gcc/testsuite/gcc.dg/tree-ssa/20030814-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom2" } */
   3
   4 extern void abort (void);
   5 extern void oof (int);
   6
   7 int
   8 com(int *blah)
   9 {
  10   int z = *blah;
  11   if (z == 256)
  12     {
  13       oof (z);
  14       abort ();
  15     }
  16   return *blah;
  17 }
  18
  19 /* There should be precisely one load of blah.  If there is
  20    more than one, then the dominator optimizations failed.  */
  21 /* { dg-final { scan-tree-dump-times "\\*blah" 1 "dom2"} } */
  22