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v811_spc009/external/llvm-project/llvm/unittests/Support/Host.cpp

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//========- 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");
}
#if defined(__APPLE__) || defined(_AIX)
static bool runAndGetCommandOutput(
const char *ExePath, ArrayRef<llvm::StringRef> argv,
std::unique_ptr<char[]> &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<StringRef> 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<char[]>(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<char[]> 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);
// 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<char[]> 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
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