| // 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. | |
| #ifndef SOURCE_OPT_DECOMPOSE_INITALIZED_VAIRABLES_PASS_H_ | |
| #define SOURCE_OPT_DECOMPOSE_INITALIZED_VAIRABLES_PASS_H_ | |
| #include "source/opt/ir_context.h" | |
| #include "source/opt/module.h" | |
| #include "source/opt/pass.h" | |
| namespace spvtools { | |
| namespace opt { | |
| // Converts variable declartions with initializers into seperate declaration and | |
| // assignment statements. This is done due to known issues with some Vulkan | |
| // implementations' handling of initialized variables. | |
| // | |
| // Only decomposes variables with storage classes that are valid in Vulkan | |
| // execution environments; Output, Private, and Function. | |
| // Currently only Function is implemented. | |
| class DecomposeInitializedVariablesPass : public Pass { | |
| public: | |
| const char* name() const override { | |
| return "decompose-initialized-variables"; | |
| } | |
| Status Process() override; | |
| IRContext::Analysis GetPreservedAnalyses() override { | |
| return IRContext::kAnalysisInstrToBlockMapping | | |
| IRContext::kAnalysisDecorations | IRContext::kAnalysisCombinators | | |
| IRContext::kAnalysisCFG | IRContext::kAnalysisDominatorAnalysis | | |
| IRContext::kAnalysisLoopAnalysis | IRContext::kAnalysisNameMap | | |
| IRContext::kAnalysisScalarEvolution | | |
| IRContext::kAnalysisRegisterPressure | | |
| IRContext::kAnalysisValueNumberTable | | |
| IRContext::kAnalysisStructuredCFG | | |
| IRContext::kAnalysisBuiltinVarId | | |
| IRContext::kAnalysisIdToFuncMapping | IRContext::kAnalysisTypes | | |
| IRContext::kAnalysisDefUse | IRContext::kAnalysisConstants; | |
| } | |
| }; | |
| } // namespace opt | |
| } // namespace spvtools | |
| #endif // SOURCE_OPT_DECOMPOSE_INITALIZED_VAIRABLES_PASS_H_ |