text: /*
     +----------------------------------------------------------------------+
     | HipHop for PHP                                                       |
     +----------------------------------------------------------------------+
     | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
     +----------------------------------------------------------------------+
     | This source file is subject to version 3.01 of the PHP license,      |
     | that is bundled with this package in the file LICENSE, and is        |
     | available through the world-wide-web at the following url:           |
     | http://www.php.net/license/3_01.txt                                  |
     | If you did not receive a copy of the PHP license and are unable to   |
     | obtain it through the world-wide-web, please send a note to          |
     | license@php.net so we can mail you a copy immediately.               |
     +----------------------------------------------------------------------+
  */
  #pragma once
  
  #include "hphp/hhbbc/context.h"
  
  namespace HPHP { namespace HHBBC {
  
  //////////////////////////////////////////////////////////////////////
  
  struct Index;
  struct FuncAnalysis;
  struct Bytecode;
  struct BlockUpdateInfo;
  
  using BlockUpdates = CompactVector<std::pair<BlockId, CompressedBlockUpdate>>;
  
  /*
   * Use information from an analyze call to perform various
   * optimizations on a function.
   *
   * The Index should be unchanged since the one that was provided to
   * the corresponding analyze_func call.
   *
   * This routine may modify the php::Blocks attached to the passed-in
   * php::Func, and may renumber the php::Func's locals, but won't update
   * any of the func's other metadata.
   */
  void optimize_func(const Index&, FuncAnalysis&&, php::WideFunc&);
  
  void update_bytecode(php::WideFunc&, BlockUpdates&&, FuncAnalysis* = nullptr);
  
  /*
   * Optimize property type hints for a particular class.
   */
  void optimize_class_prop_type_hints(const Index& index, Context ctx);
  
  /*
   * Return a bytecode to generate the value in cell
   */
  Bytecode gen_constant(const TypedValue& cell);
  
  //////////////////////////////////////////////////////////////////////
  
  }}
  
  