diff --git a/tests/codegen-llvm/derive-clone-enum-variants.rs b/tests/codegen-llvm/derive-clone-enum-variants.rs
new file mode 100644
index 0000000000000..cc23de6d7264d
--- /dev/null
+++ b/tests/codegen-llvm/derive-clone-enum-variants.rs
@@ -0,0 +1,26 @@
+//! Regression test for bad codegen of `#[derive(Clone)]` on enums.
+//! Ensures efficient LLVM IR without unnecessary branches.
+//! See <https://github.com/rust-lang/rust/issues/69174>.
+
+//@ compile-flags: -C opt-level=3
+
+#![crate_type = "lib"]
+
+#[derive(Clone)]
+pub enum Foo {
+    A(u8),
+    B(bool),
+}
+
+#[derive(Clone)]
+pub enum Bar {
+    C(Foo),
+    D(u8),
+}
+
+// CHECK-LABEL: @clone_bar
+// CHECK-NOT: icmp
+#[unsafe(no_mangle)]
+pub fn clone_bar(b: &Bar) -> Bar {
+    b.clone()
+}