diff options
| -rw-r--r-- | linearize.h | 5 | ||||
| -rw-r--r-- | ptrlist.h | 29 | ||||
| -rw-r--r-- | simplify.c | 2 |
3 files changed, 23 insertions, 13 deletions
diff --git a/linearize.h b/linearize.h index 7093a815..a77e4b3e 100644 --- a/linearize.h +++ b/linearize.h @@ -247,6 +247,11 @@ static inline int has_use_list(pseudo_t p) return (p && p->type != PSEUDO_VOID && p->type != PSEUDO_UNDEF && p->type != PSEUDO_VAL); } +static inline bool has_definition(pseudo_t p) +{ + return p->type == PSEUDO_REG || p->type == PSEUDO_PHI; +} + static inline int pseudo_user_list_size(struct pseudo_user_list *list) { return ptr_list_size((struct ptr_list *)list); @@ -89,27 +89,27 @@ extern void __free_ptr_list(struct ptr_list **); DO_FINISH(ptr, __head##ptr, __list##ptr, __nr##ptr) #define RECURSE_PTR_REVERSE(ptr, new) \ - DO_REVERSE(ptr, __head##ptr, __list##ptr, __nr##ptr, \ + DO_REVERSE(ptr, __head##ptr, __list##ptr, __nr##ptr, __rname##new, \ new, __head##new, __list##new, __nr##new, PTR_ENTRY_UNTAG) #define FOR_EACH_PTR(head, ptr) \ - DO_FOR_EACH(head, ptr, __head##ptr, __list##ptr, __nr##ptr, PTR_ENTRY_NOTAG) + DO_FOR_EACH(head, ptr, __head##ptr, __list##ptr, __nr##ptr, __name##ptr, PTR_ENTRY_NOTAG) #define FOR_EACH_PTR_TAG(head, ptr) \ - DO_FOR_EACH(head, ptr, __head##ptr, __list##ptr, __nr##ptr, PTR_ENTRY_UNTAG) + DO_FOR_EACH(head, ptr, __head##ptr, __list##ptr, __nr##ptr, __name##ptr, PTR_ENTRY_UNTAG) #define END_FOR_EACH_PTR(ptr) \ - DO_END_FOR_EACH(ptr, __head##ptr, __list##ptr, __nr##ptr) + DO_END_FOR_EACH(ptr, __head##ptr, __list##ptr, __nr##ptr, __name##ptr) #define FOR_EACH_PTR_REVERSE(head, ptr) \ - DO_FOR_EACH_REVERSE(head, ptr, __head##ptr, __list##ptr, __nr##ptr, PTR_ENTRY_NOTAG) + DO_FOR_EACH_REVERSE(head, ptr, __head##ptr, __list##ptr, __nr##ptr, __rname##ptr, PTR_ENTRY_NOTAG) #define FOR_EACH_PTR_REVERSE_TAG(head, ptr) \ - DO_FOR_EACH_REVERSE(head, ptr, __head##ptr, __list##ptr, __nr##ptr, PTR_ENTRY_UNTAG) + DO_FOR_EACH_REVERSE(head, ptr, __head##ptr, __list##ptr, __nr##ptr, __rname##ptr, PTR_ENTRY_UNTAG) #define END_FOR_EACH_PTR_REVERSE(ptr) \ - DO_END_FOR_EACH_REVERSE(ptr, __head##ptr, __list##ptr, __nr##ptr) + DO_END_FOR_EACH_REVERSE(ptr, __head##ptr, __list##ptr, __nr##ptr, __rname##ptr) #define THIS_ADDRESS(ptr) \ DO_THIS_ADDRESS(ptr, __head##ptr, __list##ptr, __nr##ptr) @@ -184,9 +184,10 @@ extern void __free_ptr_list(struct ptr_list **); VRFY_PTR_LIST(__head); /* Sanity-check nesting */ \ } while (0) -#define DO_FOR_EACH(head, ptr, __head, __list, __nr, PTR_ENTRY) do { \ +#define DO_FOR_EACH(head, ptr, __head, __list, __nr, __name, PTR_ENTRY) do { \ __typeof__(head) __head = (head); \ __typeof__(head) __list = __head; \ + __typeof__(head) __name = __head; \ int __nr; \ if (!__head) \ break; \ @@ -196,14 +197,16 @@ extern void __free_ptr_list(struct ptr_list **); if (__list->rm && !ptr) \ continue; \ -#define DO_END_FOR_EACH(ptr, __head, __list, __nr) \ +#define DO_END_FOR_EACH(ptr, __head, __list, __nr, __name) \ } \ } while ((__list = __list->next) != __head); \ + (void) __name; \ } while (0) -#define DO_FOR_EACH_REVERSE(head, ptr, __head, __list, __nr, PTR_ENTRY) do { \ +#define DO_FOR_EACH_REVERSE(head, ptr, __head, __list, __nr, __name, PTR_ENTRY) do { \ __typeof__(head) __head = (head); \ __typeof__(head) __list = __head; \ + __typeof__(head) __name = __head; \ int __nr; \ if (!head) \ break; \ @@ -216,15 +219,17 @@ extern void __free_ptr_list(struct ptr_list **); continue; \ -#define DO_END_FOR_EACH_REVERSE(ptr, __head, __list, __nr) \ +#define DO_END_FOR_EACH_REVERSE(ptr, __head, __list, __nr, __name) \ } \ } while (__list != __head); \ + (void) __name; \ } while (0) -#define DO_REVERSE(ptr, __head, __list, __nr, new, __newhead, \ +#define DO_REVERSE(ptr, __head, __list, __nr, __name, new, __newhead, \ __newlist, __newnr, PTR_ENTRY) do { \ __typeof__(__head) __newhead = __head; \ __typeof__(__head) __newlist = __list; \ + __typeof__(__head) __name = __list; \ int __newnr = __nr; \ new = ptr; \ goto __inside##new; \ @@ -271,7 +271,7 @@ static inline void rem_usage(pseudo_t p, pseudo_t *usep, int kill) { if (has_use_list(p)) { delete_pseudo_user_list_entry(&p->users, usep, 1); - if (kill && !p->users) + if (kill && !p->users && has_definition(p)) kill_instruction(p->def); } } |