| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-fre1-stats" } */ |
| struct s { |
| int *n; |
| }; |
| |
| int |
| foo (__SIZE_TYPE__ i, struct s *array) |
| { |
| int *p = array[i].n; |
| if (p) |
| { |
| int *q = array[i].n; |
| if (p != q) |
| return 1; |
| } |
| return 0; |
| } |
| /* We should eliminate two address calculations, and one load. */ |
| /* We also elimiate the PHI node feeding the return because the case |
| returning 1 is unreachable. */ |
| /* We used to eliminate a cast but that was before POINTER_PLUS_EXPR |
| was added. */ |
| /* { dg-final { scan-tree-dump-times "Eliminated: 4" 1 "fre1"} } */ |
