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69e607f200
This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312144 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
2.6 KiB
LLVM
50 lines
2.6 KiB
LLVM
; RUN: llc -O0 -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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source_filename = "test/DebugInfo/X86/enum-class.ll"
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@a = global i32 0, align 4, !dbg !0
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@b = global i64 0, align 8, !dbg !7
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@c = global i32 0, align 4, !dbg !13
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!llvm.dbg.cu = !{!18}
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!llvm.module.flags = !{!22}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo/tmp")
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!3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "A", file: !2, line: 1, baseType: !4, size: 32, align: 32, elements: !5)
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!4 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!5 = !{!6}
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!6 = !DIEnumerator(name: "A1", value: 1)
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!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression()) ; [ DW_TAG_enumerator ]
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!8 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 5, type: !9, isLocal: false, isDefinition: true)
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!9 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "B", file: !2, line: 2, baseType: !10, size: 64, align: 64, elements: !11)
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!10 = !DIBasicType(name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned)
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!11 = !{!12}
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!12 = !DIEnumerator(name: "B1", value: 1) ; [ DW_TAG_enumerator ]
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!13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression())
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!14 = !DIGlobalVariable(name: "c", scope: null, file: !2, line: 6, type: !15, isLocal: false, isDefinition: true)
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!15 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "C", file: !2, line: 3, size: 32, align: 32, elements: !16)
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!16 = !{!17}
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!17 = !DIEnumerator(name: "C1", value: 1) ; [ DW_TAG_enumerator ]
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!18 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.2 (trunk 157269) (llvm/trunk 157264)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !19, retainedTypes: !20, globals: !21, imports: !20)
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!19 = !{!3, !9, !15}
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!20 = !{}
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!21 = !{!0, !7, !13}
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!22 = !{i32 1, !"Debug Info Version", i32 3}
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; CHECK: DW_TAG_enumeration_type [{{.*}}]
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; CHECK: DW_AT_type [DW_FORM_ref4]
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; CHECK: DW_AT_enum_class [DW_FORM_flag_present] (true)
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "A")
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; CHECK: DW_TAG_enumeration_type [{{.*}}] *
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; CHECK: DW_AT_type [DW_FORM_ref4]
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; CHECK: DW_AT_enum_class [DW_FORM_flag_present] (true)
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "B")
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; CHECK: DW_TAG_enumeration_type [6]
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; CHECK-NOT: DW_AT_enum_class
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "C")
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