[llvm-commits] Fix for PR1798 (ScalarEvolution)

[Wojciech Matyjewicz]

Hi,

I've attached an updated version of the patch. It is ready for using
support for APInts in the code generator, but currently it doesn't rely
on this feature. I've added a hack that rounds up the computation
bitwidth to power of 2 (only these bitwidths are allowed: 1, 2, ...,
64). Hack is visible and very easy to remove in future.

Is it safe to commit it now?

-Wojtek

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