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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) */
}
void
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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