Emit CodeView type records for nested classes.

Differential Revision: http://reviews.llvm.org/D21939

llvm-svn: 274629

1 files changed, 98 insertions, 0 deletions

diff --git a/llvm/test/DebugInfo/COFF/types-nested-class.ll b/llvm/test/DebugInfo/COFF/types-nested-class.ll
new file mode 100644
index 00000000000..65f7f9fc9da
--- /dev/null
+++ b/llvm/test/DebugInfo/COFF/types-nested-class.ll
@@ -0,0 +1,98 @@
+; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s
+
+; C++ source to regenerate:
+; $ cat hello.cpp
+; struct A {
+;   struct Nested {};
+; } a;
+; $ clang hello.cpp -S -emit-llvm -g -gcodeview -o t.ll
+
+; CHECK: CodeViewTypes [
+; CHECK:   Section: .debug$T (5)
+; CHECK:   Magic: 0x4
+; CHECK:   Struct (0x1000) {
+; CHECK:     TypeLeafKind: LF_STRUCTURE (0x1505)
+; CHECK:     MemberCount: 0
+; CHECK:     Properties [ (0x280)
+; CHECK:       ForwardReference (0x80)
+; CHECK:       HasUniqueName (0x200)
+; CHECK:     ]
+; CHECK:     FieldList: 0x0
+; CHECK:     DerivedFrom: 0x0
+; CHECK:     VShape: 0x0
+; CHECK:     SizeOf: 0
+; CHECK:     Name: A
+; CHECK:     LinkageName: .?AUA@@
+; CHECK:   }
+; CHECK:   Struct (0x1001) {
+; CHECK:     TypeLeafKind: LF_STRUCTURE (0x1505)
+; CHECK:     MemberCount: 0
+; CHECK:     Properties [ (0x280)
+; CHECK:       ForwardReference (0x80)
+; CHECK:       HasUniqueName (0x200)
+; CHECK:     ]
+; CHECK:     FieldList: 0x0
+; CHECK:     DerivedFrom: 0x0
+; CHECK:     VShape: 0x0
+; CHECK:     SizeOf: 0
+; CHECK:     Name: A::Nested
+; CHECK:     LinkageName: .?AUNested@A@@
+; CHECK:   }
+; CHECK:   FieldList (0x1002) {
+; CHECK:     TypeLeafKind: LF_FIELDLIST (0x1203)
+; CHECK:     NestedType {
+; CHECK:       Type: A::Nested (0x1001)
+; CHECK:       Name: Nested
+; CHECK:     }
+; CHECK:   }
+; CHECK:   Struct (0x1003) {
+; CHECK:     TypeLeafKind: LF_STRUCTURE (0x1505)
+; CHECK:     MemberCount: 1
+; CHECK:     Properties [ (0x210)
+; CHECK:       ContainsNestedClass (0x10)
+; CHECK:       HasUniqueName (0x200)
+; CHECK:     ]
+; CHECK:     FieldList: <field list> (0x1002)
+; CHECK:     DerivedFrom: 0x0
+; CHECK:     VShape: 0x0
+; CHECK:     SizeOf: 1
+; CHECK:     Name: A
+; CHECK:     LinkageName: .?AUA@@
+; CHECK:   }
+; CHECK:   StringId (0x1004) {
+; CHECK:     TypeLeafKind: LF_STRING_ID (0x1605)
+; CHECK:     Id: 0x0
+; CHECK:     StringData: D:\src\hello\hello.cpp
+; CHECK:   }
+; CHECK:   UdtSourceLine (0x1005) {
+; CHECK:     TypeLeafKind: LF_UDT_SRC_LINE (0x1606)
+; CHECK:     UDT: A (0x1003)
+; CHECK:     SourceFile: D:\src\hello\hello.cpp (0x1004)
+; CHECK:     LineNumber: 1
+; CHECK:   }
+; CHECK: ]
+
+; ModuleID = 'hello.cpp'
+source_filename = "hello.cpp"
+target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
+target triple = "i686-pc-windows-msvc19.0.23918"
+
+%struct.A = type { i8 }
+
+@"\01?a@@3UA@@A" = global %struct.A zeroinitializer, align 1
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!8, !9}
+!llvm.ident = !{!10}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
+!1 = !DIFile(filename: "hello.cpp", directory: "D:\5Csrc\5Chello")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DIGlobalVariable(name: "a", linkageName: "\01?a@@3UA@@A", scope: !0, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, variable: %struct.A* @"\01?a@@3UA@@A")
+!5 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 8, align: 8, elements: !6, identifier: ".?AUA@@")
+!6 = !{!7}
+!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Nested", scope: !5, file: !1, line: 2, size: 8, align: 8, flags: DIFlagFwdDecl, identifier: ".?AUNested@A@@")
+!8 = !{i32 2, !"CodeView", i32 1}
+!9 = !{i32 2, !"Debug Info Version", i32 3}
+!10 = !{!"clang version 3.9.0 "}