gcc/testsuite/gcc.dg/ipa/inline-5.c

   1 /* Check statements that are eliminated by inlining.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=gnu17 -O2 -fdump-ipa-fnsummary-details -fno-early-inlining -fno-partial-inlining -fno-ipa-cp"  } */
   4
   5 struct a {int a,b,c,d,e;};
   6 void t(int);
   7 void t2();
   8
   9 void
  10 accessfield (struct a a)
  11 {
  12   t(a.a);
  13     /* Should compile as:
  14        tmp = a.a
  15          Will be eliminated by inlining
  16        t (tmp);  */
  17   t2(&a);
  18   t(a.a);
  19   return;
  20     /* Will be eliminated by inlining */
  21 }
  22 void
  23 accessreference (struct a *a)
  24 {
  25   t(a->a);
  26     /* Should compile as:
  27        a.0_1 = a;
  28          Will be eliminated by inlining
  29        tmp = a.0_1->a;
  30          50% will be eliminated by inlining
  31        t (tmp)  */
  32   t2(&a);
  33   return;
  34     /* Will be eliminated by inlining */
  35 }
  36
  37 /* { dg-final { scan-ipa-dump-times "Will be eliminated" 4 "fnsummary" } } */
  38 /* { dg-final { scan-ipa-dump-times "50. will be eliminated" 1 "fnsummary"  } } */