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llvm-mirror/test/Linker/2011-08-04-Metadata2.ll
Adrian Prantl 7d6813a6c8 Canonicalize the representation of empty an expression in DIGlobalVariableExpression
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
2017-08-30 18:06:51 +00:00

37 lines
1.5 KiB
LLVM

; This file is used by 2011-08-04-Metadata.ll, so it doesn't actually do anything itself
;
; RUN: true
source_filename = "test/Linker/2011-08-04-Metadata2.ll"
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"
target triple = "x86_64-apple-macosx10.7.0"
@x = internal global i32 0, align 4, !dbg !0
; Function Attrs: nounwind ssp uwtable
define void @bar() #0 !dbg !8 {
entry:
store i32 1, i32* @x, align 4, !dbg !11
ret void, !dbg !11
}
attributes #0 = { nounwind ssp uwtable }
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!7}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !6, isLocal: true, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.0 ()", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4, globals: !5)
!3 = !DIFile(filename: "/tmp/two.c", directory: "/Volumes/Lalgate/Slate/D")
!4 = !{}
!5 = !{!0}
!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!7 = !{i32 1, !"Debug Info Version", i32 3}
!8 = distinct !DISubprogram(name: "bar", scope: !3, file: !3, line: 2, type: !9, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !2)
!9 = !DISubroutineType(types: !10)
!10 = !{null}
!11 = !DILocation(line: 2, column: 14, scope: !12)
!12 = distinct !DILexicalBlock(scope: !8, file: !3, line: 2, column: 12)