gcc/go/gofrontend/go-optimize.h

   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)