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 #ifndef SOURCE_OPT_ELIMINATE_DEAD_FUNCTIONS_UTIL_H_
16 #define SOURCE_OPT_ELIMINATE_DEAD_FUNCTIONS_UTIL_H_
17 
18 #include "source/opt/ir_context.h"
19 
20 namespace spvtools {
21 namespace opt {
22 
23 // Provides functionality for eliminating functions that are not needed, for use
24 // by various analyses and passes.
25 namespace eliminatedeadfunctionsutil {
26 
27 // Removes all of the function's instructions, removes the function from the
28 // module, and returns the next iterator.
29 Module::iterator EliminateFunction(IRContext* context,
30                                    Module::iterator* func_iter);
31 
32 }  // namespace eliminatedeadfunctionsutil
33 }  // namespace opt
34 }  // namespace spvtools
35 
36 #endif  //  SOURCE_OPT_ELIMINATE_DEAD_FUNCTIONS_UTIL_H_
37