gcc/testsuite/gcc.misc-tests/gcov-6.c

   1 /* Check that call return percentages are reported correctly by gcov,
   2    along with line counts and branch percentages.  This test case is
   3    meant to be simple, as it was added at the same time that checking
   4    for call return percentages was added.  */
   5
   6 /* { dg-options "-fprofile-arcs -ftest-coverage" } */
   7 /* { dg-do run { target native } } */
   8
   9 int val;
  10
  11 void
  12 foo (int i)
  13 {
  14                                         /* branch(80) */
  15   if (i < 0)                            /* count(5) */
  16                                         /* branch(end) */
  17                                         /* returns(0) */
  18     exit (0);                           /* count(1) */
  19                                         /* returns(end) */
  20   val += i;                             /* count(4) */
  21 }
  22
  23 int
  24 main()
  25 {
  26   int i;
  27
  28                                         /* returns(100) */
  29   foo (100);                            /* count(1) */
  30                                         /* returns(end) */
  31   for (i = 2; i > -10; i--)
  32                                         /* returns(75) */
  33     foo (i);                            /* count(4) */
  34                                         /* returns(end) */
  35 }
  36
  37 /* { dg-final { run-gcov -b gcov-6.c } } */