1//===-- cmpdi2_test.c - Test __cmpdi2 -------------------------------------===//
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 __cmpdi2 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns:  if (a <  b) returns 0
18//           if (a == b) returns 1
19//           if (a >  b) returns 2
20
21si_int __cmpdi2(di_int a, di_int b);
22
23int test__cmpdi2(di_int a, di_int b, si_int expected)
24{
25    si_int x = __cmpdi2(a, b);
26    if (x != expected)
27        printf("error in __cmpdi2(0x%llX, 0x%llX) = %d, expected %d\n",
28               a, b, x, expected);
29    return x != expected;
30}
31
32char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
33
34int main()
35{
36    if (test__cmpdi2(0, 0, 1))
37        return 1;
38    if (test__cmpdi2(1, 1, 1))
39        return 1;
40    if (test__cmpdi2(2, 2, 1))
41        return 1;
42    if (test__cmpdi2(0x7FFFFFFF, 0x7FFFFFFF, 1))
43        return 1;
44    if (test__cmpdi2(0x80000000, 0x80000000, 1))
45        return 1;
46    if (test__cmpdi2(0x80000001, 0x80000001, 1))
47        return 1;
48    if (test__cmpdi2(0xFFFFFFFF, 0xFFFFFFFF, 1))
49        return 1;
50    if (test__cmpdi2(0x000000010000000LL, 0x000000010000000LL, 1))
51        return 1;
52    if (test__cmpdi2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
53        return 1;
54
55    if (test__cmpdi2(0x0000000200000002LL, 0x0000000300000001LL, 0))
56        return 1;
57    if (test__cmpdi2(0x0000000200000002LL, 0x0000000300000002LL, 0))
58        return 1;
59    if (test__cmpdi2(0x0000000200000002LL, 0x0000000300000003LL, 0))
60        return 1;
61
62    if (test__cmpdi2(0x0000000200000002LL, 0x0000000100000001LL, 2))
63        return 1;
64    if (test__cmpdi2(0x0000000200000002LL, 0x0000000100000002LL, 2))
65        return 1;
66    if (test__cmpdi2(0x0000000200000002LL, 0x0000000100000003LL, 2))
67        return 1;
68
69    if (test__cmpdi2(0x0000000200000002LL, 0x0000000200000001LL, 2))
70        return 1;
71    if (test__cmpdi2(0x0000000200000002LL, 0x0000000200000002LL, 1))
72        return 1;
73    if (test__cmpdi2(0x0000000200000002LL, 0x0000000200000003LL, 0))
74        return 1;
75
76   return 0;
77}
78