1 // 2 // Copyright 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_TREEOPS_REMOVEUNREFERENCEDVARIABLES_H_ 12 #define COMPILER_TRANSLATOR_TREEOPS_REMOVEUNREFERENCEDVARIABLES_H_ 13 14 #include "common/angleutils.h" 15 16 namespace sh 17 { 18 19 class TCompiler; 20 class TIntermBlock; 21 class TSymbolTable; 22 23 [[nodiscard]] bool RemoveUnreferencedVariables(TCompiler *compiler, 24 TIntermBlock *root, 25 TSymbolTable *symbolTable); 26 27 } // namespace sh 28 29 #endif // COMPILER_TRANSLATOR_TREEOPS_REMOVEUNREFERENCEDVARIABLES_H_ 30