From b3a6901e66f55b35aa9e01bcb24134e6a65ea004 Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Fri, 26 Jun 2009 16:47:03 +0000 Subject: Initial import of compiler-rt. - git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@74292 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Unit/absvti2_test.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 test/Unit/absvti2_test.c (limited to 'test/Unit/absvti2_test.c') diff --git a/test/Unit/absvti2_test.c b/test/Unit/absvti2_test.c new file mode 100644 index 000000000..3dd39e61f --- /dev/null +++ b/test/Unit/absvti2_test.c @@ -0,0 +1,80 @@ +//===-- absvti2_test.c - Test __absvti2 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __absvti2 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#if __x86_64 + +#include "int_lib.h" +#include + +// 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.high, at.low, xt.high, xt.low, expectedt.high, expectedt.low); + } + return x != expected; +} + +#endif + +int main() +{ +#if __x86_64 + +// 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; +#endif + return 0; +} -- cgit v1.2.3