/*
 * Copyright 2016 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <folly/Benchmark.h>

#define BENCH_GEN_IMPL(gen, prefix)                         \
static bool FB_ANONYMOUS_VARIABLE(benchGen) = (             \
  ::folly::addBenchmark(__FILE__, prefix FB_STRINGIZE(gen), \
    [](unsigned iters){                                     \
      const unsigned num = iters;                           \
      while (iters--) {                                     \
        folly::doNotOptimizeAway(gen);                      \
      }                                                     \
      return num;                                           \
    }), true)
#define BENCH_GEN(gen) BENCH_GEN_IMPL(gen, "")
#define BENCH_GEN_REL(gen) BENCH_GEN_IMPL(gen, "%")
