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Diffstat (limited to 'test/Unit/umoddi3_test.c')
-rw-r--r-- | test/Unit/umoddi3_test.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/Unit/umoddi3_test.c b/test/Unit/umoddi3_test.c new file mode 100644 index 000000000..3ffa0be84 --- /dev/null +++ b/test/Unit/umoddi3_test.c @@ -0,0 +1,44 @@ +//===-- umoddi3_test.c - Test __umoddi3 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __umoddi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a % b + +du_int __umoddi3(du_int a, du_int b); + +int test__umoddi3(du_int a, du_int b, du_int expected_r) +{ + du_int r = __umoddi3(a, b); + if (r != expected_r) + printf("error in __umoddi3: %lld %% %lld = %lld, expected %lld\n", + a, b, r, expected_r); + return r != expected_r; +} + +int main() +{ + if (test__umoddi3(0, 1, 0)) + return 1; + if (test__umoddi3(2, 1, 0)) + return 1; + if (test__umoddi3(0x8000000000000000uLL, 1, 0x0uLL)) + return 1; + if (test__umoddi3(0x8000000000000000uLL, 2, 0x0uLL)) + return 1; + if (test__umoddi3(0xFFFFFFFFFFFFFFFFuLL, 2, 0x1uLL)) + return 1; + + return 0; +} |