kpyzhov added a comment.

In D115283#3180836 <https://reviews.llvm.org/D115283#3180836>, @yaxunl wrote:

> If we only need to check whether `__ockl_hostcall_internal` exists in the 
> final module in LLVM codegen to determine whether we need the hostcall 
> metadata, probably we don't even need a function attribute or even module 
> flag.

Right, we used to do exactly that, but then it turned out that it does not work 
with -fgpu-rdc since IPO may rename the __ockl_hostcall_internal().


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115283/new/

https://reviews.llvm.org/D115283

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