1 files changed, 44 insertions, 0 deletions
diff --git a/test/Unit/umoddi3_test.c b/test/Unit/umoddi3_test.c
new file mode 100644
index 000000000..3ffa0be84
--- /dev/null
+++ b/test/Unit/umoddi3_test.c
@@ -0,0 +1,44 @@
+//===-- umoddi3_test.c - Test __umoddi3 -----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __umoddi3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// Returns: a % b
+
+du_int __umoddi3(du_int a, du_int b);
+
+int test__umoddi3(du_int a, du_int b, du_int expected_r)
+{
+    du_int r = __umoddi3(a, b);
+    if (r != expected_r)
+        printf("error in __umoddi3: %lld %% %lld = %lld, expected %lld\n",
+               a, b, r, expected_r);
+    return r != expected_r;
+}
+
+int main()
+{
+    if (test__umoddi3(0, 1, 0))
+        return 1;
+    if (test__umoddi3(2, 1, 0))
+        return 1;
+    if (test__umoddi3(0x8000000000000000uLL, 1, 0x0uLL))
+        return 1;
+    if (test__umoddi3(0x8000000000000000uLL, 2, 0x0uLL))
+        return 1;
+    if (test__umoddi3(0xFFFFFFFFFFFFFFFFuLL, 2, 0x1uLL))
+        return 1;
+
+    return 0;
+}