diff options
Diffstat (limited to 'test/Unit/addvsi3_test.c')
-rw-r--r-- | test/Unit/addvsi3_test.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/Unit/addvsi3_test.c b/test/Unit/addvsi3_test.c new file mode 100644 index 000000000000..f6acde1add5f --- /dev/null +++ b/test/Unit/addvsi3_test.c @@ -0,0 +1,58 @@ +//===-- addvsi3_test.c - Test __addvsi3 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __addvsi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a + b + +// Effects: aborts if a + b overflows + +si_int __addvsi3(si_int a, si_int b); + +int test__addvsi3(si_int a, si_int b) +{ + si_int x = __addvsi3(a, b); + si_int expected = a + b; + if (x != expected) + printf("error in test__addvsi3(0x%X, 0x%X) = %d, expected %d\n", + a, b, x, expected); + return x != expected; +} + +int main() +{ +// test__addvsi3(0x80000000, -1); // should abort +// test__addvsi3(-1, 0x80000000); // should abort +// test__addvsi3(1, 0x7FFFFFFF); // should abort +// test__addvsi3(0x7FFFFFFF, 1); // should abort + + if (test__addvsi3(0x80000000, 1)) + return 1; + if (test__addvsi3(1, 0x80000000)) + return 1; + if (test__addvsi3(0x80000000, 0)) + return 1; + if (test__addvsi3(0, 0x80000000)) + return 1; + if (test__addvsi3(0x7FFFFFFF, -1)) + return 1; + if (test__addvsi3(-1, 0x7FFFFFFF)) + return 1; + if (test__addvsi3(0x7FFFFFFF, 0)) + return 1; + if (test__addvsi3(0, 0x7FFFFFFF)) + return 1; + + return 0; +} |