, !26, !27}
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!25 = !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", line: 7, isLocal: false, isDefinition: true, scope: !8, file: !4, type: !11, declaration: !10)
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!26 = !DIGlobalVariable(name: "global_variable", line: 17, isLocal: false, isDefinition: true, scope: null, file: !4, type: !8)
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!27 = !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", line: 27, isLocal: false, isDefinition: true, scope: !21, file: !4, type: !11)
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!28 = !DILocalVariable(name: "this", line: 9, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !3, file: !4, type: !29)
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!29 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
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!30 = !DILocation(line: 9, scope: !3)
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!31 = !DILocation(line: 10, scope: !3)
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!32 = !DILocation(line: 11, scope: !3)
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!33 = !DILocation(line: 14, scope: !18)
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!34 = !DILocation(line: 20, scope: !19)
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!35 = !DILocation(line: 25, scope: !20)
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!36 = !DILocation(line: 26, scope: !20)
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!37 = !DIFile(filename: "dwarf-public-names.cpp", directory: "/usr2/kparzysz/s.hex/t")
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!38 = !{i32 1, !"Debug Info Version", i32 3}
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