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86e86ec1c7
* module/language/cps/elide-arity-checks.scm: New file. Elides argument count checks for known callers. * am/bootstrap.am (SOURCES): * module/Makefile.am (SOURCES): Add new file. * module/language/cps/optimize.scm (optimize-first-order-cps): * module/system/base/optimize.scm (available-optimizations): Add new pass.
71 lines
2.3 KiB
Scheme
71 lines
2.3 KiB
Scheme
;;; Optimization flags
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;; Copyright (C) 2018, 2020 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 (system base optimize)
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#:use-module (ice-9 match)
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#:export (available-optimizations
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pass-optimization-level
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optimizations-for-level))
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(define* (available-optimizations #:optional lang-name)
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(match lang-name
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('tree-il
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'((#:cps? 2)
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(#:resolve-primitives? 1)
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(#:expand-primitives? 1)
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(#:letrectify? 2)
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(#:seal-private-bindings? 3)
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(#:partial-eval? 1)
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(#:eta-expand? 2)))
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('cps
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'( ;; (#:split-rec? #t)
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(#:simplify? 2)
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(#:eliminate-dead-code? 2)
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(#:prune-top-level-scopes? 2)
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(#:contify? 2)
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(#:specialize-primcalls? 2)
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(#:peel-loops? 2)
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(#:cse? 2)
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(#:type-fold? 2)
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(#:elide-arity-checks? 2)
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(#:resolve-self-references? 2)
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(#:devirtualize-integers? 2)
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(#:specialize-numbers? 2)
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(#:optimize-branch-chains? 2)
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(#:licm? 2)
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(#:rotate-loops? 2)
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;; This one is used by the slot allocator.
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(#:precolor-calls? 2)))
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(#f
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(append (available-optimizations 'tree-il)
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(available-optimizations 'cps)))))
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(define (pass-optimization-level kw)
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(match (assq kw (available-optimizations))
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((kw level) level)
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(_ (error "unknown optimization" kw))))
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;; Turn on all optimizations unless -O0.
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(define (optimizations-for-level level)
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(let lp ((options (available-optimizations)))
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(match options
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(() '())
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(((kw at-level) . options)
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(cons* kw (<= at-level level) (lp options))))))
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