1 files changed, 50 insertions, 0 deletions
diff --git a/test/builtins/Unit/extendsfdf2vfp_test.c b/test/builtins/Unit/extendsfdf2vfp_test.c
new file mode 100644
index 000000000..c49255e09
--- /dev/null
+++ b/test/builtins/Unit/extendsfdf2vfp_test.c
@@ -0,0 +1,50 @@
+// RUN: %clang_builtins %s %librt -o %t && %run %t
+// REQUIRES: librt_has_extendsfdf2vfp
+//===-- extendsfdf2vfp_test.c - Test __extendsfdf2vfp ---------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __extendsfdf2vfp for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+
+extern COMPILER_RT_ABI double __extendsfdf2vfp(float a);
+
+#if __arm__ && __VFP_FP__
+int test__extendsfdf2vfp(float a)
+{
+    double actual = __extendsfdf2vfp(a);
+    double expected = a;
+    if (actual != expected)
+        printf("error in test__extendsfdf2vfp(%f) = %f, expected %f\n",
+               a, actual, expected);
+    return actual != expected;
+}
+#endif
+
+int main()
+{
+#if __arm__ && __VFP_FP__
+    if (test__extendsfdf2vfp(0.0))
+        return 1;
+    if (test__extendsfdf2vfp(1.0))
+        return 1;
+    if (test__extendsfdf2vfp(-1.0))
+        return 1;
+    if (test__extendsfdf2vfp(3.1415926535))
+        return 1;
+#else
+    printf("skipped\n");
+#endif
+    return 0;
+}