[PATCH] D151996: [AMDGPU] Start documenting calling conventions. NFC

[Jon Chesterfield via Phabricator via llvm-commits]

JonChesterfield added a comment.

In D151996#4396815 <https://reviews.llvm.org/D151996#4396815>, @nhaehnle wrote:

> There could probably be a general section here to state that in the graphics calling conventions, `inreg` is used to denote arguments mapped to SGPRs, while other arguments are mapped to VGPRs.

@arsenm does compute have this available? I've periodically wanted to be able to write a function which assumes a parameter is passed in SGPRs and hope for a compile time error calling it if that doesn't work out.


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