From 72af0dedf9e18911da65b9a5c4906689e868d9fc Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Mon, 8 Jun 2026 17:10:31 +0800
Subject: [legacy] Add functional and performance test suites

---
 rcc-legacy/tests/sysy_lvX/059_sort_test7.sy | 47 +++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 rcc-legacy/tests/sysy_lvX/059_sort_test7.sy

(limited to 'rcc-legacy/tests/sysy_lvX/059_sort_test7.sy')

diff --git a/rcc-legacy/tests/sysy_lvX/059_sort_test7.sy b/rcc-legacy/tests/sysy_lvX/059_sort_test7.sy
new file mode 100644
index 0000000..50561d3
--- /dev/null
+++ b/rcc-legacy/tests/sysy_lvX/059_sort_test7.sy
@@ -0,0 +1,47 @@
+int buf[2][100];
+
+// sort [l, r)
+void merge_sort(int l, int r)
+{
+    if (l + 1 >= r)
+        return;
+
+    int mid = (l + r) / 2;
+    merge_sort(l, mid);
+    merge_sort(mid, r);
+
+    int i = l, j = mid, k = l;
+    while (i < mid && j < r) {
+        if (buf[0][i] < buf[0][j]) {
+            buf[1][k] = buf[0][i];
+            i = i + 1;
+        } else {
+            buf[1][k] = buf[0][j];
+            j = j + 1;
+        }
+        k = k + 1;
+    }
+    while (i < mid) {
+        buf[1][k] = buf[0][i];
+        i = i + 1;
+        k = k + 1;
+    }
+    while (j < r) {
+        buf[1][k] = buf[0][j];
+        j = j + 1;
+        k = k + 1;
+    }
+
+    while (l < r) {
+        buf[0][l] = buf[1][l];
+        l = l + 1;
+    }
+}
+
+int main()
+{
+    int n = getarray(buf[0]);
+    merge_sort(0, n);
+    putarray(n, buf[0]);
+    return 0;
+}
-- 
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