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55ae815b62
* module/language/tree-il/optimize.scm: * module/language/tree-il/primitives.scm: Move primitive-related things to primitive.scm from inline.scm and optimize.scm. * module/Makefile.am: Update for inventory changes.
42 lines
1.4 KiB
Scheme
42 lines
1.4 KiB
Scheme
;;; Tree-il optimizer
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;; Copyright (C) 2009 Free Software Foundation, Inc.
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program; see the file COPYING. If not, write to
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;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Code:
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(define-module (language tree-il optimize)
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#:use-module (language tree-il)
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#:use-module (language tree-il primitives)
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#:export (optimize!))
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(define (env-module e)
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(if e (car e) (current-module)))
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(define (optimize! x env opts)
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(expand-primitives! (resolve-primitives! x (env-module env))))
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;; Possible optimizations:
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;; * constant folding, propagation
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;; * procedure inlining
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;; * always when single call site
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;; * always for "trivial" procs
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;; * otherwise who knows
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;; * dead code elimination
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;; * degenerate case optimizations
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;; * "fixing letrec"
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