static int tree_verify_flow_info (void);
static void tree_make_forwarder_block (edge);
static void tree_cfg2vcg (FILE *);
+static inline void change_bb_for_stmt (tree t, basic_block bb);
/* Flowgraph optimization and cleanup. */
static void tree_merge_blocks (basic_block, basic_block);
}
else
{
- set_bb_for_stmt (bsi_stmt (bsi), a);
+ change_bb_for_stmt (bsi_stmt (bsi), a);
bsi_next (&bsi);
}
}
}
}
+/* Faster version of set_bb_for_stmt that assume that statement is being moved
+ from one basic block to another.
+ For BB splitting we can run into quadratic case, so performance is quite
+ important and knowing that the tables are big enought, change_bb_for_stmt
+ can inline as leaf function. */
+static inline void
+change_bb_for_stmt (tree t, basic_block bb)
+{
+ get_stmt_ann (t)->bb = bb;
+ if (TREE_CODE (t) == LABEL_EXPR)
+ VEC_replace (basic_block, label_to_block_map,
+ LABEL_DECL_UID (LABEL_EXPR_LABEL (t)), bb);
+}
+
/* Finds iterator for STMT. */
extern block_stmt_iterator
new_bb->stmt_list = tsi_split_statement_list_before (&bsi.tsi);
for (tsi_tgt = tsi_start (new_bb->stmt_list);
!tsi_end_p (tsi_tgt); tsi_next (&tsi_tgt))
- set_bb_for_stmt (tsi_stmt (tsi_tgt), new_bb);
+ change_bb_for_stmt (tsi_stmt (tsi_tgt), new_bb);
return new_bb;
}