mirror of https://github.com/bkaradzic/bgfx
Updated spirv-cross.
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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2016-2020 Arm Limited
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* Copyright 2016-2021 Arm Limited
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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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/*
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* Copyright 2016-2020 Arm Limited
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* Copyright 2016-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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@ -2829,7 +2829,8 @@ const SPIRConstant &Compiler::get_constant(ConstantID id) const
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return get<SPIRConstant>(id);
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}
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static bool exists_unaccessed_path_to_return(const CFG &cfg, uint32_t block, const unordered_set<uint32_t> &blocks)
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static bool exists_unaccessed_path_to_return(const CFG &cfg, uint32_t block, const unordered_set<uint32_t> &blocks,
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unordered_set<uint32_t> &visit_cache)
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{
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// This block accesses the variable.
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if (blocks.find(block) != end(blocks))
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@ -2841,8 +2842,14 @@ static bool exists_unaccessed_path_to_return(const CFG &cfg, uint32_t block, con
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// If any of our successors have a path to the end, there exists a path from block.
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for (auto &succ : cfg.get_succeeding_edges(block))
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if (exists_unaccessed_path_to_return(cfg, succ, blocks))
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{
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if (visit_cache.count(succ) == 0)
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{
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if (exists_unaccessed_path_to_return(cfg, succ, blocks, visit_cache))
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return true;
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visit_cache.insert(succ);
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}
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}
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return false;
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}
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@ -2899,7 +2906,8 @@ void Compiler::analyze_parameter_preservation(
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// void foo(int &var) { if (cond) var = 10; }
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// Using read/write counts, we will think it's just an out variable, but it really needs to be inout,
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// because if we don't write anything whatever we put into the function must return back to the caller.
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if (exists_unaccessed_path_to_return(cfg, entry.entry_block, itr->second))
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unordered_set<uint32_t> visit_cache;
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if (exists_unaccessed_path_to_return(cfg, entry.entry_block, itr->second, visit_cache))
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arg.read_count++;
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}
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}
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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2019-2020 Hans-Kristian Arntzen
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* Copyright 2019-2021 Hans-Kristian Arntzen
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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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/*
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* Copyright 2019-2020 Hans-Kristian Arntzen
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* Copyright 2019-2021 Hans-Kristian Arntzen
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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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/*
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* Copyright 2019-2020 Hans-Kristian Arntzen
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* Copyright 2019-2021 Hans-Kristian Arntzen
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2018-2020 Arm Limited
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* Copyright 2018-2021 Arm Limited
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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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/*
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* Copyright 2018-2020 Arm Limited
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* Copyright 2018-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2015-2020 Arm Limited
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* Copyright 2015-2021 Arm Limited
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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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/*
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* Copyright 2016-2020 Robert Konrad
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* Copyright 2016-2021 Robert Konrad
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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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/*
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* Copyright 2016-2020 Robert Konrad
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* Copyright 2016-2021 Robert Konrad
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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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/*
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* Copyright 2016-2020 The Brenwill Workshop Ltd.
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* Copyright 2016-2021 The Brenwill Workshop Ltd.
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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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/*
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* Copyright 2016-2020 The Brenwill Workshop Ltd.
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* Copyright 2016-2021 The Brenwill Workshop Ltd.
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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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/*
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* Copyright 2018-2020 Arm Limited
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* Copyright 2018-2021 Arm Limited
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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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/*
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* Copyright 2018-2020 Arm Limited
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* Copyright 2018-2021 Arm Limited
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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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@ -1,5 +1,5 @@
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/*
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* Copyright 2018-2020 Bradley Austin Davis
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* Copyright 2018-2021 Bradley Austin Davis
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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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@ -1,5 +1,5 @@
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/*
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* Copyright 2018-2020 Bradley Austin Davis
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* Copyright 2018-2021 Bradley Austin Davis
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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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