| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-threadfull1-stats" } */ |
| |
| struct S; |
| struct S { struct S *next; }; |
| int foo (struct S *chain, _Bool is_ctor, _Bool is_dtor) |
| { |
| int num_args = 0; |
| if (chain) /* A */ |
| { |
| do { |
| num_args++; |
| chain = chain->next; |
| if (!chain) |
| break; |
| } while (1); |
| } |
| if (is_ctor) |
| num_args++; /* B */ |
| if (is_dtor) |
| num_args++; |
| else |
| { |
| if (num_args > 2) /* C */ |
| __builtin_puts ("x"); |
| } |
| return num_args; |
| } |
| |
| /* We want to thread both paths from A with NULL chain to C, the one through |
| B and one around it. |
| ??? Ideally we'd thread one "path" containing the half-diamond with B. */ |
| /* { dg-final { scan-tree-dump "Jumps threaded: 2" "threadfull1" } } */ |
