File: lit-cpuid.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (37 lines) | stat: -rw-r--r-- 1,097 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
//===- 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;
}