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| //===- lit-cpuid.cpp - Get CPU feature flags for lit exported features ----===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// lit-cpuid obtains the feature list for the currently running CPU, and outputs
// those flags that are interesting for LLDB lit tests.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/StringMap.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
int main(int argc, char **argv) {
#if defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64__) || defined(_M_X64)
StringMap<bool> features;
if (!sys::getHostCPUFeatures(features))
return 1;
if (features["sse"])
outs() << "sse\n";
if (features["avx"])
outs() << "avx\n";
if (features["avx512f"])
outs() << "avx512f\n";
#endif
return 0;
}
|