[llvm-dev] Adding a function type qualifier with particular keyword

[Garnet Liu via llvm-dev]

Dear llvm developers,

For the purpose of a research project, I want to add a function type modifier as an extension to LLVM that looks like 

keyword void function(params1, 2, 3) {…}

to serve the purpose of tracking all registers that the function has touched. Is there any documentation or previous examples relate to this feature?

Thank you very much
Garnet
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