irop_flag_highlevel flag added to Confirm and Cast

[libfirm] / ir / ir / irop_t.h

diff --git a/ir/ir/irop_t.h b/ir/ir/irop_t.h
index bc90a9a..84e8a1b 100644 (file)
--- a/ir/ir/irop_t.h
+++ b/ir/ir/irop_t.h
@@ -36,13 +36,16 @@ typedef enum {
 
 /** The irop flags */
 typedef enum {
+  irop_flag_none        = 0x00000000, /**< nothing */
   irop_flag_labeled     = 0x00000001,  /**< if set, Output edge labels on in-edges in vcg graph */
   irop_flag_commutative = 0x00000002,  /**< operation is commutative */
-  irop_flag_cfopcode    = 0x00000004,   /**< is a control flow operation */
+  irop_flag_cfopcode    = 0x00000004, /**< is a control flow operation */
   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_flag_forking     = 0x00000020, /**< the operation is a forking control flow */
+  irop_flag_highlevel   = 0x00000040, /**< the operation is a pure high-level one and can be
+                                           skipped in low-level optimizations */
 } irop_flags;
 
 
@@ -51,17 +54,17 @@ typedef enum {
  * This operation evaluates an IR node into a tarval if possible,
  * returning tarval_bad otherwise.
  */
-typedef tarval *(*computed_value_func)(ir_node *n);
+typedef tarval *(*computed_value_func)(ir_node *self);
 
 /**
  * The equivalent node operation.
  * This operation returns an equivalent node for the input node.
- * It does not create new nodes.  It is therefore safe to free n
- * if the node returned is not n.
+ * It does not create new nodes.  It is therefore safe to free self
+ * if the node returned is not self.
  * If a node returns a Tuple we can not just skip it.  If the size of the
  * in array fits, we transform n into a tuple (e.g., possible for Div).
  */
-typedef ir_node *(*equivalent_node_func)(ir_node *n);
+typedef ir_node *(*equivalent_node_func)(ir_node *self);
 
 /**
  * The transform node operation.
@@ -71,7 +74,7 @@ typedef ir_node *(*equivalent_node_func)(ir_node *n);
  * transformations _do_ generate new nodes, and thus the old node must
  * not be freed even if the equivalent node isn't the old one.
  */
-typedef ir_node *(*transform_node_func)(ir_node *n);
+typedef ir_node *(*transform_node_func)(ir_node *self);
 
 /**
  * The node attribute compare operation.
@@ -95,6 +98,30 @@ typedef int (*reassociate_func)(ir_node **n);
  */
 typedef void (*copy_attr_func)(const ir_node *old_node, ir_node *new_node);
 
+/**
+ * The get_type operation.
+ * Return the type of the node self.
+ */
+typedef type *(*get_type_func)(ir_node *self);
+
+/**
+ * The verify_node operation.
+ * Return non-zero if the node verification is ok, else 0.
+ * Depending on the node verification settings, may even assert.
+ *
+ * @see do_node_verification()
+ */
+typedef int (*verify_node_func)(ir_node *self, ir_graph *irg);
+
+/**
+ * The verify_node operation for Proj(X).
+ * Return non-zero if the node verification is ok, else 0.
+ * Depending on the node verification settings, may even assert.
+ *
+ * @see do_node_verification()
+ */
+typedef int (*verify_proj_node_func)(ir_node *self, ir_node *proj);
+
 /** The type of an ir_op. */
 struct ir_op {
   opcode code;            /**< the unique opcode of the op */
@@ -106,12 +133,15 @@ struct ir_op {
   unsigned flags;         /**< flags describing the behavior of the ir_op, a bitmaks of irop_flags */
 
   /* CallBacks */
-  computed_value_func  computed_value;         /**< evaluates a node into a tarval if possible. */
+  computed_value_func    computed_value;               /**< evaluates a node into a tarval if possible. */
   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 */
+  get_type_func         get_type;               /**< return the type of a node */
+  verify_node_func      verify_node;            /**< verify the node */
+  verify_proj_node_func verify_proj_node;       /**< verify the Proj node */
 };
 
 /**
@@ -119,14 +149,14 @@ struct ir_op {
  *
  * @param code      the opcode, one of type \c opcode
  * @param name      the printable name of this opcode
- * @param p         wheater operations of this opcode are op_pin_state_pinned or floating
+ * @param p         whether operations of this opcode are op_pin_state_pinned or floating
  * @param flags     a bitmask of irop_flags describing the behavior of the ir operation
  * @param opar      the parity of this ir operation
  * @param op_index  if the parity is oparity_unary, oparity_binary or oparity_trinary the index
  *                  of the left operand
  * @param attr_size attribute size for this ir operation
  *
- * @return The genenerated ir operation.
+ * @return The generated ir operation.
  */
 ir_op * new_ir_op(opcode code, const char *name, op_pin_state p,
                   unsigned flags, op_arity opar, int op_index, size_t attr_size);
@@ -180,6 +210,11 @@ static INLINE int is_op_forking(const ir_op *op) {
   return op->flags & irop_flag_forking;
 }
 
+/* Returns non-zero if operation is a high-level op */
+static INLINE int is_op_highlevel(const ir_op *op) {
+  return op->flags & irop_flag_highlevel;
+}
+
 static INLINE opcode __get_op_code(const ir_op *op) {
   return op->code;
 }