ctrump/analyzer/deptest.h

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/* -*- coding:utf-8 -*- 
 Copyright (c) 2009, Fixstars Corp.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification, 
 are permitted provided that the following conditions are met:
 
   * Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.
 
   * Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.
 
   * Neither the name of Fixstars Corporation nor the names of its contributors
     may be used to endorse or promote products derived from this software
     without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/

#ifndef CTRUMP_ANALYZER_DEPTEST_H
#define CTRUMP_ANALYZER_DEPTEST_H

#include "ctrump/analyzer/var.h"
#include "ctrump/ast/expr-code.h"
#include "ctrump/common/mempool.h"
#include <limits.h>


#ifdef __cplusplus
extern "C" {
#endif

enum ctrump_loop_dependence_analyze_error_code {
    CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_MULTIPLE_INDEX, 
    CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_WEAK_SUBSCRIPT, 
    CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_MULTIPLE_LEVEL, 
    CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_COMPLICATED_SUBSCRIPT, 
    CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_COMPLICATED_INNER_LOOP 
};

struct ctrump_loop_dependence_have_multiple_index {
    struct ctrump_loop_memory_access *access; 
};

struct ctrump_loop_dependence_have_multiple_level {
    struct ctrump_loop_memory_access *access0; 
    struct ctrump_loop_memory_access *access1; 
};

struct ctrump_loop_dependence_have_weak_subscript {
    struct ctrump_loop_subscript *sub0;
    struct ctrump_loop_subscript *sub1;
    struct ctrump_loop_memory_access *access0; 
    struct ctrump_loop_memory_access *access1; 
};


struct ctrump_loop_dependence_have_complicated_subscript {
    int sub_index;
    struct ctrump_loop_subscript *sub0;
    struct ctrump_loop_subscript *sub1;
    struct ctrump_loop_memory_access *access0;
    struct ctrump_loop_memory_access *access1;
};

struct ctrump_loop_dependence_analyze_error {
    enum ctrump_loop_dependence_analyze_error_code code;
    union {
        struct ctrump_loop_dependence_have_multiple_index have_miv; /* case CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_MULTIPLE_INDEX */
        struct ctrump_loop_dependence_have_weak_subscript have_weak; /* case CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_WEAK_SUBSCRIPT */
        struct ctrump_loop_dependence_have_multiple_level have_multi_level; /* case CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_MULTIPLE_LEVEL */
        struct ctrump_loop_dependence_have_complicated_subscript have_complicated_subscript; /* case CTRUMP_LOOP_DEPENDENCE_ANALYZE_HAVE_COMPLICATED_SUBSCRIPT */
    } u ;
};

enum ctrump_loop_depinfo_code {
    CTRUMP_LOOP_DEPINFO_ANALYZE_ERROR, 
    CTRUMP_LOOP_DEPINFO_HAVE_ERROR_INNER, 
    CTRUMP_LOOP_DEPINFO                   
};

struct ctrump_loop_dependence_analyze_error_list {
    int num_error;
    struct ctrump_loop_dependence_analyze_error *errors; /* vec [num_error] */
};

struct ctrump_loop_memory_access_pair {
    struct ctrump_loop_memory_access *store;
    struct ctrump_loop_memory_access *load;
};

enum ctrump_depend_distance_code {
    CTRUMP_DEPEND_DISTANCE_STRONG_SIV,    
    CTRUMP_DEPEND_DISTANCE_INVARIANT_ZIV, 
    CTRUMP_DEPEND_DISTANCE_MEMBER_NAME_ZIV, 
    CTRUMP_DEPEND_DISTANCE_CONSTANT_ZIV,  
};

struct ctrump_depend_distance_strong_siv {
    struct ctrump_loop_index index0; 
    struct ctrump_loop_index index1; 
    int distance;               
};

struct ctrump_depend_distance_invariant_ziv {
    struct ctrump_var *var;     
};

struct ctrump_depend_distance_member_name_ziv {
    const struct ctrump_symbol *member_name; 
};

struct ctrump_depend_distance {
    enum ctrump_depend_distance_code code; 
    union {
        struct ctrump_depend_distance_strong_siv strong_siv; /* case CTRUMP_DEPEND_DISTANCE_STRONG_SIV*/
        struct ctrump_depend_distance_invariant_ziv invariant; /* case CTRUMP_DEPEND_DISTANCE_INVARIANT_ZIV */
        struct ctrump_depend_distance_member_name_ziv member_name; /* case CTRUMP_DEPEND_DISTANCE_MEMBER_NAME_ZIV */
    } u;
};

struct ctrump_dependence_vector_set {
    struct ctrump_var *array_var; 
    int num_subscript;            
    int num_vector;               
    struct ctrump_loop_memory_access_pair *accesses; 
    struct ctrump_depend_distance *distance_vectors; 
};

struct ctrump_loop_dependence {
    int num_vec_set;                              
    struct ctrump_dependence_vector_set *vectors; /* vec [num_vec_set] */
};

struct ctrump_loop_depinfo {
    enum ctrump_loop_depinfo_code code; 
    union {
        struct ctrump_loop_dependence dep_vector; /* case CTRUMP_LOOP_DEPINFO */
        struct ctrump_loop_dependence_analyze_error_list error; /* case CTRUMP_LOOP_DEPINFO_ANALYZE_ERROR */
    } u ;
};

struct ctrump_loop_info ;

void ctrump_get_loop_depinfo(struct ctrump_loop_info *loop,
                             int *id,
                             struct ctrump_mempool *loop_alloc);

#ifdef __cplusplus
}
#endif
#endif

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