1 files changed, 38 insertions, 0 deletions
diff --git a/test/builtins/Unit/truncdfsf2_test.c b/test/builtins/Unit/truncdfsf2_test.c
new file mode 100644
index 000000000..a208a3a56
--- /dev/null
+++ b/test/builtins/Unit/truncdfsf2_test.c
@@ -0,0 +1,38 @@
+//===--------------- truncdfsf2_test.c - Test __truncdfsf2 ----------------===//
+//
+//                     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 __truncdfsf2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdio.h>
+
+#include "fp_test.h"
+
+float __truncdfsf2(double a);
+
+int test__truncdfsf2(double a)
+{
+    float actual = __truncdfsf2(a);
+    float expected = a;
+
+    if (actual != expected) {
+        printf("error in test__truncdfsf2(%lf) = %f, "
+               "expected %f\n", a, actual, expected);
+        return 1;
+    }
+    return 0;
+}
+
+int main()
+{
+    if (test__truncdfsf2(340282366920938463463374607431768211456.0))
+        return 1;
+    return 0;
+}