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
20namespace spvtools {
21namespace opt {
22
23// Provides functionality for eliminating functions that are not needed, for use
24// by various analyses and passes.
25namespace eliminatedeadfunctionsutil {
26
27// Removes all of the function's instructions, removes the function from the
28// module, and returns the next iterator.
29Module::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