[codeview] emit debug info for indirect virtual base classes
Summary:
Fixes PR28281.
MSVC lists indirect virtual base classes in the field list of a class.
This change makes Clang emit the information necessary for LLVM to
emit such records.
Reviewers: rnk, ruiu, zturner
Differential Revision: https://reviews.llvm.org/D25579
llvm-svn: 285132
diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index d2af9be..f43261a 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -15,12 +15,14 @@
#define LLVM_CLANG_LIB_CODEGEN_CGDEBUGINFO_H
#include "CGBuilder.h"
+#include "clang/AST/DeclCXX.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExternalASTSource.h"
#include "clang/AST/Type.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/Optional.h"
#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/DebugInfo.h"
@@ -32,7 +34,6 @@
}
namespace clang {
-class CXXMethodDecl;
class ClassTemplateSpecializationDecl;
class GlobalDecl;
class ModuleMap;
@@ -218,6 +219,15 @@
SmallVectorImpl<llvm::Metadata *> &EltTys,
llvm::DIType *RecordTy);
+ /// Helper function for CollectCXXBases.
+ /// Adds debug info entries for types in Bases that are not in SeenTypes.
+ void CollectCXXBasesAux(const CXXRecordDecl *RD, llvm::DIFile *Unit,
+ SmallVectorImpl<llvm::Metadata *> &EltTys,
+ llvm::DIType *RecordTy,
+ const CXXRecordDecl::base_class_const_range &Bases,
+ llvm::DenseSet<CanonicalDeclPtr<const CXXRecordDecl>> &SeenTypes,
+ llvm::DINode::DIFlags StartingFlags);
+
/// A helper function to collect template parameters.
llvm::DINodeArray CollectTemplateParams(const TemplateParameterList *TPList,
ArrayRef<TemplateArgument> TAList,