diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/bprob/g++-bprob-1.C')
| -rw-r--r-- | gcc/testsuite/g++.dg/bprob/g++-bprob-1.C | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/bprob/g++-bprob-1.C b/gcc/testsuite/g++.dg/bprob/g++-bprob-1.C new file mode 100644 index 00000000000..b1a1de77e98 --- /dev/null +++ b/gcc/testsuite/g++.dg/bprob/g++-bprob-1.C @@ -0,0 +1,234 @@ +/* Check that various C constructs (in C++) don't cause problems for + * profile-directed block ordering. + + Most of this test is the same as bprob-1.c and gcov-4.c in + gcc.misc-tests. The "count" comments are left in to make comparisons + easier; they are ignored for this test. */ + +extern "C" void abort (void); + +/* 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) */ +} + +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) +{ + 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 = 4; /* count(3) */ + else + result = 1024; + else + if (j) /* count(2) */ + result = 1; /* count(1) */ + else + result = 2; /* count(1) */ + if (i > j) /* count(5) */ + result *= 2; /* count(1) */ + if (i > 10) /* count(5) */ + if (j > 10) /* count(1) */ + result *= 4; /* count(1) */ + return result; /* count(5) */ +} + +int +test_ifelse2 (int i) +{ + int result = 0; + if (!i) /* count(6) */ + result = 1; /* count(1) */ + if (i == 1) /* count(6) */ + result = 1024; + if (i == 2) /* count(6) */ + result = 2; /* count(3) */ + if (i == 3) /* count(6) */ + return 8; /* count(2) */ + if (i == 4) /* count(4) */ + return 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 = 16; /* count(1) */ + if (i > 20) /* count(11) */ + if (j > i) /* count(5) */ + if (j < 30) /* count(2) */ + result = 32; /* count(1) */ + if (i == 3 || j == 47 || i == j) /* count(11) */ + result = 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); /* count(1) */ + ifelse_val3 += test_ifelse3 (65, 65); /* count(1) */ +} + +/* 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 = 2; /* count(1) */ + break; + case 2: + result = 1024; + break; + case 3: + case 4: + if (j == 2) /* count(3) */ + return 4; /* count(1) */ + result = 8; /* count(2) */ + break; + default: + result = 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 (); + 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; +} |