/*
 * Project:     libFIRM
 * File name:   ir/ir/irflag_t.def
 * Purpose:     Flags to control optimizations, inline implementation.
 * Author:      Michael Beck
 * Created:
 * CVS-ID:      $Id$
 * Copyright:   (c) 1998-2004 Universität Karlsruhe
 * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
 */

/** Turn off all optimizations. */
I_FLAG(optimize                           , 0, ON)

/** Common subexpression eliminations: Hash the nodes. */
E_FLAG(cse                                , 1, ON)

/** Don't use block predecessor for comparison.
 *  Default must be zero as code placement must
 *  be run right after a local optimize walk with
 *  global_cse on. */
I_FLAG(global_cse                         , 2, OFF)

/** Evaluate operations. */
I_FLAG(constant_folding                   , 3, ON)

/** Bad node propagation. */
I_FLAG(unreachable_code                   , 4, ON)

/** */
I_FLAG(control_flow_straightening         , 5, ON)

/** */
I_FLAG(control_flow_weak_simplification   , 6, ON)

/** */
I_FLAG(control_flow_strong_simplification , 7, ON)

/** Reclaim memory. */
I_FLAG(dead_node_elimination              , 8, ON)

/** Reassociate nodes. */
I_FLAG(reassociation                      , 9, ON)

/** Do inlining transformation. */
I_FLAG(inline                             , 10, ON)

/** Remove dynamic method dispatch. */
E_FLAG(dyn_meth_dispatch                  , 11, ON)

/** Transformations that normalize the firm representation
 *  as removing Ids and Tuples, useless Phis, SymConst(id) -> Const(entity) ...
 */
I_FLAG(normalize                          , 12, ON)

/** Remove tail-recursion. */
I_FLAG(tail_recursion                     , 13, ON)

/** Free never called methods */
I_FLAG(dead_method_elimination            , 14, ON)

/** precise exception context */
I_FLAG(precise_exc_context                , 15, ON)

/** Do loop unrolling */
I_FLAG(loop_unrolling                     , 16, OFF)	/* currently buggy, 2.1.2006 */

/** Do Strength reduction */
I_FLAG(strength_red                       , 17, ON)

/** Optimize Loads and Stores */
I_FLAG(redundant_loadstore                , 18, 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)

/** Optimize cast nodes. */
E_FLAG(optimize_class_casts               , 22, ON)
E_FLAG(suppress_downcast_optimization     , 23, OFF)

/** Not really an optimization, removes Confirm nodes. */
I_FLAG(remove_confirm                     , 24, OFF)

/** Scalar replacement. */
I_FLAG(scalar_replacement                 , 25, ON)

/** Load and Store have only Null exceptions. */
I_FLAG(ldst_only_null_ptr_exceptions      , 26, ON)

/** Sel-based Null-pointer check elimination. */
I_FLAG(sel_based_null_check_elim          , 27, OFF)

/** Automatically create Sync node during construction. */
I_FLAG(auto_create_sync                   , 28, OFF)

/** Enable Alias-analysis. */
I_FLAG(alias_analysis                     , 29, ON)

/** Closed world assumption. */
I_FLAG(closed_world                       , 31, OFF)