[PATCH] D122699: [HLSL] Add Semantic syntax, and SV_GroupIndex
Aaron Ballman via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Apr 5 13:04:44 PDT 2022
aaron.ballman added inline comments.
Comment at: clang/include/clang/Basic/AttributeCommonInfo.h:47-48
// Note TableGen depends on the order above. Do not add or change the order
// without adding related code to TableGen/ClangAttrEmitter.cpp.
/// Context-sensitive version of a keyword attribute.
> aaron.ballman wrote:
> > Should this comment now move down a bit?
> I'm struggling a bit with what that comment is referring to, and I feel like I'm missing something obvious. If you change the order of any of the cases `AS_ContextSensitiveKeyword` or earlier in the list, things start breaking. Specifically putting `AS_HLSLSemantic` above `AS_ContextSensitiveKeyword` breaks parsing context sensitive keywords...
> I'm clearly missing something...
> That said, I can add a new case after `AS_ContextSensitiveKeyword` before `AS_HLSLSemantic` and it all still works fine.
> With my current understanding, I'm not sure moving the comment makes sense, but I could expand the comment. Thoughts?
This is where that comment ultimately came from: https://github.com/llvm/llvm-project/commit/be89f4c5655d01dd44d6c82a4d5e44820a81f404
Based on that, I don't think we need to move the comment after all.
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