gcc/testsuite/gcc.dg/tree-prof/crossmodule-indir-call-topn-1.c

   1 /* { dg-require-effective-target lto } */
   2 /* { dg-require-profiling "-fprofile-generate" } */
   3 /* { dg-additional-sources "crossmodule-indir-call-topn-1a.c" } */
   4 /* { dg-options "-O2 -flto -DDOJOB=1 -fdump-ipa-profile_estimate" } */
   5
   6 #ifdef FOR_AUTOFDO_TESTING
   7 #define MAXITER 350000000
   8 #else
   9 #define MAXITER 3500000
  10 #endif
  11
  12 #include <stdio.h>
  13
  14 typedef int (*fptr) (int);
  15 int
  16 one (int a);
  17
  18 int
  19 two (int a);
  20
  21 fptr table[] = {&one, &two};
  22
  23 int
  24 main()
  25 {
  26   int i, x;
  27   fptr p = &one;
  28
  29   x = one (3);
  30
  31   for (i = 0; i < MAXITER; i++)
  32     {
  33       x = (*p) (3);
  34       p = table[x];
  35     }
  36   printf ("done:%d\n", x);
  37 }
  38
  39 /* { dg-final-use-not-autofdo { scan-pgo-wpa-ipa-dump "2 \\(200.00%\\) speculations produced." "profile_estimate" } } */