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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.misc-tests/] [gcov-7.c] - Blame information for rev 816

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Line No. Rev Author Line
1 149 jeremybenn
/* Check that gcov correctly reports line counts, branch percentages,
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 * and call return percentages for functions that call longjmp. */
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/* { dg-options "-fprofile-arcs -ftest-coverage" } */
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/* { dg-do run { target native } } */
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#include <setjmp.h>
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extern void abort (void);
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extern void exit (int);
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jmp_buf env;
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int val;
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int longjmp_taken;
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int bar_enter, bar_exit;
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int foo_enter, foo_exit;
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void bar (int i)
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{
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  bar_enter++;                          /* count(3) */
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                                        /* branch(67) */
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  if (i == 0) {
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                                        /* branch(end) */
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      longjmp_taken++;                  /* count(1) */
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      longjmp (env, 1);
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    }
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  val += i+1;
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  bar_exit++;                           /* count(2) */
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}
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void foo (int i)
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{
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  foo_enter++;                          /* count(3) */
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                                        /* branch(67) */
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  if (i == 1) {
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                                        /* branch(end) */
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      longjmp_taken++;                  /* count(1) */
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      longjmp (env, 2);
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    }
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                                        /* returns(50) */
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  bar (i);                              /* count(2) */
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                                        /* returns(100) */
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  bar (7);                              /* count(1) */
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                                        /* returns(end) */
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  val += 16;
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  foo_exit++;                           /* count(1) */
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}
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int
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passed ()
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{
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  return (val == 31 &&
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          longjmp_taken == 2 &&
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          foo_enter == 3 &&
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          foo_exit == 1 &&
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          bar_enter == 3 &&
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          bar_exit == 2);
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}
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void
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leave (int i)
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{
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  if (i == 0) {
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      abort ();
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    }
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  exit (0);
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}
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int
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main()
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{
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  int retval;
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                                        /* branch(33) */
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  if ((retval = setjmp (env))) {
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                                        /* branch(end) */
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      val += retval;                    /* count(2) */
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    }
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                                        /* returns(33) */
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  foo (val);                            /* count(3) */
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                                        /* returns(0) */
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  leave (passed());                     /* count(1) */
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                                        /* returns(end) */
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}
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/* { dg-final { run-gcov calls branches { -b gcov-7.c } } } */

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