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optimize.scm
;;; Tree-il optimizer ;; Copyright (C) 2009, 2011, 2012 Free Software Foundation, Inc. ;;;; This library is free software; you can redistribute it and/or ;;;; modify it under the terms of the GNU Lesser General Public ;;;; License as published by the Free Software Foundation; either ;;;; version 3 of the License, or (at your option) any later version. ;;;; ;;;; This library 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 ;;;; Lesser General Public License for more details. ;;;; ;;;; You should have received a copy of the GNU Lesser General Public ;;;; License along with this library; if not, write to the Free Software ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;;; Code: (define-module (language tree-il optimize) #:use-module (language tree-il) #:use-module (language tree-il primitives) #:use-module (language tree-il peval) #:use-module (language tree-il cse) #:use-module (language tree-il fix-letrec) #:use-module (language tree-il debug) #:use-module (ice-9 match) #:export (optimize!)) (define (optimize! x env opts) (let ((peval (match (memq #:partial-eval? opts) ((#:partial-eval? #f _ ...) ;; Disable partial evaluation. (lambda (x e) x)) (_ peval))) (cse (match (memq #:cse? opts) ((#:cse? #f _ ...) ;; Disable CSE. (lambda (x) x)) (_ cse)))) (fix-letrec! (verify-tree-il (cse (verify-tree-il (peval (expand-primitives! (resolve-primitives! x env)) env)))))))