diff options
Diffstat (limited to 'test/Unit/addvdi3_test.c')
-rw-r--r-- | test/Unit/addvdi3_test.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/Unit/addvdi3_test.c b/test/Unit/addvdi3_test.c new file mode 100644 index 000000000000..b4247bd417e8 --- /dev/null +++ b/test/Unit/addvdi3_test.c @@ -0,0 +1,58 @@ +//===-- addvdi3_test.c - Test __addvdi3 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __addvdi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a + b + +// Effects: aborts if a + b overflows + +di_int __addvdi3(di_int a, di_int b); + +int test__addvdi3(di_int a, di_int b) +{ + di_int x = __addvdi3(a, b); + di_int expected = a + b; + if (x != expected) + printf("error in test__addvdi3(0x%llX, 0x%llX) = %lld, expected %lld\n", + a, b, x, expected); + return x != expected; +} + +int main() +{ +// test__addvdi3(0x8000000000000000LL, -1); // should abort +// test__addvdi3(-1, 0x8000000000000000LL); // should abort +// test__addvdi3(1, 0x7FFFFFFFFFFFFFFFLL); // should abort +// test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 1); // should abort + + if (test__addvdi3(0x8000000000000000LL, 1)) + return 1; + if (test__addvdi3(1, 0x8000000000000000LL)) + return 1; + if (test__addvdi3(0x8000000000000000LL, 0)) + return 1; + if (test__addvdi3(0, 0x8000000000000000LL)) + return 1; + if (test__addvdi3(0x7FFFFFFFFFFFFFFLL, -1)) + return 1; + if (test__addvdi3(-1, 0x7FFFFFFFFFFFFFFLL)) + return 1; + if (test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 0)) + return 1; + if (test__addvdi3(0, 0x7FFFFFFFFFFFFFFFLL)) + return 1; + + return 0; +} |