libpcp/pcp_scalar_order.h

   1 // Copyright (C) 2009 Free Software Foundation, Inc.
   2 // Contributed by Jan Sjodin <jan.sjodin@amd.com>.
   3
   4 // This file is part of the Polyhedral Compilation Package Library (libpcp).
   5
   6 // Libpcp is free software; you can redistribute it and/or modify it
   7 // under the terms of the GNU Lesser General Public License as published by
   8 // the Free Software Foundation; either version 2.1 of the License, or
   9 // (at your option) any later version.
  10
  11 // Libpcp is distributed in the hope that it will be useful, but WITHOUT ANY
  12 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13 // FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
  14 // more details.
  15
  16 // You should have received a copy of the GNU Lesser General Public License
  17 // along with libpcp; see the file COPYING.LIB.  If not, write to the
  18 // Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  19 // MA 02110-1301, USA.
  20
  21 // As a special exception, if you link this library with other files, some
  22 // of which are compiled with GCC, to produce an executable, this library
  23 // does not by itself cause the resulting executable to be covered by the
  24 // GNU General Public License.  This exception does not however invalidate
  25 // any other reasons why the executable file might be covered by the GNU
  26 // General Public License.
  27
  28 #ifndef _PCP_SCALAR_ORDER_
  29 #define _PCP_SCALAR_ORDER_
  30 #include "pcp.h"
  31 #include "pcp_map.h"
  32 #include "pcp_visitor.h"
  33
  34 class PcpScalarOrder
  35 {
  36  protected:
  37   PcpMap<PcpExpr*, int>* orderMap;
  38
  39   void setOrderMap(PcpMap<PcpExpr*, int>* orderMap);
  40   PcpMap<PcpExpr*, int>* getOrderMap();
  41
  42
  43   class Visitor : public PcpVisitor
  44   {
  45   protected:
  46     int ivCount;
  47     int parameterCount;
  48     PcpMap<PcpExpr*, int>* orderMap;
  49
  50     void setIvCount(int ivCount);
  51     int getIvCount();
  52     void incrementIvCount();
  53     void decrementIvCount();
  54
  55     void setParameterCount(int parameterCount);
  56     int getParameterCount();
  57     void incrementParameterCount();
  58     void decrementParameterCount();
  59
  60     void setOrderMap(PcpMap<PcpExpr*, int>* orderMap);
  61     PcpMap<PcpExpr*, int>* getOrderMap();
  62
  63   public:
  64     virtual void visit(PcpScop* scop);
  65     virtual void visit(PcpLoop* loop);
  66     virtual void visit(PcpSequence* sequence);
  67     virtual void visit(PcpGuard* guard);
  68     virtual void visit(PcpIv* iv);
  69     virtual void visit(PcpParameter* parameter);
  70
  71     Visitor(PcpMap<PcpExpr*, int>* orderMap);
  72   };
  73
  74  public:
  75   bool equal(PcpExpr* expr1, PcpExpr* expr2);
  76   bool less(PcpExpr* expr1, PcpExpr* expr2);
  77
  78   PcpScalarOrder(PcpScop* scop);
  79 };
  80
  81 #endif // _PCP_SCALAR_ORDER_