Added link field for arbitrary data to ir_valueset elements.

diff --git a/ir/ir/valueset.c b/ir/ir/valueset.c
index 9dd242d..c6c2e07 100644 (file)
--- a/ir/ir/valueset.c
+++ b/ir/ir/valueset.c
@@ -147,6 +147,20 @@ void *ir_valueset_lookup(const ir_valueset_t *valueset, const ir_node *value)
        return NULL;
 }
 
+void ir_valueset_set_link(const ir_valueset_t *valueset, const ir_node *value, void *link)
+{
+       ir_valueset_entry_t *entry = ir_valueset_find_(valueset, value);
+       assert(entry);
+       entry->link = link;
+}
+
+void *ir_valueset_get_link(const ir_valueset_t *valueset, const ir_node *value)
+{
+       ir_valueset_entry_t *entry = ir_valueset_find_(valueset, value);
+       assert(entry);
+       return entry->link;
+}
+
 void ir_valueset_iterator_init(ir_valueset_iterator_t *iterator,
                                const ir_valueset_t *valueset)
 {

diff --git a/ir/ir/valueset.h b/ir/ir/valueset.h
index 8a52d9f..084b47a 100644 (file)
--- a/ir/ir/valueset.h
+++ b/ir/ir/valueset.h
@@ -32,6 +32,7 @@
 typedef struct ir_valueset_entry_t {
        ir_node     *value;  /**< the represented value */
        ir_node     *expr;   /**< the leader expression for the value in the current set */
+       void        *link;   /**< additional attached information */
        list_head   list;    /**< link field for the list iterator */
 } ir_valueset_entry_t;
 
@@ -107,6 +108,24 @@ static inline void ir_valueset_del(ir_valueset_t *valueset) {
  */
 int ir_valueset_insert(ir_valueset_t *valueset, ir_node *value, ir_node *expr);
 
+/**
+ * Sets link of the element associated with specified value.
+ *
+ * @param valueset  Pointer to the value set.
+ * @param value     Value of the element.
+ * @param link      Link to be set in element.
+ */
+void ir_valueset_set_link(const ir_valueset_t *valueset, const ir_node *value, void *link);
+
+/**
+ * Get the link of the element associated with specified value.
+ *
+ * @param valueset  Pointer to the value set.
+ * @param value     Value of the element.
+ * @returns         Link of the element associated to the value.
+ */
+void *ir_valueset_get_link(const ir_valueset_t *valueset, const ir_node *value);
+
 /**
  * Inserts a (value, expression) pair into a valueset if the value is not already
  * known, else replace the expression for the given value.
@@ -133,7 +152,7 @@ void *ir_valueset_lookup(const ir_valueset_t *valueset, const ir_node *value);
  * the value.
  *
  * @param valueset  Pointer to the value set
- * @param value     value to remove from the values et
+ * @param value     value to remove from the values set
  */
 void ir_valueset_remove(ir_valueset_t *valueset, const ir_node *value);