[PATCH] D154507: [NVPTX] Apply global var demotion to private symbols

[Mehdi AMINI via Phabricator via llvm-commits]

mehdi_amini added a comment.

In D154507#4486860 <https://reviews.llvm.org/D154507#4486860>, @tra wrote:

> This may be potentially problematic for CUDA as we may need to refer to the global variable from the host side. E.g. via `cudaMemcpyFromSymbol/cudaMemcpyToSymbol`.

If something is to be referenced from outside a LLVM module, shouldn't we just avoid making it internal in the first place? Neither internal nor private are supposed to be visible outside the current module I believe.


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https://reviews.llvm.org/D154507