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;;; Optimization flags
;; Copyright (C) 2018 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 (system base optimize)
#:use-module (language tree-il optimize)
#:use-module (language cps optimize)
#:use-module (ice-9 match)
#:export (available-optimizations
pass-optimization-level
optimizations-for-level))
(define (available-optimizations)
(append (tree-il-optimizations) (cps-optimizations)))
(define (pass-optimization-level kw)
(match (assq kw (available-optimizations))
((kw level) level)
(_ (error "unknown optimization" kw))))
;; Turn on all optimizations unless -O0.
(define (optimizations-for-level level)
(let lp ((options (available-optimizations)))
(match options
(() '())
(((kw at-level) . options)
(cons* kw (<= at-level level) (lp options))))))
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