X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firopt_t.h;h=ebf8cad114f64f5ac0a71f826009374fca39a0c3;hb=b3257419caea250bb89cde376f88375bc89d2a18;hp=dd7964888c4076357f6f88dc80ba0e892b13e35a;hpb=d1f024102cea81017877ff94ca27a0840b76fcb3;p=libfirm

diff --git a/ir/ir/iropt_t.h b/ir/ir/iropt_t.h
index dd7964888..ebf8cad11 100644
--- a/ir/ir/iropt_t.h
+++ b/ir/ir/iropt_t.h
@@ -21,7 +21,6 @@
  * @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
@@ -125,21 +124,25 @@ static inline ir_tarval *value_of(const ir_node *n)
  */
 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);
+
 /**
- * Sets the default operations for an ir_op_ops.
- *
- * @param code   the opcode for the default operation
- * @param ops    the operations initialized
- *
- * @return
- *    The operations.
+ * 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.
  */
-ir_op_ops *firm_set_default_operations(unsigned code, ir_op_ops *ops);
+bool ir_is_optimizable_mux(const ir_node *sel, const ir_node *mux_false,
+                           const ir_node *mux_true);
 
-int ir_mux_is_abs(const ir_node *sel, const ir_node *mux_true,
-                  const ir_node *mux_false);
+/**
+ * Returns true if Conv_m0(Conv_m1( x_m2)) is equivalent to Conv_m0(x_m2)
+ */
+bool may_leave_out_middle_conv(ir_mode *m0, ir_mode *m1, ir_mode *m2);
 
-ir_node *ir_get_abs_op(const ir_node *sel, ir_node *mux_true,
-                       ir_node *mux_false);
+void ir_register_opt_node_ops(void);
 
 #endif