1 //===- unittests/Threading.cpp - Thread tests -----------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/Support/Threading.h" 10 #include "llvm/Support/thread.h" 11 #include "gtest/gtest.h" 12 13 using namespace llvm; 14 15 namespace { 16 17 TEST(Threading, PhysicalConcurrency) { 18 auto Num = heavyweight_hardware_concurrency(); 19 // Since Num is unsigned this will also catch us trying to 20 // return -1. 21 ASSERT_LE(Num, thread::hardware_concurrency()); 22 } 23 24 } // end anon namespace 25