Line data    Source code

       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         4252 :   is_enabled() const
      23         4252 :   { 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)