gcc/testsuite/gcc.dg/tree-ssa/20030922-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom1" } */
   3
   4 struct rtx_def;
   5 typedef struct rtx_def *rtx;
   6 struct rtx_def
   7 {
   8   int bb;
   9 };
  10 int *block_to_bb;
  11 int target_bb;
  12
  13 int
  14 rgn_rank (rtx insn1, rtx insn2)
  15 {
  16   if (block_to_bb[insn1->bb] != block_to_bb[insn2->bb])
  17     if (block_to_bb[insn2->bb] == target_bb
  18         && block_to_bb[insn1->bb] != target_bb)
  19       return 1;
  20 }
  21
  22 /* There should be two IF conditionals.  */
  23 /* { dg-final { scan-tree-dump-times "if " 2 "dom1" } } */
  24 /* { dg-final { cleanup-tree-dump "dom1" } } */