17ec681f3Smrg/* 27ec681f3Smrg * Copyright © 2018 Intel Corporation 37ec681f3Smrg * 47ec681f3Smrg * Permission is hereby granted, free of charge, to any person obtaining a 57ec681f3Smrg * copy of this software and associated documentation files (the "Software"), 67ec681f3Smrg * to deal in the Software without restriction, including without limitation 77ec681f3Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 87ec681f3Smrg * and/or sell copies of the Software, and to permit persons to whom the 97ec681f3Smrg * Software is furnished to do so, subject to the following conditions: 107ec681f3Smrg * 117ec681f3Smrg * The above copyright notice and this permission notice (including the next 127ec681f3Smrg * paragraph) shall be included in all copies or substantial portions of the 137ec681f3Smrg * Software. 147ec681f3Smrg * 157ec681f3Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 167ec681f3Smrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 177ec681f3Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 187ec681f3Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 197ec681f3Smrg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 207ec681f3Smrg * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 217ec681f3Smrg * IN THE SOFTWARE. 227ec681f3Smrg */ 237ec681f3Smrg#ifndef _NIR_RANGE_ANALYSIS_H_ 247ec681f3Smrg#define _NIR_RANGE_ANALYSIS_H_ 257ec681f3Smrg 267ec681f3Smrgenum PACKED ssa_ranges { 277ec681f3Smrg unknown = 0, 287ec681f3Smrg lt_zero, 297ec681f3Smrg le_zero, 307ec681f3Smrg gt_zero, 317ec681f3Smrg ge_zero, 327ec681f3Smrg ne_zero, 337ec681f3Smrg eq_zero, 347ec681f3Smrg last_range = eq_zero 357ec681f3Smrg}; 367ec681f3Smrg 377ec681f3Smrgstruct ssa_result_range { 387ec681f3Smrg enum ssa_ranges range; 397ec681f3Smrg 407ec681f3Smrg /** A floating-point value that can only have integer values. */ 417ec681f3Smrg bool is_integral; 427ec681f3Smrg 437ec681f3Smrg /** A floating-point value that cannot be NaN. */ 447ec681f3Smrg bool is_a_number; 457ec681f3Smrg 467ec681f3Smrg /** Is the value known to be a finite number? */ 477ec681f3Smrg bool is_finite; 487ec681f3Smrg}; 497ec681f3Smrg 507ec681f3Smrg#ifdef __cplusplus 517ec681f3Smrgextern "C" { 527ec681f3Smrg#endif 537ec681f3Smrg 547ec681f3Smrgextern struct ssa_result_range 557ec681f3Smrgnir_analyze_range(struct hash_table *range_ht, 567ec681f3Smrg const nir_alu_instr *instr, unsigned src); 577ec681f3Smrg 587ec681f3Smrguint64_t nir_ssa_def_bits_used(nir_ssa_def *def); 597ec681f3Smrg 607ec681f3Smrg#ifdef __cplusplus 617ec681f3Smrg} 627ec681f3Smrg#endif 637ec681f3Smrg#endif /* _NIR_RANGE_ANALYSIS_H_ */ 64