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DFG inlines uses of for-each

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* module/language/cps/dfg.scm (for-each, for-each/2): Define inline
  versions of these.  Adapt callers.
This commit is contained in:
Andy Wingo 2014-03-17 10:10:36 +01:00
parent f883ae59a0
commit 48c2a5395a
1 changed files with 25 additions and 6 deletions
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31
module/language/cps/dfg.scm
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@ -72,6 +72,25 @@
dfa-var-idx dfa-var-name dfa-var-sym dfa-var-count
print-dfa))
;; These definitions are here because currently we don't do cross-module
;; inlining. They can be removed once that restriction is gone.
(define-inlinable (for-each f l)
(unless (list? l)
(scm-error 'wrong-type-arg "for-each" "Not a list: ~S" (list l) #f))
(let for-each1 ((l l))
(unless (null? l)
(f (car l))
(for-each1 (cdr l)))))
(define-inlinable (for-each/2 f l1 l2)
(unless (= (length l1) (length l2))
(scm-error 'wrong-type-arg "for-each" "List of wrong length: ~S"
(list l2) #f))
(let for-each2 ((l1 l1) (l2 l2))
(unless (null? l1)
(f (car l1) (car l2))
(for-each2 (cdr l1) (cdr l2)))))
(define (build-cont-table fun)
(fold-conts (lambda (k cont table)
(hashq-set! table k cont)
@ -808,14 +827,14 @@ BODY for each body continuation in the prompt."
(match exp
(($ $letk (($ $cont k cont) ...) body)
;; Set up recursive environment before visiting cont bodies.
(for-each (lambda (cont k)
(declare-block! k cont exp-k))
cont k)
(for-each visit cont k)
(for-each/2 (lambda (cont k)
(declare-block! k cont exp-k))
cont k)
(for-each/2 visit cont k)
(recur body))
(($ $kargs names syms body)
(for-each def! names syms)
(for-each/2 def! names syms)
(recur body))
(($ $kif kt kf)
@ -828,7 +847,7 @@ BODY for each body continuation in the prompt."
(($ $letrec names syms funs body)
(unless global?
(error "$letrec should not be present when building a local DFG"))
(for-each def! names syms)
(for-each/2 def! names syms)
(for-each (cut visit-fun <> conts blocks use-maps global?) funs)
(visit body exp-k))