diff options
Diffstat (limited to 'test/Unit/ucmpdi2_test.c')
-rw-r--r-- | test/Unit/ucmpdi2_test.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/Unit/ucmpdi2_test.c b/test/Unit/ucmpdi2_test.c new file mode 100644 index 000000000000..eab958931a82 --- /dev/null +++ b/test/Unit/ucmpdi2_test.c @@ -0,0 +1,75 @@ +//===-- ucmpdi2_test.c - Test __ucmpdi2 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __ucmpdi2 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: if (a < b) returns 0 +// if (a == b) returns 1 +// if (a > b) returns 2 + +si_int __ucmpdi2(du_int a, du_int b); + +int test__ucmpdi2(du_int a, du_int b, si_int expected) +{ + si_int x = __ucmpdi2(a, b); + if (x != expected) + printf("error in __ucmpdi2(0x%llX, 0x%llX) = %d, expected %d\n", + a, b, x, expected); + return x != expected; +} + +int main() +{ + if (test__ucmpdi2(0, 0, 1)) + return 1; + if (test__ucmpdi2(1, 1, 1)) + return 1; + if (test__ucmpdi2(2, 2, 1)) + return 1; + if (test__ucmpdi2(0x7FFFFFFF, 0x7FFFFFFF, 1)) + return 1; + if (test__ucmpdi2(0x80000000, 0x80000000, 1)) + return 1; + if (test__ucmpdi2(0x80000001, 0x80000001, 1)) + return 1; + if (test__ucmpdi2(0xFFFFFFFF, 0xFFFFFFFF, 1)) + return 1; + if (test__ucmpdi2(0x000000010000000LL, 0x000000010000000LL, 1)) + return 1; + if (test__ucmpdi2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1)) + return 1; + + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000001LL, 0)) + return 1; + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000002LL, 0)) + return 1; + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000003LL, 0)) + return 1; + + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000001LL, 2)) + return 1; + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000002LL, 2)) + return 1; + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000003LL, 2)) + return 1; + + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000001LL, 2)) + return 1; + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000002LL, 1)) + return 1; + if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000003LL, 0)) + return 1; + + return 0; +} |