1 files changed, 71 insertions, 0 deletions
diff --git a/test/builtins/Unit/fixtfdi_test.c b/test/builtins/Unit/fixtfdi_test.c
new file mode 100644
index 000000000000..cc25becb2f7c
--- /dev/null
+++ b/test/builtins/Unit/fixtfdi_test.c
@@ -0,0 +1,71 @@
+//===--------------- fixtfdi_test.c - Test __fixtfdi ----------------------===//
+//
+//                     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 __fixtfdi for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+#if __LDBL_MANT_DIG__ == 113
+
+#include "fp_test.h"
+
+di_int __fixtfdi(long double a);
+
+int test__fixtfdi(long double a, di_int expected)
+{
+    di_int x = __fixtfdi(a);
+    int ret = (x != expected);
+
+    if (ret)
+    {
+        printf("error in test__fixtfdi(%.20Lf) = %llX, "
+               "expected %llX\n", a, x, expected);
+    }
+    return ret;
+}
+
+char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
+
+#endif
+
+int main()
+{
+#if __LDBL_MANT_DIG__ == 113
+    if (test__fixtfdi(makeInf128(), 0x7fffffffffffffffLL))
+        return 1;
+    if (test__fixtfdi(0, 0x0))
+        return 1;
+    if (test__fixtfdi(0x1.23456789abcdefp+5L, 0x24LL))
+        return 1;
+    if (test__fixtfdi(0x1.23456789abcdefp-3L, 0x0LL))
+        return 1;
+    if (test__fixtfdi(0x1.23456789abcdef12345678p+20L, 0x123456LL))
+        return 1;
+    if (test__fixtfdi(0x1.23456789abcdef12345678p+40L, 0x123456789abLL))
+        return 1;
+    if (test__fixtfdi(0x1.23456789abcdef12345678p+60L, 0x123456789abcdef1LL))
+        return 1;
+    if (test__fixtfdi(0x1.23456789abcdefp+256L, 0x7fffffffffffffffLL))
+        return 1;
+    if (test__fixtfdi(-0x1.23456789abcdefp+20L, 0xffffffffffedcbaaLL))
+        return 1;
+    if (test__fixtfdi(-0x1.23456789abcdefp+40L, 0xfffffedcba987655LL))
+        return 1;
+    if (test__fixtfdi(-0x1.23456789abcdefp+256L, 0x8000000000000000LL))
+        return 1;
+
+#else
+    printf("skipped\n");
+
+#endif
+    return 0;
+}