arsenm added inline comments.

================
Comment at: clang/include/clang/Basic/AttrDocs.td:2244-2247
+and is an optimization hint. It is mandatory to use this attribute in some 
+situations. Because when the attribute is absent, the compiler assumes the 
+default maximum workgroup size of 256 but nowadays the workgroup size can 
legally go 
+to 1024. 
----------------
aaron.ballman wrote:
> 
You're updating this with outdated information. In general functions should be 
conservatively correct by default with no attribute specified. This was broken 
at one point in the past. The default assumed workgroup size is now 1024, but 
for opencl clang will always default to a max of 256


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102134/new/

https://reviews.llvm.org/D102134

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