1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/Generic/array.ll b/llvm/test/DebugInfo/Generic/array.ll
new file mode 100644
index 00000000000..a9571db23ff
--- /dev/null
+++ b/llvm/test/DebugInfo/Generic/array.ll
@@ -0,0 +1,40 @@
+; RUN: %llc_dwarf -O0 < %s | FileCheck %s
+; Do not emit AT_upper_bound for an unbounded array.
+; radar 9241695
+define i32 @main() nounwind ssp {
+entry:
+  %retval = alloca i32, align 4
+  %a = alloca [0 x i32], align 4
+  store i32 0, i32* %retval
+  call void @llvm.dbg.declare(metadata [0 x i32]* %a, metadata !6, metadata !DIExpression()), !dbg !11
+  ret i32 0, !dbg !12
+}
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!16}
+
+!0 = distinct !DISubprogram(name: "main", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, scopeLine: 3, file: !14, scope: !1, type: !3, function: i32 ()* @main)
+!1 = !DIFile(filename: "array.c", directory: "/private/tmp")
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 129138)", isOptimized: false, emissionKind: 0, file: !14, enums: !15, retainedTypes: !15, subprograms: !13, imports:  null)
+!3 = !DISubroutineType(types: !4)
+!4 = !{!5}
+!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!6 = !DILocalVariable(name: "a", line: 4, scope: !7, file: !1, type: !8)
+!7 = distinct !DILexicalBlock(line: 3, column: 12, file: !14, scope: !0)
+!8 = !DICompositeType(tag: DW_TAG_array_type, align: 32, file: !14, scope: !2, baseType: !5, elements: !9)
+!9 = !{!10}
+;CHECK: section_info:
+;CHECK: DW_TAG_subrange_type
+;CHECK-NEXT: DW_AT_type
+;CHECK-NOT: DW_AT_lower_bound
+;CHECK-NOT: DW_AT_upper_bound
+;CHECK-NEXT: End Of Children Mark
+!10 = !DISubrange(count: -1)
+!11 = !DILocation(line: 4, column: 7, scope: !7)
+!12 = !DILocation(line: 5, column: 3, scope: !7)
+!13 = !{!0}
+!14 = !DIFile(filename: "array.c", directory: "/private/tmp")
+!15 = !{}
+!16 = !{i32 1, !"Debug Info Version", i32 3}