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(* M2Optimize.def removes redundant quadruples.
Copyright (C) 2001-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Modula-2; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. *)
DEFINITION MODULE M2Optimize ;
(*
Title : M2Optimize.def
Author : Gaius Mulley
System : UNIX (gm2)
Date : Fri Aug 20 14:51:00 1999
Description: provides a very simple branch optimization module so that
we dont give too many redundant gotos to gcc.
*)
EXPORT QUALIFIED FoldBranches, RemoveProcedures, DisplayReachable ;
(*
FoldBranches - folds unneccessary branches in the list of quadruples.
*)
PROCEDURE FoldBranches (start, end: CARDINAL) ;
(*
RemoveProcedures - removes any procedures that are never referenced
by the quadruples.
*)
PROCEDURE RemoveProcedures (scope: CARDINAL) ;
(*
DisplayReachable - displays the data structures surrounding Reachablity.
*)
PROCEDURE DisplayReachable ;
END M2Optimize.
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