1 files changed, 42 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll b/llvm/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll
new file mode 100644
index 00000000000..62c151bc8d7
--- /dev/null
+++ b/llvm/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll
@@ -0,0 +1,42 @@
+; RUN: opt -analyze -module-debuginfo < %s | FileCheck %s
+
+
+; This module is generated from the following c-code:
+;
+; > union X;
+; >
+; > struct Y {
+; >     union X *x;
+; > };
+; >
+; > struct Y y;
+
+
+; CHECK: Type: Y from /tmp/minimal.c:3 DW_TAG_structure_type
+; CHECK: Type: x from /tmp/minimal.c:4 DW_TAG_member
+; CHECK: Type: DW_TAG_pointer_type
+; CHECK: Type: X from /tmp/minimal.c:1 DW_TAG_structure_type
+
+
+%struct.Y = type { %struct.X* }
+%struct.X = type opaque
+
+@y = common global %struct.Y zeroinitializer, align 8
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!10, !11}
+!llvm.ident = !{!12}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (http://llvm.org/git/clang.git 247b30a043eb8f39ea3708e7e995089da0a6b00f) (http://llvm.org/git/llvm.git 6ecc7365a89c771fd229bdd9ffcc178684ea1aa5)", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !3, imports: !2)
+!1 = !DIFile(filename: "minimal.c", directory: "/tmp")
+!2 = !{}
+!3 = !{!4}
+!4 = !DIGlobalVariable(name: "y", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, variable: %struct.Y* @y)
+!5 = !DICompositeType(tag: DW_TAG_structure_type, name: "Y", file: !1, line: 3, size: 64, align: 64, elements: !6)
+!6 = !{!7}
+!7 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !5, file: !1, line: 4, baseType: !8, size: 64, align: 64)
+!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, align: 64)
+!9 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", file: !1, line: 1, flags: DIFlagFwdDecl)
+!10 = !{i32 2, !"Dwarf Version", i32 4}
+!11 = !{i32 2, !"Debug Info Version", i32 3}
+!12 = !{!"clang version 3.7.0 (http://llvm.org/git/clang.git 247b30a043eb8f39ea3708e7e995089da0a6b00f) (http://llvm.org/git/llvm.git 6ecc7365a89c771fd229bdd9ffcc178684ea1aa5)"}