/* * Copyright © 2012 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * * Authors: * Eric Anholt * */ #pragma once #ifndef BRW_CFG_H #define BRW_CFG_H #include "brw_shader.h" struct bblock_t; struct bblock_link { #ifdef __cplusplus DECLARE_RALLOC_CXX_OPERATORS(bblock_link) bblock_link(bblock_t *block) : block(block) { } #endif struct exec_node link; struct bblock_t *block; }; #ifndef __cplusplus struct backend_instruction; #endif struct bblock_t { #ifdef __cplusplus DECLARE_RALLOC_CXX_OPERATORS(bblock_t) bblock_t(); void add_successor(void *mem_ctx, bblock_t *successor); void dump(backend_visitor *v); #endif struct backend_instruction *start; struct backend_instruction *end; int start_ip; int end_ip; struct exec_list parents; struct exec_list children; int block_num; /* If the current basic block ends in an IF, ELSE, or ENDIF instruction, * these pointers will hold the locations of the other associated control * flow instructions. * * Otherwise they are NULL. */ struct backend_instruction *if_inst; struct backend_instruction *else_inst; struct backend_instruction *endif_inst; }; #ifdef __cplusplus class cfg_t { public: DECLARE_RALLOC_CXX_OPERATORS(cfg_t) cfg_t(exec_list *instructions); ~cfg_t(); bblock_t *new_block(); void set_next_block(bblock_t **cur, bblock_t *block, int ip); void make_block_array(); void dump(backend_visitor *v); void *mem_ctx; /** Ordered list (by ip) of basic blocks */ exec_list block_list; bblock_t **blocks; int num_blocks; }; #endif #endif /* BRW_CFG_H */