Add basic covariant thunk generation support. WIP.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81585 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index c7aefb64e2..5886035f29 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -365,6 +365,10 @@ public:
   /// GenerateThunk - Generate a thunk for the given method
   llvm::Constant *GenerateThunk(llvm::Function *Fn, const CXXMethodDecl *MD,
                                 bool Extern, int64_t nv, int64_t v);
+  llvm::Constant *GenerateCovariantThunk(llvm::Function *Fn,
+                                         const CXXMethodDecl *MD, bool Extern,
+                                         int64_t nv_t, int64_t v_t,
+                                         int64_t nv_r, int64_t v_r);
 
   void EmitCtorPrologue(const CXXConstructorDecl *CD);