[llvm] [capi] expose Function::getFunctionType to LLVM c api (PR #132102)

[Nikita Popov via llvm-commits]

https://github.com/nikic requested changes to this pull request.

You are looking for LLVMGlobalGetValueType. Feel free to add a comment to it referencing getFunctionType(), because you're not the first person.

https://github.com/llvm/llvm-project/pull/132102