gcc/testsuite/gcc.dg/tree-ssa/20030708-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom3" } */
   3 struct rtx_def;
   4 typedef struct rtx_def *rtx;
   5 enum rtx_code
   6 {
   7   CALL_INSN,
   8   EXPR_LIST,
   9   NOTE
  10 };
  11
  12 struct rtx_def
  13 {
  14
  15   enum rtx_code code:16;
  16 };
  17
  18 static int
  19 nonlocal_mentioned_p (x)
  20      rtx x;
  21 {
  22   if (x->code == CALL_INSN)
  23     {
  24       rtx const _rtx = ((x));
  25       if (_rtx->code != CALL_INSN
  26           && _rtx->code != NOTE
  27           && _rtx->code != EXPR_LIST)
  28         abort ();
  29     }
  30
  31   blah (&x);
  32 }
  33
  34 /* There should be no casts to a short unsigned int since the entire
  35    set of conditionals should optimize away.  */
  36 /* { dg-final { scan-tree-dump-times "\\(short unsigned int\\)" 0 "dom3"} } */
  37
  38 /* There should be no IF conditionals.  */
  39 /* { dg-final { scan-tree-dump-times "if " 0 "dom3"} } */
  40
  41