RemoveUnreferencedVariables.h

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//

// Copyright 2017 The ANGLE Project Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

//

// RemoveUnreferencedVariables.h:

//  Drop variables that are declared but never referenced in the AST. This avoids adding unnecessary

//  initialization code for them. Also removes unreferenced struct types.

//

#ifndef COMPILER_TRANSLATOR_TREEOPS_REMOVEUNREFERENCEDVARIABLES_H_

#define COMPILER_TRANSLATOR_TREEOPS_REMOVEUNREFERENCEDVARIABLES_H_

#include "common/angleutils.h"

namespace sh

class TCompiler;

class TIntermBlock;

class TSymbolTable;

[[nodiscard]] bool RemoveUnreferencedVariables(TCompiler *compiler,

                                               TIntermBlock *root,

                                               TSymbolTable *symbolTable);

}  // namespace sh

#endif  // COMPILER_TRANSLATOR_TREEOPS_REMOVEUNREFERENCEDVARIABLES_H_