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0ab6669d6d
This reverts commit 289920 (again). I forgot to implement a Bitcode upgrade for the case where a DIGlobalVariable has not DIExpression. Unfortunately it is not possible to safely upgrade these variables without adding a flag to the bitcode record indicating which version they are. My plan of record is to roll the planned follow-up patch that adds a unit: field to DIGlobalVariable into this patch before recomitting. This way we only need one Bitcode upgrade for both changes (with a version flag in the bitcode record to safely distinguish the record formats). Sorry for the churn! llvm-svn: 289982
37 lines
1.8 KiB
LLVM
37 lines
1.8 KiB
LLVM
; RUN: llvm-link %s %p/2011-08-04-Metadata2.ll -o %t.bc
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; RUN: llvm-dis < %t.bc | FileCheck %s
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; Test if internal global variable's debug info is merged appropriately or not.
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; CHECK: @x = internal global i32 0, align 4, !dbg [[DI1:![0-9]+]]
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; CHECK: @x.1 = internal global i32 0, align 4, !dbg [[DI2:![0-9]+]]
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; CHECK: [[DI1]] = !DIGlobalVariable(name: "x",
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; CHECK-NOT: linkageName:
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; CHECK: [[DI2]] = !DIGlobalVariable(name: "x",
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; CHECK-NOT: linkageName:
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-macosx10.7.0"
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@x = internal global i32 0, align 4, !dbg !5
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define void @foo() nounwind uwtable ssp !dbg !1 {
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entry:
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store i32 1, i32* @x, align 4, !dbg !7
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ret void, !dbg !7
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 ()", isOptimized: true, emissionKind: FullDebug, file: !9, enums: !{}, retainedTypes: !{}, globals: !{!5})
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!1 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, file: !9, scope: !2, type: !3)
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!2 = !DIFile(filename: "/tmp/one.c", directory: "/Volumes/Lalgate/Slate/D")
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!3 = !DISubroutineType(types: !4)
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!4 = !{null}
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!5 = !DIGlobalVariable(name: "x", line: 2, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !6)
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!6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = !DILocation(line: 3, column: 14, scope: !8)
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!8 = distinct !DILexicalBlock(line: 3, column: 12, file: !9, scope: !1)
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!9 = !DIFile(filename: "/tmp/one.c", directory: "/Volumes/Lalgate/Slate/D")
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!11 = !{i32 1, !"Debug Info Version", i32 3}
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