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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [gcov/] [gcov-1.C] - Blame information for rev 826

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Line No. Rev Author Line
1 301 jeremybenn
/* Check that execution counts and branch probabilities for various C
2
   constructs are reported correctly by gcov. */
3
 
4
/* { dg-options "-fprofile-arcs -ftest-coverage" } */
5
/* { dg-do run { target native } } */
6
 
7
extern "C" void abort (void);
8
 
9
int do_something (int i)
10
{
11
  return i;
12
}
13
 
14
/* Check static inline functions. */
15
 
16
int unref_val;
17
 
18
static inline int
19
unreferenced (int i, int j)
20
{
21
  return i - j;
22
}
23
 
24
static inline int
25
uncalled (int i, int j)
26
{
27
  return i * j;
28
}
29
 
30
static inline int
31
called (int i, int j)
32
{
33
    return i + j;                       /* count(1) */
34
}
35
 
36
void
37
call_unref ()
38
{
39
  if (unref_val)                        /* count(1) */
40
    unref_val = uncalled (1, 2);
41
  unref_val = called (unref_val, 4);    /* count(1) */
42
}
43
 
44
 
45
/* Check for loops. */
46
 
47
int for_val1;
48
int for_val2;
49
int for_temp;
50
 
51
int
52
test_for1 (int n)
53
{
54
  int i;
55
  for_temp = 1;                         /* count(3) */
56
  for (i = 0; i < n; i++)               /* branch(25) */
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                                        /* branch(end) */
58
    for_temp++;                         /* count(9) */
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  return for_temp;                      /* count(3) */
60
}
61
 
62
int
63
test_for2 (int m, int n, int o)
64
{
65
  int i, j, k;
66
  for_temp = 1;                         /* count(6) */
67
  for (i = 0; i < n; i++)               /* branch(30) */
68
                                        /* branch(end) */
69
    for (j = 0; j < m; j++)             /* branch(32) */
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                                        /* branch(end) */
71
      for (k = 0; k < o; k++)           /* branch(27) */
72
                                        /* branch(end) */
73
        for_temp++;                     /* count(81) */
74
  return for_temp;                      /* count(6) */
75
}
76
 
77
int
78
call_for ()
79
{
80
  for_val1 += test_for1 (0);
81
  for_val1 += test_for1 (2);
82
  for_val1 += test_for1 (7);
83
 
84
  for_val2 += test_for2 (0, 0, 0);
85
  for_val2 += test_for2 (1, 0, 0);
86
  for_val2 += test_for2 (1, 3, 0);
87
  for_val2 += test_for2 (1, 3, 1);
88
  for_val2 += test_for2 (3, 1, 5);
89
  for_val2 += test_for2 (3, 7, 3);
90
}
91
 
92
/* Check the use of goto. */
93
 
94
int goto_val;
95
 
96
int
97
test_goto1 (int f)
98
{
99
                                        /* branch(50) */
100
  if (f)                                /* count(2) */
101
                                        /* branch(end) */
102
    goto lab1;                          /* count(1) */
103
  return 1;                             /* count(1) */
104
lab1:
105
  return 2;                             /* count(1) */
106
}
107
 
108
int
109
test_goto2 (int f)
110
{
111
  int i;
112
                                        /* branch(7) */
113
  for (i = 0; i < 10; i++)              /* count(15) */
114
                                        /* branch(end) */
115
    if (i == f) goto lab2;              /* count(14) */
116
  return 4;                             /* count(1) */
117
lab2:
118
  return 8;                             /* count(1) */
119
}
120
 
121
void
122
call_goto ()
123
{
124
  goto_val += test_goto1 (0);
125
  goto_val += test_goto1 (1);
126
  goto_val += test_goto2 (3);
127
  goto_val += test_goto2 (30);
128
}
129
 
130
/* Check nested if-then-else statements. */
131
 
132
int ifelse_val1;
133
int ifelse_val2;
134
int ifelse_val3;
135
 
136
int
137
test_ifelse1 (int i, int j)
138
{
139
  int result = 0;
140
                                        /* branch(40) */
141
  if (i)                                /* count(5) */
142
                                        /* branch(0) */
143
    if (j)                              /* count(3) */
144
                                        /* branch(end) */
145
      result = do_something (4);        /* count(3) */
146
    else
147
      result = do_something (1024);
148
  else
149
                                        /* branch(50) */
150
    if (j)                              /* count(2) */
151
                                        /* branch(end) */
152
      result = do_something (1);        /* count(1) */
153
    else
154
      result = do_something (2);        /* count(1) */
155
                                        /* branch(80) */
156
  if (i > j)                            /* count(5) */
157
                                        /* branch(end) */
158
    result = do_something (result*2);   /* count(1) */
159
                                        /* branch(80) */
160
  if (i > 10)                           /* count(5) */
161
                                        /* branch(100) */
162
    if (j > 10)                         /* count(1) */
163
                                        /* branch(end) */
164
      result = do_something (result*4); /* count(1) */
165
  return result;                        /* count(5) */
166
}
167
 
168
int
169
test_ifelse2 (int i)
170
{
171
  int result = 0;
172
                                        /* branch(83) */
173
  if (!i)                               /* count(6) */
174
                                        /* branch(end) */
175
    result = do_something (1);          /* count(1) */
176
                                        /* branch(100) */
177
  if (i == 1)                           /* count(6) */
178
                                        /* branch(end) */
179
    result = do_something (1024);
180
                                        /* branch(50) */
181
  if (i == 2)                           /* count(6) */
182
                                        /* branch(end) */
183
    result = do_something (2);          /* count(3) */
184
                                        /* branch(67) */
185
  if (i == 3)                           /* count(6) */
186
                                        /* branch(end) */
187
    return do_something (8);            /* count(2) */
188
                                        /* branch(100) */
189
  if (i == 4)                           /* count(4) */
190
                                        /* branch(end) */
191
    return do_something (2048);
192
  return result;                        /* count(4) */
193
}
194
 
195
int
196
test_ifelse3 (int i, int j)
197
{
198
  int result = 1;
199
                                        /* branch(27 50 75) */
200
  if (i > 10 && j > i && j < 20)        /* count(11) */
201
                                        /* branch(end) */
202
    result = do_something (16);         /* count(1) */
203
                                        /* branch(55) */
204
  if (i > 20)                           /* count(11) */
205
                                        /* branch(60) */
206
    if (j > i)                          /* count(5) */
207
                                        /* branch(50) */
208
      if (j < 30)                       /* count(2) */
209
                                        /* branch(end) */
210
        result = do_something (32);     /* count(1) */
211
                                        /* branch(9 10 89) */
212
  if (i == 3 || j == 47 || i == j)      /* count(11) */
213
                                        /* branch(end) */
214
    result = do_something (64);         /* count(3) */
215
  return result;                        /* count(11) */
216
}
217
 
218
void
219
call_ifelse ()
220
{
221
  ifelse_val1 += test_ifelse1 (0, 2);
222
  ifelse_val1 += test_ifelse1 (0, 0);
223
  ifelse_val1 += test_ifelse1 (1, 2);
224
  ifelse_val1 += test_ifelse1 (10, 2);
225
  ifelse_val1 += test_ifelse1 (11, 11);
226
 
227
  ifelse_val2 += test_ifelse2 (0);
228
  ifelse_val2 += test_ifelse2 (2);
229
  ifelse_val2 += test_ifelse2 (2);
230
  ifelse_val2 += test_ifelse2 (2);
231
  ifelse_val2 += test_ifelse2 (3);
232
  ifelse_val2 += test_ifelse2 (3);
233
 
234
  ifelse_val3 += test_ifelse3 (11, 19);
235
  ifelse_val3 += test_ifelse3 (25, 27);
236
  ifelse_val3 += test_ifelse3 (11, 22);
237
  ifelse_val3 += test_ifelse3 (11, 10);
238
  ifelse_val3 += test_ifelse3 (21, 32);
239
  ifelse_val3 += test_ifelse3 (21, 20);
240
  ifelse_val3 += test_ifelse3 (1, 2);
241
  ifelse_val3 += test_ifelse3 (32, 31);
242
  ifelse_val3 += test_ifelse3 (3, 0);
243
  ifelse_val3 += test_ifelse3 (0, 47);
244
  ifelse_val3 += test_ifelse3 (65, 65);
245
}
246
 
247
/* Check switch statements. */
248
 
249
int switch_val, switch_m;
250
 
251
int
252
test_switch (int i, int j)
253
{
254
  int result = 0;                       /* count(5) */
255
 
256
                                        /* branch(20 0 60 20) */
257
  switch (i)                            /* count(5) */
258
                                        /* branch(end) */
259
    {
260
      case 1:
261
        result = do_something (2);      /* count(1) */
262
        break;
263
      case 2:
264
        result = do_something (1024);
265
        break;
266
      case 3:
267
      case 4:
268
                                        /* branch(67) */
269
        if (j == 2)                     /* count(3) */
270
                                        /* branch(end) */
271
          return do_something (4);      /* count(1) */
272
        result = do_something (8);      /* count(2) */
273
        break;
274
      default:
275
        result = do_something (32);     /* count(1) */
276
        switch_m++;                     /* count(1) */
277
        break;
278
    }
279
  return result;                        /* count(4) */
280
}
281
 
282
void
283
call_switch ()
284
{
285
  switch_val += test_switch (1, 0);
286
  switch_val += test_switch (3, 0);
287
  switch_val += test_switch (3, 2);
288
  switch_val += test_switch (4, 0);
289
  switch_val += test_switch (16, 0);
290
  switch_val += switch_m;
291
}
292
 
293
int
294
main()
295
{
296
  call_for ();
297
  call_goto ();
298
  call_ifelse ();
299
  call_switch ();
300
  call_unref ();
301
  if ((for_val1 != 12)
302
      || (for_val2 != 87)
303
      || (goto_val != 15)
304
      || (ifelse_val1 != 31)
305
      || (ifelse_val2 != 23)
306
      || (ifelse_val3 != 246)
307
      || (switch_val != 55)
308
      || (unref_val != 4))
309
    abort ();
310
  return 0;
311
}
312
 
313
/* { dg-final { run-gcov branches { -b gcov-1.C } } } */

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