-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Christian Schaefer
-*
-* irflag --- optimization flags
-*/
+/*
+ * Project: libFIRM
+ * File name: ir/ir/irflag.c
+ * Purpose: Flags to control optimizations.
+ * Author: Christian Schaefer, Goetz Lindenmaier
+ * Modified by:
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1999-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
-/* $Id$ */
#ifdef HAVE_CONFIG_H
# include <config.h>
/* 0 - don't do this optimization
1 - lets see, if there is a better graph */
-int optimized = 1; /* Turn off all optimizations */
-
-int opt_cse = 1; /* Hash the nodes */
-int opt_global_cse = 0; /* Don't use block predecessor for comparison */
-/* @@@ 0 solage code placement fehlt */
-int opt_constant_folding = 1; /* Evaluate operations */
-int opt_unreachable_code = 1; /* Bad node propagation */
+int optimized = 1; /* Turn off all optimizations. */
+
+int opt_cse = 1; /* Hash the nodes. */
+int opt_global_cse = 0; /* Don't use block predecessor for comparison.
+ Default must be zero as code placement must
+ be run right after a local optimize walk with
+ opt_global_cse on. */
+int opt_constant_folding = 1; /* Evaluate operations. */
+int opt_unreachable_code = 1; /* Bad node propagation. */
int opt_control_flow_straightening = 1; /* */
-int opt_control_flow_weak_simplification = 1; /* */
-int opt_control_flow_strong_simplification = 1; /* */
+int opt_control_flow_weak_simplification = 1; /* */
+int opt_control_flow_strong_simplification = 1; /* */
int opt_critical_edges = 1;
-int opt_dead_node_elimination = 1; /* Reclaim memory */
-int opt_reassociation = 1; /* Reassociate nodes */
-int opt_inline = 1; /* Do inlining transformation */
+int opt_dead_node_elimination = 1; /* Reclaim memory. */
+int opt_reassociation = 1; /* Reassociate nodes. */
+int opt_inline = 1; /* Do inlining transformation. */
+int opt_dyn_meth_dispatch = 1; /* Remove dynamic method dispatch. */
+
+int opt_normalize = 1; /* Transformations that normalize the firm representation
+ as removing Ids and Tuples, useless Phis, SymConst(id) ->
+ Const(entity) ... */
/* set the flags with set_flagname, get the flag with get_flagname */
INLINE void
INLINE int get_opt_inline (void) {
return opt_inline;
}
+
+/** Enable/Disable optimization of dynamic method dispatch
+ *
+ * This flag enables/disables the optimization of dynamic method dispatch.
+ * If the flag is turned on Sel nodes can be replaced by Const nodes representing
+ * the address of a function.
+ */
+void set_opt_dyn_meth_dispatch (int value) {
+ opt_dyn_meth_dispatch = value;
+}
+int get_opt_dyn_meth_dispatch (void) {
+ return opt_dyn_meth_dispatch;
+}
+
+
+
+INLINE void set_opt_normalize (int value) {
+ opt_normalize = value;
+}
+
+INLINE int get_opt_normalize (void) {
+ return opt_normalize;
+}