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/paritysi2_test.c b/test/Unit/paritysi2_test.c
new file mode 100644
index 0000000..f15f90e
--- /dev/null
+++ b/test/Unit/paritysi2_test.c
@@ -0,0 +1,50 @@
+//===-- paritysi2_test.c - Test __paritysi2 -------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __paritysi2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+// Returns: 1 if number of bits is odd else returns 0
+
+si_int __paritysi2(si_int a);
+
+int naive_parity(si_int a)
+{
+ int r = 0;
+ for (; a; a = a & (a - 1))
+ r = ~r;
+ return r & 1;
+}
+
+int test__paritysi2(si_int a)
+{
+ si_int x = __paritysi2(a);
+ si_int expected = naive_parity(a);
+ if (x != expected)
+ printf("error in __paritysi2(0x%X) = %d, expected %d\n",
+ a, x, expected);
+ return x != expected;
+}
+
+char assumption_2[sizeof(si_int)*CHAR_BIT == 32] = {0};
+
+int main()
+{
+ int i;
+ for (i = 0; i < 10000; ++i)
+ if (test__paritysi2(rand()))
+ return 1;
+
+ return 0;
+}