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Diffstat (limited to 'test/Unit/mulvdi3_test.c')
| -rw-r--r-- | test/Unit/mulvdi3_test.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/test/Unit/mulvdi3_test.c b/test/Unit/mulvdi3_test.c new file mode 100644 index 000000000..1c73e64c6 --- /dev/null +++ b/test/Unit/mulvdi3_test.c @@ -0,0 +1,175 @@ +//===-- mulvdi3_test.c - Test __mulvdi3 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __mulvdi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a * b + +// Effects: aborts if a * b overflows + +di_int __mulvdi3(di_int a, di_int b); + +int test__mulvdi3(di_int a, di_int b, di_int expected) +{ + di_int x = __mulvdi3(a, b); + if (x != expected) + printf("error in __mulvdi3: %lld * %lld = %lld, expected %lld\n", + a, b, x, expected); + return x != expected; +} + +int main() +{ + if (test__mulvdi3(0, 0, 0)) + return 1; + if (test__mulvdi3(0, 1, 0)) + return 1; + if (test__mulvdi3(1, 0, 0)) + return 1; + if (test__mulvdi3(0, 10, 0)) + return 1; + if (test__mulvdi3(10, 0, 0)) + return 1; + if (test__mulvdi3(0, 81985529216486895LL, 0)) + return 1; + if (test__mulvdi3(81985529216486895LL, 0, 0)) + return 1; + + if (test__mulvdi3(0, -1, 0)) + return 1; + if (test__mulvdi3(-1, 0, 0)) + return 1; + if (test__mulvdi3(0, -10, 0)) + return 1; + if (test__mulvdi3(-10, 0, 0)) + return 1; + if (test__mulvdi3(0, -81985529216486895LL, 0)) + return 1; + if (test__mulvdi3(-81985529216486895LL, 0, 0)) + return 1; + + if (test__mulvdi3(1, 1, 1)) + return 1; + if (test__mulvdi3(1, 10, 10)) + return 1; + if (test__mulvdi3(10, 1, 10)) + return 1; + if (test__mulvdi3(1, 81985529216486895LL, 81985529216486895LL)) + return 1; + if (test__mulvdi3(81985529216486895LL, 1, 81985529216486895LL)) + return 1; + + if (test__mulvdi3(1, -1, -1)) + return 1; + if (test__mulvdi3(1, -10, -10)) + return 1; + if (test__mulvdi3(-10, 1, -10)) + return 1; + if (test__mulvdi3(1, -81985529216486895LL, -81985529216486895LL)) + return 1; + if (test__mulvdi3(-81985529216486895LL, 1, -81985529216486895LL)) + return 1; + + if (test__mulvdi3(3037000499LL, 3037000499LL, 9223372030926249001LL)) + return 1; + if (test__mulvdi3(-3037000499LL, 3037000499LL, -9223372030926249001LL)) + return 1; + if (test__mulvdi3(3037000499LL, -3037000499LL, -9223372030926249001LL)) + return 1; + if (test__mulvdi3(-3037000499LL, -3037000499LL, 9223372030926249001LL)) + return 1; + + if (test__mulvdi3(4398046511103LL, 2097152LL, 9223372036852678656LL)) + return 1; + if (test__mulvdi3(-4398046511103LL, 2097152LL, -9223372036852678656LL)) + return 1; + if (test__mulvdi3(4398046511103LL, -2097152LL, -9223372036852678656LL)) + return 1; + if (test__mulvdi3(-4398046511103LL, -2097152LL, 9223372036852678656LL)) + return 1; + + if (test__mulvdi3(2097152LL, 4398046511103LL, 9223372036852678656LL)) + return 1; + if (test__mulvdi3(-2097152LL, 4398046511103LL, -9223372036852678656LL)) + return 1; + if (test__mulvdi3(2097152LL, -4398046511103LL, -9223372036852678656LL)) + return 1; + if (test__mulvdi3(-2097152LL, -4398046511103LL, 9223372036852678656LL)) + return 1; + +// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -2, 0x8000000000000001LL)) // abort +// return 1; +// if (test__mulvdi3(-2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort +// return 1; + if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL)) + return 1; + if (test__mulvdi3(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) + return 1; + if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 0, 0)) + return 1; + if (test__mulvdi3(0, 0x7FFFFFFFFFFFFFFFLL, 0)) + return 1; + if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL)) + return 1; + if (test__mulvdi3(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL)) + return 1; +// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL)) // abort +// return 1; +// if (test__mulvdi3(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort +// return 1; + +// if (test__mulvdi3(0x8000000000000000LL, -2, 0x8000000000000000LL)) // abort +// return 1; +// if (test__mulvdi3(-2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort +// return 1; +// if (test__mulvdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) // abort +// return 1; +// if (test__mulvdi3(-1, 0x8000000000000000LL, 0x8000000000000000LL)) // abort +// return 1; + if (test__mulvdi3(0x8000000000000000LL, 0, 0)) + return 1; + if (test__mulvdi3(0, 0x8000000000000000LL, 0)) + return 1; + if (test__mulvdi3(0x8000000000000000LL, 1, 0x8000000000000000LL)) + return 1; + if (test__mulvdi3(1, 0x8000000000000000LL, 0x8000000000000000LL)) + return 1; +// if (test__mulvdi3(0x8000000000000000LL, 2, 0x8000000000000000LL)) // abort +// return 1; +// if (test__mulvdi3(2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort +// return 1; + +// if (test__mulvdi3(0x8000000000000001LL, -2, 0x8000000000000001LL)) // abort +// return 1; +// if (test__mulvdi3(-2, 0x8000000000000001LL, 0x8000000000000001LL)) // abort +// return 1; + if (test__mulvdi3(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL)) + return 1; + if (test__mulvdi3(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL)) + return 1; + if (test__mulvdi3(0x8000000000000001LL, 0, 0)) + return 1; + if (test__mulvdi3(0, 0x8000000000000001LL, 0)) + return 1; + if (test__mulvdi3(0x8000000000000001LL, 1, 0x8000000000000001LL)) + return 1; + if (test__mulvdi3(1, 0x8000000000000001LL, 0x8000000000000001LL)) + return 1; +// if (test__mulvdi3(0x8000000000000001LL, 2, 0x8000000000000000LL)) // abort +// return 1; +// if (test__mulvdi3(2, 0x8000000000000001LL, 0x8000000000000000LL)) // abort +// return 1; + + return 0; +} |