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Diffstat (limited to 'module/language/tree-il/optimize.scm')
-rw-r--r-- | module/language/tree-il/optimize.scm | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/module/language/tree-il/optimize.scm b/module/language/tree-il/optimize.scm new file mode 100644 index 000000000..3a02e021e --- /dev/null +++ b/module/language/tree-il/optimize.scm @@ -0,0 +1,42 @@ +;;; Tree-il optimizer + +;; Copyright (C) 2009 Free Software Foundation, Inc. + +;; This program 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 2, or (at your option) +;; any later version. +;; +;; This program 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 this program; see the file COPYING. If not, write to +;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;;; Code: + +(define-module (language tree-il optimize) + #:use-module (language tree-il) + #:use-module (language tree-il primitives) + #:export (optimize!)) + +(define (env-module e) + (if e (car e) (current-module))) + +(define (optimize! x env opts) + (expand-primitives! (resolve-primitives! x (env-module env)))) + +;; Possible optimizations: +;; * constant folding, propagation +;; * procedure inlining +;; * always when single call site +;; * always for "trivial" procs +;; * otherwise who knows +;; * dead code elimination +;; * degenerate case optimizations +;; * "fixing letrec" + |