X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgopt.h;h=e85fd4e6548c0eba606c8c8956dfad8886c87ad3;hb=e570f00fb465d212dde403160e97ab45d36d1d7e;hp=e61a3f9f41e0e81b630585740abfd57c5da3fb68;hpb=c0a3ef9c27024237e3ca3781266fc675c13c384c;p=libfirm diff --git a/ir/ir/irgopt.h b/ir/ir/irgopt.h index e61a3f9f4..e85fd4e65 100644 --- a/ir/ir/irgopt.h +++ b/ir/ir/irgopt.h @@ -1,16 +1,22 @@ -/* Copyright (C) 1998 - 2001 by Universitaet Karlsruhe -* All rights reserved. -*/ +/* + * Project: libFIRM + * File name: ir/ir/irgopt.h + * Purpose: Optimizations for a whole ir graph, i.e., a procedure. + * Author: Christian Schaefer, Goetz Lindenmaier + * Modified by: Sebastian Felis + * Created: + * CVS-ID: $Id$ + * Copyright: (c) 1998-2003 Universität Karlsruhe + * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + */ /** -* @file irgopt.h -* -* Optimizations for a whole ir graph, i.e., a procedure. -* -* @author Christian Schaefer, Goetz Lindenmaier -*/ - -/* $Id$ */ + * @file irgopt.h + * + * Optimizations for a whole ir graph, i.e., a procedure. + * + * @author Christian Schaefer, Goetz Lindenmaier + */ # ifndef _IRGOPT_H_ # define _IRGOPT_H_ @@ -32,6 +38,8 @@ void local_optimize_graph (ir_graph *irg); Backedge information is conserved. Removes old attributes of nodes. Sets link field to NULL. + Callee information must be freed (irg_callee_info_none). + Attention: the numbers assigned to nodes if the library is compiled for development/debugging are not conserved by copying. */ void dead_node_elimination(ir_graph *irg); @@ -83,6 +91,27 @@ void inline_method(ir_node *call, ir_graph *called_graph); combination as control flow operation. */ void inline_small_irgs(ir_graph *irg, int size); + +/** Inlineing with a different heuristic than inline_small_irgs. + * + * Inlines leave functions. If inlinening creates new leave + * function inlines these, too. (If g calls f, and f calls leave h, + * h is first inlined in f and then f in g.) + * + * Then inlines all small functions (this is not recursive). + * + * For a heuristic this inlineing uses firm node counts. It does + * not count auxiliary nodes as Proj, Tuple, End, Start, Id, Sync. + * + * maxsize Do not inline any calls if a method has more than + * maxsize firm nodes. It may reach this limit by + * inlineing. + * leavesize Inline leave functions if they have less than leavesize + * nodes. + * size Inline all function smaller than size. + */ +void inline_leave_functions(int maxsize, int leavesize, int size); + /** Code Placement. Pinns all floating nodes to a block where they will be executed only if needed. Depends on the flag opt_global_cse. Graph may not be in phase_building. Does not schedule control dead @@ -114,12 +143,15 @@ void place_code(ir_graph *irg); */ void optimize_cf(ir_graph *irg); + /** Places an empty basic block on critical control flow edges thereby removing them. - A critical control flow edge is an edge from a block with several control exits to a block with several control entries (See Muchnic - p. 407). */ + p. 407). + Is only executed if flag set_opt_critical_edges() is set. + @param irg IR Graph +*/ void remove_critical_cf_edges(ir_graph *irg); # endif /* _IRGOPT_H_ */