1 files changed, 25 insertions, 0 deletions
diff --git a/tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus b/tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus
new file mode 100644
index 000000000000..4635739f3974
--- /dev/null
+++ b/tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus
@@ -0,0 +1,25 @@
+C CoRW+poonceonce+Once
+
+(*
+ * Result: Never
+ *
+ * Test of read-write coherence, that is, whether or not a read from
+ * a given variable and a later write to that same variable are ordered.
+ *)
+
+{}
+
+P0(int *x)
+{
+	int r0;
+
+	r0 = READ_ONCE(*x);
+	WRITE_ONCE(*x, 1);
+}
+
+P1(int *x)
+{
+	WRITE_ONCE(*x, 2);
+}
+
+exists (x=2 /\ 0:r0=2)