gcc/testsuite/gcc.dg/ipa/ipa-pta-7.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fno-early-inlining -fipa-pta" } */
   3
   4 static void __attribute__((noinline,noclone))
   5 clobber_me (int *p, int how)
   6 {
   7   *p = how;
   8 }
   9
  10 /* When foo is inlined into main we have to make sure to adjust
  11    main()s IPA CLOBBERED set according to the decl remappings
  12    inlining does.  */
  13
  14 static int
  15 foo (void)
  16 {
  17   int a = 0;
  18   clobber_me (&a, 1);
  19   return a;
  20 }
  21
  22 extern void abort (void);
  23
  24 int main()
  25 {
  26   if (foo () != 1)
  27     abort ();
  28
  29   return 0;
  30 }