[llvm] [SPIRV] Addition of @llvm.lround.* and @llvm.llround.* intrinsic (PR #129240)

[Michal Paszkowski via llvm-commits]

michalpaszkowski wrote:

@MrSidims, could you please also check this PR with the DPC++ E2E test suite in the intel/llvm repository? 

https://github.com/llvm/llvm-project/pull/129240