1 files changed, 64 insertions, 0 deletions
diff --git a/test/builtins/Unit/fixunstfsi_test.c b/test/builtins/Unit/fixunstfsi_test.c
new file mode 100644
index 000000000000..4bf8fdec607c
--- /dev/null
+++ b/test/builtins/Unit/fixunstfsi_test.c
@@ -0,0 +1,64 @@
+//===--------------- fixunstfsi_test.c - Test __fixunstfsi ----------------===//
+//
+//                     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 __fixunstfsi for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdio.h>
+
+#if __LDBL_MANT_DIG__ == 113
+
+#include "fp_test.h"
+
+unsigned int __fixunstfsi(long double a);
+
+int test__fixunstfsi(long double a, unsigned int expected)
+{
+    unsigned int x = __fixunstfsi(a);
+    int ret = (x != expected);
+
+    if (ret)
+    {
+        printf("error in test__fixunstfsi(%.20Lf) = %u, "
+               "expected %u\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__fixunstfsi(makeInf128(), UINT32_C(0xffffffff)))
+        return 1;
+    if (test__fixunstfsi(0, UINT32_C(0x0)))
+        return 1;
+    if (test__fixunstfsi(0x1.23456789abcdefp+5, UINT32_C(0x24)))
+        return 1;
+    if (test__fixunstfsi(0x1.23456789abcdefp-3, UINT32_C(0x0)))
+        return 1;
+    if (test__fixunstfsi(0x1.23456789abcdefp+20, UINT32_C(0x123456)))
+        return 1;
+    if (test__fixunstfsi(0x1.23456789abcdefp+40, UINT32_C(0xffffffff)))
+        return 1;
+    if (test__fixunstfsi(0x1.23456789abcdefp+256, UINT32_C(0xffffffff)))
+        return 1;
+    if (test__fixunstfsi(-0x1.23456789abcdefp+3, UINT32_C(0x0)))
+        return 1;
+
+#else
+    printf("skipped\n");
+
+#endif
+    return 0;
+}