Rename `tests/codegen` into `tests/codegen-llvm`

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/codegen-llvm/mir_zst_stores.rs b/tests/codegen-llvm/mir_zst_stores.rs
new file mode 100644
index 00000000000..ff1d429cffd
--- /dev/null
+++ b/tests/codegen-llvm/mir_zst_stores.rs
@@ -0,0 +1,19 @@
+//@ compile-flags: -C no-prepopulate-passes
+
+#![crate_type = "lib"]
+use std::marker::PhantomData;
+
+#[derive(Copy, Clone)]
+struct Zst {
+    phantom: PhantomData<Zst>,
+}
+
+// CHECK-LABEL: @mir
+// CHECK-NOT: store{{.*}}undef
+#[no_mangle]
+pub fn mir() {
+    let x = Zst { phantom: PhantomData };
+    let y = (x, 0);
+    drop(y);
+    drop((0, x));
+}