1 files changed, 92 insertions, 0 deletions
diff --git a/test/Unit/addvti3_test.c b/test/Unit/addvti3_test.c
new file mode 100644
index 000000000..14158e01c
--- /dev/null
+++ b/test/Unit/addvti3_test.c
@@ -0,0 +1,92 @@
+//===-- addvti3_test.c - Test __addvti3 -----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __addvti3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#if __x86_64
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// Returns: a + b
+
+// Effects: aborts if a + b overflows
+
+ti_int __addvti3(ti_int a, ti_int b);
+
+int test__addvti3(ti_int a, ti_int b)
+{
+    ti_int x = __addvti3(a, b);
+    ti_int expected = a + b;
+    if (x != expected)
+    {
+        twords at;
+        at.all = a;
+        twords bt;
+        bt.all = b;
+        twords xt;
+        xt.all = x;
+        twords expectedt;
+        expectedt.all = expected;
+        printf("error in test__addvti3(0x%llX%.16llX, 0x%llX%.16llX) = "
+               "0x%llX%.16llX, expected 0x%llX%.16llX\n",
+                at.high, at.low, bt.high, bt.low, xt.high, xt.low,
+                expectedt.high, expectedt.low);
+    }
+    return x != expected;
+}
+
+#endif
+
+int main()
+{
+#if __x86_64
+// should abort
+//     test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
+//                   make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL));
+// should abort
+//     test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
+//                   make_ti(0x8000000000000000LL, 0x0000000000000000LL));
+// should abort
+//     test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL),
+//                   make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL));
+// should abort
+//     test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
+//                   make_ti(0x0000000000000000LL, 0x0000000000000001LL));
+
+    if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
+                      make_ti(0x0000000000000000LL, 0x0000000000000001LL)))
+        return 1;
+    if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL),
+                      make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
+        return 1;
+    if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
+                      make_ti(0x0000000000000000LL, 0x0000000000000000LL)))
+        return 1;
+    if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL),
+                      make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
+        return 1;
+    if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
+                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
+        return 1;
+    if (test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
+                      make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
+        return 1;
+    if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
+                      make_ti(0x0000000000000000LL, 0x0000000000000000LL)))
+        return 1;
+    if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL),
+                      make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
+        return 1;
+
+#endif
+    return 0;
+}