include/osl/extensions/irregular.h

   1
   2     /*+-----------------------------------------------------------------**
   3      **                       OpenScop Library                          **
   4      **-----------------------------------------------------------------**
   5      **                     extensions/irregular.h                        **
   6      **-----------------------------------------------------------------**
   7      **                   First version: 07/12/2010                     **
   8      **-----------------------------------------------------------------**
   9
  10
  11  *****************************************************************************
  12  * OpenScop: Structures and formats for polyhedral tools to talk together    *
  13  *****************************************************************************
  14  *    ,___,,_,__,,__,,__,,__,,_,__,,_,__,,__,,___,_,__,,_,__,                *
  15  *    /   / /  //  //  //  // /   / /  //  //   / /  // /  /|,_,             *
  16  *   /   / /  //  //  //  // /   / /  //  //   / /  // /  / / /\             *
  17  *  |~~~|~|~~~|~~~|~~~|~~~|~|~~~|~|~~~|~~~|~~~|~|~~~|~|~~~|/_/  \            *
  18  *  | G |C| P | = | L | P |=| = |C| = | = | = |=| = |=| C |\  \ /\           *
  19  *  | R |l| o | = | e | l |=| = |a| = | = | = |=| = |=| L | \# \ /\          *
  20  *  | A |a| l | = | t | u |=| = |n| = | = | = |=| = |=| o | |\# \  \         *
  21  *  | P |n| l | = | s | t |=| = |d| = | = | = | |   |=| o | | \# \  \        *
  22  *  | H | | y |   | e | o | | = |l|   |   | = | |   | | G | |  \  \  \       *
  23  *  | I | |   |   | e |   | |   | |   |   |   | |   | |   | |   \  \  \      *
  24  *  | T | |   |   |   |   | |   | |   |   |   | |   | |   | |    \  \  \     *
  25  *  | E | |   |   |   |   | |   | |   |   |   | |   | |   | |     \  \  \    *
  26  *  | * |*| * | * | * | * |*| * |*| * | * | * |*| * |*| * | /      \* \  \   *
  27  *  | O |p| e | n | S | c |o| p |-| L | i | b |r| a |r| y |/        \  \ /   *
  28  *  '---'-'---'---'---'---'-'---'-'---'---'---'-'---'-'---'          '--'    *
  29  *                                                                           *
  30  * Copyright (C) 2008 University Paris-Sud 11 and INRIA                      *
  31  *                                                                           *
  32  * (3-clause BSD license)                                                    *
  33  * Redistribution and use in source  and binary forms, with or without       *
  34  * modification, are permitted provided that the following conditions        *
  35  * are met:                                                                  *
  36  *                                                                           *
  37  * 1. Redistributions of source code must retain the above copyright notice, *
  38  *    this list of conditions and the following disclaimer.                  *
  39  * 2. Redistributions in binary form must reproduce the above copyright      *
  40  *    notice, this list of conditions and the following disclaimer in the    *
  41  *    documentation and/or other materials provided with the distribution.   *
  42  * 3. The name of the author may not be used to endorse or promote products  *
  43  *    derived from this software without specific prior written permission.  *
  44  *                                                                           *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      *
  46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES *
  47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   *
  48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          *
  49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  *
  50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
  51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     *
  52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       *
  53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  *
  54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         *
  55  *                                                                           *
  56  * OpenScop Library, a library to manipulate OpenScop formats and data       *
  57  * structures. Written by:                                                   *
  58  * Cedric Bastoul     <Cedric.Bastoul@u-psud.fr> and                         *
  59  * Louis-Noel Pouchet <Louis-Noel.pouchet@inria.fr>                          *
  60  *                                                                           *
  61  *****************************************************************************/
  62
  63
  64 #ifndef OSL_IRREGULAR_H
  65 # define OSL_IRREGULAR_H
  66
  67 # include <stdio.h>
  68 # include <osl/macros.h>
  69 # include <osl/strings.h>
  70 # include <osl/interface.h>
  71
  72 # if defined(__cplusplus)
  73 extern "C"
  74   {
  75 # endif
  76
  77
  78 # define OSL_URI_IRREGULAR        "irregular"
  79 # define OSL_TAG_IRREGULAR_START  "<"  OSL_URI_IRREGULAR ">"
  80 # define OSL_TAG_IRREGULAR_STOP   "</" OSL_URI_IRREGULAR ">"
  81
  82
  83 /**
  84  * The osl_irregular_t structure stores an irregular extension to the core
  85  * OpenScop representation. It contains a list of predicates (in their textual
  86  * representation), and for each statement, its list of associated predicates.
  87  * The list of predicates contains both control and exit predicates (see
  88  * Benabderrhamane et al.'s paper at CC'2010), control predicates are listed
  89  * first, then come exit predicates.
  90  */
  91 struct osl_irregular {
  92   // List of predicates (textual representation).
  93   int nb_control;      /**< Number of control predicates in the SCoP. */
  94   int nb_exit;         /**< Number of exit predicates in the SCoP. */
  95   int * nb_iterators;  /**< nb_iterators[i]: #iterators for ith predicate. */
  96   char *** iterators;  /**< iterators[i]: array of (nb_control + nb_exit)
  97                             arrays of nb_iterators[i] strings. Each element
  98                             corresponds to the list of original iterators
  99                             for the ith predicate. */
 100   char ** body;        /**< body[i]: original source code of ith predicate. */
 101
 102   // List of associated predicates for each statement.
 103   int nb_statements;   /**< Number of statements in the SCoP. */
 104   int * nb_predicates; /**< nb_predicates[i]: #predicates for ith statement. */
 105   int ** predicates;   /**< predicates[i]: array of nb_predicates[i] predicates
 106                             corresponding to the list of predicates associated
 107                             to the ith statement. */
 108 };
 109 typedef struct osl_irregular   osl_irregular_t;
 110 typedef struct osl_irregular * osl_irregular_p;
 111
 112
 113 /*+***************************************************************************
 114  *                          Structure display function                       *
 115  *****************************************************************************/
 116 void            osl_irregular_idump(FILE *, osl_irregular_p, int);
 117 void            osl_irregular_dump(FILE *, osl_irregular_p);
 118 char *          osl_irregular_sprint(osl_irregular_p);
 119
 120
 121 /*****************************************************************************
 122  *                               Reading function                            *
 123  *****************************************************************************/
 124 osl_irregular_p osl_irregular_sread(char **);
 125
 126
 127 /*+***************************************************************************
 128  *                    Memory allocation/deallocation function                *
 129  *****************************************************************************/
 130 osl_irregular_p osl_irregular_malloc();
 131 void            osl_irregular_free(osl_irregular_p);
 132
 133
 134 /*+***************************************************************************
 135  *                            Processing functions                           *
 136  *****************************************************************************/
 137 osl_irregular_p osl_irregular_clone(osl_irregular_p);
 138 int             osl_irregular_equal(osl_irregular_p, osl_irregular_p);
 139 osl_irregular_p osl_irregular_add_control(osl_irregular_p, char**, int, char*);
 140 osl_irregular_p osl_irregular_add_exit(osl_irregular_p, char**, int, char*);
 141 osl_irregular_p osl_irregular_add_predicates(osl_irregular_p, int*, int);
 142 osl_interface_p osl_irregular_interface();
 143
 144
 145 # if defined(__cplusplus)
 146   }
 147 # endif
 148
 149 #endif /* define OSL_IRREGULAR_H */