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   LAST = 256
  11 };
  12
  13 struct rtx_def
  14 {
  15
  16   enum rtx_code code:16;
  17 };
  18
  19 static int
  20 nonlocal_mentioned_p (x)
  21      rtx x;
  22 {
  23   if (x->code == CALL_INSN)
  24     {
  25       rtx const _rtx = ((x));
  26       if (_rtx->code != CALL_INSN
  27           && _rtx->code != NOTE
  28           && _rtx->code != EXPR_LIST)
  29         abort ();
  30     }
  31
  32   blah (&x);
  33 }
  34
  35 /* There should be no casts to a short unsigned int since the entire
  36    set of conditionals should optimize away.  */
  37 /* { dg-final { scan-tree-dump-times "\\(short unsigned int\\)" 0 "dom3"} } */
  38
  39 /* There should be no IF conditionals.  */
  40 /* { dg-final { scan-tree-dump-times "if " 0 "dom3"} } */
  41
  42