gcc/testsuite/gcc.dg/struct/wo_prof_empty_str.c

   1 /* { dg-options "-O3 -fno-inline -fdump-ipa-all -fipa-struct-reorg -fwhole-program -combine" } */
   2 /* { dg-do compile } */
   3 /* { dg-do run } */
   4
   5 #include <stdlib.h>
   6
   7 struct S { int a; struct V *b; };
   8 typedef struct { int c; } T;
   9 typedef struct { int d; int e; } U;
  10
  11 void *
  12 fn (void *x)
  13 {
  14   return x;
  15 }
  16
  17 int
  18 foo (struct S *s)
  19 {
  20   T x;
  21
  22   T y = *(T *)fn (&x);
  23   return y.c;
  24 }
  25
  26 int
  27 bar (struct S *s)
  28 {
  29   U x;
  30
  31   U y = *(U *)fn (&x);
  32   return y.d + s->a;
  33 }
  34
  35 int
  36 main ()
  37 {
  38   struct S s;
  39
  40   foo(&s) + bar (&s);
  41
  42   return 0;
  43 }
  44
  45 /*--------------------------------------------------------------------------*/
  46 /* { dg-final { scan-ipa-dump "No structures to transform" "ipa_struct_reorg" { xfail *-*-* } } } */
  47 /* { dg-final { cleanup-ipa-dump "*" } } */