;;; Abstract constant folding on CPS
;;; Copyright (C) 2014-2020, 2023 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 program.  If not, see
;;; <http://www.gnu.org/licenses/>.

;;; Commentary:
;;;
;;; This pass uses the abstract interpretation provided by type analysis
;;; to fold constant values and type predicates.  It is most profitably
;;; run after CSE, to take advantage of scalar replacement.
;;;
;;; Code:

(define-module (language cps type-fold)
  #:use-module (ice-9 match)
  #:use-module (language cps)
  #:use-module (language cps utils)
  #:use-module (language cps renumber)
  #:use-module (language cps types)
  #:use-module (language cps with-cps)
  #:use-module (language cps intmap)
  #:use-module (language cps intset)
  #:use-module (system base target)
  #:export (type-fold))