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b6c81b3ff4
nir_metadata_dirty was a terrible name because the parameter it takes is the metadata to be preserved. This is really confusing because it looks like it's doing the opposite of what it is actually doing. Now it's named sensibly. Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Jason Ekstrand (jason@jlekstrand.net)
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*/
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#include "nir.h"
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/*
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* Handles management of the metadata.
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*/
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void
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nir_metadata_require(nir_function_impl *impl, nir_metadata required)
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{
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#define NEEDS_UPDATE(X) ((required & ~impl->valid_metadata) & (X))
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if (NEEDS_UPDATE(nir_metadata_block_index))
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nir_index_blocks(impl);
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if (NEEDS_UPDATE(nir_metadata_dominance))
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nir_calc_dominance_impl(impl);
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if (NEEDS_UPDATE(nir_metadata_live_variables))
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nir_live_variables_impl(impl);
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#undef NEEDS_UPDATE
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impl->valid_metadata |= required;
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}
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void
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nir_metadata_preserve(nir_function_impl *impl, nir_metadata preserved)
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{
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impl->valid_metadata &= preserved;
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}
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