[LLVMdev] Should we add noduplicate attribute on the function which contains a noduplicate function call?

[Yi-Hong Lyu]

Hello,

According to the previous conclusion, LLVM's noduplicate attribute is not
semantically equivalent to OpenCL barriers. I am wondering whether it would
be an potential issue for Clang to translate OpenCL to SPIR. If so, is it
valuable to develop a specific LLVM pass that 'marked the transitive
closure of callers of a noduplicate function as noduplicate' and push it
into the mainline?

Thanks.
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