/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @brief Internal headers for liveness analysis.
* @author Sebastian Hack
* @date 06.12.2004
- * @version $Id$
*/
#ifndef FIRM_BE_BELIVE_T_H
#define FIRM_BE_BELIVE_T_H
+#include "be_types.h"
#include "irgraph_t.h"
-#include "irphase_t.h"
+#include "irnodehashmap.h"
#include "irhooks.h"
#include "dfs.h"
#include "statev.h"
#include "irlivechk.h"
#endif
-struct be_irg_t;
-
-struct _be_lv_t {
- ir_phase ph;
- ir_graph *irg;
- dfs_t *dfs;
- const struct be_irg_t *birg;
- bitset_t *nodes;
- hook_entry_t hook_info;
+struct be_lv_t {
+ ir_nodehashmap_t map;
+ struct obstack obst;
+ ir_graph *irg;
+ dfs_t *dfs;
+ bitset_t *nodes;
+ hook_entry_t hook_info;
#ifdef USE_LIVE_CHK
- lv_chk_t *lvc;
+ lv_chk_t *lvc;
#endif
};
-struct _be_lv_info_node_t {
+typedef struct be_lv_info_node_t be_lv_info_node_t;
+struct be_lv_info_node_t {
unsigned idx;
unsigned flags;
};
-struct _be_lv_info_head_t {
+struct be_lv_info_head_t {
unsigned n_members;
unsigned n_size;
};
-struct _be_lv_info_t {
- union {
- struct _be_lv_info_head_t head;
- struct _be_lv_info_node_t node;
- } u;
+union be_lv_info_t {
+ struct be_lv_info_head_t head;
+ struct be_lv_info_node_t node;
};
-static INLINE int _be_lv_next_irn(const struct _be_lv_t *lv, const ir_node *bl, unsigned flags, int i)
+static inline int _be_lv_next_irn(const be_lv_t *lv, const ir_node *block,
+ unsigned flags, int i)
{
- struct _be_lv_info_t *arr = phase_get_irn_data(&lv->ph, bl);
-
- if (arr) {
- int n_members = (int) arr[0].u.head.n_members;
-
+ 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].u.node.flags & flags) {
+ if(arr[i + 1].node.flags & flags) {
return i;
}
++i;
return -1;
}
-static INLINE ir_node *_be_lv_get_irn(const struct _be_lv_t *lv, const ir_node *bl, int i)
+static inline ir_node *_be_lv_get_irn(const be_lv_t *lv, const ir_node *block,
+ int i)
{
- struct _be_lv_info_t *arr = phase_get_irn_data(&lv->ph, bl);
- return get_idx_irn(lv->irg, arr[i + 1].u.node.idx);
+ 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);
}
-struct _be_lv_info_node_t *be_lv_get(const struct _be_lv_t *li, const ir_node *bl, const ir_node *irn);
+be_lv_info_node_t *be_lv_get(const be_lv_t *li, const ir_node *block,
+ const ir_node *irn);
-static INLINE int _be_is_live_xxx(const struct _be_lv_t *li, const ir_node *block, const ir_node *irn, unsigned flags)
+static inline unsigned _be_is_live_xxx(const be_lv_t *li, const ir_node *block,
+ const ir_node *irn, unsigned flags)
{
- int res;
+ unsigned res;
- if (li->nodes) {
- struct _be_lv_info_node_t *info = be_lv_get(li, block, irn);
- res = info ? (info->flags & flags) != 0 : 0;
+ if (li->nodes != NULL) {
+ 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
res = (lv_chk_bl_xxx(li->lvc, block, irn) & flags) != 0;
-#endif /* USE_LIVE_CHK */
+#endif
return res;
}
for (i = _be_lv_next_irn(lv, bl, flags, 0); i >= 0; i = _be_lv_next_irn(lv, bl, flags, i + 1))
-static INLINE pset *_be_lv_pset_put(const struct _be_lv_t *lv, const ir_node *block, int state, pset *s)
+static inline pset *_be_lv_pset_put(const be_lv_t *lv, const ir_node *block,
+ int state, pset *s)
{
int i;
be_lv_foreach(lv, block, state, i)
#define be_lv_has_info_about(lv, irn) bitset_is_set((lv)->nodes, get_irn_idx(irn))
-#endif /* FIRM_BE_BELIVE_T_H */
+#endif