+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
/*
* Project: libFIRM
* File name: ir/opt/ifconv.h
* Created:
* CVS-ID: $Id$
* Copyright: (c) 1998-2005 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
#ifndef _FIRM_IF_CONV_H
#define _FIRM_IF_CONV_H
* of the current architecture.
* If it returns non-zero, a mux is created, else the code
* is not modified.
+ * @param sel A selector of a Cond.
+ * @param phi_list List of Phi nodes about to be converted (linked via link field)
+ * @param i First data predecessor involved in if conversion
+ * @param j Second data predecessor involved in if conversion
*/
-typedef int (*arch_allow_mux_func)(ir_node *sel, ir_node *false_res, ir_node *true_res);
+typedef int (*arch_allow_ifconv_func)(ir_node *sel, ir_node* phi_list, int i, int j);
/**
* The parameters structure.
int max_depth; /**< The maximum depth up to which expressions
are examined when it has to be decided if they
can be placed into another block. */
- arch_allow_mux_func allow_mux; /**< Evaluator function, if not set all possible Mux
+ arch_allow_ifconv_func allow_ifconv; /**< Evaluator function, if not set all possible Psi
nodes will be created. */
} opt_if_conv_info_t;
/**
* Perform If conversion on a graph.
+ *
* @param irg The graph.
* @param params The parameters for the if conversion.
+ *
+ * Cannot handle blocks with Bad control predecessors, so call it after control
+ * flow optimization.
*/
void opt_if_conv(ir_graph *irg, const opt_if_conv_info_t *params);
-#endif
+#endif /* _FIRM_IF_CONV_H */