gcc/testsuite/gcc.dg/ipa/ipa-icf-39.c

   1 /* { dg-do compile } */
   2 /* { dg-require-alias "" } */
   3 /* { dg-options "-O2 -fdump-ipa-icf-optimized -fmerge-all-constants -fdbg-cnt=merged_ipa_icf:1-2"  } */
   4 /* { dg-prune-output "\\*\\*\\*dbgcnt:.*limit.*reached" } */
   5
   6 static int a;
   7 static int b;
   8 static const int c = 2;
   9 static const int d = 2;
  10 static char * e = "test";
  11 static char * f = "test";
  12 static int g[3]={1,2,3};
  13 static int h[3]={1,2,3};
  14 static const int *i=&c;
  15 static const int *j=&c;
  16 static const int *k=&d;
  17 int t(int tt)
  18 {
  19   switch (tt)
  20   {
  21     case 1: return a;
  22     case 2: return b;
  23     case 3: return c;
  24     case 4: return d;
  25     case 5: return e[1];
  26     case 6: return f[1];
  27     case 7: return g[1];
  28     case 8: return h[1];
  29     case 9: return i[0];
  30     case 10: return j[0];
  31     case 11: return k[0];
  32   }
  33 }
  34 /* { dg-final { scan-ipa-dump-times "Unified;" 2 "icf"  } } */