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