diff options
author | Daniel Dunbar <daniel@zuster.org> | 2009-06-26 16:47:03 +0000 |
---|---|---|
committer | Daniel Dunbar <daniel@zuster.org> | 2009-06-26 16:47:03 +0000 |
commit | b3a6901e66f55b35aa9e01bcb24134e6a65ea004 (patch) | |
tree | 4d57d73575ea3f7e30bf430920d6e96fa2a369c1 /test/Unit/udivdi3_test.c | |
parent | 8cbe163cba77c772621f89ddb33793ac170b1fa2 (diff) |
Initial import of compiler-rt.
-
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@74292 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Unit/udivdi3_test.c')
-rw-r--r-- | test/Unit/udivdi3_test.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/Unit/udivdi3_test.c b/test/Unit/udivdi3_test.c new file mode 100644 index 000000000..115453b4d --- /dev/null +++ b/test/Unit/udivdi3_test.c @@ -0,0 +1,44 @@ +//===-- udivdi3_test.c - Test __udivdi3 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __udivdi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a / b + +du_int __udivdi3(du_int a, du_int b); + +int test__udivdi3(du_int a, du_int b, du_int expected_q) +{ + du_int q = __udivdi3(a, b); + if (q != expected_q) + printf("error in __udivdi3: %lld / %lld = %lld, expected %lld\n", + a, b, q, expected_q); + return q != expected_q; +} + +int main() +{ + if (test__udivdi3(0, 1, 0)) + return 1; + if (test__udivdi3(2, 1, 2)) + return 1; + if (test__udivdi3(0x8000000000000000uLL, 1, 0x8000000000000000uLL)) + return 1; + if (test__udivdi3(0x8000000000000000uLL, 2, 0x4000000000000000uLL)) + return 1; + if (test__udivdi3(0xFFFFFFFFFFFFFFFFuLL, 2, 0x7FFFFFFFFFFFFFFFuLL)) + return 1; + + return 0; +} |