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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
26 lines
1.2 KiB
LLVM
26 lines
1.2 KiB
LLVM
; RUN: llvm-link -S %s %S/debug-info-version-a.ll | FileCheck %s
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source_filename = "debug-info-global-var.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.12.0"
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; CHECK: @g = global i32 0, align 4, !dbg ![[G:[0-9]+]]{{$}}
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@g = global i32 0, align 4, !dbg !0
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!llvm.dbg.cu = !{!1}
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!llvm.module.flags = !{!6, !7, !8}
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!llvm.ident = !{!9}
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; CHECK: ![[G]] = !DIGlobalVariableExpression(var: ![[GVAR:.*]], expr: !DIExpression())
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; CHECK: ![[GVAR]] = distinct !DIGlobalVariable(name: "g"
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!0 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
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!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
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!2 = !DIFile(filename: "debug-info-global-var.c", directory: "/")
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!3 = !{}
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!4 = !{!0}
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!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!6 = !{i32 2, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = !{i32 1, !"PIC Level", i32 2}
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!9 = !{!"clang version 4.0.0 (trunk 286129) (llvm/trunk 286128)"}
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!10 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
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