DebugInfo: Prepare for deletion of DIDescriptor subclasses

An upcoming LLVM commit will delete all the remaining subclasses of (the
already deleted) `DIDescriptor`.  Stop using them.

llvm-svn: 235403

1 files changed, 6 insertions, 5 deletions

diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index 57c5f81ba90..347927900b2 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -290,7 +290,7 @@ public:
   void EmitUsingDecl(const UsingDecl &UD);
 
   /// \brief Emit C++ namespace alias.
-  llvm::DIImportedEntity EmitNamespaceAlias(const NamespaceAliasDecl &NA);
+  llvm::MDImportedEntity *EmitNamespaceAlias(const NamespaceAliasDecl &NA);
 
   /// \brief Emit record type's standalone debug info.
   llvm::MDType *getOrCreateRecordType(QualType Ty, SourceLocation L);
@@ -376,13 +376,14 @@ private:
   /// decalration represented in the given FunctionDecl.
   llvm::MDSubprogram *getFunctionForwardDeclaration(const FunctionDecl *FD);
 
-  /// \brief Create a DIGlobalVariable describing the forward
-  /// decalration represented in the given VarDecl.
-  llvm::DIGlobalVariable getGlobalVariableForwardDeclaration(const VarDecl *VD);
+  /// \brief Create a global variable describing the forward decalration
+  /// represented in the given VarDecl.
+  llvm::MDGlobalVariable *
+  getGlobalVariableForwardDeclaration(const VarDecl *VD);
 
   /// Return a global variable that represents one of the collection of
   /// global variables created for an anonmyous union.
-  llvm::DIGlobalVariable
+  llvm::MDGlobalVariable *
   CollectAnonRecordDecls(const RecordDecl *RD, llvm::MDFile *Unit,
                          unsigned LineNo, StringRef LinkageName,
                          llvm::GlobalVariable *Var, llvm::MDScope *DContext);