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38 lines
1.1 KiB
38 lines
1.1 KiB
7 months ago
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//===- lit-cpuid.cpp - Get CPU feature flags for lit exported features ----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// lit-cpuid obtains the feature list for the currently running CPU, and outputs
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// those flags that are interesting for LLDB lit tests.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/StringMap.h"
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#include "llvm/Support/Host.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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int main(int argc, char **argv) {
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#if defined(__i386__) || defined(_M_IX86) || \
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defined(__x86_64__) || defined(_M_X64)
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StringMap<bool> features;
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if (!sys::getHostCPUFeatures(features))
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return 1;
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if (features["sse"])
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outs() << "sse\n";
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if (features["avx"])
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outs() << "avx\n";
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if (features["avx512f"])
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outs() << "avx512f\n";
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#endif
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return 0;
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}
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