[llvm] [AsmPrinter] Do not emit label instructions after the function body if the target is SPIR-V (PR #107013)

[Vyacheslav Levytskyy via llvm-commits]

VyacheslavLevytskyy wrote:

@arsenm May I ask you please, do you still have objections or further questions after the recent change to `getObjectFormat()`, or we may merge this?

https://github.com/llvm/llvm-project/pull/107013