gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c

   1 /* { dg-options "-O2 -fdump-tree-optimized -fdump-ipa-profile" } */
   2
   3 static int a1 (void)
   4 {
   5     return 10;
   6 }
   7
   8 static int a2 (void)
   9 {
  10     return 0;
  11 }
  12
  13 typedef int (*tp) (void);
  14
  15 static tp aa [] = {a2, a1, a1, a1, a1};
  16
  17 void setp (int (**pp) (void), int i)
  18 {
  19   if (!i)
  20     *pp = aa [i];
  21   else
  22     *pp = aa [(i & 2) + 1];
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   int (*p) (void);
  29   int  i;
  30
  31   for (i = 0; i < 10; i ++)
  32     {
  33         setp (&p, i);
  34         p ();
  35     }
  36
  37   return 0;
  38 }
  39
  40 /* { dg-final-use { scan-ipa-dump "Indirect call -> direct call.* a1 transformation on insn" "profile"} } */
  41 /* { dg-final-use { scan-tree-dump-not "Invalid sum" "optimized"} } */
  42 /* { dg-final-use { cleanup-tree-dump "optimized" } } */
  43 /* { dg-final-use { cleanup-ipa-dump "profile" } } */