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diff --git a/test/CodeGen/SystemZ/atomic-store-02.ll b/test/CodeGen/SystemZ/atomic-store-02.ll
new file mode 100644
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+++ b/test/CodeGen/SystemZ/atomic-store-02.ll
@@ -0,0 +1,13 @@
+; Test 16-bit atomic stores.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; This is just a placeholder to make sure that stores are handled.
+; The CS-based sequence is probably far too conservative.
+define void @f1(i16 %val, i16 *%src) {
+; CHECK: f1:
+; CHECK: cs
+; CHECK: br %r14
+  store atomic i16 %val, i16 *%src seq_cst, align 2
+  ret void
+}