mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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// Copyright (c) 2022 The Khronos Group Inc.
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// Copyright (c) 2022 LunarG Inc.
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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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#ifndef SOURCE_OPT_ANALYZE_LIVE_INPUT_H_
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#define SOURCE_OPT_ANALYZE_LIVE_INPUT_H_
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#include <unordered_set>
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#include "source/opt/pass.h"
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namespace spvtools {
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namespace opt {
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// See optimizer.hpp for documentation.
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class AnalyzeLiveInputPass : public Pass {
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public:
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explicit AnalyzeLiveInputPass(std::unordered_set<uint32_t>* live_locs,
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std::unordered_set<uint32_t>* live_builtins)
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: live_locs_(live_locs), live_builtins_(live_builtins) {}
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const char* name() const override { return "analyze-live-input"; }
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Status Process() override;
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// Return the mask of preserved Analyses.
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IRContext::Analysis GetPreservedAnalyses() override {
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return IRContext::kAnalysisDefUse |
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IRContext::kAnalysisInstrToBlockMapping |
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IRContext::kAnalysisCombinators | IRContext::kAnalysisCFG |
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IRContext::kAnalysisDominatorAnalysis |
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IRContext::kAnalysisLoopAnalysis | IRContext::kAnalysisNameMap |
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IRContext::kAnalysisConstants | IRContext::kAnalysisTypes;
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}
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private:
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// Do live input analysis
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Status DoLiveInputAnalysis();
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std::unordered_set<uint32_t>* live_locs_;
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std::unordered_set<uint32_t>* live_builtins_;
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};
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} // namespace opt
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} // namespace spvtools
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#endif // SOURCE_OPT_ANALYZE_LIVE_INPUT_H_
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