diff options
Diffstat (limited to 'test/builtins/Unit/moddi3_test.c')
-rw-r--r-- | test/builtins/Unit/moddi3_test.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/test/builtins/Unit/moddi3_test.c b/test/builtins/Unit/moddi3_test.c new file mode 100644 index 000000000000..9f6801d6f41b --- /dev/null +++ b/test/builtins/Unit/moddi3_test.c @@ -0,0 +1,62 @@ +//===-- moddi3_test.c - Test __moddi3 -------------------------------------===// +// +// 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 __moddi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a % b + +di_int __moddi3(di_int a, di_int b); + +int test__moddi3(di_int a, di_int b, di_int expected) +{ + di_int x = __moddi3(a, b); + if (x != expected) + printf("error in __moddi3: %lld %% %lld = %lld, expected %lld\n", + a, b, x, expected); + return x != expected; +} + +char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; + +int main() +{ + if (test__moddi3(0, 1, 0)) + return 1; + if (test__moddi3(0, -1, 0)) + return 1; + + if (test__moddi3(5, 3, 2)) + return 1; + if (test__moddi3(5, -3, 2)) + return 1; + if (test__moddi3(-5, 3, -2)) + return 1; + if (test__moddi3(-5, -3, -2)) + return 1; + + if (test__moddi3(0x8000000000000000LL, 1, 0x0LL)) + return 1; + if (test__moddi3(0x8000000000000000LL, -1, 0x0LL)) + return 1; + if (test__moddi3(0x8000000000000000LL, 2, 0x0LL)) + return 1; + if (test__moddi3(0x8000000000000000LL, -2, 0x0LL)) + return 1; + if (test__moddi3(0x8000000000000000LL, 3, -2)) + return 1; + if (test__moddi3(0x8000000000000000LL, -3, -2)) + return 1; + + return 0; +} |