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//========- unittests/Support/Host.cpp - Host.cpp tests --------------========//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Host.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 "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 for
// x86_64 Linux and Darwin.
return (Host.getArch() == Triple::x86_64 &&
(Host.isOSDarwin() || Host.getOS() == Triple::Linux));
}
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");
// 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");
// 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");
}
#if defined(__APPLE__)
TEST_F(HostTest, getMacOSHostVersion) {
using namespace llvm::sys;
llvm::Triple HostTriple(getProcessTriple());
if (!HostTriple.isMacOSX())
return;
SmallString<128> TestDirectory;
ASSERT_NO_ERROR(fs::createUniqueDirectory("host_test", TestDirectory));
SmallString<128> OutputFile(TestDirectory);
path::append(OutputFile, "out");
const char *SwVersPath = "/usr/bin/sw_vers";
const char *argv[] = {SwVersPath, "-productVersion", nullptr};
StringRef OutputPath = OutputFile.str();
const Optional<StringRef> Redirects[] = {/*STDIN=*/None,
/*STDOUT=*/OutputPath,
/*STDERR=*/None};
int RetCode = ExecuteAndWait(SwVersPath, argv, /*env=*/nullptr, Redirects);
ASSERT_EQ(0, RetCode);
int FD = 0;
ASSERT_NO_ERROR(fs::openFileForRead(OutputPath, FD));
off_t Size = ::lseek(FD, 0, SEEK_END);
ASSERT_NE(-1, Size);
::lseek(FD, 0, SEEK_SET);
std::unique_ptr<char[]> Buffer = llvm::make_unique<char[]>(Size);
ASSERT_EQ(::read(FD, Buffer.get(), Size), Size);
::close(FD);
// Ensure that the two versions match.
StringRef SystemVersion(Buffer.get(), Size);
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));
ASSERT_NO_ERROR(fs::remove(OutputPath));
ASSERT_NO_ERROR(fs::remove(TestDirectory.str()));
}
#endif
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