gcc/testsuite/gcc.dg/ipa/pr68790.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O0 -fipa-icf -fdump-ipa-icf"  } */
   3
   4 struct S
   5 {
   6   int a;
   7 };
   8
   9 int
  10 foo3 (struct S x, struct S y, struct S z)
  11 {
  12   if (z.a != 9)
  13     __builtin_abort ();
  14   return 0;
  15 }
  16
  17 int
  18 bar3 (struct S x, struct S y, struct S z)
  19 {
  20   return foo3 (y, x, z);
  21 }
  22
  23 int
  24 baz3 (struct S x, struct S y, struct S z)
  25 {
  26   return foo3 (y, z, x);
  27 }
  28
  29 int
  30 main (void)
  31 {
  32   struct S
  33     a = { 3 },
  34     b = { 6 },
  35     c = { 9 };
  36
  37   return bar3 (b, a, c);
  38 }
  39
  40 /* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf"  } } */