diff options
Diffstat (limited to 'test/builtins/Unit/absvti2_test.c')
-rw-r--r-- | test/builtins/Unit/absvti2_test.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/test/builtins/Unit/absvti2_test.c b/test/builtins/Unit/absvti2_test.c new file mode 100644 index 0000000000000..9b71f200ac7ba --- /dev/null +++ b/test/builtins/Unit/absvti2_test.c @@ -0,0 +1,84 @@ +//===-- absvti2_test.c - Test __absvti2 -----------------------------------===// +// +// 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 __absvti2 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> +#include <stdlib.h> + +#ifdef CRT_HAS_128BIT + +// Returns: absolute value + +// Effects: aborts if abs(x) < 0 + +ti_int __absvti2(ti_int a); + +int test__absvti2(ti_int a) +{ + ti_int x = __absvti2(a); + ti_int expected = a; + if (expected < 0) + expected = -expected; + if (x != expected || expected < 0) + { + twords at; + at.all = a; + twords xt; + xt.all = x; + twords expectedt; + expectedt.all = expected; + printf("error in __absvti2(0x%llX%.16llX) = " + "0x%llX%.16llX, expected positive 0x%llX%.16llX\n", + at.s.high, at.s.low, xt.s.high, xt.s.low, + expectedt.s.high, expectedt.s.low); + } + return x != expected; +} + +#endif + +int main() +{ +#ifdef CRT_HAS_128BIT + +// if (test__absvti2(make_ti(0x8000000000000000LL, 0))) // should abort +// return 1; + if (test__absvti2(0x0000000000000000LL)) + return 1; + if (test__absvti2(0x0000000000000001LL)) + return 1; + if (test__absvti2(0x0000000000000002LL)) + return 1; + if (test__absvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFELL))) + return 1; + if (test__absvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) + return 1; + if (test__absvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL))) + return 1; + if (test__absvti2(make_ti(0x8000000000000000LL, 0x0000000000000002LL))) + return 1; + if (test__absvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFELL))) + return 1; + if (test__absvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) + return 1; + + int i; + for (i = 0; i < 10000; ++i) + if (test__absvti2(make_ti(((ti_int)rand() << 32) | rand(), + ((ti_int)rand() << 32) | rand()))) + return 1; +#else + printf("skipped\n"); +#endif + return 0; +} |