diff options
Diffstat (limited to 'test/builtins/Unit/udivmodsi4_test.c')
-rw-r--r-- | test/builtins/Unit/udivmodsi4_test.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/builtins/Unit/udivmodsi4_test.c b/test/builtins/Unit/udivmodsi4_test.c new file mode 100644 index 000000000000..d734cd1fdf71 --- /dev/null +++ b/test/builtins/Unit/udivmodsi4_test.c @@ -0,0 +1,59 @@ +//===-- udivmodsi4_test.c - Test __udivmodsi4 -----------------------------===// +// +// 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 __udivmodsi4 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a / b + +extern su_int __udivmodsi4(su_int a, su_int b, su_int* rem); + +int test__udivmodsi4(su_int a, su_int b, + su_int expected_result, su_int expected_rem) +{ + su_int rem; + su_int result = __udivmodsi4(a, b, &rem); + if (result != expected_result) { + printf("error in __udivmodsi4: %u / %u = %u, expected %u\n", + a, b, result, expected_result); + return 1; + } + if (rem != expected_rem) { + printf("error in __udivmodsi4: %u mod %u = %u, expected %u\n", + a, b, rem, expected_rem); + return 1; + } + + return 0; +} + + +int main() +{ + if (test__udivmodsi4(0, 1, 0, 0)) + return 1; + + if (test__udivmodsi4(2, 1, 2, 0)) + return 1; + + if (test__udivmodsi4(19, 5, 3, 4)) + return 1; + + if (test__udivmodsi4(0x80000000, 8, 0x10000000, 0)) + return 1; + + if (test__udivmodsi4(0x80000003, 8, 0x10000000, 3)) + return 1; + + return 0; +} |