1 files changed, 10 insertions, 0 deletions
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index 8509e0770db6b..10d3b0d9ab02b 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -83,6 +83,9 @@ class CGDebugInfo {
   /// which may change.
   llvm::SmallVector<ObjCInterfaceCacheEntry, 32> ObjCInterfaceCache;
 
+  /// \brief Cache of references to AST files such as PCHs or modules.
+  llvm::DenseMap<uint64_t, llvm::DIModule *> ModuleRefCache;
+
   /// \brief list of interfaces we want to keep even if orphaned.
   std::vector<void *> RetainedTypes;
 
@@ -289,6 +292,9 @@ public:
   /// \brief Emit C++ using declaration.
   void EmitUsingDecl(const UsingDecl &UD);
 
+  /// \brief Emit an @import declaration.
+  void EmitImportDecl(const ImportDecl &ID);
+
   /// \brief Emit C++ namespace alias.
   llvm::DIImportedEntity *EmitNamespaceAlias(const NamespaceAliasDecl &NA);
 
@@ -344,6 +350,10 @@ private:
   /// necessary.
   llvm::DIType *getOrCreateType(QualType Ty, llvm::DIFile *Fg);
 
+  /// \brief Get a reference to a clang module.
+  llvm::DIModule *
+  getOrCreateModuleRef(ExternalASTSource::ASTSourceDescriptor Mod);
+
   /// \brief Get the type from the cache or create a new
   /// partial type if necessary.
   llvm::DIType *getOrCreateLimitedType(const RecordType *Ty, llvm::DIFile *F);