-mono_llvm_di_create_function (void *di_builder, void *cu, const char *name, const char *mangled_name, const char *dir, const char *file, int line);
+mono_llvm_di_create_function (void *di_builder, void *cu, LLVMValueRef func, const char *name, const char *mangled_name, const char *dir, const char *file, int line);