[llvm] [NVPTX] Use .common linkage for common globals (PR #84416)

[Artem Belevich via llvm-commits]

Artem-B wrote:

Looks like with this patch we're generating .common even when we're compiling for older PTX version.

The common-linkage.ll test actually fails if you happen to run it with ptxas enabled.



https://github.com/llvm/llvm-project/pull/84416