1 files changed, 109 insertions, 0 deletions
diff --git a/test/builtins/Unit/negvti2_test.c b/test/builtins/Unit/negvti2_test.c
new file mode 100644
index 000000000000..8126cdb5b668
--- /dev/null
+++ b/test/builtins/Unit/negvti2_test.c
@@ -0,0 +1,109 @@
+//===-- negvti2_test.c - Test __negvti2 -----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __negvti2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+#ifdef CRT_HAS_128BIT
+
+// Returns: -a
+
+// Effects: aborts if -a overflows
+
+ti_int __negvti2(ti_int a);
+ti_int __negti2(ti_int a);
+
+int test__negvti2(ti_int a)
+{
+    ti_int x = __negvti2(a);
+    ti_int expected = __negti2(a);
+    if (x != expected)
+    {
+        twords at;
+        at.all = a;
+        twords xt;
+        xt.all = x;
+        twords expectedt;
+        expectedt.all = expected;
+        printf("error in __negvti2(0x%.16llX%.16llX) = 0x%.16llX%.16llX, "
+               "expected 0x%.16llX%.16llX\n",
+               at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
+    }
+    return x != expected;
+}
+
+#endif
+
+int main()
+{
+#ifdef CRT_HAS_128BIT
+    if (test__negvti2(0))
+        return 1;
+    if (test__negvti2(1))
+        return 1;
+    if (test__negvti2(-1))
+        return 1;
+    if (test__negvti2(2))
+        return 1;
+    if (test__negvti2(-2))
+        return 1;
+    if (test__negvti2(3))
+        return 1;
+    if (test__negvti2(-3))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
+        return 1;
+//     if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL))) // abort
+//         return 1;
+    if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
+        return 1;
+    if (test__negvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
+        return 1;
+
+#else
+    printf("skipped\n");
+#endif
+   return 0;
+}