gcc/testsuite/gcc.dg/tree-prof/time-profiler-2.c

   1 /* { dg-options "-O2 -fdump-ipa-profile" } */
   2
   3 #include <unistd.h>
   4
   5 __attribute__ ((noinline))
   6 int foo()
   7 {
   8   return 1;
   9 }
  10
  11 __attribute__ ((noinline))
  12 int bar()
  13 {
  14   return 1;
  15 }
  16
  17 __attribute__ ((noinline))
  18 int baz()
  19 {
  20   return 1;
  21 }
  22
  23 __attribute__ ((noinline))
  24 int baz1()
  25 {
  26   return 1;
  27 }
  28
  29 int main ()
  30 {
  31   int f = fork();
  32   int r = 0;
  33
  34   foo ();
  35
  36   if (f < 0)
  37     return 1; /* Fork failed.  */
  38
  39   if(f == 0) /* Child process.  */
  40     r = bar() - foo();
  41   else /* Parent process.  */
  42     r = foo() - foo();
  43
  44   return r;
  45 }
  46 /* { dg-final-use-not-autofdo { scan-ipa-dump-times "Read tp_first_run: 1" 2 "profile"} } */
  47 /* { dg-final-use-not-autofdo { scan-ipa-dump-times "Read tp_first_run: 2" 1 "profile"} } */
  48 /* { dg-final-use-not-autofdo { scan-ipa-dump-times "Read tp_first_run: 3" 1 "profile"} } */
  49 /* { dg-final-use-not-autofdo { scan-ipa-dump-times "Read tp_first_run: 4" 1 "profile"} } */