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 #include <stdlib.h>
  11
  12 int globvar;
  13
  14 void
  15 leave (int i)
  16 {
  17   if (i != 0)
  18     abort ();
  19   exit (0);
  20 }
  21
  22 void
  23 doit ()
  24 {
  25   srand (12);
  26   globvar = rand ();
  27   if (rand () > 0)
  28     globvar = 0;
  29   leave (globvar);
  30 }
  31
  32 int
  33 main ()
  34 {
  35   doit ();
  36 }
  37
  38 /* { dg-final { cleanup-coverage-files } } */