* @version $Id$
*/
+/*
+ * We have 3 kinds of flags:
+ * I_FLAGS are INTERNAL flags: The is only a public set_opt_<flag> function
+ * E_FLAGS are EXTERNAL flags: Public get_opt_<flag> and set_opt_<flag> fucntions exists
+ * R_FLAGS are RUNNING flags: Use only internally in libfirm to indicate running states
+ */
+
/** Turn off all optimizations. */
I_FLAG(optimize , 0, ON)
/** Optimize Fragile OPs */
I_FLAG(fragile_ops , 19, OFF)
-/** If conversion. */
-I_FLAG(if_conversion , 20, OFF)
-
/** Optimize function calls. */
-I_FLAG(function_call , 21, ON)
+I_FLAG(function_call , 20, ON)
/** Optimize cast nodes. */
-E_FLAG(optimize_class_casts , 22, ON)
-E_FLAG(suppress_downcast_optimization , 23, OFF)
+E_FLAG(optimize_class_casts , 21, ON)
+E_FLAG(suppress_downcast_optimization , 22, OFF)
/** Not really an optimization, removes Confirm nodes. */
-I_FLAG(remove_confirm , 24, OFF)
+I_FLAG(remove_confirm , 23, OFF)
/** Scalar replacement. */
-I_FLAG(scalar_replacement , 25, ON)
+I_FLAG(scalar_replacement , 24, ON)
/** Load and Store have only Null exceptions. */
-I_FLAG(ldst_only_null_ptr_exceptions , 26, ON)
+I_FLAG(ldst_only_null_ptr_exceptions , 25, ON)
/** Sel-based Null-pointer check elimination. */
-I_FLAG(sel_based_null_check_elim , 27, OFF)
+I_FLAG(sel_based_null_check_elim , 26, OFF)
/** Automatically create Sync node during construction. */
-I_FLAG(auto_create_sync , 28, OFF)
+I_FLAG(auto_create_sync , 27, OFF)
/** Enable Alias-analysis. */
-I_FLAG(alias_analysis , 29, ON)
+I_FLAG(alias_analysis , 28, ON)
/** Closed world assumption. */
I_FLAG(closed_world , 31, OFF)
+
+/* -------------------- RUNNING flags ------------------- */
+
+/** This flag is set while the reassociation optimizations are running */
+R_FLAG(reassoc , 0)
+
+/** This flag is set while architecture dependent optimizations are running */
+R_FLAG(arch_dep , 0)