[PATCH] D135158: [DataLayout] Introduce DataLayout::getPointerIntegralSize(AS)

[David Chisnall via Phabricator via llvm-commits]

theraven added a comment.

In D135158#3836839 <https://reviews.llvm.org/D135158#3836839>, @jrtc27 wrote:

> Except then you can't do `unsigned long x = (unsigned long)&y` as intrinsics are not constant expressions. Non-integral pointers are too strict for CHERI as things stand, we want a subset of their behaviour.

You can; however, do it as a constant address-space cast, followed by a `ptrtoint`, which would make lowering easier in the back end because a constant address space cast of a global should give a non-capability relocation.


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https://reviews.llvm.org/D135158