[cfe-dev] RFC for Arbitrary Precision Integers-

[Keane, Erich via cfe-dev]

Hi all, I've just uploaded a review here: https://reviews.llvm.org/D59105

A little more than a year ago, I created an arbitrary precision integer for an internal customer, and have now been cleared to release this to community.  I'm hoping that this will be sufficiently interesting to others to be of value.

The "elevator pitch" is that we expose the iN LLVM-IR integer types in Clang such that a sufficiently motivated code generator could take advantage of the smaller sizes.  This is particularly useful for FPGAs, though I'd imagine other users are around.

There are further details in the commit message, and I would love review input both from a high level perspective as well as a code review on this.

Thanks,
Erich
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