diff --git a/tests/codegen/c-variadic-copy.rs b/tests/codegen/cffi/c-variadic-copy.rs
similarity index 100%
rename from tests/codegen/c-variadic-copy.rs
rename to tests/codegen/cffi/c-variadic-copy.rs
diff --git a/tests/codegen/c-variadic-opt.rs b/tests/codegen/cffi/c-variadic-opt.rs
similarity index 100%
rename from tests/codegen/c-variadic-opt.rs
rename to tests/codegen/cffi/c-variadic-opt.rs
diff --git a/tests/codegen/c-variadic.rs b/tests/codegen/cffi/c-variadic.rs
similarity index 100%
rename from tests/codegen/c-variadic.rs
rename to tests/codegen/cffi/c-variadic.rs