[SPIR-V] Fix llvm deprecated warnings#255

michalpaszkowski wants to merge 2 commits intofeature/spirv-backend-llvm15_0_7_3KhronosGroup/LLVM-SPIRV-Backend:feature/spirv-backend-llvm15_0_7_3from

fix_llvm_deprecated_warningsKhronosGroup/LLVM-SPIRV-Backend:fix_llvm_deprecated_warningsCopy head branch name to clipboard