SPIRV-Tools/test/fuzzers/spvtools_opt_performance_fuzzer.cpp

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// Copyright (c) 2018 Google 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.
#include <cstdint>
#include <vector>
#include "spirv-tools/optimizer.hpp"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
spvtools::Optimizer optimizer(SPV_ENV_UNIVERSAL_1_3);
optimizer.SetMessageConsumer([](spv_message_level_t, const char*,
const spv_position_t&, const char*) {});
std::vector<uint32_t> input;
input.resize(size >> 2);
size_t count = 0;
for (size_t i = 0; (i + 3) < size; i += 4) {
input[count++] = data[i] | (data[i + 1] << 8) | (data[i + 2] << 16) |
(data[i + 3]) << 24;
}
optimizer.RegisterPerformancePasses();
optimizer.Run(input.data(), input.size(), &input);
return 0;
}