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(Not quite finished, the following will be done tomorrow. module/srfi/*.scm module/rnrs/*.scm module/scripts/*.scm testsuite/*.scm guile-readline/* )
41 lines
1.4 KiB
Scheme
41 lines
1.4 KiB
Scheme
;;; Tree-il optimizer
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;; Copyright (C) 2009 Free Software Foundation, Inc.
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library 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 GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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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