#if FIRM_EDGES_INPLACE
+/**
+ * This flag is set to 1, if the edges get initialized for an irg.
+ * Then register additional data is forbidden.
+ */
+static int edges_used = 0;
+
+static int edges_private_size = 0;
+
+int edges_register_private_data(size_t n)
+{
+ int res = edges_private_size;
+
+ assert(!edges_used && "you cannot register private edge data, if edges have been initialized");
+
+ edges_private_size += n;
+ return res;
+}
+
#define TIMES37(x) (((x) << 5) + ((x) << 2) + (x))
#define get_irn_out_list_head(irn) (&get_irn_out_info(irn)->outs)
irg_edge_info_t *info = _get_irg_edge_info(irg);
int amount = 2048;
+ edges_used = 1;
+
if(info->edges) {
amount = set_count(info->edges);
del_set(info->edges);
* treated as unequal, ignoring the comparison function.
* So, edges from blocks have extra storage (they are
* ir_block_edge_t's).
+ *
+ * Also add the amount of registered private data to the
+ * size of the edge.
*/
- size = is_block_edge ? sizeof(ir_block_edge_t) : sizeof(ir_edge_t);
+ size = edges_private_size +
+ is_block_edge ? sizeof(ir_block_edge_t) : sizeof(ir_edge_t);
/* Initialize the edge template to search in the set. */
memset(templ, 0, size);