Anastasia added inline comments.

================
Comment at: clang/lib/Basic/Targets/SPIR.h:59
+    // translation). This mapping is enabled when the language mode is HIP.
+    1, // cuda_device
+    // cuda_constant pointer can be casted to default/"flat" pointer, but in
----------------
I am slightly confused as in the LLVM project those address spaces are for SPIR 
not SPIR-V though. It is however used outside of LLVM project by some tools 
like SPIRV-LLVM Translator as a path to SPIR-V, but it has only been done as a 
workaround since we had no SPIR-V support in the LLVM project yet. And if we 
are adding it let's do it clean to avoid/resolve any confusion.

I think we need to keep both because some vendors do target/use SPIR but not 
SPIR-V.

So if you are interested in SPIR-V and not SPIR you should probably add a new 
target that will make things cleaner.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108621/new/

https://reviews.llvm.org/D108621

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