|  | // Copyright (c) 2019 Google LLC | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //     http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  |  | 
|  | #ifndef SOURCE_OPT_ELIMINATE_DEAD_FUNCTIONS_UTIL_H_ | 
|  | #define SOURCE_OPT_ELIMINATE_DEAD_FUNCTIONS_UTIL_H_ | 
|  |  | 
|  | #include "source/opt/ir_context.h" | 
|  |  | 
|  | namespace spvtools { | 
|  | namespace opt { | 
|  |  | 
|  | // Provides functionality for eliminating functions that are not needed, for use | 
|  | // by various analyses and passes. | 
|  | namespace eliminatedeadfunctionsutil { | 
|  |  | 
|  | // Removes all of the function's instructions, removes the function from the | 
|  | // module, and returns the next iterator. | 
|  | Module::iterator EliminateFunction(IRContext* context, | 
|  | Module::iterator* func_iter); | 
|  |  | 
|  | }  // namespace eliminatedeadfunctionsutil | 
|  | }  // namespace opt | 
|  | }  // namespace spvtools | 
|  |  | 
|  | #endif  //  SOURCE_OPT_ELIMINATE_DEAD_FUNCTIONS_UTIL_H_ |