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-rw-r--r--llvm/test/DebugInfo/Generic/dbg-at-specficiation.ll21
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/Generic/dbg-at-specficiation.ll b/llvm/test/DebugInfo/Generic/dbg-at-specficiation.ll
new file mode 100644
index 00000000000..7302aaecb93
--- /dev/null
+++ b/llvm/test/DebugInfo/Generic/dbg-at-specficiation.ll
@@ -0,0 +1,21 @@
+; RUN: llc < %s | FileCheck %s
+; Radar 10147769
+; Do not unnecessarily use AT_specification DIE.
+; CHECK-NOT: AT_specification
+
+@a = common global [10 x i32] zeroinitializer, align 16
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!12}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 140253)", isOptimized: true, emissionKind: 0, file: !11, enums: !2, retainedTypes: !2, subprograms: !2, globals: !3)
+!2 = !{}
+!3 = !{!5}
+!5 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7, variable: [10 x i32]* @a)
+!6 = !DIFile(filename: "x.c", directory: "/private/tmp")
+!7 = !DICompositeType(tag: DW_TAG_array_type, size: 320, align: 32, baseType: !8, elements: !9)
+!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !{!10}
+!10 = !DISubrange(count: 10)
+!11 = !DIFile(filename: "x.c", directory: "/private/tmp")
+!12 = !{i32 1, !"Debug Info Version", i32 3}
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