| 1 | //===- lit-cpuid.cpp - Get CPU feature flags for lit exported features ----===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // lit-cpuid obtains the feature list for the currently running CPU, and outputs |
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| 10 | // those flags that are interesting for LLDB lit tests. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #include "llvm/ADT/StringMap.h" |
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| 15 | #include "llvm/Support/raw_ostream.h" |
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| 16 | #include "llvm/TargetParser/Host.h" |
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| 17 | |
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| 18 | using namespace llvm; |
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| 19 | |
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| 20 | int main(int argc, char **argv) { |
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| 21 | #if defined(__i386__) || defined(_M_IX86) || \ |
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| 22 | defined(__x86_64__) || defined(_M_X64) |
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| 23 | const StringMap<bool> features = sys::getHostCPUFeatures(); |
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| 24 | if (features.empty()) |
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| 25 | return 1; |
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| 26 | |
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| 27 | if (features.lookup(Key: "sse" )) |
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| 28 | outs() << "sse\n" ; |
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| 29 | if (features.lookup(Key: "avx" )) |
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| 30 | outs() << "avx\n" ; |
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| 31 | if (features.lookup(Key: "avx512f" )) |
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| 32 | outs() << "avx512f\n" ; |
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| 33 | #endif |
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| 34 | |
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| 35 | return 0; |
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| 36 | } |
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| 37 | |
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