1 files changed, 17 insertions, 0 deletions
diff --git a/tests/sysy_lvX/swap_problem.sy b/tests/sysy_lvX/swap_problem.sy
new file mode 100644
index 0000000..cf872e6
--- /dev/null
+++ b/tests/sysy_lvX/swap_problem.sy
@@ -0,0 +1,17 @@
+int main() {
+    int a;
+    int b;
+    int c;
+    int i;
+    a = 1;
+    b = 2;
+    i = 0;
+    while (i < 9) {
+        putint(a);
+        c = a;
+        a = b;
+        b = c;
+        i = i + 1;
+    }
+    return a;
+}
+\ No newline at end of file