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/* Check that execution counts and branch probabilities for various C
   constructs are reported correctly by gcov. */
 
/* { dg-options "-fprofile-arcs -ftest-coverage" } */
/* { dg-do run { target native } } */
 
extern "C" void abort (void);
 
int do_something (int i)
{
  return i;
}
 
/* Check static inline functions. */
 
int unref_val;
 
static inline int
unreferenced (int i, int j)
{
  return i - j;
}
 
static inline int
uncalled (int i, int j)
{
  return i * j;
}
 
static inline int
called (int i, int j)
{
    return i + j;                       /* count(1) */
}
 
void
call_unref ()
{
  if (unref_val)                        /* count(1) */
    unref_val = uncalled (1, 2);
  unref_val = called (unref_val, 4);    /* count(1) */
}
 
 
/* Check for loops. */
 
int for_val1;
int for_val2;
int for_temp;
 
int
test_for1 (int n)
{
  int i;
  for_temp = 1;                         /* count(3) */
  for (i = 0; i < n; i++)               /* branch(25) */
                                        /* branch(end) */
    for_temp++;                         /* count(9) */
  return for_temp;                      /* count(3) */
}
 
int
test_for2 (int m, int n, int o)
{
  int i, j, k;
  for_temp = 1;                         /* count(6) */
  for (i = 0; i < n; i++)               /* branch(30) */
                                        /* branch(end) */
    for (j = 0; j < m; j++)             /* branch(32) */
                                        /* branch(end) */
      for (k = 0; k < o; k++)           /* branch(27) */
                                        /* branch(end) */
        for_temp++;                     /* count(81) */
  return for_temp;                      /* count(6) */
}
 
int
call_for ()
{
  for_val1 += test_for1 (0);
  for_val1 += test_for1 (2);
  for_val1 += test_for1 (7);
 
  for_val2 += test_for2 (0, 0, 0);
  for_val2 += test_for2 (1, 0, 0);
  for_val2 += test_for2 (1, 3, 0);
  for_val2 += test_for2 (1, 3, 1);
  for_val2 += test_for2 (3, 1, 5);
  for_val2 += test_for2 (3, 7, 3);
}
 
/* Check the use of goto. */
 
int goto_val;
 
int
test_goto1 (int f)
{
                                        /* branch(50) */
  if (f)                                /* count(2) */
                                        /* branch(end) */
    goto lab1;                          /* count(1) */
  return 1;                             /* count(1) */
lab1:
  return 2;                             /* count(1) */
}
 
int
test_goto2 (int f)
{
  int i;
                                        /* branch(7) */
  for (i = 0; i < 10; i++)              /* count(15) */
                                        /* branch(end) */
    if (i == f) goto lab2;              /* count(14) */
  return 4;                             /* count(1) */
lab2:
  return 8;                             /* count(1) */
}
 
void
call_goto ()
{
  goto_val += test_goto1 (0);
  goto_val += test_goto1 (1);
  goto_val += test_goto2 (3);
  goto_val += test_goto2 (30);
}
 
/* Check nested if-then-else statements. */
 
int ifelse_val1;
int ifelse_val2;
int ifelse_val3;
 
int
test_ifelse1 (int i, int j)
{
  int result = 0;
                                        /* branch(40) */
  if (i)                                /* count(5) */
                                        /* branch(0) */
    if (j)                              /* count(3) */
                                        /* branch(end) */
      result = do_something (4);        /* count(3) */
    else
      result = do_something (1024);
  else
                                        /* branch(50) */
    if (j)                              /* count(2) */
                                        /* branch(end) */
      result = do_something (1);        /* count(1) */
    else
      result = do_something (2);        /* count(1) */
                                        /* branch(80) */
  if (i > j)                            /* count(5) */
                                        /* branch(end) */
    result = do_something (result*2);   /* count(1) */
                                        /* branch(80) */
  if (i > 10)                           /* count(5) */
                                        /* branch(100) */
    if (j > 10)                         /* count(1) */
                                        /* branch(end) */
      result = do_something (result*4); /* count(1) */
  return result;                        /* count(5) */
}
 
int
test_ifelse2 (int i)
{
  int result = 0;
                                        /* branch(83) */
  if (!i)                               /* count(6) */
                                        /* branch(end) */
    result = do_something (1);          /* count(1) */
                                        /* branch(100) */
  if (i == 1)                           /* count(6) */
                                        /* branch(end) */
    result = do_something (1024);
                                        /* branch(50) */
  if (i == 2)                           /* count(6) */
                                        /* branch(end) */
    result = do_something (2);          /* count(3) */
                                        /* branch(67) */
  if (i == 3)                           /* count(6) */
                                        /* branch(end) */
    return do_something (8);            /* count(2) */
                                        /* branch(100) */
  if (i == 4)                           /* count(4) */
                                        /* branch(end) */
    return do_something (2048);
  return result;                        /* count(4) */
}
 
int
test_ifelse3 (int i, int j)
{
  int result = 1;
                                        /* branch(27 50 75) */
  if (i > 10 && j > i && j < 20)        /* count(11) */
                                        /* branch(end) */
    result = do_something (16);         /* count(1) */
                                        /* branch(55) */
  if (i > 20)                           /* count(11) */
                                        /* branch(60) */
    if (j > i)                          /* count(5) */
                                        /* branch(50) */
      if (j < 30)                       /* count(2) */
                                        /* branch(end) */
        result = do_something (32);     /* count(1) */
                                        /* branch(9 10 89) */
  if (i == 3 || j == 47 || i == j)      /* count(11) */
                                        /* branch(end) */
    result = do_something (64);         /* count(3) */
  return result;                        /* count(11) */
}
 
void
call_ifelse ()
{
  ifelse_val1 += test_ifelse1 (0, 2);
  ifelse_val1 += test_ifelse1 (0, 0);
  ifelse_val1 += test_ifelse1 (1, 2);
  ifelse_val1 += test_ifelse1 (10, 2);
  ifelse_val1 += test_ifelse1 (11, 11);
 
  ifelse_val2 += test_ifelse2 (0);
  ifelse_val2 += test_ifelse2 (2);
  ifelse_val2 += test_ifelse2 (2);
  ifelse_val2 += test_ifelse2 (2);
  ifelse_val2 += test_ifelse2 (3);
  ifelse_val2 += test_ifelse2 (3);
 
  ifelse_val3 += test_ifelse3 (11, 19);
  ifelse_val3 += test_ifelse3 (25, 27);
  ifelse_val3 += test_ifelse3 (11, 22);
  ifelse_val3 += test_ifelse3 (11, 10);
  ifelse_val3 += test_ifelse3 (21, 32);
  ifelse_val3 += test_ifelse3 (21, 20);
  ifelse_val3 += test_ifelse3 (1, 2);
  ifelse_val3 += test_ifelse3 (32, 31);
  ifelse_val3 += test_ifelse3 (3, 0);
  ifelse_val3 += test_ifelse3 (0, 47);
  ifelse_val3 += test_ifelse3 (65, 65);
}
 
/* Check switch statements. */
 
int switch_val, switch_m;
 
int
test_switch (int i, int j)
{
  int result = 0;                       /* count(5) */
 
                                        /* branch(20 0 60 20) */
  switch (i)                            /* count(5) */
                                        /* branch(end) */
    {
      case 1:
        result = do_something (2);      /* count(1) */
        break;
      case 2:
        result = do_something (1024);
        break;
      case 3:
      case 4:
                                        /* branch(67) */
        if (j == 2)                     /* count(3) */
                                        /* branch(end) */
          return do_something (4);      /* count(1) */
        result = do_something (8);      /* count(2) */
        break;
      default:
        result = do_something (32);     /* count(1) */
        switch_m++;                     /* count(1) */
        break;
    }
  return result;                        /* count(4) */
}
 
void
call_switch ()
{
  switch_val += test_switch (1, 0);
  switch_val += test_switch (3, 0);
  switch_val += test_switch (3, 2);
  switch_val += test_switch (4, 0);
  switch_val += test_switch (16, 0);
  switch_val += switch_m;
}
 
int
main()
{
  call_for ();
  call_goto ();
  call_ifelse ();
  call_switch ();
  call_unref ();
  if ((for_val1 != 12)
      || (for_val2 != 87)
      || (goto_val != 15)
      || (ifelse_val1 != 31)
      || (ifelse_val2 != 23)
      || (ifelse_val3 != 246)
      || (switch_val != 55)
      || (unref_val != 4))
    abort ();
  return 0;
}
 
/* { dg-final { run-gcov branches { -b gcov-1.C } } } */

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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [gcov/] [gcov-1.C] - Blame information for rev 825

Line No.	Rev	Author	Line
1	149	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) */`
57			`/* branch(end) */`
58			`for_temp++; /* count(9) */`
59			`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) */`
70			`/* 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 (result2); / 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 (result4); / 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 } } } */`