1 // Copyright (c) 2019 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "source/reduce/remove_function_reduction_opportunity.h" 16 17 #include "source/opt/eliminate_dead_functions_util.h" 18 19 namespace spvtools { 20 namespace reduce { 21 PreconditionHolds()22bool RemoveFunctionReductionOpportunity::PreconditionHolds() { 23 // Removing one function cannot influence whether another function can be 24 // removed. 25 return true; 26 } 27 Apply()28void RemoveFunctionReductionOpportunity::Apply() { 29 for (opt::Module::iterator function_it = context_->module()->begin(); 30 function_it != context_->module()->end(); ++function_it) { 31 if (&*function_it == function_) { 32 opt::eliminatedeadfunctionsutil::EliminateFunction(context_, 33 &function_it); 34 return; 35 } 36 } 37 assert(0 && "Function to be removed was not found."); 38 } 39 40 } // namespace reduce 41 } // namespace spvtools 42