| /* { dg-do compile } */ |
| /* { dg-options "-O1 -fdump-tree-dom2" } */ |
| |
| |
| union tree_node; |
| typedef union tree_node *tree; |
| extern const char tree_code_type[]; |
| struct tree_common |
| { |
| int code; |
| tree type; |
| }; |
| struct tree_exp |
| { |
| tree operands[1]; |
| }; |
| union tree_node |
| { |
| struct tree_common common; |
| struct tree_exp exp; |
| }; |
| long |
| get_alias_set (t) |
| tree t; |
| { |
| if (tree_code_type[t->common.code] != 't' && t->common.type == 0) |
| return 0; |
| if (tree_code_type[t->common.code] != 't') |
| { |
| while (t->exp.operands[0]) |
| t = t->exp.operands[0]; |
| } |
| } |
| |
| /* There should be exactly 4 IF conditionals if we thread jumps |
| properly. There used to be 3, but one thread was crossing |
| loops. */ |
| /* { dg-final { scan-tree-dump-times "if " 4 "dom2"} } */ |
| |
