#ifndef FIRM_BE_BELIVE_T_H
#define FIRM_BE_BELIVE_T_H
-#include "be_types.h"
-#include "irgraph_t.h"
+#include <stdbool.h>
#include "irnodehashmap.h"
#include "irhooks.h"
-#include "dfs.h"
-#include "statev.h"
-
-#include "pset.h"
-#include "bitset.h"
-
+#include "irlivechk.h"
#include "belive.h"
+#include "bearch.h"
-#define USE_LIVE_CHK
-
-#ifdef USE_LIVE_CHK
-#include "irlivechk.h"
-#endif
+#define be_is_live_in(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_in)
+#define be_is_live_end(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_end)
+#define be_is_live_out(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_out)
struct be_lv_t {
ir_nodehashmap_t map;
struct obstack obst;
+ bool sets_valid;
ir_graph *irg;
- dfs_t *dfs;
- bitset_t *nodes;
- hook_entry_t hook_info;
-#ifdef USE_LIVE_CHK
lv_chk_t *lvc;
-#endif
};
typedef struct be_lv_info_node_t be_lv_info_node_t;
struct be_lv_info_node_t {
- unsigned idx;
+ ir_node *node;
unsigned flags;
};
struct be_lv_info_node_t node;
};
-static inline int _be_lv_next_irn(const be_lv_t *lv, const ir_node *block,
- unsigned flags, int i)
-{
- be_lv_info_t *arr = (be_lv_info_t*)ir_nodehashmap_get(&lv->map, block);
- if (arr != NULL) {
- int n_members = (int) arr[0].head.n_members;
- while(i < n_members) {
- if(arr[i + 1].node.flags & flags) {
- return i;
- }
- ++i;
- }
- }
-
- return -1;
-}
-
-static inline ir_node *_be_lv_get_irn(const be_lv_t *lv, const ir_node *block,
- int i)
-{
- be_lv_info_t *arr = (be_lv_info_t*)ir_nodehashmap_get(&lv->map, block);
- return get_idx_irn(lv->irg, arr[i + 1].node.idx);
-}
-
be_lv_info_node_t *be_lv_get(const be_lv_t *li, const ir_node *block,
const ir_node *irn);
{
unsigned res;
- if (li->nodes != NULL) {
+ if (li->sets_valid) {
be_lv_info_node_t *info = be_lv_get(li, block, irn);
res = info != NULL ? (info->flags & flags) != 0 : 0;
- }
-
-#ifdef USE_LIVE_CHK
- else
+ } else {
res = (lv_chk_bl_xxx(li->lvc, block, irn) & flags) != 0;
-#endif
+ }
return res;
}
-#define be_lv_foreach(lv, bl, flags, i) \
- for (i = _be_lv_next_irn(lv, bl, flags, 0); i >= 0; i = _be_lv_next_irn(lv, bl, flags, i + 1))
+typedef struct lv_iterator_t
+{
+ be_lv_info_t *info;
+ size_t i;
+} lv_iterator_t;
+static inline lv_iterator_t be_lv_iteration_begin(const be_lv_t *lv,
+ const ir_node *block)
+{
+ lv_iterator_t res;
+ res.info = ir_nodehashmap_get(be_lv_info_t, &lv->map, block);
+ res.i = res.info != NULL ? res.info[0].head.n_members : 0;
+ return res;
+}
-static inline pset *_be_lv_pset_put(const be_lv_t *lv, const ir_node *block,
- int state, pset *s)
+static inline ir_node *be_lv_iteration_next(lv_iterator_t *iterator, be_lv_state_t flags)
{
- int i;
- be_lv_foreach(lv, block, state, i)
- pset_insert_ptr(s, _be_lv_get_irn(lv, block, i));
- return s;
+ while (iterator->i != 0) {
+ const be_lv_info_t *info = iterator->info + iterator->i--;
+ if (info->node.flags & flags)
+ return info->node.node;
+ }
+ return NULL;
}
-#define be_lv_get_irn(lv, bl, i) _be_lv_get_irn(lv, bl, i)
-#define be_lv_pset_put_in(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_in, s)
-#define be_lv_pset_put_out(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_out, s)
-#define be_lv_pset_put_end(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_end, s)
+static inline ir_node *be_lv_iteration_cls_next(lv_iterator_t *iterator, be_lv_state_t flags, const arch_register_class_t *cls)
+{
+ while (iterator->i != 0) {
+ const be_lv_info_t *info = iterator->info + iterator->i--;
+ if (!(info->node.flags & flags))
+ continue;
+
+ ir_node *node = info->node.node;
+ ir_mode *mode = get_irn_mode(node);
+ if (!mode_is_datab(mode))
+ continue;
+ if (!arch_irn_consider_in_reg_alloc(cls, node))
+ continue;
+ return node;
+ }
+ return NULL;
+}
-#define be_is_live_in(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_in)
-#define be_is_live_end(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_end)
-#define be_is_live_out(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_out)
+#define be_lv_foreach(lv, block, flags, node) \
+ for (bool once = true; once;) \
+ for (lv_iterator_t iter = be_lv_iteration_begin((lv), (block)); once; once = false) \
+ for (ir_node *node; (node = be_lv_iteration_next(&iter, (flags))) != NULL;)
-#define be_lv_has_info_about(lv, irn) bitset_is_set((lv)->nodes, get_irn_idx(irn))
+#define be_lv_foreach_cls(lv, block, flags, cls, node) \
+ for (bool once = true; once;) \
+ for (lv_iterator_t iter = be_lv_iteration_begin((lv), (block)); once; once = false) \
+ for (ir_node *node; (node = be_lv_iteration_cls_next(&iter, (flags), (cls))) != NULL;)
#endif