Added support for out edges.

[libfirm] / ir / ir / irop_t.h

diff --git a/ir/ir/irop_t.h b/ir/ir/irop_t.h
index 2dedc1d..a4b193c 100644 (file)
--- a/ir/ir/irop_t.h
+++ b/ir/ir/irop_t.h
@@ -41,6 +41,7 @@ typedef enum {
   irop_flag_ip_cfopcode = 0x00000008,  /**< operation manipulates interprocedural control flow */
   irop_flag_fragile     = 0x00000010,  /**< set if the operation can change the control flow because
                                              of an exception */
+  irop_flag_forking     = 0x00000020,   /**< the operation is a forking control flow */
 } irop_flags;
 
 
@@ -78,6 +79,19 @@ typedef ir_node *(*transform_node_func)(ir_node *n);
  */
 typedef int (*node_cmp_attr_func)(ir_node *a, ir_node *b);
 
+/**
+ * The reassociation operation.
+ * Called from a walker.  Returns non-zero if
+ * a reassociation rule was applied.
+ */
+typedef int (*reassociate_func)(ir_node *n);
+
+/**
+ * The copy attribute operation.
+ * Copy the node attributes from a 'old' node to a 'new' one.
+ */
+typedef void (*copy_attr_func)(const ir_node *old_node, ir_node *new_node);
+
 /** The type of an ir_op. */
 struct ir_op {
   opcode code;            /**< the unique opcode of the op */
@@ -93,6 +107,8 @@ struct ir_op {
   equivalent_node_func  equivalent_node;       /**< optimizes the node by returning an equivalent one. */
   transform_node_func   transform_node;                /**< optimizes the node by transforming it. */
   node_cmp_attr_func    node_cmp_attr;         /**< compares two node attributes. */
+  reassociate_func      reassociate;            /**< reassociate a tree */
+  copy_attr_func        copy_attr;              /**< copy node attributes */
 };
 
 /**
@@ -123,6 +139,12 @@ void init_op(void);
 /** Free memory used by irop module. */
 void finish_op(void);
 
+/**
+ * Copies simply all attributes stored in the old node to the new node.
+ * Assumes both have the same opcode and sufficient size.
+ */
+void default_copy_attr(const ir_node *old_node, ir_node *new_node);
+
 /** Returns the attribute size of nodes of this opcode.
    @note Use not encouraged, internal feature. */
 static INLINE int get_op_attr_size (const ir_op *op) {
@@ -150,4 +172,27 @@ static INLINE int is_op_fragile(const ir_op *op) {
   return op->flags & irop_flag_fragile;
 }
 
+/* Returns non-zero if operation is forking control flow */
+static INLINE int is_op_forking(const ir_op *op) {
+  return op->flags & irop_flag_forking;
+}
+
+static INLINE opcode __get_op_code(const ir_op *op) {
+  return op->code;
+}
+
+static INLINE ident *__get_op_ident(const ir_op *op){
+  return op->name;
+}
+
+static INLINE op_pin_state __get_op_pinned(const ir_op *op) {
+  return op->op_pin_state_pinned;
+}
+
+
+#define get_op_code(op)         __get_op_code(op)
+#define get_op_ident(op)        __get_op_ident(op)
+#define get_op_pinned(op)       __get_op_pinned(op)
+
+
 #endif /* _IROP_T_H_ */