1 files changed, 110 insertions, 0 deletions
diff --git a/test/Unit/cmpti2_test.c b/test/Unit/cmpti2_test.c
new file mode 100644
index 000000000000..f590ddfe5f67
--- /dev/null
+++ b/test/Unit/cmpti2_test.c
@@ -0,0 +1,110 @@
+//===-- cmpti2_test.c - Test __cmpti2 -------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __cmpti2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#if __x86_64
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// Returns:  if (a <  b) returns 0
+//           if (a == b) returns 1
+//           if (a >  b) returns 2
+
+si_int __cmpti2(ti_int a, ti_int b);
+
+int test__cmpti2(ti_int a, ti_int b, si_int expected)
+{
+    si_int x = __cmpti2(a, b);
+    if (x != expected)
+    {
+        twords at;
+        at.all = a;
+        twords bt;
+        bt.all = b;
+        printf("error in __cmpti2(0x%llX%.16llX, 0x%llX%.16llX) = %d, expected %d\n",
+               at.s.high, at.s.low, bt.s.high, bt.s.low, x, expected);
+    }
+    return x != expected;
+}
+
+char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
+
+#endif
+
+int main()
+{
+#if __x86_64
+    if (test__cmpti2(0, 0, 1))
+        return 1;
+    if (test__cmpti2(1, 1, 1))
+        return 1;
+    if (test__cmpti2(2, 2, 1))
+        return 1;
+    if (test__cmpti2(0x7FFFFFFF, 0x7FFFFFFF, 1))
+        return 1;
+    if (test__cmpti2(0x80000000, 0x80000000, 1))
+        return 1;
+    if (test__cmpti2(0x80000001, 0x80000001, 1))
+        return 1;
+    if (test__cmpti2(0xFFFFFFFF, 0xFFFFFFFF, 1))
+        return 1;
+    if (test__cmpti2(0x000000010000000LL, 0x000000010000000LL, 1))
+        return 1;
+    if (test__cmpti2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
+        return 1;
+
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000300000001LL, 0))
+        return 1;
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000300000002LL, 0))
+        return 1;
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000300000003LL, 0))
+        return 1;
+
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000100000001LL, 2))
+        return 1;
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000100000002LL, 2))
+        return 1;
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000100000003LL, 2))
+        return 1;
+
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000200000001LL, 2))
+        return 1;
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000200000002LL, 1))
+        return 1;
+    if (test__cmpti2(0x0000000200000002LL, 0x0000000200000003LL, 0))
+        return 1;
+
+    if (test__cmpti2(make_ti(2, 2), make_ti(3, 1), 0))
+        return 1;
+    if (test__cmpti2(make_ti(2, 2), make_ti(3, 2), 0))
+        return 1;
+    if (test__cmpti2(make_ti(2, 2), make_ti(3, 3), 0))
+        return 1;
+
+    if (test__cmpti2(make_ti(2, 2), make_ti(1, 1), 2))
+        return 1;
+    if (test__cmpti2(make_ti(2, 2), make_ti(1, 2), 2))
+        return 1;
+    if (test__cmpti2(make_ti(2, 2), make_ti(1, 3), 2))
+        return 1;
+
+    if (test__cmpti2(make_ti(2, 2), make_ti(2, 1), 2))
+        return 1;
+    if (test__cmpti2(make_ti(2, 2), make_ti(2, 2), 1))
+        return 1;
+    if (test__cmpti2(make_ti(2, 2), make_ti(2, 3), 0))
+        return 1;
+
+#endif
+   return 0;
+}