[haskell-llvm] patch: Vectors with Pos size, Arrays with Nat size

Henning Thielemann lemming at henning-thielemann.de
Sun Oct 10 11:07:18 EDT 2010

LLVM people say, that vectors never can have size zero. Thus I added Pos
constraint to all Vector operations. When adding these constraints, I
found missing Nat constraints for Array operations. When I inserted one
into the constraints of the GetElementPtr Array instance, HelloJIT did
no longer pass the type checker, because createString does not set the
array size. I added withString and withStringNul that reify the string

These changes are contained in the attached patch set.
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