gcc/testsuite/gcc.dg/pr46522.c

   1 /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O3 -fkeep-inline-functions -fsel-sched-pipelining -fselective-scheduling2 -funroll-loops" } */
   3
   4 struct S
   5 {
   6   unsigned i, j;
   7 };
   8
   9 static inline void
  10 bar (struct S *s)
  11 {
  12   if (s->i++ == 1)
  13     {
  14       s->i = 0;
  15       s->j++;
  16     }
  17 }
  18
  19 void
  20 foo1 (struct S *s)
  21 {
  22   bar (s);
  23 }
  24
  25 void
  26 foo2 (struct S s1, struct S s2, int i)
  27 {
  28   while (s1.i != s2.i) {
  29     if (i)
  30       *(unsigned *) 0 |= (1U << s1.i);
  31     bar (&s1);
  32   }
  33 }