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recognize long form of call/cc in optimization

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original commit: 05c31cd27455bce6d122188da14b4973d8a49d7a
This commit is contained in:
Matthew Flatt 2020-03-13 08:14:39 -06:00
parent 5f57648104
commit 840e5143e2
1 changed files with 2 additions and 1 deletions
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s/cpnanopass.ss
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@ -1728,7 +1728,8 @@
[(call ,info ,mdcl ,pr
(case-lambda ,info2 (clause (,x) ,interface ,[body (->in-get-cont mode) -> body])))
(guard (and (memq mode '(tail tail/none tail/some tail/reified))
(eq? (primref-name pr) 'call/cc)
(or (eq? (primref-name pr) 'call/cc)
(eq? (primref-name pr) 'call-with-current-continuation))
(= interface 1)))
;; Since we're in tail position, we can just reify the continuation and
;; put the stack link in the argument variable.