/* * 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 * */ #include "brw_fs.h" class bblock_link : public exec_node { public: bblock_link(bblock_t *block) : block(block) { } bblock_t *block; }; class bblock_t { public: static void* operator new(size_t size, void *ctx) { void *node; node = rzalloc_size(ctx, size); assert(node != NULL); return node; } bblock_link *make_list(void *mem_ctx); bblock_t(); void add_successor(void *mem_ctx, bblock_t *successor); backend_instruction *start; backend_instruction *end; int start_ip; int end_ip; exec_list parents; exec_list children; int block_num; }; class cfg_t { public: static void* operator new(size_t size, void *ctx) { void *node; node = rzalloc_size(ctx, size); assert(node != NULL); return node; } cfg_t(backend_visitor *v); ~cfg_t(); bblock_t *new_block(); void set_next_block(bblock_t *block); void make_block_array(); /** @{ * * Used while generating the block list. */ bblock_t *cur; int ip; /** @} */ void *mem_ctx; /** Ordered list (by ip) of basic blocks */ exec_list block_list; bblock_t **blocks; int num_blocks; };