gcc/testsuite/gcc.dg/tree-prof/val-prof-1.c

   1 /* { dg-options "-O2 -fdump-tree-optimized -fdump-ipa-profile" } */
   2 int a[1000];
   3 int b = 256;
   4 int c = 257;
   5 int
   6 main ()
   7 {
   8   int i;
   9   int n;
  10   for (i = 0; i < 1000; i++)
  11     {
  12       if (i % 17)
  13         n = c;
  14       else n = b;
  15       a[i] /= n;
  16     }
  17   return 0;
  18 }
  19 /* autofdo does not do value profiling so far */
  20 /* { dg-final-use-not-autofdo { scan-ipa-dump "Div.mod by constant n_\[0-9\]*=257 transformation on insn" "profile"} } */
  21 /* { dg-final-use-not-autofdo { scan-tree-dump "if \\(n_\[0-9\]* != 257\\)" "optimized"} } */
  22 /* { dg-final-use { scan-tree-dump-not "Invalid sum" "optimized"} } */