// RUN: %clang_builtins %s %librt -o %t && %run %t // REQUIRES: librt_has_addvti3 // REQUIRES: int128 //===-- addvti3_test.c - Test __addvti3 -----------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file tests __addvti3 for the compiler_rt library. // //===----------------------------------------------------------------------===// #include "int_lib.h" #include #ifdef CRT_HAS_128BIT // Returns: a + b // Effects: aborts if a + b overflows COMPILER_RT_ABI ti_int __addvti3(ti_int a, ti_int b); int test__addvti3(ti_int a, ti_int b) { ti_int x = __addvti3(a, b); ti_int expected = a + b; if (x != expected) { twords at; at.all = a; twords bt; bt.all = b; twords xt; xt.all = x; twords expectedt; expectedt.all = expected; printf("error in test__addvti3(0x%llX%.16llX, 0x%llX%.16llX) = " "0x%llX%.16llX, expected 0x%llX%.16llX\n", at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low); } return x != expected; } #endif int main() { #ifdef CRT_HAS_128BIT // should abort // test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL), // make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)); // should abort // test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), // make_ti(0x8000000000000000LL, 0x0000000000000000LL)); // should abort // test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL), // make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)); // should abort // test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), // make_ti(0x0000000000000000LL, 0x0000000000000001LL)); if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL), make_ti(0x0000000000000000LL, 0x0000000000000001LL))) return 1; if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL), make_ti(0x8000000000000000LL, 0x0000000000000000LL))) return 1; if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL), make_ti(0x0000000000000000LL, 0x0000000000000000LL))) return 1; if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL), make_ti(0x8000000000000000LL, 0x0000000000000000LL))) return 1; if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) return 1; if (test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) return 1; if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), make_ti(0x0000000000000000LL, 0x0000000000000000LL))) return 1; if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL), make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) return 1; #else printf("skipped\n"); #endif return 0; }