Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 1 | //===-- divdi3_test.c - Test __divdi3 -------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | 9ad441f | 2010-11-16 22:13:33 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file tests __divdi3 for the compiler_rt library. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "int_lib.h" |
| 15 | #include <stdio.h> |
| 16 | |
| 17 | // Returns: a / b |
| 18 | |
| 19 | di_int __divdi3(di_int a, di_int b); |
| 20 | |
| 21 | int test__divdi3(di_int a, di_int b, di_int expected) |
| 22 | { |
| 23 | di_int x = __divdi3(a, b); |
| 24 | if (x != expected) |
| 25 | printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n", |
| 26 | a, b, x, expected); |
| 27 | return x != expected; |
| 28 | } |
| 29 | |
| 30 | char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; |
| 31 | |
| 32 | int main() |
| 33 | { |
| 34 | if (test__divdi3(0, 1, 0)) |
| 35 | return 1; |
| 36 | if (test__divdi3(0, -1, 0)) |
| 37 | return 1; |
| 38 | |
| 39 | if (test__divdi3(2, 1, 2)) |
| 40 | return 1; |
| 41 | if (test__divdi3(2, -1, -2)) |
| 42 | return 1; |
| 43 | if (test__divdi3(-2, 1, -2)) |
| 44 | return 1; |
| 45 | if (test__divdi3(-2, -1, 2)) |
| 46 | return 1; |
| 47 | |
| 48 | if (test__divdi3(0x8000000000000000LL, 1, 0x8000000000000000LL)) |
| 49 | return 1; |
| 50 | if (test__divdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) |
| 51 | return 1; |
| 52 | if (test__divdi3(0x8000000000000000LL, -2, 0x4000000000000000LL)) |
| 53 | return 1; |
| 54 | if (test__divdi3(0x8000000000000000LL, 2, 0xC000000000000000LL)) |
| 55 | return 1; |
| 56 | |
| 57 | return 0; |
| 58 | } |