File: modsi3_test.c

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (58 lines) | stat: -rw-r--r-- 1,552 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
// RUN: %clang_builtins %s %librt -o %t && %run %t
/* ===-- modsi3_test.c - Test __modsi3 -------------------------------------===
 *
 *                     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 __modsi3 for the compiler_rt library.
 *
 * ===----------------------------------------------------------------------===
 */

#include "int_lib.h"
#include <stdio.h>

/* Returns: a % b */

COMPILER_RT_ABI si_int __modsi3(si_int a, si_int b);

int test__modsi3(si_int a, si_int b, si_int expected) {
    si_int x = __modsi3(a, b);
    if (x != expected)
        fprintf(stderr, "error in __modsi3: %d %% %d = %d, expected %d\n",
               a, b, x, expected);
    return x != expected;
}

int main() {
    if (test__modsi3(0, 1, 0))
        return 1;
    if (test__modsi3(0, -1, 0))
        return 1;

    if (test__modsi3(5, 3, 2))
        return 1;
    if (test__modsi3(5, -3, 2))
        return 1;
    if (test__modsi3(-5, 3, -2))
        return 1;
    if (test__modsi3(-5, -3, -2))
        return 1;

    if (test__modsi3(0x80000000, 1, 0x0))
        return 1;
    if (test__modsi3(0x80000000, 2, 0x0))
        return 1;
    if (test__modsi3(0x80000000, -2, 0x0))
        return 1;
    if (test__modsi3(0x80000000, 3, -2))
        return 1;
    if (test__modsi3(0x80000000, -3, -2))
        return 1;

    return 0;
}