1//===-- negdi2_test.c - Test __negdi2 -------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __negdi2 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns: -a
18
19di_int __negdi2(di_int a);
20
21int test__negdi2(di_int a, di_int expected)
22{
23    di_int x = __negdi2(a);
24    if (x != expected)
25        printf("error in __negdi2: -0x%llX = 0x%llX, expected 0x%llX\n",
26               a, x, expected);
27    return x != expected;
28}
29
30char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
31
32int main()
33{
34    if (test__negdi2(0, 0))
35        return 1;
36    if (test__negdi2(1, -1))
37        return 1;
38    if (test__negdi2(-1, 1))
39        return 1;
40    if (test__negdi2(2, -2))
41        return 1;
42    if (test__negdi2(-2, 2))
43        return 1;
44    if (test__negdi2(3, -3))
45        return 1;
46    if (test__negdi2(-3, 3))
47        return 1;
48    if (test__negdi2(0x00000000FFFFFFFELL, 0xFFFFFFFF00000002LL))
49        return 1;
50    if (test__negdi2(0xFFFFFFFF00000002LL, 0x00000000FFFFFFFELL))
51        return 1;
52    if (test__negdi2(0x00000000FFFFFFFFLL, 0xFFFFFFFF00000001LL))
53        return 1;
54    if (test__negdi2(0xFFFFFFFF00000001LL, 0x00000000FFFFFFFFLL))
55        return 1;
56    if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL))
57        return 1;
58    if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL))
59        return 1;
60    if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL))
61        return 1;
62    if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL))
63        return 1;
64    if (test__negdi2(0x0000000300000000LL, 0xFFFFFFFD00000000LL))
65        return 1;
66    if (test__negdi2(0xFFFFFFFD00000000LL, 0x0000000300000000LL))
67        return 1;
68    if (test__negdi2(0x8000000000000000LL, 0x8000000000000000LL))
69        return 1;
70    if (test__negdi2(0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
71        return 1;
72    if (test__negdi2(0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
73        return 1;
74    if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL))
75        return 1;
76    if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL))
77        return 1;
78    if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL))
79        return 1;
80    if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL))
81        return 1;
82
83   return 0;
84}
85