[clang] [clang codegen] Add CreateRuntimeFunction overload that takes a clang type. (PR #113506)

[Jonas Paulsson via cfe-commits]

JonPsson1 wrote:

It would be great if this new method also called TargetLibraryInfo and set the extension attributes for any integer <=32 bits... Or are you maybe waiting with that as a separate patch?

https://github.com/llvm/llvm-project/pull/113506