xref: /aosp_15_r20/external/swiftshader/third_party/marl/src/defer_bench.cpp (revision 03ce13f70fcc45d86ee91b7ee4cab1936a95046e)
1 // Copyright 2020 The Marl Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "marl/defer.h"
16 
17 #include "benchmark/benchmark.h"
18 
19 volatile int do_not_optimize_away_result = 0;
20 
Defer(benchmark::State & state)21 static void Defer(benchmark::State& state) {
22   for (auto _ : state) {
23     // Avoid benchmark::DoNotOptimize() as this is unfairly slower on Windows.
24     defer(do_not_optimize_away_result++);
25   }
26 }
27 BENCHMARK(Defer);
28