gcc/testsuite/gcc.dg/ipa/ipa-icf-37.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-icf-optimized"  } */
   3
   4 static int a;
   5 static int b;
   6 static const int c = 2;
   7 static const int d = 2;
   8 static char * e = "test";
   9 static char * f = "test";
  10 static int g[3]={1,2,3};
  11 static int h[3]={1,2,3};
  12 static const int *i=&c;
  13 static const int *j=&c;
  14 static const int *k=&d;
  15 int t(int tt)
  16 {
  17   switch (tt)
  18   {
  19     case 1: return a;
  20     case 2: return b;
  21     case 3: return c;
  22     case 4: return d;
  23     case 5: return e[1];
  24     case 6: return f[1];
  25     case 7: return g[1];
  26     case 8: return h[1];
  27     case 9: return i[0];
  28     case 10: return j[0];
  29     case 11: return k[0];
  30   }
  31 }
  32
  33 /* { dg-final { scan-ipa-dump "Equal symbols: 5" "icf"  } } */
  34 /* { dg-final { scan-ipa-dump "Semantic equality hit:a/\[0-9+\]+->b/\[0-9+\]+" "icf"  } } */
  35 /* { dg-final { scan-ipa-dump "Semantic equality hit:c/\[0-9+\]+->d/\[0-9+\]+" "icf"  } } */
  36 /* { dg-final { scan-ipa-dump "Semantic equality hit:e/\[0-9+\]+->f/\[0-9+\]+" "icf"  } } */
  37 /* { dg-final { scan-ipa-dump "Semantic equality hit:g/\[0-9+\]+->h/\[0-9+\]+" "icf"  } } */
  38 /* { dg-final { scan-ipa-dump "Semantic equality hit:i/\[0-9+\]+->j/\[0-9+\]+" "icf"  } } */