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diff --git a/test/CodeGen/SystemZ/atomic-store-01.ll b/test/CodeGen/SystemZ/atomic-store-01.ll
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+++ b/test/CodeGen/SystemZ/atomic-store-01.ll
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+; Test 8-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(i8 %val, i8 *%src) {
+; CHECK: f1:
+; CHECK: cs
+; CHECK: br %r14
+  store atomic i8 %val, i8 *%src seq_cst, align 1
+  ret void
+}