gcc/testsuite/gcc.dg/ipa/remref-1a.c

   1 /* Verify that indirect inlining can also remove references of the functions it
   2    discovers calls for.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-O3 -fno-early-inlining -fno-ipa-cp -fdump-ipa-inline -fdump-tree-optimized"  } */
   5
   6 int global;
   7
   8 void __attribute__ ((noinline, noclone, used))
   9 stuff (int i)
  10 {
  11   global = i;
  12 }
  13
  14 static void hooray ()
  15 {
  16   stuff (1);
  17 }
  18
  19 static void hiphip (void (*f)())
  20 {
  21   stuff (2);
  22   f ();
  23 }
  24
  25 int main (void)
  26 {
  27   hiphip (hooray);
  28   return 0;
  29 }
  30
  31 /* { dg-final { scan-ipa-dump "ipa-prop: Removed a reference"  "inline"  } } */
  32 /* { dg-final { scan-tree-dump-not "hooray"  "optimized"  } } */