//========- unittests/Support/Host.cpp - Host.cpp tests --------------========// // // 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 // //===----------------------------------------------------------------------===// #include "llvm/Support/Host.h" #include "llvm/Config/llvm-config.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/Triple.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/Path.h" #include "llvm/Support/Program.h" #include "llvm/Support/Threading.h" #include "gtest/gtest.h" #define ASSERT_NO_ERROR(x) \ if (std::error_code ASSERT_NO_ERROR_ec = x) { \ SmallString<128> MessageStorage; \ raw_svector_ostream Message(MessageStorage); \ Message << #x ": did not return errc::success.\n" \ << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \ << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \ GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \ } else { \ } using namespace llvm; class HostTest : public testing::Test { Triple Host; protected: bool isSupportedArchAndOS() { // Initially this is only testing detection of the number of // physical cores, which is currently only supported/tested on // some systems. return (Host.isOSWindows() && llvm_is_multithreaded()) || (Host.isX86() && (Host.isOSDarwin() || Host.isOSLinux())) || (Host.isPPC64() && Host.isOSLinux()) || (Host.isSystemZ() && (Host.isOSLinux() || Host.isOSzOS())); } HostTest() : Host(Triple::normalize(sys::getProcessTriple())) {} }; TEST_F(HostTest, NumPhysicalCores) { int Num = sys::getHostNumPhysicalCores(); if (isSupportedArchAndOS()) ASSERT_GT(Num, 0); else ASSERT_EQ(Num, -1); } TEST(getLinuxHostCPUName, ARM) { StringRef CortexA9ProcCpuinfo = R"( processor : 0 model name : ARMv7 Processor rev 10 (v7l) BogoMIPS : 1393.66 Features : half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32 CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x2 CPU part : 0xc09 CPU revision : 10 processor : 1 model name : ARMv7 Processor rev 10 (v7l) BogoMIPS : 1393.66 Features : half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32 CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x2 CPU part : 0xc09 CPU revision : 10 Hardware : Generic OMAP4 (Flattened Device Tree) Revision : 0000 Serial : 0000000000000000 )"; EXPECT_EQ(sys::detail::getHostCPUNameForARM(CortexA9ProcCpuinfo), "cortex-a9"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x41\n" "CPU part : 0xc0f"), "cortex-a15"); // Verify that both CPU implementer and CPU part are checked: EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x40\n" "CPU part : 0xc0f"), "generic"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x51\n" "CPU part : 0x06f"), "krait"); } TEST(getLinuxHostCPUName, AArch64) { EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x41\n" "CPU part : 0xd03"), "cortex-a53"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x41\n" "CPU part : 0xd0c"), "neoverse-n1"); // Verify that both CPU implementer and CPU part are checked: EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x40\n" "CPU part : 0xd03"), "generic"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x51\n" "CPU part : 0x201"), "kryo"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x51\n" "CPU part : 0x800"), "cortex-a73"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x51\n" "CPU part : 0x801"), "cortex-a73"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x51\n" "CPU part : 0xc00"), "falkor"); EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x51\n" "CPU part : 0xc01"), "saphira"); // MSM8992/4 weirdness StringRef MSM8992ProcCpuInfo = R"( Processor : AArch64 Processor rev 3 (aarch64) processor : 0 processor : 1 processor : 2 processor : 3 processor : 4 processor : 5 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 3 Hardware : Qualcomm Technologies, Inc MSM8992 )"; EXPECT_EQ(sys::detail::getHostCPUNameForARM(MSM8992ProcCpuInfo), "cortex-a53"); // Exynos big.LITTLE weirdness const std::string ExynosProcCpuInfo = R"( processor : 0 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd05 processor : 1 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 CPU implementer : 0x53 CPU architecture: 8 )"; // Verify default for Exynos. EXPECT_EQ(sys::detail::getHostCPUNameForARM(ExynosProcCpuInfo + "CPU variant : 0xc\n" "CPU part : 0xafe"), "exynos-m3"); // Verify Exynos M3. EXPECT_EQ(sys::detail::getHostCPUNameForARM(ExynosProcCpuInfo + "CPU variant : 0x1\n" "CPU part : 0x002"), "exynos-m3"); // Verify Exynos M4. EXPECT_EQ(sys::detail::getHostCPUNameForARM(ExynosProcCpuInfo + "CPU variant : 0x1\n" "CPU part : 0x003"), "exynos-m4"); const std::string ThunderX2T99ProcCpuInfo = R"( processor : 0 BogoMIPS : 400.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics CPU implementer : 0x43 CPU architecture: 8 CPU variant : 0x1 CPU part : 0x0af )"; // Verify different versions of ThunderX2T99. EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x42\n" "CPU part : 0x516"), "thunderx2t99"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x42\n" "CPU part : 0x0516"), "thunderx2t99"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x43\n" "CPU part : 0x516"), "thunderx2t99"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x43\n" "CPU part : 0x0516"), "thunderx2t99"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x42\n" "CPU part : 0xaf"), "thunderx2t99"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x42\n" "CPU part : 0x0af"), "thunderx2t99"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x43\n" "CPU part : 0xaf"), "thunderx2t99"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderX2T99ProcCpuInfo + "CPU implementer : 0x43\n" "CPU part : 0x0af"), "thunderx2t99"); // Verify ThunderXT88. const std::string ThunderXT88ProcCpuInfo = R"( processor : 0 BogoMIPS : 200.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 CPU implementer : 0x43 CPU architecture: 8 CPU variant : 0x1 CPU part : 0x0a1 )"; EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderXT88ProcCpuInfo + "CPU implementer : 0x43\n" "CPU part : 0x0a1"), "thunderxt88"); EXPECT_EQ(sys::detail::getHostCPUNameForARM(ThunderXT88ProcCpuInfo + "CPU implementer : 0x43\n" "CPU part : 0xa1"), "thunderxt88"); // Verify HiSilicon processors. EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x48\n" "CPU part : 0xd01"), "tsv110"); // Verify A64FX. const std::string A64FXProcCpuInfo = R"( processor : 0 BogoMIPS : 200.00 Features : fp asimd evtstrm sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm fcma dcpop sve CPU implementer : 0x46 CPU architecture: 8 CPU variant : 0x1 CPU part : 0x001 )"; EXPECT_EQ(sys::detail::getHostCPUNameForARM(A64FXProcCpuInfo), "a64fx"); // Verify Nvidia Carmel. const std::string CarmelProcCpuInfo = R"( processor : 0 model name : ARMv8 Processor rev 0 (v8l) BogoMIPS : 62.50 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm dcpop CPU implementer : 0x4e CPU architecture: 8 CPU variant : 0x0 CPU part : 0x004 CPU revision : 0 )"; EXPECT_EQ(sys::detail::getHostCPUNameForARM(CarmelProcCpuInfo), "carmel"); // Snapdragon mixed implementer quirk const std::string Snapdragon865ProcCPUInfo = R"( processor : 0 BogoMIPS : 38.40 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp CPU implementer : 0x51 CPU architecture: 8 CPU variant : 0xd CPU part : 0x805 CPU revision : 14 processor : 1 processor : 2 processor : 3 processor : 4 processor : 5 processor : 6 BogoMIPS : 38.40 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x1 CPU part : 0xd0d CPU revision : 0 )"; EXPECT_EQ(sys::detail::getHostCPUNameForARM(Snapdragon865ProcCPUInfo), "cortex-a77"); } #if defined(__APPLE__) || defined(_AIX) static bool runAndGetCommandOutput( const char *ExePath, ArrayRef argv, std::unique_ptr &Buffer, off_t &Size) { bool Success = false; [ExePath, argv, &Buffer, &Size, &Success] { using namespace llvm::sys; SmallString<128> TestDirectory; ASSERT_NO_ERROR(fs::createUniqueDirectory("host_test", TestDirectory)); SmallString<128> OutputFile(TestDirectory); path::append(OutputFile, "out"); StringRef OutputPath = OutputFile.str(); const Optional Redirects[] = { /*STDIN=*/None, /*STDOUT=*/OutputPath, /*STDERR=*/None}; int RetCode = ExecuteAndWait(ExePath, argv, /*env=*/llvm::None, Redirects); ASSERT_EQ(0, RetCode); int FD = 0; ASSERT_NO_ERROR(fs::openFileForRead(OutputPath, FD)); Size = ::lseek(FD, 0, SEEK_END); ASSERT_NE(-1, Size); ::lseek(FD, 0, SEEK_SET); Buffer = std::make_unique(Size); ASSERT_EQ(::read(FD, Buffer.get(), Size), Size); ::close(FD); ASSERT_NO_ERROR(fs::remove(OutputPath)); ASSERT_NO_ERROR(fs::remove(TestDirectory.str())); Success = true; }(); return Success; } TEST_F(HostTest, DummyRunAndGetCommandOutputUse) { // Suppress defined-but-not-used warnings when the tests using the helper are // disabled. (void) runAndGetCommandOutput; } #endif #if defined(__APPLE__) TEST_F(HostTest, getMacOSHostVersion) { using namespace llvm::sys; llvm::Triple HostTriple(getProcessTriple()); if (!HostTriple.isMacOSX()) return; const char *SwVersPath = "/usr/bin/sw_vers"; StringRef argv[] = {SwVersPath, "-productVersion"}; std::unique_ptr Buffer; off_t Size; ASSERT_EQ(runAndGetCommandOutput(SwVersPath, argv, Buffer, Size), true); StringRef SystemVersion(Buffer.get(), Size); // Ensure that the two versions match. unsigned SystemMajor, SystemMinor, SystemMicro; ASSERT_EQ(llvm::Triple((Twine("x86_64-apple-macos") + SystemVersion)) .getMacOSXVersion(SystemMajor, SystemMinor, SystemMicro), true); unsigned HostMajor, HostMinor, HostMicro; ASSERT_EQ(HostTriple.getMacOSXVersion(HostMajor, HostMinor, HostMicro), true); if (SystemMajor > 10) { // Don't compare the 'Minor' and 'Micro' versions, as they're always '0' for // the 'Darwin' triples on 11.x. ASSERT_EQ(SystemMajor, HostMajor); } else { // Don't compare the 'Micro' version, as it's always '0' for the 'Darwin' // triples. ASSERT_EQ(std::tie(SystemMajor, SystemMinor), std::tie(HostMajor, HostMinor)); } } #endif #if defined(_AIX) TEST_F(HostTest, AIXVersionDetect) { using namespace llvm::sys; llvm::Triple HostTriple(getProcessTriple()); ASSERT_EQ(HostTriple.getOS(), Triple::AIX); llvm::Triple ConfiguredHostTriple(LLVM_HOST_TRIPLE); ASSERT_EQ(ConfiguredHostTriple.getOS(), Triple::AIX); const char *ExePath = "/usr/bin/oslevel"; StringRef argv[] = {ExePath}; std::unique_ptr Buffer; off_t Size; ASSERT_EQ(runAndGetCommandOutput(ExePath, argv, Buffer, Size), true); StringRef SystemVersion(Buffer.get(), Size); unsigned SystemMajor, SystemMinor, SystemMicro; llvm::Triple((Twine("powerpc-ibm-aix") + SystemVersion)) .getOSVersion(SystemMajor, SystemMinor, SystemMicro); // Ensure that the host triple version (major) and release (minor) numbers, // unless explicitly configured, match with those of the current system. if (!ConfiguredHostTriple.getOSMajorVersion()) { unsigned HostMajor, HostMinor, HostMicro; HostTriple.getOSVersion(HostMajor, HostMinor, HostMicro); ASSERT_EQ(std::tie(SystemMajor, SystemMinor), std::tie(HostMajor, HostMinor)); } llvm::Triple TargetTriple(getDefaultTargetTriple()); if (TargetTriple.getOS() != Triple::AIX) return; // Ensure that the target triple version (major) and release (minor) numbers // match with those of the current system. llvm::Triple ConfiguredTargetTriple(LLVM_DEFAULT_TARGET_TRIPLE); if (ConfiguredTargetTriple.getOSMajorVersion()) return; // The version was configured explicitly; skip. unsigned TargetMajor, TargetMinor, TargetMicro; TargetTriple.getOSVersion(TargetMajor, TargetMinor, TargetMicro); ASSERT_EQ(std::tie(SystemMajor, SystemMinor), std::tie(TargetMajor, TargetMinor)); } #endif