[PATCH] D104264: Fix atomic loads and stores of 64-bit values in non-default address spaces on ARM

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D104264#2819660 <https://reviews.llvm.org/D104264#2819660>, @rengolin wrote:

> In D104264#2819465 <https://reviews.llvm.org/D104264#2819465>, @koutheir wrote:
>
>> If I understand well, you rather opt for choice `(2)`: Atomic loads and stores are legal only on the default address space.
>
> Not quite. Address spaces in LLVM are a somewhat opaque concept, and can mean anything. I'm just not sure they are exchangeable like you propose on all cases.

They are target defined. You're only doing this for this one target, so you can make them mean whatever you want them to mean


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  https://reviews.llvm.org/D104264/new/

https://reviews.llvm.org/D104264