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https://github.com/KhronosGroup/SPIRV-Tools
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34c5ac614c
* Fixes #2358. Added to the reducer the ability to remove a function that is not directly called. Factored out some code from the optimizer to help with this.
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
// Copyright (c) 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "remove_function_reduction_opportunity_finder.h"
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#include "remove_function_reduction_opportunity.h"
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namespace spvtools {
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namespace reduce {
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std::vector<std::unique_ptr<ReductionOpportunity>>
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RemoveFunctionReductionOpportunityFinder::GetAvailableOpportunities(
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opt::IRContext* context) const {
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std::vector<std::unique_ptr<ReductionOpportunity>> result;
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// Consider each function.
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for (auto& function : *context->module()) {
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if (context->get_def_use_mgr()->NumUses(function.result_id()) > 0) {
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// If the function is referenced, ignore it.
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continue;
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}
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result.push_back(
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MakeUnique<RemoveFunctionReductionOpportunity>(context, &function));
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}
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return result;
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}
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std::string RemoveFunctionReductionOpportunityFinder::GetName() const {
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return "RemoveFunctionReductionOpportunityFinder";
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}
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} // namespace reduce
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} // namespace spvtools
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