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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.misc-tests/] [gcov-4b.c] - Rev 307
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/* Check that execution counts for various C constructs are reported correctly by gcov. */ /* { dg-options "-fprofile-arcs -ftest-coverage" } */ /* { dg-do run { target native } } */ extern void abort (void); int do_something (int i) { return i; } /* Check for loops. */ int for_val1; int for_val2; int for_temp; int test_for1 (int n) { int i; for_temp = 1; for (i = 0; i < n; i++) /* branch(25) */ /* branch(end) */ for_temp++; return for_temp; } int test_for2 (int m, int n, int o) { int i, j, k; for_temp = 1; 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++; return for_temp; } 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) /* branch(50) */ /* branch(end) */ goto lab1; return 1; lab1: return 2; } int test_goto2 (int f) { int i; for (i = 0; i < 10; i++) /* branch(7) */ /* branch(end) */ if (i == f) goto lab2; return 4; lab2: return 8; } 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) /* branch(40) */ /* branch(end) */ if (j) /* branch(0) */ /* branch(end) */ result = do_something (4); else result = do_something (1024); else if (j) /* branch(50) */ /* branch(end) */ result = do_something (1); else result = do_something (2); if (i > j) /* branch(80) */ /* branch(end) */ result = do_something (result*2); if (i > 10) /* branch(80) */ /* branch(end) */ if (j > 10) /* branch(100) */ result = do_something (result*4); return result; } int test_ifelse2 (int i) { int result = 0; if (!i) /* branch(83) */ /* branch(end) */ result = do_something (1); if (i == 1) /* branch(100) */ /* branch(end) */ result = do_something (1024); if (i == 2) /* branch(50) */ /* branch(end) */ result = do_something (2); if (i == 3) /* branch(67) */ /* branch(end) */ return do_something (8); if (i == 4) /* branch(100) */ /* branch(end) */ return do_something (2048); return result; } int test_ifelse3 (int i, int j) { int result = 1; if (i > 10 && j > i && j < 20) /* branch(27 50 75) */ /* branch(end) */ result = do_something (16); if (i > 20) /* branch(55) */ /* branch(end) */ if (j > i) /* branch(60) */ /* branch(end) */ if (j < 30) /* branch(50) */ /* branch(end) */ result = do_something (32); if (i == 3 || j == 47 || i == j) /* branch(9 10 89) */ /* branch(end) */ result = do_something (64); return result; } 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; switch (i) /* branch(20 0 60 20) */ /* branch(end) */ { case 1: result = do_something (2); break; case 2: result = do_something (1024); break; case 3: case 4: if (j == 2) /* branch(67) */ /* branch(end) */ return do_something (4); result = do_something (8); break; default: result = do_something (32); switch_m++; break; } return result; } 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 (); if ((for_val1 != 12) || (for_val2 != 87) || (goto_val != 15) || (ifelse_val1 != 31) || (ifelse_val2 != 23) || (ifelse_val3 != 246) || (switch_val != 55)) abort (); return 0; } /* { dg-final { run-gcov branches { -b gcov-4b.c } } } */
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