llvm/clang-tools-extra/pseudo/benchmarks/Benchmark.cpp

//===--- Benchmark.cpp -  clang pseudoparser benchmarks ---------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Benchmark for the overall pseudoparser performance, it also includes other
// important pieces of the pseudoparser (grammar compliation, LR table build
// etc).
//
// Note: make sure to build the benchmark in Release mode.
//
// Usage:
//   tools/clang/tools/extra/pseudo/benchmarks/ClangPseudoBenchmark \
//      --grammar=../clang-tools-extra/pseudo/lib/cxx.bnf \
//      --source=../clang/lib/Sema/SemaDecl.cpp
//
//===----------------------------------------------------------------------===//

#include "benchmark/benchmark.h"
#include "clang-pseudo/Bracket.h"
#include "clang-pseudo/DirectiveTree.h"
#include "clang-pseudo/Forest.h"
#include "clang-pseudo/GLR.h"
#include "clang-pseudo/Token.h"
#include "clang-pseudo/cli/CLI.h"
#include "clang-pseudo/grammar/Grammar.h"
#include "clang-pseudo/grammar/LRTable.h"
#include "clang/Basic/LangOptions.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include <string>

desc;
opt;
Required;

static opt<std::string> Source("source", desc("Source file"), Required);

namespace clang {
namespace pseudo {
namespace bench {
namespace … // namespace
} // namespace bench
} // namespace pseudo
} // namespace clang

int main(int argc, char *argv[]) { … }