fix doxygen warnings

[r28239]

include/libfirm/ircons.h

@@ -1170,7 +1170,7 @@ FIRM_API ir_node *new_rd_Const_long(dbg_info *db, ir_graph *irg,
  * @param *db     A pointer for debug information.
  * @param *irg    The IR graph the node  belongs to.
  * @param mode    The mode for the SymConst.
- * @param val     A type, ident, entity or enum constant depending on the
+ * @param value   A type, ident, entity or enum constant depending on the
  *                SymConst kind.
  * @param kind    The kind of the symbolic constant, see the list above
  */
@@ -1685,7 +1685,6 @@ FIRM_API void mature_immBlock(ir_node *block);
  * associated with pos.  Pos may not exceed the value passed as n_loc
  * to new_ir_graph.  This call automatically inserts Phi nodes.
  *
- * @param *db    A pointer for debug information.
  * @param  pos   The position/id of the local variable.
  * @param *mode  The mode of the value to get.
  */

include/libfirm/irmemory.h

@@ -103,7 +103,6 @@ FIRM_API const char *get_ir_alias_relation_name(ir_alias_relation rel);
 /**
  * Determine the alias relation between two addresses.
  *
- * @param irg     The current graph.
  * @param adr1    The first address.
  * @param mode1   The mode of the first memory access.
  * @param adr2    The second address.

include/libfirm/typerep.h

@@ -432,11 +432,9 @@ FIRM_API int is_irn_const_expression(ir_node *n);
  * Copies a Firm subgraph that complies to the restrictions for
  * constant expressions to block.
  *
- * @param dbg  debug info for all newly created nodes
- * @param n    the node
- *
- * Set current_ir_graph to get_const_code_irg() to generate a constant
- * expression.
+ * @param dbg       debug info for all newly created nodes
+ * @param n         the node
+ * @param to_block  block to copy to
  */
 FIRM_API ir_node *copy_const_value(dbg_info *dbg, ir_node *n, ir_node *to_block);