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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.misc-tests/] [gcov-4b.c] - Blame information for rev 304

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Line No. Rev Author Line
1 299 jeremybenn 
/* Check that execution counts for various C constructs are reported
2 
   correctly by gcov. */
3 
 
4 
/* { dg-options "-fprofile-arcs -ftest-coverage" } */
5 
/* { dg-do run { target native } } */
6 
 
7 
extern void abort (void);
8 
 
9 
int do_something (int i)
10 
{
11 
  return i;
12 
}
13 
 
14 
/* Check for loops. */
15 
 
16 
int for_val1;
17 
int for_val2;
18 
int for_temp;
19 
 
20 
int
21 
test_for1 (int n)
22 
{
23 
  int i;
24 
  for_temp = 1;
25 
  for (i = 0; i < n; i++)                /* branch(25) */
26 
                                        /* branch(end) */
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    for_temp++;
28 
  return for_temp;
29 
}
30 
 
31 
int
32 
test_for2 (int m, int n, int o)
33 
{
34 
  int i, j, k;
35 
  for_temp = 1;
36 
  for (i = 0; i < n; i++)                /* branch(30) */
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                                        /* branch(end) */
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    for (j = 0; j < m; j++)              /* branch(32) */
39 
                                        /* branch(end) */
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      for (k = 0; k < o; k++)            /* branch(27) */
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                                        /* branch(end) */
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        for_temp++;
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  return for_temp;
44 
}
45 
 
46 
void
47 
call_for ()
48 
{
49 
  for_val1 += test_for1 (0);
50 
  for_val1 += test_for1 (2);
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  for_val1 += test_for1 (7);
52 
 
53 
  for_val2 += test_for2 (0, 0, 0);
54 
  for_val2 += test_for2 (1, 0, 0);
55 
  for_val2 += test_for2 (1, 3, 0);
56 
  for_val2 += test_for2 (1, 3, 1);
57 
  for_val2 += test_for2 (3, 1, 5);
58 
  for_val2 += test_for2 (3, 7, 3);
59 
}
60 
 
61 
/* Check the use of goto. */
62 
 
63 
int goto_val;
64 
 
65 
int
66 
test_goto1 (int f)
67 
{
68 
  if (f)                                /* branch(50) */
69 
                                        /* branch(end) */
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    goto lab1;
71 
  return 1;
72 
lab1:
73 
  return 2;
74 
}
75 
 
76 
int
77 
test_goto2 (int f)
78 
{
79 
  int i;
80 
  for (i = 0; i < 10; i++)               /* branch(7) */
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                                        /* branch(end) */
82 
    if (i == f) goto lab2;
83 
  return 4;
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lab2:
85 
  return 8;
86 
}
87 
 
88 
void
89 
call_goto ()
90 
{
91 
  goto_val += test_goto1 (0);
92 
  goto_val += test_goto1 (1);
93 
  goto_val += test_goto2 (3);
94 
  goto_val += test_goto2 (30);
95 
}
96 
 
97 
/* Check nested if-then-else statements. */
98 
 
99 
int ifelse_val1;
100 
int ifelse_val2;
101 
int ifelse_val3;
102 
 
103 
int
104 
test_ifelse1 (int i, int j)
105 
{
106 
  int result = 0;
107 
  if (i)                                /* branch(40) */
108 
                                        /* branch(end) */
109 
    if (j)                              /* branch(0) */
110 
                                        /* branch(end) */
111 
      result = do_something (4);
112 
    else
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      result = do_something (1024);
114 
  else
115 
    if (j)                              /* branch(50) */
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                                        /* branch(end) */
117 
      result = do_something (1);
118 
    else
119 
      result = do_something (2);
120 
  if (i > j)                            /* branch(80) */
121 
                                        /* branch(end) */
122 
    result = do_something (result*2);
123 
  if (i > 10)                           /* branch(80) */
124 
                                        /* branch(end) */
125 
    if (j > 10)                         /* branch(100) */
126 
      result = do_something (result*4);
127 
  return result;
128 
}
129 
 
130 
int
131 
test_ifelse2 (int i)
132 
{
133 
  int result = 0;
134 
  if (!i)                               /* branch(83) */
135 
                                        /* branch(end) */
136 
    result = do_something (1);
137 
  if (i == 1)                           /* branch(100) */
138 
                                        /* branch(end) */
139 
    result = do_something (1024);
140 
  if (i == 2)                           /* branch(50) */
141 
                                        /* branch(end) */
142 
    result = do_something (2);
143 
  if (i == 3)                           /* branch(67) */
144 
                                        /* branch(end) */
145 
    return do_something (8);
146 
  if (i == 4)                           /* branch(100) */
147 
                                        /* branch(end) */
148 
    return do_something (2048);
149 
  return result;
150 
}
151 
 
152 
int
153 
test_ifelse3 (int i, int j)
154 
{
155 
  int result = 1;
156 
  if (i > 10 && j > i && j < 20)        /* branch(27 50 75) */
157 
                                        /* branch(end) */
158 
    result = do_something (16);
159 
  if (i > 20)                           /* branch(55) */
160 
                                        /* branch(end) */
161 
    if (j > i)                          /* branch(60) */
162 
                                        /* branch(end) */
163 
      if (j < 30)                       /* branch(50) */
164 
                                        /* branch(end) */
165 
        result = do_something (32);
166 
  if (i == 3 || j == 47 || i == j)      /* branch(9 10 89) */
167 
                                        /* branch(end) */
168 
    result = do_something (64);
169 
  return result;
170 
}
171 
 
172 
void
173 
call_ifelse ()
174 
{
175 
  ifelse_val1 += test_ifelse1 (0, 2);
176 
  ifelse_val1 += test_ifelse1 (0, 0);
177 
  ifelse_val1 += test_ifelse1 (1, 2);
178 
  ifelse_val1 += test_ifelse1 (10, 2);
179 
  ifelse_val1 += test_ifelse1 (11, 11);
180 
 
181 
  ifelse_val2 += test_ifelse2 (0);
182 
  ifelse_val2 += test_ifelse2 (2);
183 
  ifelse_val2 += test_ifelse2 (2);
184 
  ifelse_val2 += test_ifelse2 (2);
185 
  ifelse_val2 += test_ifelse2 (3);
186 
  ifelse_val2 += test_ifelse2 (3);
187 
 
188 
  ifelse_val3 += test_ifelse3 (11, 19);
189 
  ifelse_val3 += test_ifelse3 (25, 27);
190 
  ifelse_val3 += test_ifelse3 (11, 22);
191 
  ifelse_val3 += test_ifelse3 (11, 10);
192 
  ifelse_val3 += test_ifelse3 (21, 32);
193 
  ifelse_val3 += test_ifelse3 (21, 20);
194 
  ifelse_val3 += test_ifelse3 (1, 2);
195 
  ifelse_val3 += test_ifelse3 (32, 31);
196 
  ifelse_val3 += test_ifelse3 (3, 0);
197 
  ifelse_val3 += test_ifelse3 (0, 47);
198 
  ifelse_val3 += test_ifelse3 (65, 65);
199 
}
200 
 
201 
/* Check switch statements. */
202 
 
203 
int switch_val, switch_m;
204 
 
205 
int
206 
test_switch (int i, int j)
207 
{
208 
  int result = 0;
209 
 
210 
  switch (i)                            /* branch(20 0 60 20) */
211 
                                        /* branch(end) */
212 
    {
213 
      case 1:
214 
        result = do_something (2);
215 
        break;
216 
      case 2:
217 
        result = do_something (1024);
218 
        break;
219 
      case 3:
220 
      case 4:
221 
        if (j == 2)                     /* branch(67) */
222 
                                        /* branch(end) */
223 
          return do_something (4);
224 
        result = do_something (8);
225 
        break;
226 
      default:
227 
        result = do_something (32);
228 
        switch_m++;
229 
        break;
230 
    }
231 
  return result;
232 
}
233 
 
234 
void
235 
call_switch ()
236 
{
237 
  switch_val += test_switch (1, 0);
238 
  switch_val += test_switch (3, 0);
239 
  switch_val += test_switch (3, 2);
240 
  switch_val += test_switch (4, 0);
241 
  switch_val += test_switch (16, 0);
242 
  switch_val += switch_m;
243 
}
244 
 
245 
int
246 
main()
247 
{
248 
  call_for ();
249 
  call_goto ();
250 
  call_ifelse ();
251 
  call_switch ();
252 
  if ((for_val1 != 12)
253 
      || (for_val2 != 87)
254 
      || (goto_val != 15)
255 
      || (ifelse_val1 != 31)
256 
      || (ifelse_val2 != 23)
257 
      || (ifelse_val3 != 246)
258 
      || (switch_val != 55))
259 
    abort ();
260 
  return 0;
261 
}
262 
 
263 
/* { dg-final { run-gcov branches { -b gcov-4b.c } } } */

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