1 //
2 // Copyright (c) 2017 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 // RemoveUnreferencedVariables.h:
7 //  Drop variables that are declared but never referenced in the AST. This avoids adding unnecessary
8 //  initialization code for them. Also removes unreferenced struct types.
9 //
10 
11 #ifndef COMPILER_TRANSLATOR_REMOVEUNREFERENCEDVARIABLES_H_
12 #define COMPILER_TRANSLATOR_REMOVEUNREFERENCEDVARIABLES_H_
13 
14 namespace sh
15 {
16 
17 class TIntermBlock;
18 class TSymbolTable;
19 
20 void RemoveUnreferencedVariables(TIntermBlock *root, TSymbolTable *symbolTable);
21 
22 }  // namespace sh
23 
24 #endif  // COMPILER_TRANSLATOR_REMOVEUNREFERENCEDVARIABLES_H_
25