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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom2" } */
   3 extern void abort (void);
   4 struct rtx_def;
   5 typedef struct rtx_def *rtx;
   6 enum rtx_code
   7 {
   8   CALL_INSN,
   9   EXPR_LIST,
  10   NOTE,
  11   LAST = 256
  12 };
  13
  14 struct rtx_def
  15 {
  16
  17   enum rtx_code code:16;
  18 };
  19
  20 extern void blah (rtx *);
  21
  22 int
  23 nonlocal_mentioned_p (x)
  24      rtx x;
  25 {
  26   if (x->code == CALL_INSN)
  27     {
  28       rtx const _rtx = ((x));
  29       if (_rtx->code != CALL_INSN
  30           && _rtx->code != NOTE
  31           && _rtx->code != EXPR_LIST)
  32         abort ();
  33     }
  34
  35   blah (&x);
  36 }
  37
  38 /* There should be no casts to a short unsigned int since the entire
  39    set of conditionals should optimize away.  */
  40 /* { dg-final { scan-tree-dump-times "\\(short unsigned int\\)" 0 "dom2"} } */
  41
  42 /* There should be no IF conditionals.  */
  43 /* { dg-final { scan-tree-dump-times "if " 0 "dom2"} } */
  44