yaxunl added inline comments.
================
Comment at: include/clang/Basic/TargetInfo.h:1157
+ /// language address space.
+ virtual LangAS getCUDABuiltinAddressSpace(unsigned AS) const {
+ return getLangASFromTargetAS(AS);
----------------
I think this function is not needed.
Although CUDA/HIP uses address spaces in codegen, but it does not use named
address spaces in sema and AST. Named address space is not in the AST types of
CUDA/HIP, therefore there is no point of mapping target address space back to
language address space for CUDA/HIP.
CUDA/HIP should be just like other address-space-agnostic language and always
use getLangASFromTargetAS(AS).
https://reviews.llvm.org/D47154
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