X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firopt_t.h;h=468b3822744b9654bc4793e435b63b30a13046d6;hb=daba4aa82ec48b142c6d48d9a4b2d0bfffc92683;hp=745bde8e23e46277a00016fb42f31b2005b933cb;hpb=bb9f2e36362333c6635b89f5258171b06c786608;p=libfirm

diff --git a/ir/ir/iropt_t.h b/ir/ir/iropt_t.h
index 745bde8e2..468b38227 100644
--- a/ir/ir/iropt_t.h
+++ b/ir/ir/iropt_t.h
@@ -21,11 +21,11 @@
  * @file
  * @brief    iropt --- optimizations intertwined with IR construction -- private header.
  * @author   Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
- * @version  $Id$
  */
 #ifndef FIRM_IR_IROPT_T_H
 #define FIRM_IR_IROPT_T_H
 
+#include <stdbool.h>
 #include "irop_t.h"
 #include "iropt.h"
 #include "irnode_t.h"
@@ -51,21 +51,20 @@ ir_node *equivalent_node(ir_node *n);
 /**
  * Creates a new value table used for storing CSE identities.
  * The value table is used to identify common expressions.
- *
  */
-pset *new_identities(void);
+void new_identities(ir_graph *irg);
 
 /**
  * Deletes a identities value table.
  *
  * @param value_table  the identity set
  */
-void del_identities(pset *value_table);
+void del_identities(ir_graph *irg);
 
 /**
  * Add a node to the identities value table.
  */
-void add_identities(pset *value_table, ir_node *node);
+void add_identities(ir_node *node);
 
 /**
  * Compare function for two nodes in the hash table. Gets two
@@ -78,11 +77,19 @@ int identities_cmp(const void *elt, const void *key);
  * Looks up the node in a hash table, enters it in the table
  * if it isn't there yet.
  */
-ir_node *identify_remember(pset *value_table, ir_node *n);
+ir_node *identify_remember(ir_node *n);
 
 /** Visit each node in the value table of a graph. */
 void visit_all_identities(ir_graph *irg, irg_walk_func visit, void *env);
 
+/**
+ * Normalize a node by putting constants (and operands with larger
+ * node index) on the right (operator side).
+ *
+ * @param n   The node to normalize
+ */
+void ir_normalize_node(ir_node *n);
+
 ir_node *optimize_node(ir_node *n);
 
 ir_node *optimize_in_place_2(ir_node *n);
@@ -93,7 +100,7 @@ ir_node *optimize_in_place_2(ir_node *n);
  * returning tarval_bad otherwise.
  * No calculations are done here, just a lookup.
  */
-typedef tarval *(*value_of_func)(const ir_node *self);
+typedef ir_tarval *(*value_of_func)(const ir_node *self);
 
 extern value_of_func value_of_ptr;
 
@@ -107,20 +114,69 @@ void set_value_of_func(value_of_func func);
 /**
  * Returns the associated tarval of a node.
  */
-static inline tarval *
-value_of(const ir_node *n) {
+static inline ir_tarval *value_of(const ir_node *n)
+{
 	return value_of_ptr(n);
 }
 
 /**
- * Sets the default operations for an ir_op_ops.
+ * returns true if a value becomes zero when converted to mode @p mode
+ */
+bool ir_zero_when_converted(const ir_node *node, ir_mode *dest_mode);
+
+int ir_mux_is_abs(const ir_node *sel, const ir_node *mux_false,
+                  const ir_node *mux_true);
+
+ir_node *ir_get_abs_op(const ir_node *sel, ir_node *mux_false,
+                       ir_node *mux_true);
+
+/**
+ * return true if the Mux node will be optimized away. This can be used for
+ * the if-conversion callback. Allowing these Muxes should be always safe, even
+ * if the backend cannot handle them.
+ */
+bool ir_is_optimizable_mux(const ir_node *sel, const ir_node *mux_false,
+                           const ir_node *mux_true);
+
+/**
+ * Set the default hash operation in an ir_op_ops.
  *
  * @param code   the opcode for the default operation
  * @param ops    the operations initialized
+ */
+void firm_set_default_hash(unsigned code, ir_op_ops *ops);
+
+/**
+ * Set the default computed_value evaluator in an ir_op_ops.
  *
- * @return
- *    The operations.
+ * @param code   the opcode for the default operation
+ * @param ops    the operations initialized
  */
-ir_op_ops *firm_set_default_operations(ir_opcode code, ir_op_ops *ops);
+void firm_set_default_computed_value(ir_opcode code, ir_op_ops *ops);
+
+/**
+ * Sets the default equivalent node operation for an ir_op_ops.
+ *
+ * @param code   the opcode for the default operation
+ * @param ops    the operations initialized
+ */
+void firm_set_default_equivalent_node(ir_opcode code, ir_op_ops *ops);
+
+/**
+ * Sets the default transform node operation for an ir_op_ops.
+ *
+ * @param code   the opcode for the default operation
+ * @param ops    the operations initialized
+ */
+void firm_set_default_transform_node(ir_opcode code, ir_op_ops *ops);
+
+/**
+ * Set the default node attribute compare operation for an ir_op_ops.
+ *
+ * @param code   the opcode for the default operation
+ * @param ops    the operations initialized
+ */
+void firm_set_default_node_cmp_attr(ir_opcode code, ir_op_ops *ops);
+
 
 #endif