diff options
Diffstat (limited to 'source/opt/analyze_live_input_pass.h')
-rw-r--r-- | source/opt/analyze_live_input_pass.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/source/opt/analyze_live_input_pass.h b/source/opt/analyze_live_input_pass.h new file mode 100644 index 000000000..ab292effe --- /dev/null +++ b/source/opt/analyze_live_input_pass.h @@ -0,0 +1,57 @@ +// Copyright (c) 2022 The Khronos Group Inc. +// Copyright (c) 2022 LunarG 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. + +#ifndef SOURCE_OPT_ANALYZE_LIVE_INPUT_H_ +#define SOURCE_OPT_ANALYZE_LIVE_INPUT_H_ + +#include <unordered_set> + +#include "source/opt/pass.h" + +namespace spvtools { +namespace opt { + +// See optimizer.hpp for documentation. +class AnalyzeLiveInputPass : public Pass { + public: + explicit AnalyzeLiveInputPass(std::unordered_set<uint32_t>* live_locs, + std::unordered_set<uint32_t>* live_builtins) + : live_locs_(live_locs), live_builtins_(live_builtins) {} + + const char* name() const override { return "analyze-live-input"; } + Status Process() override; + + // Return the mask of preserved Analyses. + IRContext::Analysis GetPreservedAnalyses() override { + return IRContext::kAnalysisDefUse | + IRContext::kAnalysisInstrToBlockMapping | + IRContext::kAnalysisCombinators | IRContext::kAnalysisCFG | + IRContext::kAnalysisDominatorAnalysis | + IRContext::kAnalysisLoopAnalysis | IRContext::kAnalysisNameMap | + IRContext::kAnalysisConstants | IRContext::kAnalysisTypes; + } + + private: + // Do live input analysis + Status DoLiveInputAnalysis(); + + std::unordered_set<uint32_t>* live_locs_; + std::unordered_set<uint32_t>* live_builtins_; +}; + +} // namespace opt +} // namespace spvtools + +#endif // SOURCE_OPT_ANALYZE_LIVE_INPUT_H_ |