gcc/testsuite/gcc.dg/tree-ssa/20030714-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom3" } */
   3
   4 struct rtx_def;
   5 typedef struct rtx_def *rtx;
   6 enum rtx_code
   7 {
   8   REG,
   9   LAST_AND_UNUSED_RTX_CODE = 256
  10 };
  11 typedef union rtunion_def rtunion;
  12 struct rtx_def
  13 {
  14   enum rtx_code code:16;
  15   unsigned frame_related:1;
  16 };
  17
  18 rtx
  19 find_base_value (src)
  20      rtx src;
  21 {
  22   rtx temp;
  23   rtx src_0, src_2;
  24   rtx src_1, src_3;
  25
  26   if ((src_0->code == REG) && (({src_2;})->frame_related))
  27     return find_base_value (src_0);
  28   if ((src_1->code == REG) && (({ src_3;})->frame_related))
  29     return find_base_value (src_1);
  30   if (src_0->code == REG)
  31     find_base_value (src_0);
  32   if (src_1->code == REG)
  33     find_base_value (src_1);
  34 }
  35
  36
  37 /* There should be four IF conditionals.  */
  38 /* { dg-final { scan-tree-dump-times "if " 4 "dom3"} } */
  39
  40 /* There should be no casts to short unsigned int.  */
  41 /* { dg-final { scan-tree-dump-times "\\(short unsigned int\\)" 0 "dom3"} } */
  42
  43 /* There should be two loads of ->code.  */
  44 /* { dg-final { scan-tree-dump-times "->code" 2 "dom3"} } */
  45
  46 /* { dg-final { cleanup-tree-dump "dom3" } } */