gcc/testsuite/gcc.dg/20020201-1.c

   1 /* Check that arc profiling instrumentation code does not cause problems for
   2    a program that calls functions that are likely to be in a shared library.
   3    This was added to check the fix for PR target/5469, which prevents arc
   4    profiling code from being inserted between a call and the restore of the
   5    call-clobbered global pointer.  */
   6
   7 /* { dg-options "-fprofile-arcs" } */
   8 /* { dg-do run { target native } } */
   9
  10 extern void abort (void);
  11 extern void exit (int);
  12
  13 int rand (void);
  14 void srand (unsigned int seed);
  15
  16 int globvar;
  17
  18 void
  19 leave (int i)
  20 {
  21   if (i != 0)
  22     abort ();
  23   exit (0);
  24 }
  25
  26 void
  27 doit ()
  28 {
  29   srand (12);
  30   globvar = rand ();
  31   if (rand () > 0)
  32     globvar = 0;
  33   leave (globvar);
  34 }
  35
  36 int
  37 main ()
  38 {
  39   doit ();
  40 }
  41
  42 /* { dg-final { cleanup-coverage-files } } */