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7d6813a6c8
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%. llvm-svn: 312144
34 lines
1.6 KiB
LLVM
34 lines
1.6 KiB
LLVM
; RUN: opt -strip-debug < %s -S | FileCheck %s
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; CHECK-NOT: call void @llvm.dbg.value
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source_filename = "test/Transforms/StripSymbols/2010-06-30-StripDebug.ll"
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@x = common global i32 0, !dbg !0
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; Function Attrs: nounwind optsize readnone ssp
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define void @foo() #0 !dbg !7 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 0, metadata !10, metadata !12), !dbg !13
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ret void, !dbg !14
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind optsize readnone ssp }
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attributes #1 = { nounwind readnone }
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!llvm.module.flags = !{!4}
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!llvm.dbg.cu = !{!5}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "x", scope: !2, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "b.c", directory: "/tmp")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = !{i32 1, !"Debug Info Version", i32 3}
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!5 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !6)
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!6 = !{!0}
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!7 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !2, file: !2, line: 2, type: !8, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !5)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null}!10 = !DILocalVariable(name: "y", scope: !11, file: !2, line: 3, type: !3)!11 = distinct !DILexicalBlock(scope: !7, file: !2, line: 2)!12 = !DIExpression()!13 = !DILocation(line: 3, scope: !11)!14 = !DILocation(line: 4, scope: !11) |