Implement conversion of clang ast types to LLVM types, at least for some trivial
cases.

llvm-svn: 39519
diff --git a/clang/CodeGen/CodeGenModule.h b/clang/CodeGen/CodeGenModule.h
index c971d42..c5d3b93 100644
--- a/clang/CodeGen/CodeGenModule.h
+++ b/clang/CodeGen/CodeGenModule.h
@@ -30,6 +30,8 @@
 public:
   CodeGenModule(ASTContext &C, Module &M) : Context(C), TheModule(M) {}
   
+  ASTContext &getContext() const { return Context; }
+  
   void EmitFunction(FunctionDecl *FD);
   
   void PrintStats() {}