SPIRV-Tools/source/reduce/remove_function_reduction_opportunity_finder.cpp
Paul Thomson d90aae9a5a
reduce: miscellaneous fixes (#2494)
* Fix .gitignore 
* Add missing reduction pass: RemoveBlockReductionOpportunityFinder 
* Add DumpShader functions in test_reduce for debugging 
* Add DumpShader functions in spirv-reduce for debugging 
* Fix include style 
* Don't use "using namespace"
2019-04-08 19:37:17 +01:00

44 lines
1.5 KiB
C++

// Copyright (c) 2019 Google LLC
//
// 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 "source/reduce/remove_function_reduction_opportunity_finder.h"
#include "source/reduce/remove_function_reduction_opportunity.h"
namespace spvtools {
namespace reduce {
std::vector<std::unique_ptr<ReductionOpportunity>>
RemoveFunctionReductionOpportunityFinder::GetAvailableOpportunities(
opt::IRContext* context) const {
std::vector<std::unique_ptr<ReductionOpportunity>> result;
// Consider each function.
for (auto& function : *context->module()) {
if (context->get_def_use_mgr()->NumUses(function.result_id()) > 0) {
// If the function is referenced, ignore it.
continue;
}
result.push_back(
MakeUnique<RemoveFunctionReductionOpportunity>(context, &function));
}
return result;
}
std::string RemoveFunctionReductionOpportunityFinder::GetName() const {
return "RemoveFunctionReductionOpportunityFinder";
}
} // namespace reduce
} // namespace spvtools