1  // go-optimize.h -- Go frontend optimizer flags.    -*- C++ -*-
       2  
       3  // Copyright 2011 The Go Authors. All rights reserved.
       4  // Use of this source code is governed by a BSD-style
       5  // license that can be found in the LICENSE file.
       6  
       7  #ifndef GO_OPTIMIZE_H
       8  #define GO_OPTIMIZE_H
       9  
      10  // This class manages different arguments to -fgo-optimize-XXX.  If you
      11  // want to create a new optimization, create a variable of this type with the
      12  // name to use for XXX.  You can then use is_enabled to see whether
      13  // the -fgo-optimize-XXX option was used on the command line.
      14  
      15  class Go_optimize
      16  {
      17   public:
      18    Go_optimize(const char*, bool);
      19  
      20    // Whether this optimizaiton was enabled.
      21    bool
      22    is_enabled() const
      23    { return this->is_enabled_; }
      24  
      25    // Enable/disable an optimization by name.  Return true if found.
      26    static bool
      27    enable_by_name(const char*, bool);
      28  
      29   private:
      30    // The next optimize flag.  These are not in any order.
      31    Go_optimize* next_;
      32    // The name of this optimization pass.
      33    const char* name_;
      34    // Whether this dump was enabled.
      35    bool is_enabled_;
      36  };
      37  
      38  #endif // !defined(GO_OPTIMIZE_H)