81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
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/*
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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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*/
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#ifndef _NIR_SEARCH_
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#define _NIR_SEARCH_
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#include "nir.h"
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#define NIR_SEARCH_MAX_VARIABLES 16
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typedef enum {
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nir_search_value_expression,
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nir_search_value_variable,
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nir_search_value_constant,
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} nir_search_value_type;
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typedef struct {
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nir_search_value_type type;
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} nir_search_value;
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typedef struct {
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nir_search_value value;
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/** The variable index; Must be less than NIR_SEARCH_MAX_VARIABLES */
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unsigned variable;
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} nir_search_variable;
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typedef struct {
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nir_search_value value;
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union {
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uint32_t u;
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int32_t i;
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float f;
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} data;
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} nir_search_constant;
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typedef struct {
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nir_search_value value;
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nir_op opcode;
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const nir_search_value *srcs[4];
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} nir_search_expression;
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NIR_DEFINE_CAST(nir_search_value_as_variable, nir_search_value,
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nir_search_variable, value)
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NIR_DEFINE_CAST(nir_search_value_as_constant, nir_search_value,
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nir_search_constant, value)
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NIR_DEFINE_CAST(nir_search_value_as_expression, nir_search_value,
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nir_search_expression, value)
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nir_alu_instr *
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nir_replace_instr(nir_alu_instr *instr, const nir_search_expression *search,
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const nir_search_value *replace, void *mem_ctx);
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#endif /* _NIR_SEARCH_ */
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