diff options
| -rw-r--r-- | src/glsl/opt_dead_functions.cpp | 174 |
1 files changed, 88 insertions, 86 deletions
diff --git a/src/glsl/opt_dead_functions.cpp b/src/glsl/opt_dead_functions.cpp index ceb79080a7..51c77e3b94 100644 --- a/src/glsl/opt_dead_functions.cpp +++ b/src/glsl/opt_dead_functions.cpp @@ -1,109 +1,111 @@ - /* - * Copyright © 2010 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. - */ +/* + * Copyright © 2010 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. + */ - /** - * \file opt_dead_functions.cpp - * - * Eliminates unused functions from the linked program. - */ +/** + * \file opt_dead_functions.cpp + * + * Eliminates unused functions from the linked program. + */ - #include "ir.h" - #include "ir_visitor.h" - #include "ir_expression_flattening.h" - #include "glsl_types.h" +#include "ir.h" +#include "ir_visitor.h" +#include "ir_expression_flattening.h" +#include "glsl_types.h" - class signature_entry : public exec_node - { - public: - signature_entry(ir_function_signature *sig) - { - this->signature = sig; - this->used = false; - } +class signature_entry : public exec_node +{ +public: + signature_entry(ir_function_signature *sig) + { + this->signature = sig; + this->used = false; + } - ir_function_signature *signature; - bool used; - }; + ir_function_signature *signature; + bool used; +}; - class ir_dead_functions_visitor : public ir_hierarchical_visitor { - public: - ir_dead_functions_visitor() - { - this->mem_ctx = ralloc_context(NULL); - } +class ir_dead_functions_visitor : public ir_hierarchical_visitor { +public: + ir_dead_functions_visitor() + { + this->mem_ctx = ralloc_context(NULL); + } - ~ir_dead_functions_visitor() - { - ralloc_free(this->mem_ctx); - } + ~ir_dead_functions_visitor() + { + ralloc_free(this->mem_ctx); + } - virtual ir_visitor_status visit_enter(ir_function_signature *); - virtual ir_visitor_status visit_enter(ir_call *); + virtual ir_visitor_status visit_enter(ir_function_signature *); + virtual ir_visitor_status visit_enter(ir_call *); - signature_entry *get_signature_entry(ir_function_signature *var); + signature_entry *get_signature_entry(ir_function_signature *var); - bool (*predicate)(ir_instruction *ir); + bool (*predicate)(ir_instruction *ir); - /* List of signature_entry */ - exec_list signature_list; - void *mem_ctx; - }; + /* List of signature_entry */ + exec_list signature_list; + void *mem_ctx; +}; - signature_entry * - ir_dead_functions_visitor::get_signature_entry(ir_function_signature *sig) - { - foreach_iter(exec_list_iterator, iter, this->signature_list) { - signature_entry *entry = (signature_entry *)iter.get(); - if (entry->signature == sig) - return entry; - } +signature_entry * +ir_dead_functions_visitor::get_signature_entry(ir_function_signature *sig) +{ + foreach_iter(exec_list_iterator, iter, this->signature_list) { + signature_entry *entry = (signature_entry *)iter.get(); + if (entry->signature == sig) + return entry; + } - signature_entry *entry = new(mem_ctx) signature_entry(sig); - this->signature_list.push_tail(entry); - return entry; - } + signature_entry *entry = new(mem_ctx) signature_entry(sig); + this->signature_list.push_tail(entry); + return entry; +} - ir_visitor_status - ir_dead_functions_visitor::visit_enter(ir_function_signature *ir) - { - signature_entry *entry = this->get_signature_entry(ir); +ir_visitor_status +ir_dead_functions_visitor::visit_enter(ir_function_signature *ir) +{ + signature_entry *entry = this->get_signature_entry(ir); - if (strcmp(ir->function_name(), "main") == 0) { - entry->used = true; - } + if (strcmp(ir->function_name(), "main") == 0) { + entry->used = true; + } - return visit_continue; - } - ir_visitor_status - ir_dead_functions_visitor::visit_enter(ir_call *ir) - { - signature_entry *entry = this->get_signature_entry(ir->get_callee()); + return visit_continue; +} + + +ir_visitor_status +ir_dead_functions_visitor::visit_enter(ir_call *ir) +{ + signature_entry *entry = this->get_signature_entry(ir->get_callee()); - entry->used = true; + entry->used = true; return visit_continue; } |