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

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