| /* Check that execution counts for various C constructs are reported |
| correctly by gcov. */ |
| |
| /* { dg-options "-fprofile-arcs -ftest-coverage" } */ |
| /* { dg-do run { target native } } */ |
| |
| 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++) |
| 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++) |
| for (j = 0; j < m; j++) |
| for (k = 0; k < o; k++) |
| 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) |
| { |
| if (f) /* count(2) */ |
| goto lab1; /* count(1) */ |
| return 1; /* count(1) */ |
| lab1: |
| return 2; /* count(1) */ |
| } |
| |
| int |
| test_goto2 (int f) |
| { |
| int i; |
| for (i = 0; i < 10; i++) /* count(15) */ |
| 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; |
| if (i) /* count(5) */ |
| if (j) /* count(3) */ |
| result = do_something (4); /* count(3) */ |
| else |
| result = do_something (1024); |
| else |
| if (j) /* count(2) */ |
| result = do_something (1); /* count(1) */ |
| else |
| result = do_something (2); /* count(1) */ |
| if (i > j) /* count(5) */ |
| result = do_something (result*2); /* count(1) */ |
| if (i > 10) /* count(5) */ |
| if (j > 10) /* count(1) */ |
| result = do_something (result*4); /* count(1) */ |
| return result; /* count(5) */ |
| } |
| |
| int |
| test_ifelse2 (int i) |
| { |
| int result = 0; |
| if (!i) /* count(6) */ |
| result = do_something (1); /* count(1) */ |
| if (i == 1) /* count(6) */ |
| result = do_something (1024); |
| if (i == 2) /* count(6) */ |
| result = do_something (2); /* count(3) */ |
| if (i == 3) /* count(6) */ |
| return do_something (8); /* count(2) */ |
| if (i == 4) /* count(4) */ |
| return do_something (2048); |
| return result; /* count(4) */ |
| } |
| |
| int |
| test_ifelse3 (int i, int j) |
| { |
| int result = 1; |
| if (i > 10 && j > i && j < 20) /* count(11) */ |
| result = do_something (16); /* count(1) */ |
| if (i > 20) /* count(11) */ |
| if (j > i) /* count(5) */ |
| if (j < 30) /* count(2) */ |
| result = do_something (32); /* count(1) */ |
| if (i == 3 || j == 47 || i == j) /* count(11) */ |
| 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) */ |
| |
| switch (i) /* count(5) */ |
| { |
| case 1: |
| result = do_something (2); /* count(1) */ |
| break; |
| case 2: |
| result = do_something (1024); |
| break; |
| case 3: |
| case 4: |
| if (j == 2) /* count(3) */ |
| 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 gcov-4.c } } */ |