Coverage Report

Created: 2018-04-23 18:20

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/polly/lib/External/isl/isl_id.c
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Source (jump to first uncovered line)
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/*
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 * Copyright 2008-2009 Katholieke Universiteit Leuven
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 *
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 * Use of this software is governed by the MIT license
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 *
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 * Written by Sven Verdoolaege, K.U.Leuven, Departement
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 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
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 */
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10
#include <string.h>
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#include <isl_ctx_private.h>
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#include <isl_id_private.h>
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#undef BASE
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#define BASE id
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#include <isl_list_templ.c>
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/* A special, static isl_id to use as domains (and ranges)
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 * of sets and parameters domains.
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 * The user should never get a hold on this isl_id.
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 */
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isl_id isl_id_none = {
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  .ref = -1,
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  .ctx = NULL,
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  .name = "#none",
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  .user = NULL
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};
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isl_ctx *isl_id_get_ctx(__isl_keep isl_id *id)
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23.5k
{
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23.5k
  return id ? id->ctx : NULL;
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23.5k
}
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void *isl_id_get_user(__isl_keep isl_id *id)
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32.3k
{
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32.3k
  return id ? 
id->user32.3k
: NULL;
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32.3k
}
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const char *isl_id_get_name(__isl_keep isl_id *id)
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14.2k
{
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14.2k
  return id ? id->name : NULL;
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14.2k
}
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static __isl_give isl_id *id_alloc(isl_ctx *ctx, const char *name, void *user)
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73.9k
{
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73.9k
  const char *copy = name ? 
strdup(name)73.9k
: NULL;
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73.9k
  isl_id *id;
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73.9k
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73.9k
  if (name && 
!copy73.9k
)
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0
    return NULL;
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73.9k
  id = isl_calloc_type(ctx, struct isl_id);
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73.9k
  if (!id)
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0
    goto error;
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73.9k
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73.9k
  id->ctx = ctx;
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73.9k
  isl_ctx_ref(id->ctx);
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73.9k
  id->ref = 1;
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73.9k
  id->name = copy;
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73.9k
  id->user = user;
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73.9k
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73.9k
  id->hash = isl_hash_init();
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73.9k
  if (name)
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73.9k
    id->hash = isl_hash_string(id->hash, name);
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6
  else
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6
    id->hash = isl_hash_builtin(id->hash, user);
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73.9k
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73.9k
  return id;
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0
error:
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0
  free((char *)copy);
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0
  return NULL;
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73.9k
}
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uint32_t isl_id_get_hash(__isl_keep isl_id *id)
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1.04k
{
76
1.04k
  return id ? id->hash : 
00
;
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1.04k
}
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struct isl_name_and_user {
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  const char *name;
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  void *user;
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};
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static int isl_id_has_name_and_user(const void *entry, const void *val)
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251k
{
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251k
  isl_id *id = (isl_id *)entry;
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251k
  struct isl_name_and_user *nu = (struct isl_name_and_user *) val;
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251k
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251k
  if (id->user != nu->user)
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243k
    return 0;
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8.37k
  if (id->name == nu->name)
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8
    return 1;
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8.36k
  if (!id->name || !nu->name)
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0
    return 0;
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8.36k
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8.36k
  return !strcmp(id->name, nu->name);
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8.36k
}
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__isl_give isl_id *isl_id_alloc(isl_ctx *ctx, const char *name, void *user)
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82.3k
{
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82.3k
  struct isl_hash_table_entry *entry;
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82.3k
  uint32_t id_hash;
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82.3k
  struct isl_name_and_user nu = { name, user };
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82.3k
105
82.3k
  if (!ctx)
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0
    return NULL;
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82.3k
108
82.3k
  id_hash = isl_hash_init();
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82.3k
  if (name)
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82.3k
    id_hash = isl_hash_string(id_hash, name);
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14
  else
112
14
    id_hash = isl_hash_builtin(id_hash, user);
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82.3k
  entry = isl_hash_table_find(ctx, &ctx->id_table, id_hash,
114
82.3k
          isl_id_has_name_and_user, &nu, 1);
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82.3k
  if (!entry)
116
0
    return NULL;
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82.3k
  if (entry->data)
118
8.37k
    return isl_id_copy(entry->data);
119
73.9k
  entry->data = id_alloc(ctx, name, user);
120
73.9k
  if (!entry->data)
121
0
    ctx->id_table.n--;
122
73.9k
  return entry->data;
123
73.9k
}
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/* If the id has a negative refcount, then it is a static isl_id
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 * which should not be changed.
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 */
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__isl_give isl_id *isl_id_copy(isl_id *id)
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8.97M
{
130
8.97M
  if (!id)
131
14.9k
    return NULL;
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8.96M
133
8.96M
  if (id->ref < 0)
134
1.85M
    return id;
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7.10M
136
7.10M
  id->ref++;
137
7.10M
  return id;
138
7.10M
}
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/* Compare two isl_ids.
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 *
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 * The order is fairly arbitrary.  We do keep the comparison of
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 * the user pointers as a last resort since these pointer values
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 * may not be stable across different systems or even different runs.
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 */
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int isl_id_cmp(__isl_keep isl_id *id1, __isl_keep isl_id *id2)
147
4.75M
{
148
4.75M
  if (id1 == id2)
149
4.75M
    return 0;
150
0
  if (!id1)
151
0
    return -1;
152
0
  if (!id2)
153
0
    return 1;
154
0
  if (!id1->name != !id2->name)
155
0
    return !id1->name - !id2->name;
156
0
  if (id1->name) {
157
0
    int cmp = strcmp(id1->name, id2->name);
158
0
    if (cmp != 0)
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0
      return cmp;
160
0
  }
161
0
  if (id1->user < id2->user)
162
0
    return -1;
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0
  else
164
0
    return 1;
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0
}
166
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static int isl_id_eq(const void *entry, const void *name)
168
103k
{
169
103k
  return entry == name;
170
103k
}
171
172
uint32_t isl_hash_id(uint32_t hash, __isl_keep isl_id *id)
173
2.38M
{
174
2.38M
  if (id)
175
2.38M
    
isl_hash_hash1.74M
(hash, id->hash);
176
2.38M
177
2.38M
  return hash;
178
2.38M
}
179
180
/* Replace the free_user callback by "free_user".
181
 */
182
__isl_give isl_id *isl_id_set_free_user(__isl_take isl_id *id,
183
  void (*free_user)(void *user))
184
2.37k
{
185
2.37k
  if (!id)
186
0
    return NULL;
187
2.37k
188
2.37k
  id->free_user = free_user;
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2.37k
190
2.37k
  return id;
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2.37k
}
192
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/* If the id has a negative refcount, then it is a static isl_id
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 * and should not be freed.
195
 */
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__isl_null isl_id *isl_id_free(__isl_take isl_id *id)
197
24.6M
{
198
24.6M
  struct isl_hash_table_entry *entry;
199
24.6M
200
24.6M
  if (!id)
201
13.7M
    return NULL;
202
10.9M
203
10.9M
  if (id->ref < 0)
204
3.74M
    return NULL;
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7.18M
206
7.18M
  if (--id->ref > 0)
207
7.10M
    return NULL;
208
73.8k
209
73.8k
  entry = isl_hash_table_find(id->ctx, &id->ctx->id_table, id->hash,
210
73.8k
          isl_id_eq, id, 0);
211
73.8k
  if (!entry)
212
73.8k
    
isl_die0
(id->ctx, isl_error_unknown,
213
73.8k
      "unable to find id", (void)0);
214
73.8k
  else
215
73.8k
    isl_hash_table_remove(id->ctx, &id->ctx->id_table, entry);
216
73.8k
217
73.8k
  if (id->free_user)
218
2.37k
    id->free_user(id->user);
219
73.8k
220
73.8k
  free((char *)id->name);
221
73.8k
  isl_ctx_deref(id->ctx);
222
73.8k
  free(id);
223
73.8k
224
73.8k
  return NULL;
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73.8k
}
226
227
__isl_give isl_printer *isl_printer_print_id(__isl_take isl_printer *p,
228
  __isl_keep isl_id *id)
229
14
{
230
14
  if (!id)
231
0
    goto error;
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14
233
14
  if (id->name)
234
14
    p = isl_printer_print_str(p, id->name);
235
14
  if (id->user) {
236
14
    char buffer[50];
237
14
    snprintf(buffer, sizeof(buffer), "@%p", id->user);
238
14
    p = isl_printer_print_str(p, buffer);
239
14
  }
240
14
  return p;
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0
error:
242
0
  isl_printer_free(p);
243
0
  return NULL;
244
14
}