#5369: Vectoriser depends in too-fragile a way on the type constraint solver
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Reporter: simonpj | Owner: chak
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.0.4
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Changes (by chak):
* owner: => chak
Comment:
We agreed to handle this problem in two stages:
1. For the moment, the pragmas will be restricted to be of the form `{-#
VECTORISE f = g #-}`, where `g` is an identifier. Then, we need no type
inference for the right-hand side of the pragma.
2. Once the vectoriser got to a point, where we can call
`Vectorise.Type.vectType` from the type checker, we will reinstate the
more general form of the pragma again in a more robust form (where the
type checker generates a suitable wrapper.)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5369#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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