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guile/module/language/tree-il/optimize.scm
Andy Wingo 25450a0d0e Pre-order tree-il rewrites are now non-destructive
* module/language/tree-il.scm (pre-order): Re-implement in terms of
  pre-post-order, and rename from pre-order!.

* module/language/tree-il/primitives.scm (expand-primitives): Adapt to
  pre-order change, and rename from expand-primitives!.

* module/language/tree-il/optimize.scm (optimize): Adapt to
  expand-primitives! change, and rename from optimize!.

* module/language/tree-il/compile-glil.scm:
* module/system/repl/common.scm:
* test-suite/tests/cse.test:
* test-suite/tests/peval.test:
* test-suite/tests/tree-il.test: Adapt to expand-primitives and optimize
  changes.
2013-06-10 22:46:08 +02:00

47 lines
1.7 KiB
Scheme

;;; Tree-il optimizer
;; Copyright (C) 2009, 2011, 2012, 2013 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)))))))