1 files changed, 82 insertions, 0 deletions
diff --git a/test/builtins/Unit/arm/aeabi_idivmod_test.c b/test/builtins/Unit/arm/aeabi_idivmod_test.c
new file mode 100644
index 0000000000000..ac1804694d7fc
--- /dev/null
+++ b/test/builtins/Unit/arm/aeabi_idivmod_test.c
@@ -0,0 +1,82 @@
+// REQUIRES-ANY: arm-target-arch,armv6m-target-arch
+// RUN: %clang_builtins %s %librt -o %t && %run %t
+//===-- aeabi_idivmod_test.c - Test __aeabi_idivmod -----------------------===//
+//
+//                     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 __aeabi_idivmod for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+#if __arm__
+// Based on divmodsi4_test.c
+
+extern du_int __aeabi_idivmod(si_int a, si_int b);
+
+int test__aeabi_idivmod(si_int a, si_int b,
+						si_int expected_result, si_int expected_rem)
+{
+	  si_int rem;
+    du_int ret = __aeabi_idivmod(a, b);
+    rem = ret >> 32;
+    si_int result = ret & 0xFFFFFFFF;
+    if (result != expected_result) {
+        printf("error in __aeabi_idivmod: %d / %d = %d, expected %d\n",
+               a, b, result, expected_result);
+		return 1;
+	}
+    if (rem != expected_rem) {
+        printf("error in __aeabi_idivmod: %d mod %d = %d, expected %d\n",
+               a, b, rem, expected_rem);
+		return 1;
+	}
+
+    return 0;
+}
+#endif
+
+
+int main()
+{
+#if __arm__
+    if (test__aeabi_idivmod(0, 1, 0, 0))
+        return 1;
+    if (test__aeabi_idivmod(0, -1, 0, 0))
+        return 1;
+
+    if (test__aeabi_idivmod(2, 1, 2, 0))
+        return 1;
+    if (test__aeabi_idivmod(2, -1, -2, 0))
+        return 1;
+    if (test__aeabi_idivmod(-2, 1, -2, 0))
+        return 1;
+    if (test__aeabi_idivmod(-2, -1, 2, 0))
+        return 1;
+
+	if (test__aeabi_idivmod(7, 5, 1, 2))
+        return 1;
+	if (test__aeabi_idivmod(-7, 5, -1, -2))
+        return 1;
+	if (test__aeabi_idivmod(19, 5, 3, 4))
+        return 1;
+	if (test__aeabi_idivmod(19, -5, -3, 4))
+        return 1;
+
+	if (test__aeabi_idivmod(0x80000000, 8, 0xf0000000, 0))
+        return 1;
+	if (test__aeabi_idivmod(0x80000007, 8, 0xf0000001, -1))
+        return 1;
+#else
+    printf("skipped\n");
+#endif
+
+    return 0;
+}