[PATCH] D46147: [NVPTX] Added a feature to use short pointers for const/local/shared AS.

[Artem Belevich via Phabricator via llvm-commits]

tra added a comment.

In https://reviews.llvm.org/D46147#1081632, @arsenm wrote:

> NVPTX wasn't already doing this? As this is a module property, a subtarget feature can't be used for this. For example what happens for a global value?


No, NVPTX is always using 64-bit pointers for all address spaces and that's one of the common situations where it gives NVCC an edge.

It's not clear what concerns you about global values. Could you elaborate or give me an example?


https://reviews.llvm.org/D46147