diff options
Diffstat (limited to 'test/builtins/Unit/compiler_rt_logb_test.c')
| -rw-r--r-- | test/builtins/Unit/compiler_rt_logb_test.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/test/builtins/Unit/compiler_rt_logb_test.c b/test/builtins/Unit/compiler_rt_logb_test.c index 796765980..c36b19ca3 100644 --- a/test/builtins/Unit/compiler_rt_logb_test.c +++ b/test/builtins/Unit/compiler_rt_logb_test.c @@ -1,10 +1,9 @@ // RUN: %clang_builtins %s %librt -o %t && %run %t //===-- compiler_rt_logb_test.c - Test __compiler_rt_logb -----------------===// // -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. +// 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 // //===----------------------------------------------------------------------===// // @@ -36,7 +35,15 @@ double cases[] = { -0.0, 0.0, 1, -2, 2, -0.5, 0.5, }; +#ifndef __GLIBC_PREREQ +#define __GLIBC_PREREQ(x, y) 0 +#endif + int main() { + // Do not the run the compiler-rt logb test case if using GLIBC version + // < 2.23. Older versions might not compute to the same value as the + // compiler-rt value. +#if __GLIBC_PREREQ(2, 23) const unsigned N = sizeof(cases) / sizeof(cases[0]); unsigned i; for (i = 0; i < N; ++i) { @@ -58,6 +65,9 @@ int main() { if (test__compiler_rt_logb(fromRep(signBit ^ x))) return 1; x >>= 1; } +#else + printf("skipped\n"); +#endif return 0; } |