compiler-rt/test/builtins/Unit/negvti2_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_negvti2
   3 // REQUIRES: int128
   4 //===-- negvti2_test.c - Test __negvti2 -----------------------------------===//
   5 //
   6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   7 // See https://llvm.org/LICENSE.txt for license information.
   8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   9 //
  10 //===----------------------------------------------------------------------===//
  11 //
  12 // This file tests __negvti2 for the compiler_rt library.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #include "int_lib.h"
  17 #include <stdio.h>
  18
  19 #ifdef CRT_HAS_128BIT
  20
  21 // Returns: -a
  22
  23 // Effects: aborts if -a overflows
  24
  25 COMPILER_RT_ABI ti_int __negvti2(ti_int a);
  26 COMPILER_RT_ABI ti_int __negti2(ti_int a);
  27
  28 int test__negvti2(ti_int a)
  29 {
  30     ti_int x = __negvti2(a);
  31     ti_int expected = __negti2(a);
  32     if (x != expected)
  33     {
  34         twords at;
  35         at.all = a;
  36         twords xt;
  37         xt.all = x;
  38         twords expectedt;
  39         expectedt.all = expected;
  40         printf("error in __negvti2(0x%.16llX%.16llX) = 0x%.16llX%.16llX, "
  41                "expected 0x%.16llX%.16llX\n",
  42                at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
  43     }
  44     return x != expected;
  45 }
  46
  47 #endif
  48
  49 int main()
  50 {
  51 #ifdef CRT_HAS_128BIT
  52     if (test__negvti2(0))
  53         return 1;
  54     if (test__negvti2(1))
  55         return 1;
  56     if (test__negvti2(-1))
  57         return 1;
  58     if (test__negvti2(2))
  59         return 1;
  60     if (test__negvti2(-2))
  61         return 1;
  62     if (test__negvti2(3))
  63         return 1;
  64     if (test__negvti2(-3))
  65         return 1;
  66     if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
  67         return 1;
  68     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
  69         return 1;
  70     if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
  71         return 1;
  72     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
  73         return 1;
  74     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
  75         return 1;
  76     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
  77         return 1;
  78     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
  79         return 1;
  80     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
  81         return 1;
  82     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
  83         return 1;
  84     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
  85         return 1;
  86     if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
  87         return 1;
  88     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
  89         return 1;
  90     if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
  91         return 1;
  92     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
  93         return 1;
  94     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
  95         return 1;
  96     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
  97         return 1;
  98     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
  99         return 1;
 100 //     if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL))) // abort
 101 //         return 1;
 102     if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
 103         return 1;
 104     if (test__negvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
 105         return 1;
 106
 107 #else
 108     printf("skipped\n");
 109 #endif
 110    return 0;
 111 }