#4978: Continuation passing style loop doesn't compile into a loop
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Reporter: tibbe | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.4.1
Component: Compiler | Version: 7.0.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by tibbe):
The current HEAD now generates good core for `Repro3.hs`, thanks to Simon
Marlow. However, I've attached a more difficult (but real life) test case
that still causes a closure to be allocated each time around the loop.
The main difference from `Repro3.hs` is that we now write four bytes at
the time, increasing the size of the loop body a little bit.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4978#comment:20>
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