Initial import of compiler-rt.
-
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@74292 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Unit/subvdi3_test.c b/test/Unit/subvdi3_test.c
new file mode 100644
index 0000000..8af7928
--- /dev/null
+++ b/test/Unit/subvdi3_test.c
@@ -0,0 +1,60 @@
+//===-- subvdi3_test.c - Test __subvdi3 -----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __subvdi3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+// Returns: a - b
+
+// Effects: aborts if a - b overflows
+
+di_int __subvdi3(di_int a, di_int b);
+
+int test__subvdi3(di_int a, di_int b)
+{
+ di_int x = __subvdi3(a, b);
+ di_int expected = a - b;
+ if (x != expected)
+ printf("error in test__subvsi3(0x%llX, 0x%llX) = %lld, expected %lld\n",
+ a, b, x, expected);
+ return x != expected;
+}
+
+int main()
+{
+// test__subvdi3(0x8000000000000000LL, 1); // should abort
+// test__subvdi3(0, 0x8000000000000000LL); // should abort
+// test__subvdi3(1, 0x8000000000000000LL); // should abort
+// test__subvdi3(0x7FFFFFFFFFFFFFFFLL, -1); // should abort
+// test__subvdi3(-2, 0x7FFFFFFFFFFFFFFFLL); // should abort
+
+ if (test__subvdi3(0x8000000000000000LL, -1))
+ return 1;
+ if (test__subvdi3(0x8000000000000000LL, 0))
+ return 1;
+ if (test__subvdi3(-1, 0x8000000000000000LL))
+ return 1;
+ if (test__subvdi3(0x7FFFFFFFFFFFFFFLL, 1))
+ return 1;
+ if (test__subvdi3(0x7FFFFFFFFFFFFFFFLL, 0))
+ return 1;
+ if (test__subvdi3(1, 0x7FFFFFFFFFFFFFFLL))
+ return 1;
+ if (test__subvdi3(0, 0x7FFFFFFFFFFFFFFFLL))
+ return 1;
+ if (test__subvdi3(-1, 0x7FFFFFFFFFFFFFFFLL))
+ return 1;
+
+ return 0;
+}