#ifndef _BELIVE_T_H
#define _BELIVE_T_H
-#include "config.h"
+#include "irgraph_t.h"
+#include "iredges_t.h"
+#include "irphase_t.h"
+#include "irhooks.h"
-#include "belive.h"
#include "pset.h"
+#include "set.h"
+#include "list.h"
+#include "hashptr.h"
+#include "bitset.h"
-typedef struct _block_live_info_t {
- pset *in; /**< The set of all values live in at that block. */
- pset *out; /**< The set of all values live out. */
- pset *end; /**< The set of all values live at the end
- of the block (contains all live out). */
-} block_live_info_t;
+#include "belive.h"
-typedef struct _node_live_info_t {
- int is_phi_op; /**< Marks the node as a phi operand. */
-} node_live_info_t;
+struct _be_lv_t {
+ phase_t ph;
+ ir_graph *irg;
+ bitset_t *nodes;
+ hook_entry_t hook_info;
+};
-typedef struct _live_info_t {
- union {
- block_live_info_t block;
- node_live_info_t node;
- } v;
-} live_info_t;
+struct _be_lv_info_node_t {
+ unsigned idx;
+ unsigned flags;
+};
-extern size_t live_irn_data_offset;
+struct _be_lv_info_head_t {
+ unsigned n_members;
+ unsigned n_size;
+};
-#define get_irn_live_info(irn) get_irn_data(irn, live_info_t, live_irn_data_offset)
-#define get_live_info_irn(inf) get_irn_data_base(inf, live_irn_data_offset)
-
-#define get_block_live_info(irn) (&(get_irn_live_info(irn)->v.block))
-#define get_node_live_info(irn) (&(get_irn_live_info(irn)->v.node))
+struct _be_lv_info_t {
+ union {
+ struct _be_lv_info_head_t head;
+ struct _be_lv_info_node_t node;
+ } u;
+};
-static INLINE int _is_phi_operand(const ir_node *irn)
+static INLINE int _be_lv_next_irn(const struct _be_lv_t *lv, const ir_node *bl, unsigned flags, int i)
{
- assert(!is_Block(irn) && "No block node allowed here");
- return get_node_live_info(irn)->is_phi_op;
+ 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;
+
+ while(i < n_members) {
+ if(arr[i + 1].u.node.flags & flags) {
+ return i;
+ }
+ ++i;
+ }
+ }
+
+ return -1;
}
-static INLINE int _is_live_in(const ir_node *block, const ir_node *irn)
+static INLINE ir_node * _be_lv_get_irn(const struct _be_lv_t *lv, const ir_node *bl, int i)
{
- block_live_info_t *info = get_block_live_info(block);
-
- assert(is_Block(block) && "Need a block here");
- return pset_find_ptr(info->in, irn) != NULL;
+ 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);
}
-static INLINE int _is_live_out(const ir_node *block, const ir_node *irn)
-{
- block_live_info_t *info = get_block_live_info(block);
-
- assert(is_Block(block) && "Need a block here");
- return pset_find_ptr(info->out, irn) != NULL;
-}
+struct _be_lv_info_node_t *be_lv_get(const struct _be_lv_t *li, const ir_node *bl, const ir_node *irn);
-static INLINE int _is_live_end(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)
{
- block_live_info_t *info = get_block_live_info(block);
-
- assert(is_Block(block) && "Need a block here");
- return pset_find_ptr(info->end, irn) != NULL;
+ struct _be_lv_info_node_t *info = be_lv_get(li, block, irn);
+ return info ? (info->flags & flags) != 0 : 0;
}
-static INLINE pset *_get_live_in(const ir_node *block)
-{
- assert(is_Block(block) && "Need a block here");
- return get_block_live_info(block)->in;
-}
+#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))
-static INLINE pset *_get_live_out(const ir_node *block)
-{
- assert(is_Block(block) && "Need a block here");
- return get_block_live_info(block)->out;
-}
-static INLINE pset *_get_live_end(const ir_node *block)
+static INLINE pset *_be_lv_pset_put(const struct _be_lv_t *lv, const ir_node *block, int state, pset *s)
{
- assert(is_Block(block) && "Need a block here");
- return get_block_live_info(block)->end;
+ int i;
+ be_lv_foreach(lv, block, state, i)
+ pset_insert_ptr(s, _be_lv_get_irn(lv, block, i));
+ return s;
}
-#define is_phi_operand(irn) _is_phi_operand(irn)
-#define is_live_in(bl,irn) _is_live_in(bl, irn)
-#define is_live_out(bl,irn) _is_live_out(bl, irn)
-#define is_live_end(bl,irn) _is_live_end(bl, irn)
-#define get_live_in(bl) _get_live_in(bl)
-#define get_live_out(bl) _get_live_out(bl)
-#define get_live_end(bl) _get_live_end(bl)
+#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)
-/**
- * Initialize the liveness module.
- * To be called from be_init().
- */
-void be_liveness_init(void);
+#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_has_info_about(lv, irn) bitset_is_set((lv)->nodes, get_irn_idx(irn))
#endif
projects / libfirm / blobdiff