Initial import of compiler-rt.
-
llvm-svn: 74292
diff --git a/compiler-rt/test/Unit/absvsi2_test.c b/compiler-rt/test/Unit/absvsi2_test.c
new file mode 100644
index 0000000..5584a80
--- /dev/null
+++ b/compiler-rt/test/Unit/absvsi2_test.c
@@ -0,0 +1,64 @@
+//===-- absvsi2_test.c - Test __absvsi2 -----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __absvsi2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// Returns: absolute value
+
+// Effects: aborts if abs(x) < 0
+
+si_int __absvsi2(si_int a);
+
+int test__absvsi2(si_int a)
+{
+ si_int x = __absvsi2(a);
+ si_int expected = a;
+ if (expected < 0)
+ expected = -expected;
+ if (x != expected || expected < 0)
+ printf("error in __absvsi2(0x%X) = %d, expected positive %d\n",
+ a, x, expected);
+ return x != expected;
+}
+
+int main()
+{
+// if (test__absvsi2(0x80000000)) // should abort
+// return 1;
+ if (test__absvsi2(0x00000000))
+ return 1;
+ if (test__absvsi2(0x00000001))
+ return 1;
+ if (test__absvsi2(0x00000002))
+ return 1;
+ if (test__absvsi2(0x7FFFFFFE))
+ return 1;
+ if (test__absvsi2(0x7FFFFFFF))
+ return 1;
+ if (test__absvsi2(0x80000001))
+ return 1;
+ if (test__absvsi2(0x80000002))
+ return 1;
+ if (test__absvsi2(0xFFFFFFFE))
+ return 1;
+ if (test__absvsi2(0xFFFFFFFF))
+ return 1;
+
+ int i;
+ for (i = 0; i < 10000; ++i)
+ if (test__absvsi2(rand()))
+ return 1;
+
+ return 0;
+}